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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Simulation has been used for training in professions that require precise cognitive and physical tasks in high-risk environments&#44; with potentially fatal complications&#46; Currently&#44; many non-medical professions require simulation as part of routine training or maintenance of competency and annual skills assessment&#46;<a class="elsevierStyleCrossRef" href="#bib0160"><span class="elsevierStyleSup">1</span></a> Multiple high-fidelity medical simulators have been developed&#44; over the past decade&#44; to address the 21st century challenges of rapid expanding new technologies&#44; restrictions in working hours and a demand by regulatory bodies for simulation to be implemented in the medical field&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">2</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Interventional cardiology &#40;IC&#41; is a fertile field in which simulation can blossom&#44; because of its highly complex procedures with a long learning curve and that involve life-threatening complications that are prone to a variety of medical errors&#46;<a class="elsevierStyleCrossRef" href="#bib0170"><span class="elsevierStyleSup">3</span></a> By using simulation in IC&#44; the traditional approach &#8220;see one&#44; do one&#44; teach one&#8221; can be replaced with &#8220;learn the operation before the operation room&#8221;&#46;<a class="elsevierStyleCrossRef" href="#bib0175"><span class="elsevierStyleSup">4</span></a> However&#44; an international survey of 172 cardiologists showed that only 48&#37; had already participated in simulation training&#44; even though 91&#37; considered it to be &#8220;necessary&#8221; in cardiology&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">5</span></a> The prevalence of medical errors has been evident since the publication of the Institute of Medicine&#39;s report &#8220;To Err Is Human&#8221;&#46;<a class="elsevierStyleCrossRef" href="#bib0170"><span class="elsevierStyleSup">3</span></a> Patient safety and prevention of medical errors define one of the rationales for simulation training&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Three-dimensional model simulation is a growing novel tool that can be used for educational purposes&#44; training or individualized medicine&#44; and even patient empowerment&#46; Its versatility enables several shortcomings of clinical simulation to be solved&#44; enabling the standardization of a simulation platform with educational cases that are cheaper and more practical than traditional or cadaveric training&#46;<a class="elsevierStyleCrossRef" href="#bib0185"><span class="elsevierStyleSup">6</span></a> Simulators based on 3D printing offer an alternative way of learning in an immersive reality with real materials where trainees can make mistakes&#44; repeat&#44; and learn percutaneous intervention skills in a controlled&#44; safe&#44; and realistic environment&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Many studies have shown improvement in operator skills using simulations over traditional mentor-based training in specific IC skill sets&#46;<a class="elsevierStyleCrossRefs" href="#bib0190"><span class="elsevierStyleSup">7&#8211;10</span></a> Simulator-based training in coronary angiography improved operator skills compared with traditional mentor-based training &#8211; including&#44; a shorter procedure time&#44; lower radiation dose used&#44; and a higher global procedure skill score&#46;<a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">7</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">The Education and Training European Association of Percutaneous Cardiovascular Interventions &#40;EAPCI&#41; published a recommendation for simulation sessions to be incorporated in training centers of IC<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">11</span></a> and the Accreditation Council for Graduate Medical education requires cardiovascular fellowship training programs to include some component of simulation as part of fellow training&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">2</span></a> Therefore&#44; in the future&#44; it is expected that simulations will be incorporated into training programs and certification examinations for an interventional cardiologist&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">To ensure that simulators provide a realistic comparison to real-life environment they must undergo scientific validation&#44; according to different levels of evidence&#44; following the Kirkpatrick model for evaluating the effectiveness of training&#46;<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">12</span></a></p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Objectives</span><p id="par0035" class="elsevierStylePara elsevierViewall">This study aims to evaluate a novel 3D-printed simulator &#40;SimulHeart&#174;&#41; for face and content validity in IC simulation&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Methods</span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Participants</span><p id="par0040" class="elsevierStylePara elsevierViewall">This study recruited participants from four interventional cardiology simulation courses that occurred between November 2021 and November 2022&#46; All individuals worked in cardiology&#44; including nurses and technicians&#44; medical residents&#44; IC fellows and interventional cardiologists&#46; Interventional cardiology fellows and specialists were defined as &#8220;Experts&#8221;&#59; &#8220;Novices&#8221; included cardiology residents and &#8220;nurses and allied professionals&#8221; &#40;NAP&#41; included nurses and cardiology and radiology technicians&#46; All of them performed a simulation protocol on the 3D-printed SimulHeart&#174; simulator&#46; Study design was reviewed and approved by the local research ethics board&#46; Participants were asked to provide written informed consent before enrollment&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Simulation protocol</span><p id="par0045" class="elsevierStylePara elsevierViewall">The simulation protocol started with a 30-minute theoretical introduction&#46; &#8220;Novices&#8221; were briefed on diagnostic coronary angiography and simple coronary intervention procedures&#44; and &#8220;experts&#8221; were exposed to percutaneous coronary interventions &#40;PCI&#41; in complex bifurcations&#44; calcified lesions&#44; left main&#44; post-transcatheter aortic valve implantation &#40;TAVI&#41; and intravascular imaging&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">The simulation required the participants to perform the following tasks&#58; selective catheterization of left and right coronary artery by radial or femoral access&#59; PCI of calcified lesions with rotational atherectomy and&#47;or lithoplasty&#59; PCI of bifurcation lesions and left main with provisional or two-stent techniques&#59; PCI in a post-TAVI context and to perform and interpret intravascular imaging &#40;with ultrasound or optical coherence tomography&#41;&#46; All participants received a demonstration of each task &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41; and then attempt to perform it for two hours&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0055" class="elsevierStylePara elsevierViewall">After each attempt&#44; participants were given oral