Total bile acid is a useful tool for evaluating the risk of portal hypertension in patients with hepatocellular carcinoma who have undergone hepatectomy.
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OBJECTIVE: Evaluating portal hypertension is crucial for patients with hepatocellular carcinoma (HCC) who are candidates for liver resection. Total bile acid (TBA) is an easily accessible marker, but its potential as a non-invasive indicator of portal hypertension in patients with HCC is yet to be fully established. METHODS: This study included patients with HCC classified as Child-Pugh stage A who underwent liver resection at a referral hospital. Elevated TBA levels were defined as serum TBA >10 μmol/L, while normal levels were ≤10 μmol/L. RESULTS: A total of 167 patients with HCC with Child-Pugh Class A who underwent liver resection were analyzed. The cohort was divided into normal (n = 125) and elevated TBA groups (n = 42). Compared to patients with normal TBA levels, those with elevated TBA had significantly higher 15-min indocyanine green retention rates (ICG R15) (p <0.001), higher Child-Pugh scores (p <0.001), more advanced Laennec fibrosis stages (p = 0.039), and a higher incidence of esophageal gastric varices (p = 0.001) and post-hepatectomy liver failure (p = 0.001). Multivariate analysis showed that elevated TBA was independently associated with ICG R15 (odds ratio [OR] = 1.150, 95% confidence interval [CI] = 1.055-1.254, p = 0.002), fibrosis stages (OR = 1.973, 95% CI = 1.026-3.796, p = 0.042), and Child-Pugh score (OR = 4.121, 95% CI = 1.367-12.424, p = 0.012). CONCLUSION: Elevated TBA levels in patients with HCC with Child-Pugh class A are significantly associated with portal hypertension and a higher incidence of post-hepatectomy liver failure.