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[慢性弥漫性肝病患者止血系统紊乱的机制]

[The mechanisms of disorders in the hemostatic system of patients with chronic diffuse liver diseases].

作者信息

Podymova S D, Serov N A, Serov V A, Sukhanov V A, Brodskaia I K

出版信息

Ter Arkh. 1990;62(2):72-6.

PMID:2336628
Abstract

A total of 70 patients with chronic hepatitis and 60 with liver cirrhosis (LC) were examined. The hemorrhagic syndrome (HS) was identified in 16% of patients with chronic active hepatitis, in 26% with compensated and in 76% with decompensated LC. Intravital study of intravascular blood coagulation and liver microcirculation with the aid of fibrin determination according to D. D. Zerbino made it possible to establish local intravascular coagulation (LIC-syndrome). Study into the hemostatic and fibrinolytic systems, analysis of liver function, hemocoagulation and the intensity of the LIC-syndrome permitted one to arrive at conclusions about complex impairments of the hemostatic system in patients with chronic diffuse liver diseases characterized by a tendency towards blood hypocoagulation in the systemic blood flow with the risk of the development of the HS and a tendency towards hypercoagulation (with the risk of thrombosis development) in the vascular bed of the liver. It has been shown that the main cause of the HS occurring in chronic diffuse liver diseases lies in derangements of the thrombocytic component of the hemostatic system: thrombocytopenia as a consequence of hypersplenism and consumption of the most active thrombocytes in the process of the LIC. Activated fibrinolysis starts to exert an inhibitory action on hemocoagulation in patients with chronic diffuse liver diseases in the stage of decompensated LC. In compensated hepatopathies, the influence of fibrinolysis on coagulation and the development of the HS was immaterial.

摘要

共对70例慢性肝炎患者和60例肝硬化(LC)患者进行了检查。在慢性活动性肝炎患者中,16%出现出血综合征(HS);在代偿期LC患者中,26%出现HS;在失代偿期LC患者中,76%出现HS。借助根据D.D.泽尔比诺方法进行的纤维蛋白测定对血管内凝血和肝脏微循环进行活体研究,得以确定局部血管内凝血(LIC综合征)。对止血和纤溶系统的研究、肝功能分析、血液凝固以及LIC综合征的强度分析,使人们能够得出结论,即慢性弥漫性肝病患者的止血系统存在复杂损伤,其特征为全身血流中存在血液低凝倾向,有发生HS的风险,而肝脏血管床存在高凝倾向(有发生血栓形成的风险)。结果表明,慢性弥漫性肝病中发生HS的主要原因在于止血系统血小板成分的紊乱:脾功能亢进导致的血小板减少以及LIC过程中最活跃血小板的消耗。在失代偿期LC阶段,活化的纤溶开始对慢性弥漫性肝病患者的血液凝固产生抑制作用。在代偿性肝病中,纤溶对凝血和HS发生的影响并不显著。

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