| Influence of procedural success on immediate and long-term clinical outcome of patients undergoing percutaneous revascularization of occluded coronary artery bypass vein grafts. | |
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MedLine Citation:
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PMID: 8962559 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: This study sought to determine whether successful recanalization of an occluded vein graft is associated with improvement in long-term clinical outcome. BACKGROUND: Coronary angioplasty of occluded vein grafts is associated with a lower initial success rate and a higher complication rate than angioplasty of vein grafts with subtotal stenoses and native coronary arteries. Whether successful angioplasty improves clinical outcome is unknown. METHODS: We analyzed 77 consecutive patients who underwent angioplasty of an occluded saphenous vein coronary artery bypass graft between August 1983 and June 1994. Patients with a myocardial infarction in the previous 24 h were excluded from the study. RESULTS: The mean age of the study cohort was 65 years; the mean (+/- SD) age of the treated grafts was 7.5 +/- 3.9 years. As an adjunct to balloon angioplasty, stents were used in 9% of procedures, laser in 30%, and atherectomy in 16%, and thrombolytic therapy was administered in 23% of patients. The angioplasty success rate was 71%. Major complications within 30 days of the procedure included death in 5.2% of patients, Q wave myocardial infarction in 1.3% and repeat bypass surgery in 7.8%; these events occurred with similar frequency in patients in whom angiographic success was and was not achieved. Kaplan-meier analysis comparing patients in whom angioplasty was successful (n = 55) and not successful (n = 22) revealed no differences in survival or occurrence of myocardial infarction or recurrent severe angina between the two groups in the 3 years after the procedure. Univariate analysis identified the age of the graft and use of newer interventional devices as predictors of death or myocardial infarction during this time period; procedural success was not associated with freedom from these adverse events after adjusting for these variables. CONCLUSIONS: Angioplasty of occluded vein grafts is associated with a low initial success rate and a high complication rate. Successful angioplasty does not appear to reduce the occurrence of adverse events in the 3 years after the procedure. |
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Authors:
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P B Berger; M R Bell; D E Grill; R Simari; G Reeder; D R Holmes |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the American College of Cardiology Volume: 28 ISSN: 0735-1097 ISO Abbreviation: J. Am. Coll. Cardiol. Publication Date: 1996 Dec |
Date Detail:
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Created Date: 1997-01-16 Completed Date: 1997-01-16 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8301365 Medline TA: J Am Coll Cardiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1732-7 Citation Subset: AIM; IM |
Affiliation:
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Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA. berger.peter@mayo.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Angioplasty, Transluminal, Percutaneous Coronary* / adverse effects Combined Modality Therapy Coronary Angiography Coronary Artery Bypass* Coronary Disease / mortality, radiography, surgery, therapy* Female Follow-Up Studies Graft Occlusion, Vascular / therapy* Humans Male Middle Aged Myocardial Infarction / diagnosis Recurrence Reoperation Retrospective Studies Saphenous Vein / transplantation Survival Rate Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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