| Sequential bypass grafting on the beating heart: blood flow characteristics. | |
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MedLine Citation:
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PMID: 16863774 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: The sequential bypass technique is a routine method of myocardial revascularization. The aim of this study was to determine flow characteristics of individual and sequential bypass grafts created on the beating heart. METHODS: Between January 2003 and February 2004, a consecutive series of 50 patients underwent off-pump coronary bypass surgery with at least one venous sequential coronary graft. During the procedure, flow values and pulsatility indexes were measured in both segments of the sequential graft using a CardioMed transit time flow meter (CM 4008; Medi-Stim, Oslo, Norway). The flow values were simultaneously compared with those of individual venous grafts sutured to the same coronary arteries. RESULTS: The mean flow through the distal anastomosis (individual bypass; D1) was 37.4 mL/min, and this was not significantly influenced by the creation of a proximal sequential anastomosis (D2, 39.0 mL/min). In 32% of the patients, the sequential bypass was unwittingly connected proximally to a larger coronary bed; despite this, the flow in its distal segment was not less than that in the individual bypass. CONCLUSIONS: The blood flow through an individual bypass is comparable with that through the distal segment (end-to-side anastomosis) of a sequential bypass. The grafting of a sequential bypass proximally to the larger artery (coronary bed) in sequence does not appear to have a significant effect on the blood flow in the distal segment of a sequential bypass. |
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Authors:
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Marek Gwozdziewicz; Petr Nemec; Martin Simek; Roman Hajek; Martin Troubil |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Annals of thoracic surgery Volume: 82 ISSN: 1552-6259 ISO Abbreviation: Ann. Thorac. Surg. Publication Date: 2006 Aug |
Date Detail:
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Created Date: 2006-07-25 Completed Date: 2006-08-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 15030100R Medline TA: Ann Thorac Surg Country: Netherlands |
Other Details:
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Languages: eng Pagination: 620-3 Citation Subset: AIM; IM |
Affiliation:
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Department of Cardiac Surgery, University Hospital, Olomouc, Czech Republic. gwozdziewicz@email.cz |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Blood Flow Velocity Coronary Artery Bypass, Off-Pump* / methods Coronary Circulation* Female Humans Male Middle Aged |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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