Department of Internal Medicine, A.O. Fatebenefratelli e Oftalmico, Milan, Italy.
Hepatology. 2010 Jun;51(6):2069-76. doi: 10.1002/hep.23528.
The incidence of de novo development of esophageal varices (EV) in patients with compensated liver cirrhosis has been determined by few studies in the short term and never in the long term. The aims of the present study were to determine the incidence and the risk factors associated with the development of EV and to assess whether antiviral treatment and achievement of sustained virologic response (SVR) may prevent de novo EV development in patients with HCV-induced cirrhosis. We studied 218 patients with compensated EV-free, HCV-induced cirrhosis consecutively enrolled between 1989 and 1992 at three referral centers in Milan, Italy. Endoscopic surveillance was performed at 3-year intervals according to international guidelines. SVR was defined as undetectable serum HCV-RNA 24 weeks after treatment discontinuation. During a median follow-up of 11.4 years, 149/218 (68%) patients received antiviral treatment and 34 (22.8%) achieved SVR. None of the SVR patients developed EV compared with 22 (31.8%) of the 69 untreated subjects (P < 0.0001) and 45 (39.1%) of the 115 non-SVR patients (P < 0.0001). On multivariate analysis, HCV genotype 1b (hazard ratio [HR] 2.40; 95% confidence interval [CI] 1.17-4.90) and baseline model for end-stage liver disease (MELD) score (HR 1.20; 95% CI 1.07-1.35 for 1 point increase) were independent predictors of EV.
In the long term, the achievement of SVR prevents the development of EV in patients with compensated HCV-induced cirrhosis. Therefore, in these patients, endoscopic surveillance can be safely delayed or avoided. Genotype 1b infection and MELD score identify the subset of patients at higher risk of EV development who need tailored endoscopic surveillance.
确定无静脉曲张肝硬化患者新发食管静脉曲张(EV)的发生率,并确定与 EV 发展相关的危险因素,以及评估抗病毒治疗和持续病毒学应答(SVR)是否可能预防 HCV 诱导的肝硬化患者新发生 EV。
我们连续纳入了意大利米兰三个转诊中心的 218 例无 EV 的代偿性 HCV 诱导性肝硬化患者,这些患者均在 1989 年至 1992 年间接受了治疗。根据国际指南,每隔 3 年进行内镜监测。SVR 定义为治疗结束后 24 周时血清 HCV-RNA 不可检测。在中位随访 11.4 年期间,149/218(68%)例患者接受了抗病毒治疗,34(22.8%)例患者获得了 SVR。与 69 例未接受治疗的患者中 22(31.8%)例(P < 0.0001)和 115 例未获得 SVR 的患者中 45(39.1%)例相比,无 SVR 患者均未发生 EV。多变量分析显示,HCV 基因型 1b(风险比 [HR] 2.40;95%置信区间 [CI] 1.17-4.90)和基线终末期肝病模型(MELD)评分(HR 1.20;95%CI 1.07-1.35,每增加 1 分)是 EV 的独立预测因子。
在长期随访中,获得 SVR 可预防代偿性 HCV 诱导性肝硬化患者发生 EV。因此,在这些患者中,内镜监测可以安全地延迟或避免。基因型 1b 感染和 MELD 评分可识别出发生 EV 风险较高的患者亚组,这些患者需要进行针对性的内镜监测。