Document Detail

Reoperation for left ventricular outflow tract obstruction after repair of atrioventricular septal.
MedLine Citation:
PMID:  24725716     Owner:  NLM     Status:  In-Data-Review    
Left ventricular outflow tract obstruction (LVOTO) is an important source of morbidity and mortality after repair of atrioventricular septal defect (AVSD). The intrinsic anatomy of the left ventricular outflow tract in AVSD is complex and predisposes to the development of LVOTO. LVOTO after repair of AVSD usually involves multiple levels and sources of obstruction, and surgical intervention must address each component of the obstruction. This includes fibromuscular obstruction, septal hypertrophy, and valve related sources of obstruction. Special attention is also directed to the anterolateral muscle bundle of the left ventricle, a well defined but under recognized feature of the left ventricular outflow tract in AVSD. It is present in all patients with AVSD, and resection of a hypertrophic anterolateral muscle bundle of the left ventricle should be incorporated in all operations for LVOTO after repair of AVSD. LVOTO after repair of AVSD has several unique features that must be taken into consideration to maximize outcome after surgical intervention. These include anatomic factors, technical aspects of surgical intervention, and proper selection of the operation used for relief of LVOTO.
David M Overman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Seminars in thoracic and cardiovascular surgery. Pediatric cardiac surgery annual     Volume:  17     ISSN:  1092-9126     ISO Abbreviation:  Semin Thorac Cardiovasc Surg Pediatr Card Surg Annu     Publication Date:  2014  
Date Detail:
Created Date:  2014-04-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9815944     Medline TA:  Semin Thorac Cardiovasc Surg Pediatr Card Surg Annu     Country:  United States    
Other Details:
Languages:  eng     Pagination:  43-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2014 Elsevier Inc. All rights reserved.
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