feedback by the trainer&#46; In the end&#44; a 30-minute debriefing session was performed&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Simulator</span><p id="par0060" class="elsevierStylePara elsevierViewall">The 3D-printing process is a complex three-step procedure &#40;image acquisition&#44; segmentation&#44; and printing&#41;&#44; its detailed explanation is out of the scope of this article&#46; The simulator printing process has been previously detailed&#46;<a class="elsevierStyleCrossRefs" href="#bib0220"><span class="elsevierStyleSup">13&#8211;15</span></a></p><p id="par0065" class="elsevierStylePara elsevierViewall">Briefly&#44; for the development of the coronary model&#44; computed tomography coronary angiogram data of a real patient was rendered into a 3D volume depicting coronary arteries<a class="elsevierStyleCrossRef" href="#bib0235"><span class="elsevierStyleSup">16</span></a> and digitally manipulated to include coronary stenosis and connector parts to connect them to the simulator&#46; The coronary anatomy was then printed in 3D using a stereolithography printer to obtain the final patient-specific coronary artery model made of custom hybrid flexible material of polyethylene and siliconized rubber&#44; with a dual-layered design and filled with fluid&#46; Finally&#44; the coronary 3D-model was connected to our custom-made interventional cardiology simulator&#44; the SimulHeart&#174; &#40;3D CardioSolutions&#44; Coimbra&#44; Portugal&#41;&#46; The simulator &#40;as shown in <a class="elsevierStyleCrossRefs" href="#fig0005">Figures 1 and 2</a>&#41; includes an acrylic water tank&#44; which is filled with water and where the 3D-printed vascular anatomical structures are inserted&#46; The whole vascular structure is connected to a pumping system to simulate the arterial pressure of a patient&#44; generating an authentic environment during the intervention&#46; Its main features besides the 3D-printed vascular anatomy&#44; include radial and femoral access sites that enable the use of actual diagnostic and interventional devices with realistic haptics feedback&#46; The simulation was performed without ionizing radiation&#46; Participants viewed the simulated procedure through a monitor&#44; and usual projections were obtained by moving a real-time video camera&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Questionnaire</span><p id="par0070" class="elsevierStylePara elsevierViewall">A post-training questionnaire was applied to all participants &#40;<a class="elsevierStyleCrossRef" href="#sec0070">Appendix 1</a>&#41;&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">The questionnaire was developed by the research team&#44; based on a literature review&#44; and with the collaboration of a panel of specialists in IC from different Portuguese centers&#46; The &#8220;expert group&#8221; met on two occasions&#44; the first meeting to brainstorm possible questions on face and content of the model and satisfaction with the course&#44; and a follow-up meeting to decide the final items to be included on the questionnaire&#46; The questionnaire involved three main areas&#58; &#40;a&#41; Appearance of the simulation&#59; &#40;b&#41; Simulation content and &#40;c&#41; Satisfaction and self-efficacy&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">The simulator was assessed for face and content validity and learner satisfaction and self-efficacy&#44; in concordance with definitions published in the literature&#46;<a class="elsevierStyleCrossRefs" href="#bib0215"><span class="elsevierStyleSup">12&#44;17</span></a> Face validity is an assessment of realism&#44; in which a defined group of subjects are asked to judge the degree of resemblance between the system under study and the real environment&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">17</span></a> Content validity examines the level to which the system covers the subject matter of the real performance&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">17</span></a> The evaluation is carried out by reviewing each item to determine whether it is appropriate for the test and by assessing the overall cohesiveness of the items&#44; such as whether the test contains the steps and skills that are used in a procedure&#46; The reliability of an evaluation instrument relates to its ability to provide consistent results with minimal errors of measurement&#46; Internal consistency was the method used for estimating internal reliability of the questionnaire items&#46;<a class="elsevierStyleCrossRef" href="#bib0245"><span class="elsevierStyleSup">18</span></a></p><p id="par0085" class="elsevierStylePara elsevierViewall">Face and content validity were evaluated using &#8220;experts&#8221; &#40;level V&#41; and &#8220;novices&#8221; &#40;level III&#41; operator assessments of the simulator&#46; This expertise difference was based on criteria established by EAPCI core curriculum for percutaneous cardiovascular interventions&#44;<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">11</span></a> where level V is defined as &#8220;Performance as the first operator without supervision and ability to teach&#47;supervise more junior colleagues&#8221; and level III is &#8220;Performance as the first operator with reactive supervision&#44; i&#46;e&#46;&#44; on request and quickly available&#8221;&#46; Using five-point Likert scale participants rated 13 aspects of the appearance of the simulator&#44; eight domains of the content&#44; and seven domains of satisfaction and self-efficacy&#46; Higher scores indicated a more favorable assessment&#46; Thresholds were set <span class="elsevierStyleItalic">a priori</span> as mean scores of &#60;3&#46;0&#44; 3&#46;0&#8211;4&#46;0&#44; and &#62;4&#46;0 for &#8220;unacceptable&#8221;&#44; &#8220;moderately acceptable&#8221; and &#8220;good&#8221;&#44; respectively&#46;<a class="elsevierStyleCrossRefs" href="#bib0250"><span class="elsevierStyleSup">19&#44;20</span></a></p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Statistical analysis</span><p id="par0090" class="elsevierStylePara elsevierViewall">All data were collected and stored in a de-identified database&#46; Continuous data were described using mean<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>standard deviation or median &#40;interquartile range&#41;&#44; according to the normality of the distribution&#46; Categorical data were represented by frequency and proportion&#46; Statistics were calculated using the IBM Statistical Package for Social Sciences&#44; v28&#46;0 &#40;SPSS&#41;&#46; An alpha of 0&#46;05 was set for significance of all statistical tests&#46;</p></span></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Results</span><p id="par0095" class="elsevierStylePara elsevierViewall">Fifty-six participants completed the study&#58; 16 &#8220;experts&#8221;&#44; 26 &#8220;novices&#8221; and 14 NAP from sixteen hospitals across Portugal&#46; No participant had prior experience with the SimulHeart&#174; simulator&#46; Sociodemographic characteristics are explained in <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">The questionnaire showed good values of internal consistency&#44; with a global reliability of 0&#46;93&#44; measured by Cronbach&#39;s alpha&#46; The items of face&#44; content&#44; and satisfaction showed an internal consistency of 0&#46;85&#44; 0&#46;81&#44; and 0&#46;87&#44; respectively&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">The