| The effects of different techniques of internal mammary artery harvesting on sternal blood flow. | |
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MedLine Citation:
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PMID: 1434710 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We investigated chest wall blood flow in a canine model to determine if the technique used to harvest the mammary artery has a differential effect on residual chest wall blood flow. Eight dogs underwent bilateral internal mammary artery mobilization; one artery was harvested as a pedicle and the other was harvested as a skeletonized vessel. Residual blood flow to the chest wall distribution of each artery was measured with radioactive microspheres. Chest wall blood flow was significantly decreased from preharvest levels after internal mammary artery mobilization regardless of the technique used. Tissue blood flows decreased to 46.9%, 22.1%, and 41.2% of baseline values for the manubrium (p < 0.01), sternum (p < 0.001), and ribs (p < 0.05), respectively. Residual sternal blood flow on the side of the skeletonized vessel was significantly greater than on the side of the pedicle graft (2.60 +/- 0.68 versus 1.27 +/- 0.27 cm3/min/100 gm, p < 0.001). We conclude that minimization of tissue mobilization during internal mammary artery harvesting may reduce sternal devascularization. This finding may have clinical significance with respect to lowering the incidence of sternal wound complications in coronary bypass surgery using the internal mammary artery as a bypass conduit. |
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Authors:
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M A Parish; T Asai; E A Grossi; R Esposito; A C Galloway; S B Colvin; F C Spencer |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Journal of thoracic and cardiovascular surgery Volume: 104 ISSN: 0022-5223 ISO Abbreviation: J. Thorac. Cardiovasc. Surg. Publication Date: 1992 Nov |
Date Detail:
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Created Date: 1992-12-11 Completed Date: 1992-12-11 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0376343 Medline TA: J Thorac Cardiovasc Surg Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1303-7 Citation Subset: AIM; IM |
Affiliation:
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Department of Surgery, New York University Medical Center, New York 10016. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Coronary Artery Bypass / methods* Dogs Internal Mammary-Coronary Artery Anastomosis / methods* Mammary Arteries / transplantation* Regional Blood Flow Sternum / blood supply* Surgical Wound Infection / prevention & control* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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