Document Detail

Ascending aortic origin of a branch pulmonary artery--surgical management and long-term outcome.
MedLine Citation:
PMID:  15450569     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Ascending aortic origin of a branch pulmonary artery (AOPA, hemitruncus arteriosus) is a rare congenital malformation. While there have been isolated case reports, larger series, relating to long-term outcomes following surgery are few. This article analyses the surgical results of a series of nine patients, over a period of 29 years. METHODS: Between 1974 and 2003, nine patients [neonates, 6; infants, 3; male, 5; female, 4] were operated on for AOPA. Median age at presentation was 14 days (range birth to 231 days). Six [corrected] patients (group 1) had associated simple lesions like patent ductus arteriosus or right aortic arch. Three patients (group 2) had complex lesions with right ventricular outflow tract obstruction. One patient (group 2) had DiGeorge syndrome. All patients except group 2 presented with congestive cardiac failure and, in addition one had pre-operative coronary ischemia. Diagnosis was established by angiocardiography in two patients and by echocardiography in seven [corrected] The median age at operation was 28 days (range 7-365). Follow-up period ranged from 7 months to 20.5 years (median 9 years). RESULTS: All nine patients had an anomalous right pulmonary artery (RPA) arising from the proximal ascending aorta, while the left branch was of right ventricular origin. All had evidence of pulmonary hypertension or elevated right ventricular pressure pre-operatively. There was no operative mortality. Of eight patients who had direct anastomosis of the RPA to the main pulmonary artery, one required patch enlargement and another required stenting of an anastomotic stenosis. One patient had a RV-RPA conduit, which required replacement 8, 13, and 14 years later. At follow-up, all patients were alive. All patients in group 1 had normal haemodynamic function and were in NYHA class I. In group 2, all were in NYHA class II with evidence of right ventricular hypertrophy. Four patients had post-operative ventilation-perfusion scans which showed satisfactory perfusion to both lungs. CONCLUSIONS: Early surgery is indicated in this lesion and is compatible with good long-term outlook. Surgical repair should not be deferred for corrective procedures of associated cardiac anomalies.
Edward W K Peng; Ganesh Shanmugam; Kenneth J D Macarthur; James C S Pollock
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery     Volume:  26     ISSN:  1010-7940     ISO Abbreviation:  Eur J Cardiothorac Surg     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-09-28     Completed Date:  2004-12-16     Revised Date:  2007-11-28    
Medline Journal Info:
Nlm Unique ID:  8804069     Medline TA:  Eur J Cardiothorac Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  762-6     Citation Subset:  IM    
Department of Cardiac Surgery, Royal Hospital for Sick Children, Dalnair Street, Glasgow G3 8SJ, Scotland, UK.
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MeSH Terms
Analysis of Variance
Anastomosis, Surgical / methods
Aorta / abnormalities*,  surgery*
Graft Occlusion, Vascular / surgery
Infant, Newborn
Intensive Care
Length of Stay
Postoperative Complications
Pulmonary Artery / abnormalities*,  surgery*
Treatment Outcome
Erratum In:
Eur J Cardiothorac Surg. 2007 Nov;32(5):826

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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