当前位置： SCI文献检索 > JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY期刊下所有文献 > Local treatment with antithrombotic drugs can prevent thrombus formation: an angioscopic and angiographic study.

Local treatment with antithrombotic drugs can prevent thrombus formation: an angioscopic and angiographic study.

Abstract：

OBJECTIVES:This study was designed to evaluate the efficacy of local versus systemic treatment of thrombosis with various antithrombotic drugs. BACKGROUND:Local use of low dose antithrombotic drugs has been proposed as being effective and safe. METHODS:Heparin (30 U/kg), an antithrombin agent (argatroban, 0.05 mg/kg body weight) or a defibrinogenating drug (batroxobin, 0.05 U/kg) was locally infused into one side of the canine iliac artery after injury by balloon inflation. The other side was injured as a control. The efficacy of systemic delivery of high dose (heparin [300 U/kg] and argatroban [0.5 mg/kg]) and low dose drugs was also assessed. RESULTS:Sixty minutes after local treatment in 22 dogs, no thrombotic stenosis was observed by angiography in locally treated arteries (p < 0.005 vs. mean thrombotic stenosis of 27% in control segments for heparin, 25.3% in control segments for argatroban and 32% in control segments for batroxobin). Angioscopy demonstrated the same trend. In locally treated arteries, thrombus weight was significantly lower in the treated than control side. In the systemic high dose group (n = 10), angiographic thrombotic stenosis was < 5% after high dose drug delivery (p < 0.05 vs. control segments, 37.4% for heparin, 43% for argatroban). In another 10 dogs, low dose systemic delivery was not effective in inhibiting thrombus formation. Activated partial thromboplastin time and fibrinogen levels did not change with local treatment. CONCLUSIONS:Compared with systemic administration of antithrombotic drugs, local treatment is a safer and more effective method of preventing thrombosis.

journal_name

J Am Coll Cardiol

journal_title

Journal of the American College of Cardiology

authors

Tomaru T,Nakamura F,Fujimori Y,Omata M,Kawai S,Okada R,Murata Y,Uchida Y

doi

10.1016/0735-1097(95)00324-X

subject

Has Abstract

pub_date

1995-11-01 00:00:00

pages

1325-32

issue

5

eissn

0735-1097

issn

1558-3597

pii

0735-1097(95)00324-X

journal_volume

26

pub_type

杂志文章

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