The transstenotic pressure gradient trend as a predictor of acute complications after percutaneous transluminal coronary angioplasty.
作者： D C Redd , G S Roubin , P P Leimgruber , P Abi-Mansour , J S Douglas
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摘要: The transstenotic pressure gradient recorded during coronary angioplasty (PTCA) reflects the dynamic relationship that exists between blood flow and effective cross-sectional area of arterial lumen. An apparent behavior subsequent acute vessel closure was observed in our catheterization laboratory. We therefore examined usefulness trend predicting complications after 463 attempted PTCA procedures. Two patterns were identified: (1) a rising pattern identified by an increasing interval deflation angioplasty, (2) stable constant or decreasing gradient. incidence (17% vs 4%, p = .0001), emergency CABG (5.6% versus 1%, less than .05), myocardial infarction (13% 2%, .0001) procedure significantly higher among patients with when compared patterns. Multivariate analysis independent predictors for event as (p .001), post-PTCA percent diameter stenosis .02). Independent artery bypass grafting .001) (odds ratio 2.91, respectively. provides additional useful information about results dilatation.(ABSTRACT TRUNCATED AT 250 WORDS)
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