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Comparison of the self‐expanding Radius stent and the balloon‐expandable Multilink stent for elective treatment of coronary stenoses: A serial analysis by intravascular ultrasound
Author(s) -
Yu ZaiXin,
Tamai Hideo,
Kyo Eisho,
Kosuga Kunihiko,
Hata Tatsuhiko,
Okada Masaharu,
Nakamura Takuji,
Komori Hidenori,
Tsuji Takafumi,
Takeda Shinsaku,
Motohara Seiichiro,
Uehata Hiromu
Publication year - 2002
Publication title -
catheterization and cardiovascular interventions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.988
H-Index - 116
eISSN - 1522-726X
pISSN - 1522-1946
DOI - 10.1002/ccd.10165
Subject(s) - medicine , stent , intravascular ultrasound , restenosis , lumen (anatomy) , balloon , stenosis , radiology , coronary angiography , coronary stent , radius , ultrasound , nuclear medicine , surgery , cardiology , myocardial infarction , computer security , computer science
We compared the outcome of the self‐expanding Radius stent and the balloon‐expandable Multilink stent serially by angiography and intravascular ultrasound. Successful stent deployment was achieved in 66 lesions of 56 stable angina patients (34 lesions with Radius stents and 32 lesions with Multilink stents). At follow‐up, there were no significant differences in minimal lumen diameter or percent diameter stenosis between the groups, nor in restenosis rates, although the Radius stent group rate was slightly lower (23.5% vs. 31.3%). In the Radius stent group, stent cross‐sectional area (CSA) increased gradually after implantation until the 6‐month follow‐up (8.37 ± 1.83 to 10.16 ± 2.59 mm 2 ; n = 15), giving a larger CSA ( P = 0.03) than the Multilink stent group, which decreased (9.00 ± 2.05 to 8.27 ± 2.15 mm 2 ; n = 17). The lumen CSA was also slightly larger (6.82 ± 3.06 vs. 5.84 ± 1.85 mm 2 ; P = 0.29) in the Radius stent group. These findings indicated that the Radius stent enlarged progressively after implantation, which might be useful for prevention of restenosis. Cathet Cardiovasc Intervent 2002;56:40–45. © 2002 Wiley‐Liss, Inc.

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