PMID: 11923572Mar 30, 2002Paper

Predictors of recurrent restenosis after coronary stenting: an analysis of 197 patients

The Journal of Invasive Cardiology
Koichi KishiR Otani

Abstract

One of the major limitations in coronary stenting is in-stent restenosis. This study was aimed to identify clinical, angiographic, and procedural factors that may be related to recurrent in-stent restenosis. We analyzed consecutive 197 patients who underwent coronary stenting. Follow-up angiography was available in 170 patients and repeat balloon angioplasty was performed for in-stent restenosis. These patients were subdivided into 3 groups: group A consisted of 100 patients that were never restenosed, group B had 49 patients restenosed once, and in group C were 21 patients restenosed more than twice. Group C was more often female (48%) and included diabetes mellitus patients (52%). Lesion location, reference vessel size and diameter stenosis were similar for all groups. However, the incidence of calcified lesions tended to be higher (50% vs. 29%; p = 0.07), and lesion length was longer in group C than in group A (11.9+/- 5.4 mm vs. 9.0+/- 3.9 mm; p < 0.01). Diameter stenosis after predilation as well as after stenting was significantly higher in group C than in group A (50+/- 10% vs 39+/- 10%; p < 0.01, 32+/- 8% vs. 19+/- 10%; p < 0.01). The incidence of diffuse type of in-stent restenosis was significantly higher in group C t...Continue Reading

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