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Abstract Details
The Epidemiology of Ascites in a Multi-Ethnic Asian Population.
INTRODUCTION: Ascites is a common condition seen by clinicians in secondary care. Data on the epidemiology of ascites in Asians is lacking.
METHODOLOGY: A retrospective case record review was performed in this large, referral institution between January 2016 and December 2019. Clinical and epidemiological data of adult (age > 18 years) patients with ascites, identified from the Radiology database, were obtained from this institutions' electronic medical records.
RESULTS: A total of 838 patients (median age 59.77 ± 14.46 years, 56% males, ethnicity: Chinese 41.9%, Malay 34.8%, Indian 22.7%) were included in the study. Malignancy (28.9%) and liver cirrhosis (27.9%) were the most common etiology of ascites. Most of the malignant etiology of ascites were due to female-related (breast and ovarian) and gastrointestinal (colon, liver, pancreatic, bile duct) cancer. Liver cirrhosis-related ascites was mostly due to metabolic-associated fatty liver disease (MASLD, 35.5%) and hepatitis B infection (20.5%). An increased age (> 40 years) was associated with all causes of ascites. The etiology of ascites varied with ethnicity as follows: the most common cause of ascites was malignancy (37.6%) among ethnic Chinese, heart failure (20.5%) in ethnic Malays and chronic liver disease (43.7%) in ethnic Indians.
CONCLUSION: Malignancy and liver cirrhosis are the leading cause of ascites in a multi-ethnic Asian population. Demographic factors, particularly ethnicity, have a strong influence on the etiology of ascites.