Document Detail

Fontan fenestration closure and event-free survival.
MedLine Citation:
PMID:  23062415     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The purpose of the present study was to evaluate the association of open and closed Fontan fenestration status with event-free survival.
METHODS: All patients who underwent a fenestrated Fontan procedure at our institution from January 1994 through June 2007 were reviewed. Patient information was obtained from the medical records. The patients were assigned to 1 of 2 study groups, open or closed, according to their most recent fenestration status. Clinically relevant morbid events were tabulated, and Kaplan-Meier event analysis was used to create event-free probability curves with log-rank comparisons.
RESULTS: A total of 161 patients were classified as open and 51 as closed. The median interval to an event was 1.1 years (interquartile range, 0.1-3.3 years) after the Fontan procedure. The median interval to closure was 1.2 years (interquartile range, 0.7-3.3 years). The median interval to an event was 1.5 years (interquartile range, 0.1-4.6 years) in the closed group and 1.1 years (interquartile range, 0.1-3.3 years) in the open group. Event-free probability analysis revealed no significant difference between the 2 groups (P = .15). The median follow-up arterial oxygen saturation was greater in the closed group (96.0%; interquartile range, 94.0%-97.0%) than in the open group (91.0%; interquartile range, 86.0%-95.0%; P < .0001).
CONCLUSIONS: Fenestration closure was associated with greater arterial oxygen saturation but not greater event-free survival. The interval to an event was slightly less than the interval to fenestration closure, suggesting potential merit in the evaluation of earlier fenestration closure. Adoption of specific fenestration management guidelines might help improve the overall outcomes and enhance the quality of future studies.
Bartlomiej R Imielski; Ronald K Woods; Kathleen A Mussatto; Yumei Cao; Pippa M Simpson; James S Tweddell
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-10-09
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  145     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-12-18     Completed Date:  2013-03-12     Revised Date:  2013-07-12    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  183-7     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2013 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.
Division of Cardiothoracic Surgery, Department of Surgery, Medical College of Wisconsin and Herma Heart Center, Children's Hospital of Wisconsin, Milwaukee, Wis 53226, USA.
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MeSH Terms
Chi-Square Distribution
Child, Preschool
Disease-Free Survival
Fontan Procedure* / adverse effects,  mortality
Heart Defects, Congenital / blood,  mortality,  surgery*
Kaplan-Meier Estimate
Oxygen / blood
Retrospective Studies
Risk Assessment
Risk Factors
Time Factors
Treatment Outcome
Grant Support
Reg. No./Substance:

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

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