Anomalous origin of the pulmonary artery from the aorta: Early diagnosis and repair leading to immediate physiological correction

Gabriel Amir*, Georgy Frenkel, Elhanan Bruckheimer, Tamir Dagan, Jacob Katz, Michael Berant, Bernardo Vidne, Einat Birk

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction Anomalous origin of one pulmonary artery from the ascending aorta is a rare cardiac anomaly in which the pulmonary artery abnormally arises from the ascending aorta. Physiologically, most patients develop signs of cardiac failure due to high flow to both lungs, with systemic or supra-systemic pressures in the normally connected lung. The purpose of this study is to present our experience with this rare anomaly, in which early anatomic repair lead to rapid physiologic correction.Materials and methods Retrospective case review of all patients with anomalous origin of one pulmonary artery from the ascending aorta at Schneider Chidrens Medical center of Israel between 1986 and 2007. All clinical operative and echocardiographic charts were analysed.Results Twelve patients were diagnosed as anomalous origin of one pulmonary artery from the ascending aorta. In 10 patients, the right pulmonary artery rose from the ascending aorta, while in two an anomalous origin of the left pulmonary artery was associated with a right aortic arch. Initial diagnoses was made with two-dimensional echocardiography in all patients. In six patients, diagnostic cardiac catheterisation was performed in order to confirm the diagnosis. Age at diagnosis ranged from 5 to 180 days with a median of 15 days, and patient weight ranged from 780 grams to 5 kilograms, with a median of 3 kilograms. Initial echocardiographic evaluation showed systemic (four patients) or supra-systemic (seven patients) pressures in the right ventricle and normally connected lung. All underwent surgical repair. There was no operatrive mortality. All reconstructed patients achieved normal right ventricular pressures within days after surgery. The flow pattern in both pulmonary arteries was normalised.Conclusions Early surgical repair of anomalous origin of one pulmonary artery from the ascending aorta is feasible and safe even in newborn and premature babies with complete resolution of the pulmonary hypertension and normalisation of pulmonary vascular resistance.

Original languageEnglish
Pages (from-to)654-659
Number of pages6
JournalCardiology in the Young
Volume20
Issue number6
DOIs
StatePublished - Dec 2010
Externally publishedYes

Keywords

  • Aorta
  • anomalous origin
  • paediatric
  • physiology
  • pulmonary artery
  • pulmonary hypertension

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