Document Detail

Variability in surgical referral patterns for pulmonary valve replacement in adults with repaired tetralogy of fallot.
MedLine Citation:
PMID:  19664025     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Individuals with repaired tetralogy of Fallot (TOF) comprise a substantial proportion of the current adult congenital heart disease population. Pulmonary regurgitation (PR) is one of the most prevalent postoperative sequelae, but timing of pulmonary valve replacement (PVR) in the asymptomatic TOF patient remains controversial.
OBJECTIVE: We sought to explore thresholds for PVR referral among adult congenital physicians.
METHODS: Physicians attending an international adult congenital cardiac disease conference were given a survey focusing on PVR referral patterns for the asymptomatic individual with repaired TOF. Survey questions related to an asymptomatic adult with repaired TOF, at least moderate PR, and varying degrees of right ventricular (RV) dilation and RV dysfunction.
RESULTS: A total of 128 surveys were completed. Nine percent did not feel that PVR was indicated in the asymptomatic patient. Of those practitioners who felt that PVR was indicated, many [(69%, [74/107]) relied on RV end-diastolic volumes (RVEDV) to guide decision making. Fewer relied on RVEDV for surgical referral as RV ejection fraction (EF) decreased. RVEDV thresholds for PVR referral varied depending on the RV function: with normal RVEF, 180 cc/m(2) was the most commonly used cutoff; if RV dysfunction was significant, 150 cc/m(2) was the threshold most often cited. Physicians who utilized RV volumes to guide decision making tended to work in a tertiary care setting (P= 0.008).
CONCLUSIONS: PVR referral patterns for an asymptomatic TOF patient with significant PR and important RV dilation are variable among adult congenital cardiologists. Uncertainty regarding thresholds for PVR referral underscores the need for further study of this important issue.
Rachel M Wald; Erik Lyseggen; Erwin N Oechslin; Gary D Webb; Candice K Silversides
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Congenital heart disease     Volume:  4     ISSN:  1747-0803     ISO Abbreviation:  Congenit Heart Dis     Publication Date:    2009 Jul-Aug
Date Detail:
Created Date:  2009-08-11     Completed Date:  2009-10-29     Revised Date:  2011-05-05    
Medline Journal Info:
Nlm Unique ID:  101256510     Medline TA:  Congenit Heart Dis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  231-8     Citation Subset:  IM    
Toronto General Hospital-Toronto Congenital Cardiac Centre for Adults, University of Toronto, Toronto, Ontario, Canada.
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MeSH Terms
Cardiology / statistics & numerical data*
Decision Making
Health Care Surveys / statistics & numerical data
Heart Valve Prosthesis Implantation / statistics & numerical data*
Professional Practice / statistics & numerical data
Pulmonary Valve Insufficiency / epidemiology*,  surgery*
Referral and Consultation / statistics & numerical data*
Stroke Volume
Tetralogy of Fallot / epidemiology*,  surgery*

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

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