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肝硬化静脉曲张出血患者门静脉血栓的临床特征

Clinical characteristics of portal vein thrombosis in cirrhotic patients with variceal hemorrhage

  • 摘要:
    目的 探讨肝硬化伴食管胃静脉曲张出血(GVB)患者门静脉血栓(PVT)的发生情况及临床特征。
    方法 回顾性分析2015至2017年复旦大学附属中山医院收治的肝硬化伴GVB患者的临床资料,根据门静脉CT检查结果,将纳入的患者分为PVT组和无PVT组。比较两组实验室检查指标、肝静脉压力梯度(HVPG)和胃镜特征等。采用多因素logistic回归分析评估PVT的独立相关因素。
    结果 共纳入356例患者,其中117例(32.9%)有PVT。与无PVT组相比,PVT组脾切除率、白细胞计数、血小板计数和D-二聚体水平更高,血红蛋白水平更低(P<0.05);PVT组重度食管静脉曲张和伴有红色征的食管静脉曲张发生率更高(P<0.05)。两组HVPG差异无统计学意义。多因素logistic分析显示,白细胞计数增加、D-二聚体水平升高和重度食管静脉曲张与PVT发生独立相关(P<0.05)。
    结论 肝硬化伴GVB患者PVT发生率较高;该类PVT患者机体炎症和促凝水平更高,伴有更严重的门静脉高压。

     

    Abstract:
    Objective To evaluate the prevalence and clinical characteristics of portal vein thrombosis (PVT) in cirrhotic patients with gastroesophageal variceal bleeding (GVB).
    Methods The clinical data of the cirrhotic patients with GVB admitted in Zhongshan Hospital, Fudan University from 2015 to 2017 were retrospectively analyzed. The enrolled patients were divided into PVT and non-PVT groups according to the CT examination results of portal vein system. The clinical indices, such as laboratory findings, hepatic vein pressure gradient (HVPG), and endoscopic features, were compared between the two groups. The multivariate logistic regression analysis was used to evaluate the factors associated with PVT.
    Results Three hundred and fifty-six patients were enrolled, and 117 (32.9%) had PVT. Compared to non-PVT group, patients in the PVT group had higher previous splenectomy rate, counts of white blood cells and platelets, D-dimer level, and lower hemoglobin level (P < 0.05), and higher rates of severe esophageal varices and esophageal varices with red sign (P < 0.05). There was no significant difference in HVPG between the two groups. The multivariate logistic analysis showed that white blood cell count increasing, D-dimer level elevating, and severe esophageal varices were independently associated with PVT (P < 0.05).
    Conclusions The cirrhotic patients with GVB had a high PVT rate, and these patients with PVT had more severe inflammation and procoagulant reaction accompanied by more severe portal hypertension.

     

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