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Vol. 35. Issue 5.
Pages 313-314 (May 2016)
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Vol. 35. Issue 5.
Pages 313-314 (May 2016)
Image in Cardiology
DOI: 10.1016/j.repc.2015.11.018
Open Access
Left heart failure, a challenging diagnosis in cardiology
Insuficiência cardíaca esquerda, um desafio diagnóstico em cardiologia
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Miryan Cassandraa,
Corresponding author
m.cassandra.soares@gmail.com

Corresponding author.
, Inês Almeidaa, Rogério Teixeiraa, Joana Trigob, Marco Costaa, Lino Gonçalvesa
a Serviço de Cardiologia do Centro Hospitalar e Universitário de Coimbra – Hospital Geral, Faculdade de Medicina da Universidade de Coimbra, Coimbra, Portugal
b Serviço de Cardiologia do Centro Hospitalar de Trás-os-Montes e Alto Douro, EPE – Hospital de S. Pedro, Vila Real, Portugal
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Patent ductus arteriosus (PDA) is one of the most common congenital heart defects, and causes left ventricular volume overload. However, it is a rare finding among adults due to the lack of symptoms related to its small size, and it is not usually associated with other congenital lesions.

A 53-year-old woman was referred for percutaneous closure of a PDA. She had undergone a secundum atrial septal defect (ASD) closure in 2007, detected after a cryptogenic stroke. After this procedure, her clinical history was remarkable for fatigue, dyspnea and orthopnea with New York Heart Association (NYHA) functional class III, and a continuous murmur was heard over the left sternal border. A routine transthoracic echocardiogram performed in 2013 revealed a continuous flow from the aorta towards the pulmonary artery, with left-sided chamber dilation (ejection fraction 50%) and normal pulmonary artery pressure. The device previously implanted at the atrial septum was correctly positioned and without residual shunt (Figure 1). The PDA was closed by placing an Amplatzer™ Duct Occluder guided by fluoroscopy and intracardiac echocardiography (Figure 2). The procedure was uneventful. The 12-month follow-up showed significant clinical improvement (NYHA functional class II), no residual shunt, and normal left chamber dimensions (Figure 3).

Figure 1.

Transthoracic echocardiogram (parasternal short-axis view): color Doppler displays a continuous turbulent flow from the aorta to the left branch of the pulmonary artery, consistent with a patent ductus arteriosus.

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Figure 2.

Fluoroscopy during percutaneous patent ductus arteriosus closure: left, a continuous flow can be seen from the aorta to the pulmonary artery (yellow arrow); center, during device placement (yellow arrow); right, after the procedure the device is properly positioned with no residual shunt (yellow arrow).

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Figure 3.

Transthoracic echocardiogram after patent ductus arteriosus closure (parasternal short-axis view): left, an image consistent with the closure device (yellow arrow); right, on color Doppler the turbulent flow is no longer seen.

(0.08MB).

In this case, the association with an ASD may have delayed the clinical manifestations of the PDA, as the previous left-to-right shunt probably compensated for the left ventricular volume overload. It is crucial to perform a complete high-quality echocardiogram in such patients with congenital heart disease, in order to screen for associated anomalies.

Ethical disclosuresProtection of human and animal subjects

The authors declare that no experiments were performed on humans or animals for this study.

Confidentiality of data

The authors declare that no patient data appear in this article.

Right to privacy and informed consent

The authors declare that no patient data appear in this article.

Conflicts of interest

The authors have no conflicts of interest to declare.

Copyright © 2016. Sociedade Portuguesa de Cardiologia
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