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GE-Portuguese Journal of Gastroenterology
versión impresa ISSN 2341-4545
Resumen
MAGALHAES-COSTA, Pedro et al. Hepatocellular Carcinoma in Chronic Hepatitis B Patients on Third Generation Nucleos(t)ides Analogs: Risk Factors and Performance of a Risk Score. GE Port J Gastroenterol [online]. 2016, vol.23, n.5, pp.233-242. ISSN 2341-4545. https://doi.org/10.1016/j.jpge.2016.02.001.
Objective: To investigate hepatocellular carcinoma (HCC) incidence, risk factors and the performance of baseline REACH-B risk score in a Portuguese chronic hepatitis B (CHB) population on antiviral therapy. Methods:Retrospective study of CHB patients who were treated with tenofovir or entecavir for at least 12 months. Multivariate analysis was performed to identify factors associated with HCC. The Kaplan-Meier method was used to estimate the cumulative incidence of HCC at 1, 3 and 5 years on therapy. The performance of the REACH-B score at baseline was assessed. Results:One hundred and twenty patients initiated nucleos(t)ide analogs (NUC) therapy (age, 47 ± 14 years-old; 83 male; 11% had cirrhosis; 71% tenofovir; 73% HBeAg-negative; 61% treatment-naïve). After a median time under NUC of 39 months, 9 patients (7.5%) developed HCC. The calculated cumulative incidence rates of HCC at 1, 3 and 5 years on therapy were 5.1%, 7.3% and 8.8%, respectively. Independent predictors for HCC occurrence: age and cirrhosis at baseline. Diagnostic accuracy of baseline REACH-B score in predicting HCC development: AUC 0.738, 95%CI: 0.521-0.955. The cutoff value of 8 points had a sensitivity, specificity, positive predictive value and negative predictive value of 75%, 52%, 6% and 98%, respectively in predicting HCC occurrence during therapy. Conclusions: Older age and cirrhosis at baseline were independent predictors for HCC development. Discriminatory performance of baseline REACH-B score was limited.
Palabras clave : Carcinoma; Hepatocellular; Hepatitis B; Chronic; Nucleotides; Risk Factors.