Comorbidities and Monitoring in Patients with Chronic Hepatitis B on Nucleos(t)ide Analogues Attending a Tertiary Hospital in Malaysia, Southeast Asia: A Critical Perspective.

Background: Chronic hepatitis B (CHB) is a significant global public health concern in Malaysia. It is a potentially life-threatening liver disease caused by the hepatitis B virus (HBV), which can lead to long-term complications such as cirrhosis, liver failure and hepatocellular carcinoma. In managing CHB, nucleos(t)ide analogues (NAs) have become the preferred treatment due to their ability to suppress viral replication and prevent disease progression. The question of liver-associated comorbidities related to patients with CHB on NAs remains unresolved in Malaysia despite the impending burden of CHB in the country. This study intends to address this and related aspects.

Method: We assessed 136 CHB patients on NAs in one centre, the Hospital Universiti Sains Malaysia. Demographic and epidemiological data on the treatment, concomitant disease and monitoring strategies were collected and analysed.

Result: Patients on NAs aged 50 years old-70 years old had the highest proportion of CHB (45.59%), with males representing 61.03% of that age group. There was a statistical significance in CHB acquisition and presence of comorbidities at P > 0.005. Our cohort displayed seven comorbidities (diabetes, obesity, rheumatoid diseases, renal impairment, spontaneous bacterial peritonitis, hypertension, non-hepatocellular malignancies and carcinoma); hypertension had the highest incidence (69.12%), while renal impairment had the lowest incidence (8.09%). Whole blood count, liver function and creatinine tests were the major monitoring tests used in over 90% of the cohort compared to viral load (6.1%).

Conclusion: Diabetes, hypertension and obesity were independent risk factors for acquiring liver cirrhosis and hepatocellular carcinoma. Malaysian CHB patients treated with NAs have several comorbidities that could affect disease outcomes. Therefore, careful monitoring is required.