| Use of coronary artery bypass surgical procedure and coronary angioplasty in treatment of coronary artery disease: changes during a 10-year period at Mayo Clinic Rochester. | |
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MedLine Citation:
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PMID: 8820766 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To compare changing clinical characteristics and early and late outcomes for patients treated with either coronary artery bypass grafting or coronary angioplasty at Mayo Clinic Rochester during a 10-year period. DESIGN: We retrospectively analyzed a series of patients with coronary artery disease who were clinically selected for myocardial revascularization from Jan. 1, 1982, through Dec. 31, 1991. MATERIAL AND METHODS: The study population consisted of 7,099 patients treated with coronary artery bypass grafting and 4,937 who underwent coronary angioplasty. To monitor changes in clinical and procedural outcomes over time, we divided the 10-year period into three equal intervals: period I = Jan. 1, 1982, through Apr. 30, 1985; period II = May 1, 1985, through Aug. 31, 1988; and period III = Sep. 1, 1988, through Dec. 31, 1991. Patients who underwent valve or arrhythmia operations along with coronary bypass were excluded from the study, as were those who were treated with angioplasty technologies other than balloon angioplasty. RESULTS: Throughout the study period, use of coronary angioplasty progressively increased (784 procedures in period I and 3,516 in period III). The number of coronary bypass operations increased from period I to period II but declined in period III. Over time, increasing numbers of elderly patients and women were referred for myocardial revascularization. Use of the internal mammary artery as a bypass conduit increased from 23% of cases in period I to 84% in period III. In surgical patients, perioperative myocardial infarction rates declined significantly from 5.7% to 2.0% from periods I to III. For coronary angioplasty, elderly patients, patients with diabetes, and patients with hypertension progressively increased. Multivessel coronary angioplasty increased from 10% of the cases in period I to 15% in period III. Operative mortality rates for both coronary bypass and angioplasty remained stable throughout the study despite the increasing number of high-risk patients. CONCLUSION: This 10-year experience with coronary bypass and angioplasty at a major referral center reflects the national trend of an aging patient population with coronary artery disease undergoing revascularization procedures. |
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Authors:
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W O Harris; M B Mock; T A Orszulak; H V Schaff; D R Holmes |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Mayo Clinic proceedings. Mayo Clinic Volume: 71 ISSN: 0025-6196 ISO Abbreviation: Mayo Clin. Proc. Publication Date: 1996 Oct |
Date Detail:
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Created Date: 1996-11-04 Completed Date: 1996-11-04 Revised Date: 2007-10-29 |
Medline Journal Info:
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Nlm Unique ID: 0405543 Medline TA: Mayo Clin Proc Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 927-35 Citation Subset: AIM; IM |
Affiliation:
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Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic Rochester, Minnesota 55905, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Angioplasty, Transluminal, Percutaneous Coronary / mortality, utilization* Coronary Artery Bypass / mortality, utilization* Coronary Disease / complications, mortality, surgery, therapy* Diabetes Complications Female Humans Male Middle Aged Minnesota Retrospective Studies Survival Rate Treatment Outcome |
| Comments/Corrections | |
Comment In:
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Mayo Clin Proc. 1996 Oct;71(10):1016-7
[PMID:
8820781
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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