Decreased circulating levels of von Willebrand factor after intravenous administration of a rapidly degradable hydroxyethyl starch (HES 200/0.5/6) in healthy human subjects.

Abstract:

OBJECTIVE:Impairment of haemostasis has been described with slowly degradable medium molecular weight hydroxyethyl starch (MMW-HES), whereas rapidly degradable MMW-HES is generally considered to have no important effects on blood coagulation. This study was undertaken to investigate the effects of a rapidly degradable MMW-HES plasma substitute on primary haemostasis and blood coagulation in human subjects. DESIGN:Randomised, cross-over study. SETTING:Research unit of a university hospital. PARTICIPANTS:Nine healthy, adult male volunteers. INTERVENTIONS:A 60-min intravenous infusion of 1 l HES 200/0.5/6 (HAES-steril 6%) or 4% albumin (control). MEASUREMENT AND RESULTS:The infusion of HES resulted in decreased circulating levels of von Willebrand factor antigen (from 85+/-8% to 59+/-6% after HES vs from 80+/-7% to 69+/-8% after albumin, p<0.05) and ristocetin cofactor activity (from 93+/-4 to 67+/-4% after HES vs from 79+/-5 to 75+/-5% after albumin, p<0.01). This was associated with an impairment of in vitro platelet function as determined with the PFA-100 platelet function analyser (closure time with collagen/epinephrine from 120+/-7 to 159+/-14 s after HES vs from 121+/-7 to 137+/-10 s after albumin, p<0.05; with collagen/ADP from 88+/-3 to 116+/-9 s and from 103+/-4 to 114+/-7 s after HES and albumin, respectively, p=0.01). CONCLUSIONS:The infusion of 1 l of HES 200/0.5/6 in healthy human subjects results in moderately decreased plasma levels of von Willebrand factor associated with impairment of platelet function.

journal_name

Intensive Care Med

journal_title

Intensive care medicine

authors

de Jonge E,Levi M,Büller HR,Berends F,Kesecioglu J

doi

10.1007/s001340101107

keywords:

subject

Has Abstract

pub_date

2001-11-01 00:00:00

pages

1825-9

issue

11

eissn

0342-4642

issn

1432-1238

journal_volume

27

pub_type

临床试验,杂志文章,随机对照试验
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    pub_type: 杂志文章,meta分析

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