PMID: 18208656Jan 23, 2008Paper

Effects of sirolimus-eluting stent on calcified coronary lesions

Chinese Medical Journal
Jian-jun LiRun-lin Gao

Abstract

Calcified coronary lesions carry the risk of suboptimal stent expansion, subsequently leading to restenosis. The effectiveness of sirolimus-eluting stents (SES) for the treatment of calcified lesion has not been fully investigated. In the present study, therefore, we evaluated the effectiveness of SES implantation for the treatment of calcified coronary lesions. A total of 333 consecutive patients with 453 lesions were enrolled in this study. They were divided into two groups according to whether the lesion treated with SES was calcified or not; no calcification group (n = 264) and calcification group (n = 189). Lesions treated with SES were subjected to quantitative coronary angiography (QCA) immediately and 8 months following stenting. Baseline clinical, demographic or angiographic characteristics were well balanced in both groups. Angiographic follow-up at 8 months, the in-stent restenosis and in-segment restenosis rates were not significantly different between the two groups; in-stent restenosis: 3.8% vs 4.2%; P = 0.081; in-segment restenosis: 8.7% vs 10.6%, P = 0.503. The target lesion revascularization (TLR) was also not significantly different between the two groups; 4.9% vs 6.9%, P = 0.378. In addition, the in-stent lat...Continue Reading

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