Abstract:
:Saphenous vein graft (SVG) disease after coronary artery bypass grafting (CABG) occurs in three phases: thrombosis, intimal hyperplasia, and atherosclerosis. Within the first month, thrombosis plays a major role. From month 1 to month 12, intimal hyperplasia occurs. Beyond 12 months, atherosclerosis becomes the primary cause for late graft failure. Endothelial damage has been shown to be the major underlying pathophysiology of SVG disease. Many factors contribute to endothelial damage from the moment the vein is harvested to when the vein is grafted into an arterial environment. To address this disease process, various therapeutic modalities, from surgical methods to medical treatment, have been evaluated. Surgically, the technical method of harvesting the vein has been shown to affect SVG patency. From a pharmacologic perspective, only two guideline class I recommended medications, aspirin and statins, have been shown to improve short- and long-term SVG patency after CABG. Despite these surgical and medical advances, SVG disease remains a significant problem with 1-year patency rates of 89% dropping to 61% after 10 years. This review discusses the pathogenesis of SVG disease, predictors of SVG failure, and current surgical and pharmacologic therapies to address SVG disease, including possible future treatment.
journal_name
Cardiol Revjournal_title
Cardiology in reviewauthors
Kim FY,Marhefka G,Ruggiero NJ,Adams S,Whellan DJdoi
10.1097/CRD.0b013e3182736190subject
Has Abstractpub_date
2013-03-01 00:00:00pages
101-9issue
2eissn
1061-5377issn
1538-4683journal_volume
21pub_type
杂志文章,评审abstract::Atherosclerosis develops and rapidly progresses in saphenous veins grafts after coronary bypass surgery. In contrast to native coronary artery, percutaneous revascularization does not impede the progression of saphenous vein atherosclerosis and saphenous vein graft failure commonly ensues. The protracted patency of ar...
journal_title:Cardiology in review
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journal_title:Cardiology in review
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