overall mean score of face validity was 4&#46;38 &#40;&#91;SD 0&#46;35&#93;&#41; &#40;with classifications varying from 2 to 5&#41;&#46; The individual frequencies of the items that evaluated face validity are described in <a class="elsevierStyleCrossRef" href="#fig0015">Figure 3</a>&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0110" class="elsevierStylePara elsevierViewall">The overall mean score of content validity was 4&#46;69 &#40;&#91;SD 0&#46;32&#93;&#41; &#40;only varying between 4 and 5 classifications&#41; &#8211; <a class="elsevierStyleCrossRef" href="#fig0020">Figure 4</a>&#46;</p><elsevierMultimedia ident="fig0020"></elsevierMultimedia><p id="par0115" class="elsevierStylePara elsevierViewall">In both face and content validity&#44; there was no statistically significant difference in the scores of &#8220;experts&#8221; and &#8220;novices&#8221;&#46;</p><p id="par0120" class="elsevierStylePara elsevierViewall">Optional written narrative qualitative assessment by participants showed several common themes&#46; Participants found the simulator to be &#8220;realist&#8221;&#44; have &#8220;good fidelity&#8221; and be an &#8220;enriching formative experience&#8221;&#46; Some participants&#44; however&#44; considered that the course should have &#8220;more hours of individual training&#8221;&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">In the questionnaire&#44; satisfaction and self-efficacy were also measured &#40;as shown in <a class="elsevierStyleCrossRef" href="#fig0025">Figure 5</a>&#41;&#44; 80&#46;4&#37; strongly agreed that the course was well executed and interactive&#44; 75&#46;0&#37; strongly considered the course improved their theoretical knowledge&#44; 60&#46;7&#37; also considered it strongly improved their technique&#46; 67&#46;9&#37; strongly agreed that after the simulation training&#44; they felt confident to explain the procedure to a patient&#46; 82&#46;1&#37; agreed or strongly agreed that after the simulation they felt confident to perform the procedure on a patient&#46; Most participants &#40;85&#46;7&#37;&#41; strongly agreed they would recommend the course to colleagues&#46;</p><elsevierMultimedia ident="fig0025"></elsevierMultimedia><p id="par0130" class="elsevierStylePara elsevierViewall">The mean score &#40;on a ten-point Likert scale&#44; with 1 being not relevant and 10 very relevant&#41; in general terms for the relevance of using this model in training was 9&#46;41 &#40;SD 0&#46;80&#44; Range &#91;7&#8211;10&#93;&#41;&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Discussion</span><p id="par0135" class="elsevierStylePara elsevierViewall">This study showed that the SimulHeart&#174; simulator for percutaneous interventions met the criteria for both face and content validity at a &#8220;good&#8221; level&#44; based on the predefined definitions of validity&#46; The simulator presents excellent realism and simulates all the procedure steps&#46; Also&#44; there was a high level of satisfaction and self-efficacy with the training in this model&#44; with increased confidence&#46;</p><p id="par0140" class="elsevierStylePara elsevierViewall">Simulation is breaking barriers in the modern era of medical and surgical education&#46; With ever increasing pressures on surgical performance&#44; the profession is eagerly looking for training systems that are novel&#44; reproducible&#44; and validated&#46; The reality is trainees are operating less than ever before<a class="elsevierStyleCrossRef" href="#bib0260"><span class="elsevierStyleSup">21</span></a> due to shortened training programs&#44; reduced working hours&#44;<a class="elsevierStyleCrossRef" href="#bib0265"><span class="elsevierStyleSup">22</span></a> and advancement of medical and minimally invasive techniques&#44; therefore the application of 3D simulation technology is evident&#46; This is particularly important in training for minimally invasive percutaneous procedures&#44; which are complex and leave little space for error&#46; In this area a valid 3D simulator may reduce the learning curve and improve patient safety&#46; This modality of simulation affords a unique opportunity for trainees to practice reality-based surgical skills without any risk to the patients&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">While there are studies on 3D simulators for patient-specific percutaneous interventions&#44;<a class="elsevierStyleCrossRefs" href="#bib0220"><span class="elsevierStyleSup">13&#44;23&#8211;30</span></a> there is minimal data in the literature on the validation of 3D model simulators for training in cardiology&#46; Common benchmarks on which simulators are judged include reliability&#44; face&#44; content&#44; construct&#44; and predictive validities&#46;<a class="elsevierStyleCrossRef" href="#bib0310"><span class="elsevierStyleSup">31</span></a> Even though there are some validated training devices and protocols for coronary angiography&#44; this area has few well-established or validated tools&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall">A 2019 study with Simbionix Angio-Mentor &#40;Simbionix USA&#44; Cleveland&#44; Ohio&#41; documented a significant improvement of skills in real-world practice &#40;coronary angiography in patients&#41; after simulator-based training&#46;<a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">7</span></a> According to Popovic et al&#46;&#44; the simulation group showed significant improvement in respect to contrast use&#44; procedural time&#44; fluoroscopic time&#44; and global performance score in coronary catheterization in patients in the cardiac catheterization lab after four hours of high-fidelity simulation training in comparison to a control group&#46; These findings documented an improved intra-operator performance in the clinical setting before and after simulation training demonstrating the impact of simulation on the transference of skills to real-life practice&#46; They concluded that &#8220;simulation can be used as an assessment tool by defining a mastery threshold ensuring all individuals have reached a predefined level of proficiency to enable safe patient care&#8221;&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">However&#44; there is room for improvement&#46; The criteria with the lowest scores were &#8220;resembles living human tissue&#8221;&#44; with a mean score of 4&#46;00&#44; and &#8220;simulates the fluoroscopic appearance &#40;X-ray&#41;&#8221;&#44; with a mean score of 4&#46;08&#46; These items would score higher if the simulation took place in an actual catheterization laboratory&#44; with radiation and sterile drapes&#46; That environment undoubtedly lacks practicality for widespread practical courses&#46;</p><p id="par0160" class="elsevierStylePara elsevierViewall">Despite the possible limitations&#44; most participants &#40;96&#46;40&#37;&#41; &#8220;agreed&#8221; or &#8220;strongly agreed&#8221; that the training in the simulator should be integrated into the cardiology residency curriculum&#46; Furthermore&#44; the improved subjective confidence of &#8220;novices&#8221; participants suggests a benefit from training in the simulator and supports its use as an educational tool&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">The categorization of participants as &#8220;experts&#8221; or &#8220;novices&#8221; was based on the definition of the EAPCI curriculum and was self-reported in the questionnaire by