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The Natural and Surgically Modified History of Anomalous Pulmonary Veins From the Left Lung.
MedLine Citation:
PMID:  24067334     Owner:  NLM     Status:  Publisher    
BACKGROUND: Reconstruction of anomalous left pulmonary veins (ALPV) requires an anastomosis at a nonanatomic position, posing the potential risk of pulmonary vein obstruction (PVO).
METHODS: The 514 patients who were diagnosed with a pulmonary vein abnormality from 1990 to 2010 were reviewed. Thirty-eight patients (7.4%; median age, 1.4 years; interquartile range, 0.1 to 5.7 years) were identified. ALPV was diagnosed as an isolated anomaly in 23 (61%) or as part of mixed total anomalous pulmonary venous drainage in 15 (39%). Patients were divided into 3 groups (group 1: partial ALPV, treated; group 2: total ALPV, treated; or group 3: partial ALPV, untreated). Freedom from poor clinical (death/reoperation) and functional (any PVO, mean pressure gradient > 3 mm Hg) outcomes were analyzed.
RESULTS: Repair in 30 ALPV patients (79%) was performed with direct anastomosis to the left atrium (n = 26 [68%]) or by sutureless repair (n = 4 [11%]). Two deaths occurred in group 2 (heart failure and PVO). The 4 reoperations in group 2 were prompted by PVO and occurred within 6 months of the initial repair. There was a nonsignificant trend of lower freedom from poor outcomes in group 2 (74.6%) vs group 1 (100%) at 10 years (p = 0.105). There was no difference in the incidence of any left PVO among the groups (p = 0.381). Severe left PVO did not develop in group 3 (n = 8 [21%]).
CONCLUSIONS: Total ALPV carries a high risk of early PVO. Thus, the optimal surgical approach remains elusive. Untreated partial ALPV remained unobstructed during midterm follow-up. Therefore, surgical treatment may not be necessary in patients with partial ALPV.
Yasuhiro Kotani; Devin Chetan; Jiaquan Zhu; Vijay Anand; Christopher A Caldarone; Glen S Van Arsdell; John G Coles; Osami Honjo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-9-23
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  -     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2013 Sep 
Date Detail:
Created Date:  2013-9-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
Division of Cardiovascular Surgery, The Labatt Family Heart Centre, The Hospital for Sick Children, Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.
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