Document Detail

Early vascular healing with rapid breakdown biodegradable polymer sirolimus-eluting versus durable polymer everolimus-eluting stents assessed by optical coherence tomography.
MedLine Citation:
PMID:  23352095     Owner:  NLM     Status:  Publisher    
BACKGROUND: Differences in early arterial healing patterns after stent implantation between biodegradable and durable polymer based new generation drug-eluting stents are not well understood. The aim of this study was to compare the healing patterns of a novel rapid breakdown (≤8weeks) biodegradable polymer sirolimus-eluting stent (BP-SES) with a durable polymer everolimus-eluting stent (EES) using intravascular optical coherence tomography (OCT) at 4months. METHODS: A total of 20 patients were randomly assigned to stenting with BP-SES (n=11) or EES (n=9). Overall intravascular imaging was available for 15 (75%) patients. The primary endpoint was the difference in rate of uncovered struts between BP-SES and EES. To account for strut-level clustering, the results in both treatment groups were compared using a generalized linear mixed model approach. RESULTS: Regarding the primary endpoint, BP-SES as compared to EES showed similar rates of uncovered struts (37 [6.8%] versus 167 [17.5%], odds ratio (OR) 0.45 (95% CI 0.09-2.24), p=0.33). There were no malapposed struts in BP-SES group and 14 malapposed struts in EES group (p=0.97). No difference in percent neointimal volume (14.1±8.2% vs. 11.4±6.4%, p=0.56) was observed. CONCLUSIONS: Although rapid-breakdown BP-SES as compared to EES showed signs of improved early tissue coverage, after adjustment for strut-level clustering these differences were not statistically significant. No differences in ability to suppress neointimal hyperplasia after stent implantation between 2 stents were observed.
Tomohisa Tada; Robert A Byrne; Tibor Schuster; Rezarta Cuni; Hironori Kitabata; Klaus Tiroch; Alfred Dirninger; Franz Gratze; Klaus Kaspar; Gerald Zenker; Michael Joner; Albert Schömig; Adnan Kastrati
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-23
Journal Detail:
Title:  Cardiovascular revascularization medicine : including molecular interventions     Volume:  -     ISSN:  1878-0938     ISO Abbreviation:  Cardiovasc Revasc Med     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101238551     Medline TA:  Cardiovasc Revasc Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Deutsches Herzzentrum, Technische Universität, München, Germany. Electronic address:
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