Abstract:Objective To study the incidence and risk factor of in-stent restenosis (ISR) in elderly coronary heart disease (CHD) patients after percutaneous coronary intervention (PCI), and provide basis for prevention and control of ISR. Methods Clinical data of 475 cases receiving 12-month follow-up and coronary arteriography recheck were collected. Incidence of ISR was analyzed and compared between groups. Patients were grouped according to occurrence of ISR, and correlative factor was compared between ISR group and non-ISR groups to screen variables for multi-factor Logistic analysis. Results Totally 475 CHD patients completed follow-up after PCI, with 611 stent implantation, and 51 (10.67%) patients with 71 (11.62) stents encountered ISR. ISR rate of male (12.24%) was higher than that of female (6.82%) with statistical significance (P<0.05). Single-factor analysis revealed there was difference of complication with T2DM, hsCRP level, stent diameter, stent length, and stent number between both groups (P<0.05). Multi-factor analysis revealed complication with T2DM (OR=2.467, 95%CI: 1.455~5.767), hsCRP level (OR=6.515,95%CI: 2.455~18.767), stent diameter (OR=4.120, 95%CI: 1.574~14.644), stent length (OR=1.996, 95%CI: 1.387~3.895), and stent number (OR=3.425, 95%CI: 1.812~6.774) were independent factors of ISR. Conclusion ISR incidence after PCI was still high, and complication with T2DM, high hsCRP level, short stent diameter, long stent, and a large number of stents could be risk factors of ISR after PCI.
张小芳, 何文君. 冠心病老年患者经皮冠动脉介入治疗术后支架内再狭窄发生率及危险因素研究[J]. 中国医院统计, 2017, 24(1): 1-4.
Zhang Xiaofang, He Wenjun. Study on the incidence and risk factor of in-stent restenosis in elderly coronary heart disease patients after percutaneous coronary intervention. journal1, 2017, 24(1): 1-4.
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