the participants&#46; One of the limitations of our study was overall participant numbers were low &#40;n&#61;56&#41;&#44; a more significant sample could have more statistical power to detect differences between groups and to evaluate construct validity&#46; Expanding the study to a larger number of participants would be reasonable based on our results&#46;</p><p id="par0170" class="elsevierStylePara elsevierViewall">For future investigation construct validity should be performed on the model&#46; Further research is required to correlate simulator performance to clinical performance in a real patient&#46;</p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Conclusion</span><p id="par0175" class="elsevierStylePara elsevierViewall">The SimulHeart&#174; simulator built by 3D CardioSolutions showed a good level of face and content validity&#46; There was a high level of satisfaction and efficacy&#44; as well as improved confidence&#46; Both &#8220;experts&#8221; and &#8220;novices&#8221; participants agreed that training in the simulator should be incorporated into the cardiology residency curriculum&#46;</p><p id="par0180" class="elsevierStylePara elsevierViewall">Based on our study&#44; we suggest training in this simulator should be used in interventional cardiology for medical residents&#44; fellows&#44; and allied professionals to gain experience and skill in a safe environment&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Conflicts of interest</span><p id="par0185" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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            0 => "Educa&#231;&#227;o"
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        "titulo" => "Abstract"
        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction and objectives</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Three-dimensional &#40;3D&#41; model simulation provides the opportunity to manipulate real devices and learn intervention skills in a realistic&#44; controlled&#44; and safe environment&#46; To ensure that simulators provide a realistic surrogate to real procedures they must undergo scientific validation&#46; We aimed to evaluate the 3D-printed simulator SimulHeart&#174; for face and content validity to demonstrate its value as a training tool in interventional cardiology &#40;IC&#41;&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Health professionals were recruited from sixteen Portuguese IC units&#46; All participants received a 30-minute theoretical introduction&#44; 10-minute demonstration of each task and then performed the intervention on a 3D-printed simulator &#40;SimulHeart&#174;&#41;&#46; Finally&#44; a post-training questionnaire focusing on the appearance of the simulation&#44; simulation content&#44; and satisfaction&#47;self-efficacy was administered&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">We included 56 participants&#58; 16 &#8220;experts&#8221; &#40;general and interventional cardiologists&#41;&#44; 26 &#8220;novices&#8221; &#40;cardiology residents&#41;&#44; and 14 nurses and allied professionals&#46; On a five-point Likert scale&#44; the overall mean score of face validity was 4&#46;38&#177;0&#46;35 and the overall mean score of content validity was 4&#46;69&#177;0&#46;32&#46; There was no statistically significant difference in the scores provided by &#8220;experts&#8221; and &#8220;novices&#8221;&#46; Participants reported a high level of satisfaction&#47;self-efficacy with 60&#46;7&#37; considering it strongly improved their skills&#46; The majority &#40;82&#46;1&#37;&#41; &#8220;agreed&#8221; or &#8220;strongly agreed&#8221; that after the simulation they felt confident to perform the procedure on a patient&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">The 3D-printed simulator &#40;SimulHeart&#174;&#41; showed excellent face and content validity&#46; 3D simulation may play an important role in future IC training programs&#46; Further research is required to correlate simulator performance with clinical performance in real patients&#46;</p></span>"
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        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introdu&#231;&#227;o e objetivos</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">A simula&#231;&#227;o de modelos tridimensionais &#40;3D&#41; proporciona a oportunidade de manipular dispositivos reais e aprender compet&#234;ncias de interven&#231;&#227;o num ambiente realista&#44; controlado e seguro&#46; Para garantir que os simuladores fornecem uma compara&#231;&#227;o realista&#44; estes devem ser submetidos a valida&#231;&#227;o cient&#237;fica&#46; O nosso objetivo foi avaliar o simulador 3D SimulHeart&#174; quanto &#224; validade de apar&#234;ncia e conte&#250;do&#44; para demonstrar o seu valor como ferramenta formativa em cardiologia de interven&#231;&#227;o &#40;CI&#41;&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">M&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Recrutamos profissionais de sa&#250;de de 16 unidades de CI portuguesas&#46; Todos os participantes receberam uma introdu&#231;&#227;o te&#243;rica de 30 minutos&#44; 10 minutos de demonstra&#231;&#227;o e de seguida tentaram realizar a interven&#231;&#227;o num simulador 3D Simulheart&#46; Por fim&#44; foi aplicado um question&#225;rio p&#243;s-forma&#231;&#227;o com foco na apar&#234;ncia da simula&#231;&#227;o&#44; conte&#250;do da simula&#231;&#227;o e satisfa&#231;&#227;o&#47;autoefic&#225;cia&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Inclu&#237;mos 56 participantes&#58; 16 &#171;especialistas&#187; &#40;cardiologistas gerais e de interven&#231;&#227;o&#41;&#44; 26 &#171;novatos&#187; &#40;internos de cardiologia&#41; e 14 enfermeiros e profissionais aliados&#46; A pontua&#231;&#227;o m&#233;dia geral da validade de apar&#234;ncia foi de 4&#44;38&#177;0&#44;35&#44; e a pontua&#231;&#227;o m&#233;dia geral da validade de conte&#250;do foi de 4&#44;69 &#177; 0&#44;32&#44; numa escala Likert de cinco pontos&#46; N&#227;o houve diferen&#231;as estatisticamente significativas nas pontua&#231;&#245;es de &#171;especialistas&#187; e &#171;novatos&#187;&#46; Os participantes relataram um alto n&#237;vel de satisfa&#231;&#227;o&#47;autoefic&#225;cia sendo que 60&#44;7&#37; consideraram que melhoraram fortemente as suas compet&#234;ncias&#46; A maioria &#40;82&#44;1&#37;&#41; &#171;concordou&#187; ou &#171;concordou totalmente&#62;&#187; que ap&#243;s a simula&#231;&#227;o se sentiram confiantes para realizar o procedimento num paciente&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclus&#227;o</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">O simulador 3D &#40;SimulHeart&#174;&#41; apresentou excelente validade de apar&#234;ncia e de conte&#250;do&#46; A simula&#231;&#227;o 3D pode desempenhar um papel importante nos programas formativos em cardiologia de interven&#231;&#227;o&#46; Mais estudos s&#227;o necess&#225;rios para correlacionar o desempenho no simulador com o desempenho cl&#237;nico em pacientes reais&#46;</p></span>"
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Original Article
Three-dimensional simulation for interventional cardiology procedures: Face and content validity
Simulação 3D para procedimentos de cardiologia de intervenção – validação da aparência e contéudo
Carolina Sequeiraa,
Autor para correspondência
carolinasequeira7@gmail.com

Corresponding author.
