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Risk factors associated with biliary pancreatitis in children
Michael H Ma1, Harrison X Bai, Alexander J Park
1Department of Pediatrics, Yale University School of Medicine, New Haven, CT 06520, USA.
Insights
Hispanic children have a higher risk of biliary pancreatitis. Obesity helps distinguish gallstone from sludge causes, while aspartate aminotransferase indicates biliary pancreatitis in children.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Pancreatology
Background:
- Biliary pancreatitis in children is not well understood.
- Risk factors and distinguishing features require further characterization.
Purpose of the Study:
- To identify risk factors for pediatric biliary pancreatitis.
- To compare biliary with nonbiliary pancreatitis cases.
- To differentiate gallstone- from sludge-induced pancreatitis.
Main Methods:
- Retrospective analysis of 76 pediatric biliary pancreatitis cases from 271 acute pancreatitis cases (1994-2007).
- Comparison of demographic, clinical, and laboratory data between biliary and nonbiliary pancreatitis.
- Logistic regression analysis to identify predictors.
Main Results:
- Gallstones (55%), sludge (21%), and structural defects (24%) were identified causes.
- Hispanic children showed significantly higher odds for biliary pancreatitis.
- Elevated aspartate aminotransferase was an independent predictor of biliary pancreatitis.
- Obesity was more prevalent in gallstone-induced cases compared to sludge-induced cases.
Conclusions:
- Hispanic ethnicity is a significant risk factor for pediatric biliary pancreatitis.
- Aspartate aminotransferase serves as a potential biomarker.
- Obesity can help differentiate gallstone from sludge etiology, guiding management.
Objectives:
Little is known about risk factors for biliary pancreatitis in children. We characterized cases of pediatric biliary pancreatitis, compared biliary with nonbiliary cases, examined differences in presentation between younger and older children, and studied features distinguishing gallstone- from sludge-induced pancreatitis.
Methods:
We evaluated 76 episodes of biliary pancreatitis from 271 cases of acute pancreatitis in children admitted to a tertiary care hospital from 1994 to 2007.
Results:
Of the 76 cases, 55% had gallstones, 21% had sludge, and 24% had structural defects. Hispanic children had 2.85 (P = 0.01) and 5.59 (P = 0.003) times higher probability for biliary pancreatitis than white and black children, respectively. Median serum amylase and lipase in children with biliary pancreatitis were 64% and 49% higher, respectively, compared with other causes (P < 0.05). In multiple logistic regression, aspartate aminotransferase was an independent predictor of biliary pancreatitis (odds ratio 6.69, P = 0.001). When comparing gallstone- with sludge-induced causes, obesity was an independent predictor (38% more prevalent, P < 0.01) of gallstone cases.
Conclusions:
Hispanic ethnicity is a risk factor and aspartate aminotransferase is a biomarker for biliary pancreatitis over other causes. Furthermore, obesity can distinguish gallstone- from sludge-induced pancreatitis. These findings may spur prospective studies to determine the optimal evaluation and management of children with biliary pancreatitis.
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