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Percutaneous transluminal coronary angioplasty of the left coronary artery in patients with chronic occlusion of the right coronary artery: clinical and functional results.

Abstract：

:The safety and therapeutic benefits of percutaneous transluminal coronary angioplasty of the left anterior descending coronary artery, the left circumflex coronary artery or both were assessed in 61 patients with chronic (greater than 3 months) occlusion of the right coronary artery. Recanalization of the right coronary artery was not performed before dilatation of left coronary artery lesions. All lesions could be dilated without an acute ischemic event in the catheterization laboratory. However, three patients underwent coronary artery bypass surgery within the first 8 days after coronary angioplasty. There were no in-hospital deaths. Of the remaining 58 patients, 51 (88%) had repeat angiography at a mean of 5.2 +/- 2.5 months. Patients were divided into two groups according to the presence (n = 17) or absence (n = 34) of restenosis defined as greater than or equal to 50% diameter stenosis at the dilated site. Baseline characteristics were comparable. The mean value for angina functional class at follow-up was significantly better in the group without than in the group with restenosis (0.4 +/- 0.6 vs 2.1 +/- 1.1, respectively; p less than 0.001). Sixty-five percent of the patients without restenosis were asymptomatic at follow-up. Seventy-five percent of the predicted maximal physical capacity was reached by 76% of the patients without restenosis compared with 33% in the group with restenosis (p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

Am Heart J

journal_title

American heart journal

authors

De Bruyne B,Renkin J,Col J,Wijns W

doi

10.1016/0002-8703(91)90994-s

subject

Has Abstract

pub_date

1991-08-01 00:00:00

pages

415-22

issue

2

eissn

0002-8703

issn

1097-6744

pii

0002-8703(91)90994-S

journal_volume

122

pub_type

杂志文章

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