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Plasma levels of C-reactive protein after coronary stent implantation.

Author(s): Gottsauner-Wolf M, Zasmeta G, Hornykewycz S, Nikfardjam M, Stepan E, Wexberg P, Zorn G, Glogar D, Probst P, Maurer G, Huber K

Affiliation(s): Department of Cardiology, University of Vienna, Vienna, Austria.

Publication date & source: 2000-07, Eur Heart J., 21(14):1152-8.

Publication type: Clinical Trial; Randomized Controlled Trial

AIMS: This study was designed to investigate the role of inflammation on the occurrence of angiographic restenosis 6 months after coronary stent implantation and the influence of different kinds of antithrombotic and antiplatelet strategies on inflammation. METHODS AND RESULTS: In an open randomized trial, 40 consecutive patients were treated with aspirin (100 mg. day(-1)) and either ticlopidine (2x250 mg. day(-1)) (n=17), or phenprocoumon (INR 2.0-3.0) and dipyridamole (3x160 mg. day(-1)) (n=23) after successful elective coronary stent implantation. Plasma levels of C-reactive protein were determined one day before stent implantation and serially thereafter twice daily up to 120 h. C-reactive protein plasma levels increased significantly (P<0.0001) after stent implantation. Phenprocoumon and dipyridamole or ticlopidine had no effect on C-reactive protein plasma levels (P=0.51) or the occurrence of angiographic restenosis (P=0.48). C-reactive protein plasma levels were significantly higher in patients with lesion type C compared to types A or B (P=0.035), respectively. C-reactive protein plasma levels were significantly higher and mean shoulder levels occurred 48 h later in patients with restenosis compared to patients without restenosis after 6 months (P=0.038). CONCLUSIONS: Elevated C-reactive protein plasma levels still persisting 96 h after stent implantation might reflect a prolonged inflammatory reaction to coronary stent implantation which might causally be involved in pathophysiological mechanisms leading to restenosis. Copyright 2000 The European Society of Cardiology.

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