Document Detail

Inducible Nitric Oxide Synthase and Vein Graft Performance in Patients Undergoing Coronary Artery Bypass Surgery: Physiological or Pathophysiological Role?
MedLine Citation:
PMID:  22724466     Owner:  NLM     Status:  Publisher    
Coronary artery disease is the major cause of mortalilty in the West with coronary artery bypass surgery (CABG) being a means of restoring blood supply to ischaemic myocardium. The long saphenous vein is the most commonly used bypass conduit but its patency is inferior to the internal thoracic artery, the �gold standard� graft. In conventional procedures the saphenous vein is harvested in such a manner that considerable vascular damage is inflicted. The structures mainly affected by this vascular trauma are the endothelium, autonomic nerves and vascular smooth muscle all containing cells with the potential to release nitric oxide (NO). While the majority of studies into the potential role of NO in vein graft performance have focused on the involvement of endothelial nitric oxide synthase (eNOS) less information is available regarding the role of the inducible isoform of nitric oxide synthase (iNOS). While the effects of eNOS-derived NO are principally beneficial, iNOS is generally associated with pathological conditions. While potential pathophysiological roles of iNOS are discussed in this review we also outline many studies suggesting that this isoenzyme plays an important role in maintaining vein graft patency in patients undergoing CABG, particularly when the saphenous vein is harvested with minimal surgical trauma.
Michael R Dashwood; Andrzej Loesch
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-22
Journal Detail:
Title:  Current vascular pharmacology     Volume:  -     ISSN:  1875-6212     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101157208     Medline TA:  Curr Vasc Pharmacol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Clinical Biochemistry, Royal Free and University College Medical School, Pond Street, London NW3 2QG, UK.
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