Document Detail

Angiographic and clinical outcome of a new self-expanding intracoronary stent (RADIUS): results from multicenter experience in Japan.
MedLine Citation:
PMID:  10751765     Owner:  NLM     Status:  MEDLINE    
The RADIUS coronary stent featuring a multisegmented slotted tube design and self-expanding nitinol delivery system has a high radial force and flexibility, uniform expansion, and contours to the shape of the vessel. Successful stent deployment was achieved in 104 stable angina patients (106 lesions; 44% LAD, 19% circumflex, and 37% RCA). Mean minimal lumen diameter (MLD) increased from 0.77 +/- 0.46 mm to 2.88 +/- 0.61 mm and mean percent diameter stenosis (% DS) decreased from 73 +/- 14% to 6 +/- 13% immediately after the procedure. At 6-month follow-up, two patients (2%) underwent urgent target revascularization, and cerebral bleeding occurred in one patient (1%). Angiographic follow-up was performed in 94 lesions (89%) and mean MLD and mean % DS were 2.08 +/- 0.92 mm and 30% +/- 24%, respectively. Stent restenosis (>50% diameter stenosis at follow-up) was observed in 16 (17%) of all lesions. The high success rate for stent deployment, low incidence of major adverse cardiac event, and lower restenosis rate after stent implantation indicate that the RADIUS stent is useful for coronary intervention.
A Hirayama; K Kodama; T Adachi; S Nanto; T Ohara; H Tamai; E Kyo; T Isshiki; M Ochiai
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Publication Detail:
Type:  Journal Article; Multicenter Study    
Journal Detail:
Title:  Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions     Volume:  49     ISSN:  1522-1946     ISO Abbreviation:  Catheter Cardiovasc Interv     Publication Date:  2000 Apr 
Date Detail:
Created Date:  2000-05-15     Completed Date:  2000-05-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  100884139     Medline TA:  Catheter Cardiovasc Interv     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  401-7     Citation Subset:  IM    
Cardiovascular Division, Osaka Police Hospital, Osaka, Japan.
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MeSH Terms
Aged, 80 and over
Angioplasty, Transluminal, Percutaneous Coronary / instrumentation*
Coronary Angiography*
Coronary Disease / radiography,  therapy*
Equipment Design
Middle Aged
Treatment Outcome
Comment In:
Catheter Cardiovasc Interv. 2000 Apr;49(4):408-9   [PMID:  10751766 ]

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