Key result
The initial success rate (94.5% vs 96.5%) and restenosis rate (24.3% vs 32.5%) of coronary stenting in elderly patients were not significantly different from those of younger patients.
Why the study?
Does coronary artery stenting have similar success and restenosis rates in elderly patients compared to younger patients?
Cohort (n=379)
No
Does coronary artery stenting have similar success and restenosis rates in elderly patients compared to younger patients?
Coronary artery stenting in elderly patients (≥70 years) is safe and effective, with initial success and restenosis rates comparable to those in younger patients.
Answers are grounded in this paper and cite their sources.
Supports stenting feasibility in elderly patients; leaves open need for randomized confirmation of equivalence.
Background and Objectives：With the prolonged life expectancy and changes in dietary habits in Korea, the number and percentage of elderly patients with ischemic heart disease (IHD) has been increased.Primary success rate and long-term clinical outcomes of elderly patients were compared with younger patients, who underwent coronary artery stent (CAS).Materials and Method：A retrospective analysis of 379 patients, who underwent CAS at Chonnam National University Hospital from January 1993 to June 1998, was performed.Clinical characteristics, lipid profiles, coronary angiographic findings, success rates and in-hospital mortality rates and follow-up coronary angiographic findings of elderly patients older than 70 years (Group I；n＝91, 73±4 years) were compared with the patients under the age of 70 years (Group II；n＝288, 56±11 years).Results：Female was more prevalent in Group I than Group II (41/91, 45.1% vs. 57/288, 19.9%, p<0.001).Ejection fraction was lower in Group I than in Group II (56.9±6.4 vs. 63.8±15.3%,p<0.05) and left ventricular end-diastolic pressure was higher in Group I (17.9±7.9 vs. 14.0±7.7 mmHg, respectively p<0.05) than in Group II.There were no significant differences in the distribution of the risk factor except for smoking (Group I；26/91, 28.6% vs Group II；130/288, 45.3%, p<0.05).Lesion and procedural characteristics were not different between two groups.Primary success rate of Group I was 94.5% (86/91) and Group II was 96.5% (278/288), which were not different between two groups.On follow-up coronary angiogram, restenosis rate was not different between two groups (Group I：9/37, 24.37% vs. Group II 50/154, 32.5%, p＝NS).Conclusion：The initial success rate and restenosis rate of coronary stenting in the elderly patients are not different from those of younger group.Thus coronary stent can be performed effectively in elderly patients.( ( ( (Korean Circulation J 2001 ; 31( ( ( (1) ) ) ) : 31-38) ) ) ) KEY WORDS：Coronary stent•Restenosis•Old age.논문접수일：2000년 6월 19일 심사완료일：2001년 1월 31일 교신저자：정명호, 501-757 광주광역시 동구 학 1동 8번지 전남대학교병원 심장센터 전화：(062) 220-6243•전송：(062) 228-7174 E-mail：myungho@chollian.net
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Lee et al. (2001) conducted a cohort in Ischemic heart disease (n=379). Coronary artery stenting in elderly patients (≥70 years) vs. Coronary artery stenting in younger patients (<70 years) was evaluated on Primary success rate (p=NS). The initial success rate (94.5% vs 96.5%) and restenosis rate (24.3% vs 32.5%) of coronary stenting in elderly patients were not significantly different from those of younger patients.
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