CLIN CHEM LAB MED:高甘油三酯血症、高胆红素血症和溶血对人血浆凝血酶生成的影响

2019-11-03 MedSci MedSci原创

虽然,越来越多的证据表明高甘油三酯血症、高胆红素血症或溶血性贫血患者的止血平衡受到破坏,但其潜在的生物学机制尚不清楚。本实验旨在探讨甘油三酯、胆红素或无细胞血红蛋白的增加是否会促进血浆凝血酶的生成。

虽然,越来越多的证据表明高甘油三酯血症、高胆红素血症或溶血性贫血患者的止血平衡受到破坏,但其潜在的生物学机制尚不清楚。本实验旨在探讨甘油三酯、胆红素或无细胞血红蛋白的增加是否会促进血浆凝血酶的生成。

研究人员从三组不同的20个常规血浆柠檬酸盐样品中制备了3个不同的样本库。对照样本库中掺入较多多的外源性甘油三酸酯(最高8.8 mmol / L),胆红素(最高350μmol/ L)或自体溶血(最高3.5 g / L的无细胞血红蛋白)。 使用全自动凝血酶生成分析仪ST Genesia,测量了滞后时间(LT),峰化时间(TP),峰高(PH)和内源性凝血酶电势(ETP)等参数。

研究发现,随着甘油三酯浓度的增加,PHETP持续升高,最高为8.8 mmol/L。相反,LTTP呈相反的趋势,在8.8 mmol/Laliquot中达到最大降幅。增加胆红素浓度提升显著增加PH值和ETP减少TPLT, 211μmol / L。在此阈值之后,所有参数都趋于返回到基线值。 在溶血的样品中还注意到PHETP的恒定增加,在3.5 g / L无细胞血红蛋白等分试样中达到峰值,而在所有溶血的等分试样中TPLT保持不变。

研究结果表明,高甘油三酯血症、高胆红素血症和溶血可能促进人血浆的高凝状态。

原始出处:

Gian Luca SalvagnoEmmanuel J. FavaloroInfluence of hypertriglyceridemia, hyperbilirubinemia and hemolysis on thrombin generation in human plasma

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