Document Detail

Incomplete myocardial reperfusion despite a patent coronary bypass: a generally unrecognized shortcoming of the surgical approach to coronary artery disease.
MedLine Citation:
PMID:  6976587     Owner:  NLM     Status:  MEDLINE    
When assessing a coronary artery bypass graft, the patency rate is virtually the sole criterion of success. However, this fails to identify grafts which are patent by incompletely reperfuse the diseased vessel. Angiograms of 82 patients with 172 bypassed coronary arteries confirmed patency in 126 (73%); however, in 30 reperfusion was incomplete though the graft was patent, making the rate of complete reperfusion only 56% (96/172). Causes included localized narrowings in the region of the anastomosis [9], significant narrowing along the graft [6], pre-existing additional stenoses in the native vessel, remote from the anastomosis and the lesion [7], stenoses not present preoperatively but seen postoperatively in the native vessel, remote from the anastomosis and original lesion [6], and separate obstructions of unbypassed branches [2]. While incomplete reperfusion is often unavoidable and is certainly preferable to total occlusion, evaluation based purely on patency rates is misleading, since it overlooks the fact that a significant proportion of patent grafts will not totally reperfuse the diseased vessel.
D C Levin; C F Beckmann; T A Sos; K Sniderman
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Radiology     Volume:  142     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  1982 Feb 
Date Detail:
Created Date:  1982-03-22     Completed Date:  1982-03-22     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  317-21     Citation Subset:  AIM; IM    
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MeSH Terms
Blood Vessel Prosthesis
Coronary Angiography*
Coronary Artery Bypass*
Coronary Circulation*
Coronary Vessels / physiopathology
Middle Aged
Postoperative Care
Postoperative Complications / radiography*
Saphenous Vein / transplantation
Grant Support

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

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