Document Detail


Tetralogy of Fallot.
MedLine Citation:
PMID:  11527519     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The optimal surgical approach and timing for patients with tetralogy of Fallot remain controversial. There are two options in current practice: a two-stage repair (an initial palliative aortopulmonary shunt at an early age followed by complete repair at an older age) or primary complete repair. There has been a trend towards primary repair at a young age, which can be attributed to advances in anesthetic and cardiac surgical techniques. Primary repair has several advantages. The correction can be done in one operation and shunt complications are avoided. Progressive right ventricular fibrosis, ventricular hypertrophy, and chronic hypoxia are avoided, which may reduce the incidence of late ventricular arrhythmias. However, surgical correction at a young age is associated with an increased incidence of transannular patching and consequent pulmonary regurgitation. Progressive pulmonary regurgitation is associated with late ventricular arrhythmias and sudden death. These consequences may be prevented by timely pulmonary valve replacement. Palliative procedures include an aortopulmonary shunt, balloon dilation of the right ventricular tract, and stent placement. Of these measures, the aortopulmonary shunt is preferred, as it results in a more predictable outcome. Complications associated with shunt placement include shunt occlusion, pulmonary artery distortion, and occasionally, volume overloading of the left ventricle and pulmonary circulation. Institutional and surgeon preferences exist for either surgical strategy, and ultimately are justifiable when they produce the best outcomes for the individual patient. The optimal surgical strategy has to be determined by large prospective randomized studies that compare the functional status of the pulmonary valve and the need for reoperation at long-term follow-up.
Authors:
Samantha C. Gouw; Thuy-Nga Le; Narayanswami Sreeram
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Current treatment options in cardiovascular medicine     Volume:  3     ISSN:  1534-3189     ISO Abbreviation:  Curr Treat Options Cardiovasc Med     Publication Date:  2001 Oct 
Date Detail:
Created Date:  2001-Aug-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9815942     Medline TA:  Curr Treat Options Cardiovasc Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  361-369     Citation Subset:  -    
Affiliation:
Department of Cardiology, Wilhelmina Children's Hospital, Postbox 85090, 3508 AB Utrecht, The Netherlands. nsreeram@wkz.azu.nl
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