| A coronary active perfusion system for off-pump coronary artery bypass: advantage over passive perfusion regarding the physiology of the coronary artery. | |
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MedLine Citation:
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PMID: 12455779 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To avoid myocardial ischemia during off-pump coronary artery bypass, we developed a coronary active perfusion system (CAPS) that perfuses arterial blood to the coronary artery at the diastolic phase of the cardiac cycle by a syringe pump system. We report herein the details and compare CAPS with a passive shunt circuit from the femoral artery (FA shunt), regarding the physiology of the coronary artery. Six pigs were used for this study. After CAPS or FA shunt perfusion was established, coronary flow and coronary pressure were measured. The coronary flows in the native coronary artery, FA shunt perfusion, and CAPS perfusion with syringe pump stroke volume settings ranging from 0.1 to 0.4 ml were 27.2+/-3.0, 4.1+/-1.5, 12.7+/-1.2, 24.8+/-1.9, 33.3+/-1.6, and 42.2+/-1.9 ml/min, respectively. Mean coronary pressures under FA shunt perfusion and CAPS perfusion with stroke settings from 0.1 to 0.4 ml were 23.7+/-4.6, 48.8+/-5.0, 61.3+/-7.5, 70.8+/-5.4, and 82.3+/-5.2 mm Hg, respectively. CAPS had an advantage over the FA shunt regarding coronary flow with safe coronary pressure. Using CAPS, an off-pump coronary artery bypass can be performed safely without myocardial ischemia. |
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Authors:
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Hiroyuki Kamiya; Go Watanabe; Toshio Doi; Taro Saito; Masao Takahashi; Shigeyuki Tomita; Toshihide Tukioka; Taro Kanamori |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: ASAIO journal (American Society for Artificial Internal Organs : 1992) Volume: 48 ISSN: 1058-2916 ISO Abbreviation: ASAIO J. Publication Date: 2002 Nov-Dec |
Date Detail:
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Created Date: 2002-11-28 Completed Date: 2003-04-30 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9204109 Medline TA: ASAIO J Country: United States |
Other Details:
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Languages: eng Pagination: 658-64 Citation Subset: IM |
Affiliation:
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Department of General and Cardiothoracic Surgery, Kanazawa University Graduate School of Medicine, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Anastomosis, Surgical
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methods Animals Blood Pressure Coronary Artery Bypass / instrumentation*, methods* Coronary Circulation / physiology* Diastole Femoral Artery Infusion Pumps Myocardial Ischemia / prevention & control* Perfusion Pulsatile Flow / physiology Swine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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