, Manuel Oliveira-Santosa,b,c, João Borges Rosab, João Silva Marquesc,d,e, Eduardo Oliveira Santosc, Gustavo Nortef, Lino Gonçalvesa,b
a Faculty of Medicine, University of Coimbra, Portugal
b Serviço de Cardiologia, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
c 3D CardioSolutions, Coimbra, Portugal
d Serviço de Cardiologia, CHULN Hospital de Santa Maria, Lisboa, Portugal
e Structural and Coronary Heart Disease Unit, Centro Cardiovascular da Universidade de Lisboa (CCUL@RISE), Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
f Centro Hospitalar de Trás-Os-Montes e Alto Douro, Vila Real, Portugal
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Simulation has been used for training in professions that require precise cognitive and physical tasks in high-risk environments&#44; with potentially fatal complications&#46; Currently&#44; many non-medical professions require simulation as part of routine training or maintenance of competency and annual skills assessment&#46;<a class="elsevierStyleCrossRef" href="#bib0160"><span class="elsevierStyleSup">1</span></a> Multiple high-fidelity medical simulators have been developed&#44; over the past decade&#44; to address the 21st century challenges of rapid expanding new technologies&#44; restrictions in working hours and a demand by regulatory bodies for simulation to be implemented in the medical field&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">2</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Interventional cardiology &#40;IC&#41; is a fertile field in which simulation can blossom&#44; because of its highly complex procedures with a long learning curve and that involve life-threatening complications that are prone to a variety of medical errors&#46;<a class="elsevierStyleCrossRef" href="#bib0170"><span class="elsevierStyleSup">3</span></a> By using simulation in IC&#44; the traditional approach &#8220;see one&#44; do one&#44; teach one&#8221; can be replaced with &#8220;learn the operation before the operation room&#8221;&#46;<a class="elsevierStyleCrossRef" href="#bib0175"><span class="elsevierStyleSup">4</span></a> However&#44; an international survey of 172 cardiologists showed that only 48&#37; had already participated in simulation training&#44; even though 91&#37; considered it to be &#8220;necessary&#8221; in cardiology&#46;<a class="elsevierStyleCrossRef" href="#bib0180"><span class="elsevierStyleSup">5</span></a> The prevalence of medical errors has been evident since the publication of the Institute of Medicine&#39;s report &#8220;To Err Is Human&#8221;&#46;<a class="elsevierStyleCrossRef" href="#bib0170"><span class="elsevierStyleSup">3</span></a> Patient safety and prevention of medical errors define one of the rationales for simulation training&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Three-dimensional model simulation is a growing novel tool that can be used for educational purposes&#44; training or individualized medicine&#44; and even patient empowerment&#46; Its versatility enables several shortcomings of clinical simulation to be solved&#44; enabling the standardization of a simulation platform with educational cases that are cheaper and more practical than traditional or cadaveric training&#46;<a class="elsevierStyleCrossRef" href="#bib0185"><span class="elsevierStyleSup">6</span></a> Simulators based on 3D printing offer an alternative way of learning in an immersive reality with real materials where trainees can make mistakes&#44; repeat&#44; and learn percutaneous intervention skills in a controlled&#44; safe&#44; and realistic environment&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Many studies have shown improvement in operator skills using simulations over traditional mentor-based training in specific IC skill sets&#46;<a class="elsevierStyleCrossRefs" href="#bib0190"><span class="elsevierStyleSup">7&#8211;10</span></a> Simulator-based training in coronary angiography improved operator skills compared with traditional mentor-based training &#8211; including&#44; a shorter procedure time&#44; lower radiation dose used&#44; and a higher global procedure skill score&#46;<a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">7</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">The Education and Training European Association of Percutaneous Cardiovascular Interventions &#40;EAPCI&#41; published a recommendation for simulation sessions to be incorporated in training centers of IC<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">11</span></a> and the Accreditation Council for Graduate Medical education requires cardiovascular fellowship training programs to include some component of simulation as part of fellow training&#46;<a class="elsevierStyleCrossRef" href="#bib0165"><span class="elsevierStyleSup">2</span></a> Therefore&#44; in the future&#44; it is expected that simulations will be incorporated into training programs and certification examinations for an interventional cardiologist&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">To ensure that simulators provide a realistic comparison to real-life environment they must undergo scientific validation&#44; according to different levels of evidence&#44; following the Kirkpatrick model for evaluating the effectiveness of training&#46;<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">12</span></a></p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Objectives</span><p id="par0035" class="elsevierStylePara elsevierViewall">This study aims to evaluate a novel 3D-printed simulator &#40;SimulHeart&#174;&#41; for face and content validity in IC simulation&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Methods</span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Participants</span><p id="par0040" class="elsevierStylePara elsevierViewall">This study recruited participants from four interventional cardiology simulation courses that occurred between November 2021 and November 2022&#46; All individuals worked in cardiology&#44; including nurses and technicians&#44; medical residents&#44; IC fellows and interventional cardiologists&#46; Interventional cardiology fellows and specialists were defined as &#8220;Experts&#8221;&#59; &#8220;Novices&#8221; included cardiology residents and &#8220;nurses and allied professionals&#8221; &#40;NAP&#41; included nurses and cardiology and radiology technicians&#46; All of them performed a simulation protocol on the 3D-printed SimulHeart&#174; simulator&#46; Study design was reviewed and approved by the local research ethics board&#46; Participants were asked to provide written informed consent before enrollment&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Simulation protocol</span><p id="par0045" class="elsevierStylePara elsevierViewall">The simulation protocol started with a 30-minute theoretical introduction&#46; &#8220;Novices&#8221; were briefed on diagnostic coronary angiography and simple coronary intervention procedures&#44; and &#8220;experts&#8221; were exposed to percutaneous coronary interventions &#40;PCI&#41; in complex bifurcations&#44; calcified lesions&#44; left main&#44; post-transcatheter aortic valve implantation &#40;TAVI&#41; and intravascular imaging&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">The simulation required the participants to perform the following tasks&#58; selective catheterization of left and right coronary artery by radial or femoral access&#59; PCI of calcified lesions with rotational atherectomy and&#47;or lithoplasty&#59; PCI of bifurcation lesions and left main with provisional or two-stent techniques&#59; PCI in a post-TAVI context and to perform and interpret intravascular imaging &#40;with ultrasound or optical coherence tomography&#41;&#46; All participants received a