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A rare case of Gerbode defect and patent ductus arteriosus diagnosed in adulthood Un cas rare de défaut de Gerbode et de persistance du canal artériel diagnostiqué à l'âge adulte


O.E. Ojo
O.O. Oyelayo
P.A. Ukpabio
S.O. Oguntola

Abstract

Uncorrected congenital Gerbode defect coexisting with patent ductus arteriosus (PDA) is an uncommon cause of heart failure in adulthood. Gerbode defect is also a rare differential of tricuspid regurgitation. We highlight a case of uncorrected congenital Gerbode defect coexisting with a PDA. We report a 24-year-old lady who presented with worsening generalised body swelling, dyspnea and orthopnoea of a month duration. She had a history of childhood exercise intolerance. On examination she was underweight, tachycardic, had a displaced cardiac apex, a thrill and continuous murmur over the second intercostal space left parasternal area and a pan systolic murmur over the 4th left parasternal area. The transthoracic echocardiography showed dilated right atrium, dilated main pulmonary artery (MPA) and right pulmonary artery (RPA), shunt between right atrium and left ventricle (Gerbode defect) and a large patent ductus arteriosus (PDA). The cardiac MRI revealed a PDA and an atrioventricular connection between the right atrium and the left ventricle – suggestive of Gerbode defect, enlarged right atrium, and grossly dilated MPA. Rarely, heart failure in young adults can be due to unidentified congenital heart disease hence a need for a high index of suspicion.


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eISSN: 2467-8252
print ISSN: 2360-7793