Chronic pancreatitis (CP) can manifest characteristic pathological modifications such as pancreatic duct stenosis and pancreatic duct lithiasis. The endoscopic access to the main pancreatic duct through the major duodenal papilla is prevalently recognized as the most preponderant approach for endoscopic treatment of CP. Given that a multitude of CP patients are accompanied by main pancreatic duct stricture and distortion, certain patients encounter failure in main papilla angiography or are unable to achieve deep cannulation of the pancreatic duct, thus necessitating endoscopic retrograde accessory pancreatic ductography via the accessory papilla to augment the success rate of endoscopic drainage. Presently, there lacks a large - scale case report concerning the proportion of patients receiving main and accessory pancreatic ductography treatment and the safety and efficacy of endoscopic retrograde accessory pancreatic ductography in the treatment of CP. This study endeavors to establish a prospective cohort to document the proportion of CP patients undergoing main and accessory pancreatic duct angiography treatment and their clinical features during the initial endoscopic retrograde pancreatography (ERP). The main analysis centers on identifying the predictive factors for resorting to accessory pancreatic duct treatment subsequent to the failure of primary pancreatic duct angiography and assessing the safety and efficacy of endoscopic retrograde accessory pancreatic ductography in the treatment of CP.
Age range
18 Years – 70 Years
Sex
ALL
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Success rate of accessory pancreatic ductography.
Timeframe: during ERCP procedure