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Lipoprotein (a) and Restenosis after Elective Coronary Stenting Yukiko Morita 1 , Takasi Usui 1 , Hideyuki Yakuwa 1 , Hideo Himeno 1 , Reimin Sawada 1 , Ryu Sasaki 1 , Minako Murayama 1 , Hideto Yano 1 , Masanohu Kasiwagi 1 1Department of Cardiology, Fujisawa City Hospital Keyword: リポプロテイン(a) , 再狭窄 , 冠動脈ステント , lipoprotein(a) , restenosis , coronary stent pp.491-494
Published Date 2001/5/15
DOI https://doi.org/10.11477/mf.1404902291
  • Abstract
  • Look Inside

 Lipoprotein (a) 〔Lp (a)〕 appears to be a risk factorfor coronary artery disease. It may promote restenosisafter balloon angioplasty.

 The aim of this study was to evaluate the relationbetween serum Lp (a) level and restenosis after electivecoronary stenting.

The study included 86 patients (96 lesions) with successful coronary stent placement. Follow-up angiography was performed at 6 months after stent placement.At follow-up, serum biochemical data and coronary riskfactor were analyzed. According to the serum Lp (a)level, lesions were divided in two groups: high Lp (a)group (serum Lp (a)≧3mg/dl) and low Lp (a) group (serum Lp (a)<30mg/dl).

 Lp (a) level was 32.5±40.3mg/dl (median, 20 mg/dl;range, 2 to 254mg/dl). Total restenosis rate was 29.1%.Angiographic restenosis occurred in 6 of the 31 lesions(19.4%) in the high Lp (a) group and in 22 of the 65lesions (33.8%) in the low Lp (a) group. There was nodifference between the two groups statistically.

 Serum Lp (a) level did not influence restenosis afterelective stent placement.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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