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To compare the early and late outcomes of using two different stent types, angiographic follow up was done 3 months (3 M) after Wiktor (W) (86 patients with 105 lesions) and Palmaz-Schatz (PS) (561 patients with 631 lesions) stent implantation. Furthermore, the coronary arteries of the patients who died between 2 days and 3 M after W (7 lesions) and PS (10 lesions) stent implantation were investigated...
We investigated the morphological characteristics of necropsied coronary arteries from 39 consecutive patients who died between several days and 16 months after either Palmaz-Schatz stent implantation (20 pts) or balloon angioplasty (PTCA) (19 pts). Immunohistochemical examinations clearly revealed smooth muscle cells already migrating from the media into the injured intima with use of either method...
We investigated the morphological characteristics, in histological and immunohistochemical studies, of necropsied coronary arteries from 7 patients who died between 2 days and 11 months after Palmaz-Schatz stent implantation. At 2 days, the stent struts locally depressed the arterial wall, causing thinning and stretching of the atherosclerotic plaque-free wall segment. The fibrous cap seems to have...
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