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Retrospective analysis of percutaneous transluminal coronary angioplasty and coronary stenting

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Author:
No author available
Journal Title:
CHINESE MEDICAL JOURNAL
Issue:
4
DOI:
10.3760/cma.j.issn.0366-6999.2002.04.101
Key Word:
血管成形术;经腔;经皮冠状动脉;冠状动脉疾病;支架;预后;percutaneous transluminal coronary angioplasty;coronary stenting;long-term prognosis

Abstract: Objective To examine long-term efficacy of percutaneous transluminal coronary angioplasty (PTCA),coronary stenting and to assess the factors affecting its efficacy. Methods A total of 790 patients who underwent successful PTCA and PTCA+stent in this hospital were followed by direct interview or letter. The rate of follow-up was 84.2% and the period of follow-up was 0.9-12.7 (3.5±2.4) years.Results During follow-up, 4 (0.5%) patients died, 22 (2.8%) had nonfatal acute myocardial infarction, 10 (1.3%) had coronary artery bypass surgery, and 98 (12.4%) had repeat PTCA. The rate of recurrent angina pectoris was 31.1%. The cardiac event-free survival rate calculated by the Kaplan-Meier method was 88.2% at 1 year and 80.6% at 12.7 years. Cox regression analysis showed that there was a positive correlation between AMI history, stent implantation and the risk of cardiac events, and there was a negative correlation between the number of diseased arteries and the risk of cardiac events. Compared to the PTCA group, patients with PTCA+stent had significantly lower rates of total cardiac events.Conclusion The long-term efficacy of PTCA, especially PTCA + stent in Chinese patients was very satisfactory, suggesting that PTCA+stent therapy should be the major treatment for revascularization in patients with coronary heart disease.

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