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Clinical Characteristics and Prognostic Factors of Primary Pulmonary Vein Stenosis or Atresia in Children.
MedLine Citation:
PMID:  23102496     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Primary pulmonary vein stenosis or atresia (PVS/A) is a rare entity with a high mortality rate. The aim of this study was to elucidate the clinical characteristics, progression, and prognostic factors of primary PVS/A in children. METHODS: We reviewed the medical records of patients who had primary PVS/A with normally connected pulmonary veins (PVs) at five pediatric cardiology centers in Korea between 1995 and 2010. RESULTS: A total of 34 cases were identified. The median age at diagnosis was 12.0 months. During the follow-up period (median, 18 months; range, 2 to 185 months), PVS/A progressed to previously uninvolved veins in 9 patients. Surgical interventions were performed on 29 patients (venoplasty on 25 and pneumonectomy on 4). Nineteen of the patients who underwent venoplasty had restenosis after a median of 2 months. The sutureless technique did not reduce the rate of restenosis, progression of the disease to previously uninvolved PVs, or mortality rate. The mortality rate was 46.7%, the median age of death was 10.8 months, and the median interval between diagnosis and death was 3.0 months. In univariate analysis, predictors of death included involvement of at least three PVs, bilateral PV involvement, infancy-onset PVS/A, restenosis after surgery, and progression to previously uninvolved PVs. In multivariate analysis, significant risk factors for death were involvement of at least three PVs (hazard ratio, 8.8; p < 0.0001) and progression to uninvolved PVs (hazard ratio, 4.2; p = 0.014). CONCLUSIONS: Primary PVS/A may carry a significant risk of recurrent and progressive PV obstruction or death even after surgical venoplasty.
Authors:
Mi Kyoung Song; Eun Jung Bae; Soo In Jeong; I Seok Kang; Nam Kyun Kim; Jae Young Choi; Soo Jin Kim; Young Hwue Kim; Woong Han Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-25
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  -     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-29     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 © 2012 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
Affiliation:
Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Republic of Korea.
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