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Natural History of Cirrhosis: Changing Trends in Etiology Over the Years
Ramazan Idilman1, Merve Aydogan2, Mehmet Berk Oruncu2
1Department of Gastroenterology, Ankara University School of Medicine, Ankara, Turkey, idilman@medicine.ankara.edu.tr.
Insights
Hepatitis B and C are leading causes of cirrhosis and liver cancer, but nonalcoholic fatty liver disease is an increasing concern. This study tracked cirrhosis patients to understand disease progression and causes.
Area of Science:
- Hepatology
- Gastroenterology
- Epidemiology
Background:
- Cirrhosis is a significant health concern with evolving etiological trends.
- Understanding the natural history of cirrhosis is crucial for patient management and public health strategies.
Purpose of the Study:
- To investigate the natural history of cirrhosis.
- To determine the etiological trends in cirrhosis development.
- To analyze the incidence and risk factors for hepatocellular carcinoma (HCC) in cirrhotic patients.
Main Methods:
- A retrospective analysis of 1,341 patients diagnosed with cirrhosis between 2001 and 2018.
- Follow-up data for 898 patients with cirrhosis for at least 6 months.
- Logistic regression analysis to identify factors associated with HCC development.
Main Results:
- Chronic viral hepatitis (Hepatitis B virus [HBV] and Hepatitis C virus [HCV]) was the most frequent cause (58%).
- Nonalcoholic fatty liver disease (NAFLD)-related cirrhosis is a growing concern, potentially increasing from 1.8% to 8.0%.
- Hepatocellular carcinoma (HCC) developed in 80 patients during follow-up, associated with older age, male gender, viral etiology, and high AST levels.
Conclusions:
- HBV and HCV remain primary causes of cirrhosis and HCC.
- NAFLD-related cirrhosis represents an emerging and significant public health challenge.
- The findings highlight the need for updated strategies to address the changing landscape of cirrhosis etiology.
Background And Goals:
The aims of the present study were to investigate the natural history of cirrhosis and to determine trends in the etiology of cirrhosis.
Methods:
Between January 2001 and January 2018, a total of 1,341 patients had been diagnosed with cirrhosis and were included.
Results:
A total of 898 cirrhotic patients, who were followed up for at least 6 months were included into the analysis. The median age was 54 years. The median Child-Pugh and MELD scores were 7.5 and 11, respectively. Ascites (51%) was the most common causes of decompensation. Chronic viral hepatitis was the most frequent cause of cirrhosis (58%). Hepatitis B virus (HBV) infection was the main etiology (34%), followed by hepatitis C virus (HCV) infection (18%). Among 129 patients with cryptogenic cirrhosis (CC), 60 had metabolic abnormalities. If these 60 patients with CC were considered to have nonalcoholic fatty liver disease (NAFLD)-related cirrhosis, the proportion of NAFLD-related cirrhosis increased from 1.8 to 8.0%. At admission, 74 patients (8%) had been diagnosed with hepatocellular carcinoma (HCC). A new HCC developed in 80 patients during the follow-up period. The probability of developing HCC was 3.9% at 12 months. Logistic regression analysis showed that the development of HCC was significantly associated with older age (p < 0.001), male gender (p < 0.001), viral etiology (p = 0.026), and baseline high aspartate aminotransferase level (p = 0.01). Overall, 104 cirrhotic patients died.
Conclusion:
HBV and HCV remain the leading causes of etiology in cirrhosis and HCC. However, NAFLD-related cirrhosis is recognized as a growing burden.
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