Document Detail


Chronic competitive flow from a patent arterial or venous graft to the circumflex system does not impair the long-term patency of internal thoracic artery to left anterior descending grafts in patients with isolated predivisional left main disease: Long-term angiographic results of 2 different revascularization strategies.
MedLine Citation:
PMID:  24613168     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To compare 2 different surgical approaches to treatment of patients with isolated predivisional stenosis of the left main coronary artery (IOSLM) and to evaluate the effect of chronic competitive flow from a patent arterial or venous graft to the circumflex system on the long-term patency of internal thoracic artery (ITA) to left anterior descending grafts.
METHODS: Thirty-two patients with IOSLM were treated at our institutions during a 9-year period: 14 patients received double ITA grafts, whereas 18 underwent ITA graft plus saphenous vein (SV) bypass. All patients were reviewed clinically and angiographically at long-term follow-up.
RESULTS: No patient died during hospitalization. At a mean follow-up of 96 ± 9 months 7 patients had died (6 from noncardiac causes) and 5 had experienced angina/ischemia recurrence, without differences between the 2 revascularization strategies. At control reangiography all ITA and SV grafts were found to be fully patent, without evidence of caliber reduction or string sign in the ITA.
CONCLUSIONS: In patients with IOSLM, long-term ITA to left anterior descending artery patency is not jeopardized by chronic flow competition from a concomitant arterial or venous graft to the circumflex system. Notably, the addition of a second ITA graft or of a SV to the first ITA does not lead to differences in long-term angiographic patency. Our results minimize the role of flow competition in this setting and should be kept in mind when choosing the appropriate graft configuration.
Authors:
Mario Gaudino; Massimo Massetti; Piero Farina; Claude Hanet; Pierre-Yves Etienne; Andrea Mazza; David Glineur
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-10
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  -     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-3-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.
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