demonstration of each task &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41; and then attempt to perform it for two hours&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0055" class="elsevierStylePara elsevierViewall">After each attempt&#44; participants were given oral feedback by the trainer&#46; In the end&#44; a 30-minute debriefing session was performed&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Simulator</span><p id="par0060" class="elsevierStylePara elsevierViewall">The 3D-printing process is a complex three-step procedure &#40;image acquisition&#44; segmentation&#44; and printing&#41;&#44; its detailed explanation is out of the scope of this article&#46; The simulator printing process has been previously detailed&#46;<a class="elsevierStyleCrossRefs" href="#bib0220"><span class="elsevierStyleSup">13&#8211;15</span></a></p><p id="par0065" class="elsevierStylePara elsevierViewall">Briefly&#44; for the development of the coronary model&#44; computed tomography coronary angiogram data of a real patient was rendered into a 3D volume depicting coronary arteries<a class="elsevierStyleCrossRef" href="#bib0235"><span class="elsevierStyleSup">16</span></a> and digitally manipulated to include coronary stenosis and connector parts to connect them to the simulator&#46; The coronary anatomy was then printed in 3D using a stereolithography printer to obtain the final patient-specific coronary artery model made of custom hybrid flexible material of polyethylene and siliconized rubber&#44; with a dual-layered design and filled with fluid&#46; Finally&#44; the coronary 3D-model was connected to our custom-made interventional cardiology simulator&#44; the SimulHeart&#174; &#40;3D CardioSolutions&#44; Coimbra&#44; Portugal&#41;&#46; The simulator &#40;as shown in <a class="elsevierStyleCrossRefs" href="#fig0005">Figures 1 and 2</a>&#41; includes an acrylic water tank&#44; which is filled with water and where the 3D-printed vascular anatomical structures are inserted&#46; The whole vascular structure is connected to a pumping system to simulate the arterial pressure of a patient&#44; generating an authentic environment during the intervention&#46; Its main features besides the 3D-printed vascular anatomy&#44; include radial and femoral access sites that enable the use of actual diagnostic and interventional devices with realistic haptics feedback&#46; The simulation was performed without ionizing radiation&#46; Participants viewed the simulated procedure through a monitor&#44; and usual projections were obtained by moving a real-time video camera&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Questionnaire</span><p id="par0070" class="elsevierStylePara elsevierViewall">A post-training questionnaire was applied to all participants &#40;<a class="elsevierStyleCrossRef" href="#sec0070">Appendix 1</a>&#41;&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">The questionnaire was developed by the research team&#44; based on a literature review&#44; and with the collaboration of a panel of specialists in IC from different Portuguese centers&#46; The &#8220;expert group&#8221; met on two occasions&#44; the first meeting to brainstorm possible questions on face and content of the model and satisfaction with the course&#44; and a follow-up meeting to decide the final items to be included on the questionnaire&#46; The questionnaire involved three main areas&#58; &#40;a&#41; Appearance of the simulation&#59; &#40;b&#41; Simulation content and &#40;c&#41; Satisfaction and self-efficacy&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">The simulator was assessed for face and content validity and learner satisfaction and self-efficacy&#44; in concordance with definitions published in the literature&#46;<a class="elsevierStyleCrossRefs" href="#bib0215"><span class="elsevierStyleSup">12&#44;17</span></a> Face validity is an assessment of realism&#44; in which a defined group of subjects are asked to judge the degree of resemblance between the system under study and the real environment&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">17</span></a> Content validity examines the level to which the system covers the subject matter of the real performance&#46;<a class="elsevierStyleCrossRef" href="#bib0240"><span class="elsevierStyleSup">17</span></a> The evaluation is carried out by reviewing each item to determine whether it is appropriate for the test and by assessing the overall cohesiveness of the items&#44; such as whether the test contains the steps and skills that are used in a procedure&#46; The reliability of an evaluation instrument relates to its ability to provide consistent results with minimal errors of measurement&#46; Internal consistency was the method used for estimating internal reliability of the questionnaire items&#46;<a class="elsevierStyleCrossRef" href="#bib0245"><span class="elsevierStyleSup">18</span></a></p><p id="par0085" class="elsevierStylePara elsevierViewall">Face and content validity were evaluated using &#8220;experts&#8221; &#40;level V&#41; and &#8220;novices&#8221; &#40;level III&#41; operator assessments of the simulator&#46; This expertise difference was based on criteria established by EAPCI core curriculum for percutaneous cardiovascular interventions&#44;<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">11</span></a> where level V is defined as &#8220;Performance as the first operator without supervision and ability to teach&#47;supervise more junior colleagues&#8221; and level III is &#8220;Performance as the first operator with reactive supervision&#44; i&#46;e&#46;&#44; on request and quickly available&#8221;&#46; Using five-point Likert scale participants rated 13 aspects of the appearance of the simulator&#44; eight domains of the content&#44; and seven domains of satisfaction and self-efficacy&#46; Higher scores indicated a more favorable assessment&#46; Thresholds were set <span class="elsevierStyleItalic">a priori</span> as mean scores of &#60;3&#46;0&#44; 3&#46;0&#8211;4&#46;0&#44; and &#62;4&#46;0 for &#8220;unacceptable&#8221;&#44; &#8220;moderately acceptable&#8221; and &#8220;good&#8221;&#44; respectively&#46;<a class="elsevierStyleCrossRefs" href="#bib0250"><span class="elsevierStyleSup">19&#44;20</span></a></p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Statistical analysis</span><p id="par0090" class="elsevierStylePara elsevierViewall">All data were collected and stored in a de-identified database&#46; Continuous data were described using mean<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>standard deviation or median &#40;interquartile range&#41;&#44; according to the normality of the distribution&#46; Categorical data were represented by frequency and proportion&#46; Statistics were calculated using the IBM Statistical Package for Social Sciences&#44; v28&#46;0 &#40;SPSS&#41;&#46; An alpha of 0&#46;05 was set for significance of all statistical tests&#46;</p></span></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Results</span><p id="par0095" class="elsevierStylePara elsevierViewall">Fifty-six participants completed the study&#58; 16 &#8220;experts&#8221;&#44; 26 &#8220;novices&#8221; and 14 NAP from sixteen hospitals across Portugal&#46; No participant had prior experience with the SimulHeart&#174; simulator&#46; Sociodemographic characteristics are explained in <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">The questionnaire showed good values of internal consistency&#44; with a global reliability of 0&#46;93&#44; measured by Cronbach&#39;s alpha&#46; The items of face&#44; content&#44; and satisfaction showed an internal consistency of 0&#46;85&#44; 0&#46;81&#44; and 0&#46;87&#44; respectively&#46;</p><p id="par0105" class="elsevierStylePara elsevierViewall">The