| The "no-touch" harvesting technique for vein grafts in coronary artery bypass surgery preserves an intact vasa vasorum. | |
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MedLine Citation:
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PMID: 20381817 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Our objective was to evaluate the impact of vein graft harvesting technique on structure and function of vasa vasorum. METHODS: Paired segments of great saphenous veins harvested either with conventional harvesting technique or no-touch technique were obtained from 9 consecutive patients undergoing coronary artery bypass grafting. Quantitative measurements, using immunohistochemistry and morphometry, were performed. Ultrastructural analyses of vasa vasorum were performed with electron microscopy. Video footage of superficial vasa vasorum in an implanted saphenous vein graft harvested with the no-touch technique was captured during a coronary bypass operation and is presented for online viewing. RESULTS: The total area of vasa vasorum in vein grafts harvested with the conventional technique was significantly reduced both in the media (P = .007) and in the adventitia (P = .014) compared with vein grafts harvested with the no-touch technique. Ultrastructural findings indicated that the no-touch technique preserved an intact vasa vasorum whereas the conventional technique did not. Video footage showed retrograde flow in the vasa vasorum in vein graft harvested with the no-touch technique. CONCLUSIONS: These findings show that the no-touch technique for saphenous vein graft harvesting for coronary bypass grafting preserves an intact vasa vasorum. This could represent one of the mechanisms underlying the improved patency of saphenous vein grafts harvested with this technique. |
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Authors:
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Mats Dreifaldt; Domingos S R Souza; Andrzej Loesch; John R Muddle; Mats G Karlsson; Derek Filbey; Lennart Bodin; Lars Norgren; Michael R Dashwood |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Video-Audio Media Date: 2010-04-09 |
Journal Detail:
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Title: The Journal of thoracic and cardiovascular surgery Volume: 141 ISSN: 1097-685X ISO Abbreviation: J. Thorac. Cardiovasc. Surg. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-20 Completed Date: 2011-01-13 Revised Date: 2011-08-31 |
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: 145-50 Citation Subset: AIM; IM |
Copyright Information:
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Copyright © 2011 The American Association for Thoracic Surgery. All rights reserved. |
Affiliation:
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Department of Thoracic and Cardiovascular Surgery, Örebro University Hospital, Örebro, Sweden. mats.dreifaldt@orebroll.se |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Connective Tissue / transplantation Coronary Artery Bypass* Humans Immunohistochemistry Male Microscopy, Electron, Scanning Microscopy, Electron, Transmission Middle Aged Saphenous Vein / transplantation*, ultrastructure Sweden Tissue and Organ Harvesting / methods* Treatment Outcome Tunica Media / transplantation Vascular Patency |
| Comments/Corrections | |
Comment In:
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J Thorac Cardiovasc Surg. 2011 Aug;142(2):474-5
[PMID:
21763879
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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