Document Detail

Effects of sirolimus-eluting stent on calcified coronary lesions.
MedLine Citation:
PMID:  18208656     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: 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. METHODS: 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. RESULTS: 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 late loss was similar in both groups; (0.16 +/- 0.40) mm vs (0.17 +/- 0.33) mm, P > 0.05. Meantime, overall thrombosis rates were also similar in both groups; 1.6% vs 1.6%, P > 0.05. CONCLUSION: Although calcified coronary lesion was hard to stent, successful percutaneous coronary intervention with SES stenting for calcified lesions was conferred by the similar favorable results that were seen when comparing non-calcified and calcified coronary lesions.
Jian-jun Li; Bo Xu; Yue-jin Yang; Ji-lin Chen; Shu-bing Qiao; Wei-hua Ma; Xue-wen Qin; Min Yao; Hai-bo Liu; Yong-jian Wu; Jin-qing Yuan; Jue Chen; Shi-jie You; Jun Dai; Ran Xia; Run-lin Gao
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Chinese medical journal     Volume:  121     ISSN:  0366-6999     ISO Abbreviation:  Chin. Med. J.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-22     Completed Date:  2008-04-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7513795     Medline TA:  Chin Med J (Engl)     Country:  China    
Other Details:
Languages:  eng     Pagination:  6-11     Citation Subset:  IM    
Department of Cardiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100037, China.
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MeSH Terms
Calcinosis / therapy*
Coronary Angiography
Coronary Disease / therapy*
Drug-Eluting Stents*
Follow-Up Studies
Middle Aged
Sirolimus / administration & dosage*
Reg. No./Substance:

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