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[Diagnostic value of albumin-bilirubin grade combined with serum ammonia in cirrhosis with hepatic encephalopathy].

Objective: To explore the value of albumin-bilirubin (ALBI) grade combined with serum ammonia in the diagnosis of cirrhosis with hepatic encephalopathy (HE). Methods: The serum level of total bilirubin(TBIL), albumin( ALB )and blood ammonia were detected in 139 patients including 73 cirrhosis patients without HE and 66 cirrhosis patients with HE from January 2015 to January 2017 in Beijing You'an Hospital, and the relationship between ALBI and blood ammonia value and Child grade and hepatic encephalopathy was analyzed. Results: The level of ALBI and blood ammonia were more and more higher with the increase of Child grade, the level of ALBI in Child A, B and C were -2.3±0.6, -1.7±0.5, -0.9±0.4, and there was a statistically significant(F=125.100, P<0.001). The blood ammonia concentration in Child A, B and C were(42.6±16.0), (56.1±31.2), (69.8±34.7) μmol/L, and there was a statistically significant(F=7.400, P<0.001). The level of ALBI was higher with the increase of model for end-stage liver disease (MELD) grade, and there was a positive correlation(r=0.547, P<0.001). The ALBI value in the HE group was higher than the cirrhosis patients without HE((-1.1±0.5)vs(-1.6±0.7)), and the difference was statistically significant (t=5.244, P<0.001). Level of blood ammonia in the HE group was(83.6±39.5)μmol/L, which was higher than the level of cirrhosis patients without HE(42.9±17.0)μmol/L, and the difference was statistically significant (t=8.130, P<0.001) . When ALBI and blood ammonia were combined, the ROC curve area was 0.911, the sensitivity was 93.9%, the specificity was 93.2%. Conclusion: There is a significant diagnosis value and high clinical application when ALBI is combined with blood ammonia to diagnose HE .