APTT纠正试验是将患者血浆(patient plasma,PP)与正常混合血浆(Normal Pooled Plasma,NPP)按照一定比例混合后多次检测APTT,评估混合血浆APTT“纠正”的程度,为确诊试验的选择提供指导。 APTT纠正试验中混合血浆的APTT较患者APTT延长而不是缩短,将PP与NPP 1∶1混合后,稀释蝰蛇毒凝血时间试验和硅凝固时间的比率均显著增加...
inPlasmawithoutwithoutwithoutIXXIIIXIIXIXVIIIVIIVIVIIIIIIIXXIIIXIIXIXVIIIVIIVIVIIIIIIAPTTReagentActivatorPLIntrinsicSystemMeasureClottingTimeEllagicacid,silicaetc.Calcium(Ca2+)NormalRange20-40secCaCl2IVPhospholipidFibrin37度XIIIXXIVIIIXVIIICa2+,PLCa2+,PLBloodSamplingTrisodiumCitrate操作1.枸橼酸钠1:9抗凝血2ml 2.300...
实验十 血小板功能检测(示教)PTAPTT 目的要求 •掌握PT、APTT测定的原理、方法、注意事项、临床意义 •掌握试管法•熟悉血凝仪法•熟悉血小板聚集仪 血小板功能检验 •血小板黏附试验•血小板聚集试验 全血的PLT不能小于50×109/L 血小板黏附试验原理 •在体内血小板具有粘附于被暴露的胶原组织和相互之间...
同时相对来说PTT的时间会比APTT时间长很多,其评价生物材料对血液的激活情况更加敏感,尤其是血液接触性...
【临床血液学-实验课课件】_10实验十 PT APTT 血小板功能
实验十血小板功能检测(示教)PTAPTT目的要求•掌握PT、APTT测定的原理、方法、注意事项、临床意义•掌握试管法•熟悉血凝仪法•熟悉血小板聚集仪血小板功能检验•血小板黏附试验•血小板聚集试验全血的PLT不能小于50×109/L血小板黏附试验原理•在体内血小板具有粘附于被暴露的胶原组织和相互之间粘附的机能,在体外...
SYSMEX CA550 in APTT and PT(P<0.05). Conclusions The comparabilitywhich the results of APTT and PT which were measured by STAGO Comapct and SYSMEX CA550 automated blood coagulation analyzers and supporting reagents were not very well. The reference range should be established when the APTT ...
A patient has a prolonged APTT and a normal PT. The APTT is not corrected by factor Ⅷ-deficient plasma but is corrected by factor Ⅸ-deficient plasma.Which factor does the patient appear to be deficient in(所属章节:第七章 ,难度:5)...
A patient has a prolonged APTT and anormal PT. The APTT is not corrected by factor Ⅷ-deficient plasma but is corrected by factor Ⅸ-deficient plasma. Which factor does the patient appear to be deficient in A. Factor Ⅹ B. FactorⅨ C. FactorⅧ D. Factor Ⅴ E. Factor Ⅱ ...
15 patients had PTLab/INRLabwithin the normal range (11.0 s/0.9–14.0 s/1.1), 10 patients in the sub-therapeutic range (14.1 s/1.2–21.9 s/1.9), 5 patients in the therapeutic range (22.0 s/2.0–31 s/2.9) and 30 patients in the supra-therapeutic range (>31....