| Effect of anastomosis and geometry of vessel curvature on blood flow velocity and patency in microvessels. | |
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MedLine Citation:
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PMID: 9393866 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The effect of the geometry of the vessel and the number of anastomoses on the blood flow was studied. Four different shapes of the vessel were constructed by using a 6-cm-long double vein graft model with three anastomoses: (1) an alpha loop, (2) an omega loop, (3) a sigmoid curve, and (4) straight. Blood flow was measured by an ultrasound Doppler flowmeter. The result showed no alternation in blood flow across different geometry and through three patent microanastomoses. However, six out of seven vein grafts were thrombosed at 24 hr postoperative due to vascular kinks. This model demonstrates potential sites of kinking at the dissection end of the femoral artery, the microanastomoses, the side branches of the vein graft, and the adventitial adhesions. This model is recommended to microvascular trainees for the study of kinking and the management of redundant pedicles and vein grafting. |
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Authors:
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W Y Cheung; F Zhang; U Bosch; H J Buncke; W C Lineaweaver |
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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: Microsurgery Volume: 17 ISSN: 0738-1085 ISO Abbreviation: Microsurgery Publication Date: 1996 |
Date Detail:
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Created Date: 1997-12-23 Completed Date: 1997-12-23 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8309230 Medline TA: Microsurgery Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 491-4 Citation Subset: IM |
Affiliation:
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Division of Plastic and Reconstructive Surgery, Stanford University Medical Center, CA 94305, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Anastomosis, Surgical
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methods* Animals Blood Flow Velocity Femoral Vein / transplantation* Graft Occlusion, Vascular / ultrasonography Microsurgery / methods Rats Time Factors Vascular Patency |
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