生化指标和多普勒指标对慢性丙型肝炎患者肝纤维化的预测
研究概览
详细说明
慢性丙型肝炎病毒 (HCV) 感染是一个全球性的健康问题,影响着全球约 3% 的人口。 与轻度肝纤维化患者相比,显着肝纤维化患者在 10 至 20 年内有发展为肝硬化的风险。 这一事实表明需要对慢性丙型肝炎 (CHC) 患者进行早期抗病毒治疗,以预防肝硬化和相关并发症的发展。 对于肝硬化患者,需要监测胃食管静脉曲张和肝细胞癌的内窥镜检查和超声检查,以最大限度地降低发病率和死亡率。 此外,肝硬化患者可能会遇到抗病毒治疗的治疗反应和耐受性降低。 因此,准确评估肝纤维化分期对于诊断和治疗都很重要。
肝活检已被公认为评估坏死性炎症分级和纤维化阶段的金标准。 然而,它的成本很高,并且存在并发症风险,包括 20% 的患者不适、0.1-3% 的显着发病率和 0.02-0.24% 的死亡率。 此外,由于实质损伤分布不均匀以及观察者内部和观察者之间的变异性,经常会遇到抽样误差。 评估肝病活动度或纤维化阶段的无创工具会有所帮助,尤其是在长期监测 CHC 患者方面。
评估 HCV 感染患者肝脏组织学的无创方法包括症状和体征、常规实验室检查、纤维化和炎症的血清标志物、肝功能定量检查和放射学成像。 以前的研究已经评估了无创检测在预测肝纤维化方面的作用。 然而,由于缺乏准确性、可访问性、可重复性或昂贵,它们都没有显示出令人满意的结果。
双重多普勒超声检查 (DDU) 易于获得且无创,已被用于评估慢性肝病患者的内脏血管血流动力学。 门静脉速度 (PVV) 已被证明与显着的纤维化或肝硬化相关。 肝动脉阻力指数 (HARI) 和搏动指数 (HAPI) 与门静脉阻力和肝静脉-门静脉压力梯度 (HPVG) 相关。 脾动脉阻力指数 (SARI) 和搏动指数 (SAPI) 与门静脉阻力、肝硬化和食管静脉曲张 (EV) 等级相关。 以前评估 DDU 在预测肝脏组织学中的价值的研究存在争议,可能是由于患者数量少、肝脏组织学分级多样和大量缺失数据。
因此,我们前瞻性研究的目的是评估多普勒参数的价值,并比较多普勒参数与各种生化指标在预测慢性丙型肝炎 (CHC) 患者显着肝纤维化 (≥ F2) 和肝硬化 (F4) 方面的诊断准确性.
研究类型
注册 (实际的)
联系人和位置
学习地点
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Taipei、台湾、100
- National Taiwan University Hospital
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参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
取样方法
研究人群
描述
纳入标准:
- 年龄超过 18 岁
- 抗-HCV和HCV RNA阳性超过6个月
- 谷丙转氨酶水平超过正常上限 (ULN) 的两倍
排除标准:
- HBV 和 HCV 合并感染
- HIV 和 HCV 合并感染
- 大量饮酒(> 50 克/天)
- 自身免疫性肝病
- 代谢性肝病
- 存在肝细胞癌
学习计划
研究是如何设计的?
设计细节
合作者和调查者
调查人员
- 研究主任:Chen-Hua Liu, MD、Department of Internal Medicine, National Taiwan Universitys Hospital
出版物和有用的链接
一般刊物
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