ARACHNASE - AN EVALUATION OF A POSITIVE CONTROL FOR PLATELET NEUTRALIZATION PROCEDURE TESTING WITH 7 COMMERCIAL ACTIVATED PARTIAL THROMBOPLASTIN TIME REAGENTS

被引:10
作者
MCGLASSON, DL
BABCOCK, JL
BERG, L
TRIPLETT, DA
机构
[1] HEMEX LABS,DEPT COAGULAT,PHOENIX,AZ
[2] BALL MEM HOSP,DEPT PATHOL,MUNCIE,IN 47303
关键词
ARACHNASE; BROWN RECLUSE SPIDER; ACTIVATED PARTIAL THROMBOPLASTIN TIME; LUPUS ANTICOAGULANTS; PLATELET NEUTRALIZATION PROCEDURE;
D O I
10.1093/ajcp/100.5.576
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
ARACHnase (Hemostasis Diagnostics International Co., Denver, CO) is a normal plasma that contains a venom extract from the brown recluse spider, Loxosceles reclusa, which mimics the presence of a lupus anticoagulant (LA). Seven activated partial thromboplastin time (APTT) reagents were used for platelet neutralization procedure (PNP) testing with ARACHnase: Automated APTT (Organon-Teknika, Durham, NC); Thrombofax and Thrombosil (Ortho, Raritan, NJ); Actin and Actin FSL (Dade, Aguado, PR); and Thromboscreen-Kontact and Thromboscreen-APTT LS (Pacific-Hemostasis, Ventura, CA). ARACHnase consistently displayed a positive PNP result of greater than 5 seconds correction of the initial baseline APTT. Thus, ARACHnase may provide a positive control for LA testing, regardless of the choice of APTT reagent and activator/phospholipid combination.
引用
收藏
页码:576 / 578
页数:3
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