overall mean score of face validity was 4&#46;38 &#40;&#91;SD 0&#46;35&#93;&#41; &#40;with classifications varying from 2 to 5&#41;&#46; The individual frequencies of the items that evaluated face validity are described in <a class="elsevierStyleCrossRef" href="#fig0015">Figure 3</a>&#46;</p><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0110" class="elsevierStylePara elsevierViewall">The overall mean score of content validity was 4&#46;69 &#40;&#91;SD 0&#46;32&#93;&#41; &#40;only varying between 4 and 5 classifications&#41; &#8211; <a class="elsevierStyleCrossRef" href="#fig0020">Figure 4</a>&#46;</p><elsevierMultimedia ident="fig0020"></elsevierMultimedia><p id="par0115" class="elsevierStylePara elsevierViewall">In both face and content validity&#44; there was no statistically significant difference in the scores of &#8220;experts&#8221; and &#8220;novices&#8221;&#46;</p><p id="par0120" class="elsevierStylePara elsevierViewall">Optional written narrative qualitative assessment by participants showed several common themes&#46; Participants found the simulator to be &#8220;realist&#8221;&#44; have &#8220;good fidelity&#8221; and be an &#8220;enriching formative experience&#8221;&#46; Some participants&#44; however&#44; considered that the course should have &#8220;more hours of individual training&#8221;&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">In the questionnaire&#44; satisfaction and self-efficacy were also measured &#40;as shown in <a class="elsevierStyleCrossRef" href="#fig0025">Figure 5</a>&#41;&#44; 80&#46;4&#37; strongly agreed that the course was well executed and interactive&#44; 75&#46;0&#37; strongly considered the course improved their theoretical knowledge&#44; 60&#46;7&#37; also considered it strongly improved their technique&#46; 67&#46;9&#37; strongly agreed that after the simulation training&#44; they felt confident to explain the procedure to a patient&#46; 82&#46;1&#37; agreed or strongly agreed that after the simulation they felt confident to perform the procedure on a patient&#46; Most participants &#40;85&#46;7&#37;&#41; strongly agreed they would recommend the course to colleagues&#46;</p><elsevierMultimedia ident="fig0025"></elsevierMultimedia><p id="par0130" class="elsevierStylePara elsevierViewall">The mean score &#40;on a ten-point Likert scale&#44; with 1 being not relevant and 10 very relevant&#41; in general terms for the relevance of using this model in training was 9&#46;41 &#40;SD 0&#46;80&#44; Range &#91;7&#8211;10&#93;&#41;&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Discussion</span><p id="par0135" class="elsevierStylePara elsevierViewall">This study showed that the SimulHeart&#174; simulator for percutaneous interventions met the criteria for both face and content validity at a &#8220;good&#8221; level&#44; based on the predefined definitions of validity&#46; The simulator presents excellent realism and simulates all the procedure steps&#46; Also&#44; there was a high level of satisfaction and self-efficacy with the training in this model&#44; with increased confidence&#46;</p><p id="par0140" class="elsevierStylePara elsevierViewall">Simulation is breaking barriers in the modern era of medical and surgical education&#46; With ever increasing pressures on surgical performance&#44; the profession is eagerly looking for training systems that are novel&#44; reproducible&#44; and validated&#46; The reality is trainees are operating less than ever before<a class="elsevierStyleCrossRef" href="#bib0260"><span class="elsevierStyleSup">21</span></a> due to shortened training programs&#44; reduced working hours&#44;<a class="elsevierStyleCrossRef" href="#bib0265"><span class="elsevierStyleSup">22</span></a> and advancement of medical and minimally invasive techniques&#44; therefore the application of 3D simulation technology is evident&#46; This is particularly important in training for minimally invasive percutaneous procedures&#44; which are complex and leave little space for error&#46; In this area a valid 3D simulator may reduce the learning curve and improve patient safety&#46; This modality of simulation affords a unique opportunity for trainees to practice reality-based surgical skills without any risk to the patients&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">While there are studies on 3D simulators for patient-specific percutaneous interventions&#44;<a class="elsevierStyleCrossRefs" href="#bib0220"><span class="elsevierStyleSup">13&#44;23&#8211;30</span></a> there is minimal data in the literature on the validation of 3D model simulators for training in cardiology&#46; Common benchmarks on which simulators are judged include reliability&#44; face&#44; content&#44; construct&#44; and predictive validities&#46;<a class="elsevierStyleCrossRef" href="#bib0310"><span class="elsevierStyleSup">31</span></a> Even though there are some validated training devices and protocols for coronary angiography&#44; this area has few well-established or validated tools&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall">A 2019 study with Simbionix Angio-Mentor &#40;Simbionix USA&#44; Cleveland&#44; Ohio&#41; documented a significant improvement of skills in real-world practice &#40;coronary angiography in patients&#41; after simulator-based training&#46;<a class="elsevierStyleCrossRef" href="#bib0190"><span class="elsevierStyleSup">7</span></a> According to Popovic et al&#46;&#44; the simulation group showed significant improvement in respect to contrast use&#44; procedural time&#44; fluoroscopic time&#44; and global performance score in coronary catheterization in patients in the cardiac catheterization lab after four hours of high-fidelity simulation training in comparison to a control group&#46; These findings documented an improved intra-operator performance in the clinical setting before and after simulation training demonstrating the impact of simulation on the transference of skills to real-life practice&#46; They concluded that &#8220;simulation can be used as an assessment tool by defining a mastery threshold ensuring all individuals have reached a predefined level of proficiency to enable safe patient care&#8221;&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">However&#44; there is room for improvement&#46; The criteria with the lowest scores were &#8220;resembles living human tissue&#8221;&#44; with a mean score of 4&#46;00&#44; and &#8220;simulates the fluoroscopic appearance &#40;X-ray&#41;&#8221;&#44; with a mean score of 4&#46;08&#46; These items would score higher if the simulation took place in an actual catheterization laboratory&#44; with radiation and sterile drapes&#46; That environment undoubtedly lacks practicality for widespread practical courses&#46;</p><p id="par0160" class="elsevierStylePara elsevierViewall">Despite the possible limitations&#44; most participants &#40;96&#46;40&#37;&#41; &#8220;agreed&#8221; or &#8220;strongly agreed&#8221; that the training in the simulator should be integrated into the cardiology residency curriculum&#46; Furthermore&#44; the improved subjective confidence of &#8220;novices&#8221; participants suggests a benefit from training in the simulator and supports its use as an educational tool&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">The categorization of participants as &#8220;experts&#8221; or &#8220;novices&#8221; was based on the definition of the EAPCI curriculum and was self-reported in the questionnaire by the participants&#46; One of the limitations of our study was overall participant numbers were low &#40;n&#61;56&#41;&#44; a more significant sample could have more statistical power to detect differences between groups and to evaluate construct validity&#46; Expanding the study to a larger number of participants