Document Detail


Can intravascular ultrasound guidance modify the efficacy of drug-eluting stent over bare-metal stent in an aorto-ostial lesion?
MedLine Citation:
PMID:  21421189     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
PURPOSE: We compared the efficacy of drug-eluting stents (DESs) versus bare-metal stents (BMSs) in de novo and native aorto-ostial lesions (AOLs) guided by intravascular ultrasound (IVUS).
METHOD: Thirty-eight patients underwent DES implantation for 38 AOLs; 35 with sirolimus-eluting stents, and three with paclitaxel-eluting stents (DES group). The control group was composed of 40 AOLs treated by BMS. The incidence of the primary composite end point of all-cause mortality, Q-wave myocardial infarction and target vessel revascularization (TVR) as TVR-major adverse cardiac event (TVR-MACE) was evaluated during a 1-year follow-up. Clinical and IVUS parameters were compared between the DES and BMS groups, and Cox hazards model was used to calculate hazard ratios of several factors for the 1-year TVR-MACE.
RESULTS: Although the vessel, plaque, and stent volumes were significantly larger after the procedures in the DES group owing to longer lesions (18.3±5.1 vs. 13.2±5.9 mm, P<.001), the stent volume index (10.8±2.6 vs. 12.4±3.3, P=.024) was much smaller than that in the BMS group. During the 1-year follow-up, there were 13 TVR-MACEs in all patients (13% in DES vs. 20% in BMS, P=.4 by Kaplan-Meier analysis). The Cox hazards model did not indicate any specific unfavorable factor for the 1-year TVR-MACE.
CONCLUSIONS: The present study showed equality between DES and BMS on de novo and native AOLs about the 1-year TVR-MACE rate, even though a DES was used in longer and bulkier lesions as compared to BMS.
Authors:
Teruo Okabe; Akio Kawamura; Yuichiro Maekawa; Toshihisa Anzai; Shiro Iwanaga; Tsutomu Yoshikawa; Satoshi Ogawa
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Publication Detail:
Type:  Journal Article     Date:  2010-10-20
Journal Detail:
Title:  Cardiovascular revascularization medicine : including molecular interventions     Volume:  12     ISSN:  1878-0938     ISO Abbreviation:  Cardiovasc Revasc Med     Publication Date:    2011 Mar-Apr
Date Detail:
Created Date:  2011-03-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101238551     Medline TA:  Cardiovasc Revasc Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  105-10     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Affiliation:
Cardiology Department, International University of Health and Welfare, Mita Hospital, Tokyo, Japan.
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