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Pancreatic involvement in chronic viral hepatitis
Yoshiki Katakura1, Hiroshi Yotsuyanagi, Kiyoe Hashizume
1Division of Gastroenterology and Hepatology, Department of Internal Medicine, St. Marianna University School of Medicine, 2-16-1, Sugao, Miyamae-ku, Kawasaki 216-8511, Japan.
World Journal of Gastroenterology
|June 18, 2005
Summary
Elevated pancreatic enzyme levels are common in chronic viral hepatitis and increase with liver disease severity. Pancreatic issues, often asymptomatic, may be an extrahepatic sign of viral hepatitis.
Area of Science:
- Hepatology
- Gastroenterology
- Biochemistry
Background:
- Chronic viral hepatitis (Hepatitis B and C) can affect multiple organ systems.
- Extrahepatic manifestations are recognized complications of chronic viral hepatitis.
- Pancreatic involvement in viral hepatitis requires further elucidation.
Purpose of the Study:
- To determine the prevalence and clinical features of pancreatic disorders in patients with chronic viral hepatitis.
- To compare pancreatic enzyme levels and imaging findings between patients with chronic viral hepatitis and healthy controls.
- To investigate the relationship between liver disease progression and pancreatic enzyme levels.
Main Methods:
- Prospective study design.
- Assessment of serum pancreatic enzyme levels (total amylase, salivary amylase, pancreatic amylase, lipase).
- Evaluation of imaging findings (e.g., ultrasound, CT, MRI) for pancreatic abnormalities.
- Comparison with healthy control subjects.
Main Results:
- Patients with chronic viral hepatitis exhibited higher serum amylase (total and pancreatic) and lipase levels compared to controls.
- Asymptomatic viral carriers showed elevated total serum amylase only.
- Pancreatic enzyme levels correlated positively with the progression of liver disease in Hepatitis B and C patients.
- Chronic pancreatitis was diagnosed in only 0.5% of patients.
- No significant difference in enzyme levels was observed between Hepatitis B and C patients at similar disease stages.
Conclusions:
- Serum pancreatic enzyme levels increase with liver disease severity in chronic viral hepatitis.
- Pancreatic disorders are frequently asymptomatic and may represent an extrahepatic manifestation of chronic viral hepatitis.
- Routine monitoring of pancreatic enzymes may be beneficial in managing patients with chronic viral hepatitis.