Risk Factors for Post-Endoscopic Retrograde Cholangio-Pancreatography Pancreatitis in Children With Chronic Pancreatitis and Its Prediction Using 4-Hour Postprocedure Serum Amylase and Lipase Levels.
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引用次数: 0
Abstract
Background: Post-endoscopic retrograde cholangio-pancreatography pancreatitis (PEP) is seen in 3% to 16% of children undergoing therapeutic endoscopic retrograde cholangio-pancreatography (ERCP). We evaluated the risk factors of PEP and utility of 4-hour post-ERCP amylase and lipase for early prediction of PEP in children with chronic pancreatitis (CP).
Materials and methods: Thirty children with CP (boys 20, 14.3 [interquartile range, 9.3-16] years) who underwent 62 ERCP procedures were studied. Clinical and procedural details with outcome were noted. Serum amylase and lipase were measured before, 4 hours, and 24 hours after ERCP. Multivariate analysis was done to identify risk factors for PEP. Cutoff scores of 4-hour amylase and lipase were identified.
Results: PEP occurred in 14.5% (9/62) of ERCP procedures (mild, 8; moderate, 1) with no mortality. On univariate analysis, endoscopic sphincterotomy ( P = 0.04), difficult cannulation ( P = 0.004), and prior PEP ( P = 0.036) were risk factors, while prior ERCP ( P = 0.04) was protective. Difficult cannulation (odds ratio, 5.83; 95% confidence interval, 1.329-25.592) was the independent risk factor on multivariate analysis overall and for first ERCP session alone. Amylase >3.3 times upper limit of normal (ULN) and lipase of >5 times ULN at 4 hours had best sensitivity and specificity for diagnosis of PEP. All cases with PEP were symptomatic by 6 hours and none had amylase/lipase <3 ULN at 4 hours. Amylase/lipase of <3 ULN at 4 hours could exclude PEP with good sensitivity (100%) and specificity (76% and 81%, respectively).
Conclusions: PEP occurred in 14.5% of procedures in children with CP, with difficult cannulation being the independent risk factor. Asymptomatic patients with 4-hour amylase/lipase <3 times ULN can be safely discharged.
期刊介绍:
Pancreas provides a central forum for communication of original works involving both basic and clinical research on the exocrine and endocrine pancreas and their interrelationships and consequences in disease states. This multidisciplinary, international journal covers the whole spectrum of basic sciences, etiology, prevention, pathophysiology, diagnosis, and surgical and medical management of pancreatic diseases, including cancer.