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Influence of styptic fiber on clotting time in rabbits
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作者 LU Jun,JIANG Su-yun(Dalian Institute for Drug Control,Dalian 116021,China) 《沈阳药科大学学报》 CAS CSCD 北大核心 2008年第S1期93-93,共1页
Objective To explore the influence of styptic fiber on clotting time in rabbits so as to provide experiment data for its development.Methods Onto 0.1 mL aliquots of citrated anti-coagulant rabbit blood placed in a sur... Objective To explore the influence of styptic fiber on clotting time in rabbits so as to provide experiment data for its development.Methods Onto 0.1 mL aliquots of citrated anti-coagulant rabbit blood placed in a surfacial plate 25 ul of 0.2 mol·L-1 CaCl2 solution was dropped,and mixed well with glass stirrer;the resulting mixture was immediately capped with a piece of styptic fiber(test product group)or absorptive gelatin sponge(positive control group)of 2 cm diameter.Then,the surficial plate was rinsed with 30ml of purified water at 5,10,20,30,40 and 50 min after capping;the rinsings were allowed to stand for 1 h and were subjected to OD determination at a wavelength of 541 nm.The above procedure was repeated twice,the average value of the twice experiments was taken for evaluation of the hemostatic effect of test product.For negative control group,all procedures except for capping were same as the test product group.The haemostatic effect was judged by percent OD relative to OD at 0 min in negative control group(OD 0 min)(OD 0 min was considered as 100%);if OD value at a time was less than 80% of OD 0 min,it should be designated as primary clotting time(PCT),less than 20% as complete clotting time(CCT).Results The measured PCT was 20min for both negative and positive control groups;CCT was 50,30 and 5 min for negative control,positive control and test product groups,respectively,showing the test styptic fiber had a CCT 8 times shorter than untreated blood,10 times shorter than negative control and 6 times shorter than positive control.Conclusions The test styptic fiber has powerful hemostatic effect. 展开更多
关键词 RABBIT CLOTTING TIME styptic fiber
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