Document Detail

Anatomical studies to support the expanded use of the internal mammary artery graft for myocardial revascularization.
MedLine Citation:
PMID:  2886109     Owner:  NLM     Status:  MEDLINE    
The internal mammary artery pedicle graft is frequently used for coronary bypass. Five internal mammary artery pedicle grafts, harvested but not utilized for coronary bypass, underwent histological examination. The histological studies demonstrated that the vasa vasorum were confined to the adventitia and did not penetrate the media of the internal mammary artery. These observations indicate that the media is nourished entirely from the lumen and suggest that harvesting the internal mammary artery as a free graft would not subject the wall of the artery to ischemic injury. Subsequent to these studies, we used the right internal mammary artery as a free graft to revascularize the distal circumflex coronary artery in 12 patients. The free graft was anastomosed to marginal branches of the circumflex and was then brought up to the left internal mammary artery pedicle graft and anastomosed end-to-side. This procedure has not resulted in excessive postoperative bleeding or sternal infections, and has relieved the anginal syndrome in all 12 patients.
R W Landymore; D M Chapman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  44     ISSN:  0003-4975     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  1987 Jul 
Date Detail:
Created Date:  1987-08-03     Completed Date:  1987-08-03     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  4-6     Citation Subset:  AIM; IM    
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MeSH Terms
Angina Pectoris / surgery
Evaluation Studies as Topic
Follow-Up Studies
Mammary Arteries / anatomy & histology,  transplantation*
Middle Aged
Myocardial Revascularization / methods*
Thoracic Arteries / transplantation*
Vasa Vasorum / anatomy & histology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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