would be reasonable based on our results&#46;</p><p id="par0170" class="elsevierStylePara elsevierViewall">For future investigation construct validity should be performed on the model&#46; Further research is required to correlate simulator performance to clinical performance in a real patient&#46;</p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Conclusion</span><p id="par0175" class="elsevierStylePara elsevierViewall">The SimulHeart&#174; simulator built by 3D CardioSolutions showed a good level of face and content validity&#46; There was a high level of satisfaction and efficacy&#44; as well as improved confidence&#46; Both &#8220;experts&#8221; and &#8220;novices&#8221; participants agreed that training in the simulator should be incorporated into the cardiology residency curriculum&#46;</p><p id="par0180" class="elsevierStylePara elsevierViewall">Based on our study&#44; we suggest training in this simulator should be used in interventional cardiology for medical residents&#44; fellows&#44; and allied professionals to gain experience and skill in a safe environment&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Conflicts of interest</span><p id="par0185" class="elsevierStylePara elsevierViewall">The authors have no conflicts of interest to declare&#46;</p></span></span>"
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            0 => "Educa&#231;&#227;o"
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        "titulo" => "Abstract"
        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction and objectives</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Three-dimensional &#40;3D&#41; model simulation provides the opportunity to manipulate real devices and learn intervention skills in a realistic&#44; controlled&#44; and safe environment&#46; To ensure that simulators provide a realistic surrogate to real procedures they must undergo scientific validation&#46; We aimed to evaluate the 3D-printed simulator SimulHeart&#174; for face and content validity to demonstrate its value as a training tool in interventional cardiology &#40;IC&#41;&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Health professionals were recruited from sixteen Portuguese IC units&#46; All participants received a 30-minute theoretical introduction&#44; 10-minute demonstration of each task and then performed the intervention on a 3D-printed simulator &#40;SimulHeart&#174;&#41;&#46; Finally&#44; a post-training questionnaire focusing on the appearance of the simulation&#44; simulation content&#44; and satisfaction&#47;self-efficacy was administered&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">We included 56 participants&#58; 16 &#8220;experts&#8221; &#40;general and interventional cardiologists&#41;&#44; 26 &#8220;novices&#8221; &#40;cardiology residents&#41;&#44; and 14 nurses and allied professionals&#46; On a five-point Likert scale&#44; the overall mean score of face validity was 4&#46;38&#177;0&#46;35 and the overall mean score of content validity was 4&#46;69&#177;0&#46;32&#46; There was no statistically significant difference in the scores provided by &#8220;experts&#8221; and &#8220;novices&#8221;&#46; Participants reported a high level of satisfaction&#47;self-efficacy with 60&#46;7&#37; considering it strongly improved their skills&#46; The majority &#40;82&#46;1&#37;&#41; &#8220;agreed&#8221; or &#8220;strongly agreed&#8221; that after the simulation they felt confident to perform the procedure on a patient&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">The 3D-printed simulator &#40;SimulHeart&#174;&#41; showed excellent face and content validity&#46; 3D simulation may play an important role in future IC training programs&#46; Further research is required to correlate simulator performance with clinical performance in real patients&#46;</p></span>"
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        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introdu&#231;&#227;o e objetivos</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">A simula&#231;&#227;o de modelos tridimensionais &#40;3D&#41; proporciona a oportunidade de manipular dispositivos reais e aprender compet&#234;ncias de interven&#231;&#227;o num ambiente realista&#44; controlado e seguro&#46; Para garantir que os simuladores fornecem uma compara&#231;&#227;o realista&#44; estes devem ser submetidos a valida&#231;&#227;o cient&#237;fica&#46; O nosso objetivo foi avaliar o simulador 3D SimulHeart&#174; quanto &#224; validade de apar&#234;ncia e conte&#250;do&#44; para demonstrar o seu valor como ferramenta formativa em cardiologia de interven&#231;&#227;o &#40;CI&#41;&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">M&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Recrutamos profissionais de sa&#250;de de 16 unidades de CI portuguesas&#46; Todos os participantes receberam uma introdu&#231;&#227;o te&#243;rica de 30 minutos&#44; 10 minutos de demonstra&#231;&#227;o e de seguida tentaram realizar a interven&#231;&#227;o num simulador 3D Simulheart&#46; Por fim&#44; foi aplicado um question&#225;rio p&#243;s-forma&#231;&#227;o com foco na apar&#234;ncia da simula&#231;&#227;o&#44; conte&#250;do da simula&#231;&#227;o e satisfa&#231;&#227;o&#47;autoefic&#225;cia&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Inclu&#237;mos 56 participantes&#58; 16 &#171;especialistas&#187; &#40;cardiologistas gerais e de interven&#231;&#227;o&#41;&#44; 26 &#171;novatos&#187; &#40;internos de cardiologia&#41; e 14 enfermeiros e profissionais aliados&#46; A pontua&#231;&#227;o m&#233;dia geral da validade de apar&#234;ncia foi de 4&#44;38&#177;0&#44;35&#44; e a pontua&#231;&#227;o m&#233;dia geral da validade de conte&#250;do foi de 4&#44;69 &#177; 0&#44;32&#44; numa escala Likert de cinco pontos&#46; N&#227;o houve diferen&#231;as estatisticamente significativas nas pontua&#231;&#245;es de &#171;especialistas&#187; e &#171;novatos&#187;&#46; Os participantes relataram um alto n&#237;vel de satisfa&#231;&#227;o&#47;autoefic&#225;cia sendo que 60&#44;7&#37; consideraram que melhoraram fortemente as suas compet&#234;ncias&#46; A maioria &#40;82&#44;1&#37;&#41; &#171;concordou&#187; ou &#171;concordou totalmente&#62;&#187; que ap&#243;s a simula&#231;&#227;o se sentiram confiantes para realizar o procedimento num paciente&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclus&#227;o</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">O simulador 3D &#40;SimulHeart&#174;&#41; apresentou excelente validade de apar&#234;ncia e de conte&#250;do&#46; A simula&#231;&#227;o 3D pode desempenhar um papel importante nos programas formativos em cardiologia de interven&#231;&#227;o&#46; Mais estudos s&#227;o necess&#225;rios para correlacionar o desempenho no simulador com o desempenho cl&#237;nico em pacientes reais&#46;</p></span>"
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>PCI of calcified lesions with rotational atherectomy and&#47;or lithoplasty&#59;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>PCI of bifurcation lesions and left main with provisional or two-stent techniques&#59;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>PCI in a post-TAVI context and intravascular imaging interpretation &#40;with ultrasound or optical coherence tomography&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">&#40;n&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">56 &#40;100&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t</td><td class="td" title="\n
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                      "titulo" => "To err is human&#58; building a safer health system"
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Informação do artigo
ISSN: 08702551
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