Document Detail


Risk factors, time course and treatment effect for restenosis after successful percutaneous transluminal coronary angioplasty of chronic total occlusion.
MedLine Citation:
PMID:  2522727     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Advances in technology and operator experience, and increased use of angiography early after myocardial infarction have led to greater use of percutaneous transluminal coronary angioplasty (PTCA) for chronic, total coronary artery occlusions. To better assess long-term outcome, 257 consecutive patients with successful PTCA of a total occlusion with late angiographic follow-up from 484 patients (53%) with PTCA success were reviewed. The mean +/- standard deviation patient age was 54 +/- 10 years, 79% were men, the duration of total occlusion was 11 +/- 15 weeks and the post-PTCA diameter stenosis was 24 +/- 12%. Eighty-two, 27 and 63% of patients received long-term aspirin, dipyridamole and warfarin therapy, respectively. Angiography at 8 +/- 8 months demonstrated restenosis (greater than or equal to 50% diameter stenosis) in 41% of patients restudied within 6 months and in 66% of patients restudied within 12 months by life table analysis. In multivariate regression analysis of 19 variables, 2 were independently correlated with the occurrence of restenosis: post-PTCA diameter stenosis greater than 30% (p = 0.02) and coronary artery dilated (left anterior descending and right coronary arteries greater than the left circumflex coronary artery) (p = 0.05). In log rank analysis that also considered the timing of angiographic detection of restenosis, dilatation of a proximal left anterior descending stenosis was also a significant predictor of restenosis (p = 0.01), and dilatation within 4 weeks of the presumed time of occlusion was only weakly predictive (p = 0.11).(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
S G Ellis; R E Shaw; G Gershony; R Thomas; G S Roubin; J S Douglas; E J Topol; S H Startzer; R K Myler; S B King
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of cardiology     Volume:  63     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  1989 Apr 
Date Detail:
Created Date:  1989-05-11     Completed Date:  1989-05-11     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  897-901     Citation Subset:  AIM; IM    
Affiliation:
Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109-0022.
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MeSH Terms
Descriptor/Qualifier:
Angioplasty, Balloon*
Coronary Angiography
Coronary Disease / pathology,  radiography,  therapy*
Coronary Vessels / pathology
Female
Follow-Up Studies
Humans
Male
Middle Aged
Recurrence
Risk Factors
Time Factors

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


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