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Pulmonary atresia with a ventricular septal defect and left pulmonary artery discontinuity: a case report

Authors
  • Cha, Hyun-Hwa1
  • Kim, Hae Min1
  • Seong, Won Joon1
  • 1 Kyungpook National University, 807 Hogukro, Buk-gu, Daegu, 41404, Republic of Korea , Daegu (South Korea)
Type
Published Article
Journal
Journal of Medical Case Reports
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Apr 01, 2021
Volume
15
Issue
1
Identifiers
DOI: 10.1186/s13256-021-02750-4
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundUnilateral pulmonary artery discontinuity is a rare malformation that is associated with other intracardiac abnormalities. Cases accompanied by other cardiac abnormalities are often missed on prenatal echocardiography. The prenatal diagnosis of isolated unilateral pulmonary artery discontinuity can also be delayed. However, undiagnosed this malformation would have an effect on further prognosis. We report our case of a prenatal diagnosis of pulmonary atresia with ventricular septal defect and left pulmonary artery discontinuity.Case presentationA 33-year-old Asian woman visited our institution at 24 weeks of gestation because of suspected fetal congenital heart disease. Fetal echocardiography revealed a small atretic main pulmonary artery giving rise to the right pulmonary artery without bifurcation and the left pulmonary artery arising from the ductus arteriosus originating from the left subclavian artery. The neonate was delivered by cesarean section at 376/7 weeks of gestation. Postnatal echocardiography and multidetector computed tomography showed a right aortic arch, with the small right pulmonary artery originating from the atretic main pulmonary artery and the left pulmonary artery originating from the left subclavian artery. Patency of the ductus arteriosus from the left subclavian artery was maintained with prostaglandin E1. Right ventricular outflow tract reconstruction and pulmonary angioplasty with Gore-Tex graft patch was performed 25th day after birth. Unfortunately, the neonate died because of right heart failure 8 days postoperation.ConclusionThere is a possibility that both pulmonary arteries do not arise from the same great artery (main pulmonary artery or common arterial trunk). Therefore, clinicians should check the origin of both pulmonary arteries.

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