Research Study on Preventing Acute Pancreatitis Following Endoscopic Retrograde Cholangiopancreatography

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Introduction Acute pancreatitis following endoscopic retrograde cholangiopancreatography (ERCP) appears to be the most frequent major complication, occurring in 1-10% of patients overall, with a mortality rate ranging from 0.2-0.6% and an annual healthcare expenditure cost reaching $150 million in USA alone (1) (2). Several risk factors have been reported to play a role in ERCP-induced pancreatitis; some are patient-related (i.e. sphincter of Oddi dysfunction (SOD), female gender, history of pancreatitis, pancreatic acinar opacification), while others are procedure-related (i.e. precut or needle-knife endoscopic sphincterotomy, repeated pancreatic duct injection, difficult cannulation), and this may be useful in stratifying patients into low-risk or and high-risk categories (3). The exact mechanism that leads to post-ERCP pancreatitis (PEP) is not fully established;however, , but it is suggested that, once the inflammatory cascade is initiated, it promotes intraluminal activation of proteolytic enzymes, autodigestion of the pancreas, impaired acinar secretion and synthesis of chemokines and proinflammatory cytokines, augmenting the inflammatory process. Given the severity of pancreatitis, attempts to interrupt one or more of these critical steps were made in order to prevent this complication (4). Therefore, more than 35 pharmacological agents have been studied, but to date no medication is being constantly used in wide clinical practice. Multiple studies have demonstrated the prophylactic effect of rectal declophenate (5-9) and rectal indomethacin (10, 11) or combined diclophenate and indomethacin (12), but no studies have evaluated the prophylactic effect of oral NSAIDs. On the other hand, Almeida et al demonstrated data on the ... ... middle of paper ... ...ia from one side and incidence of PEP (curve 1). In a separate analysis we divided the patients to 2 groups, a group that used Proton pump inhibitor (omeprazole) and the control group; we found that out of 98 patients, 7 patients had PEP (5 sever, 1mild, 1 moderate) compared to 91patients that did not use PPI had 5 PEP. P value =0.7703 We found that out of 22 patients had stone removed during the ERCP, 11 used balloon to remove the stone, and While 10 patients used basket and mechanical tools to remove the stones. Out of 22 patients 15 had multiple stone removal less than 1 cm, On the other hand out of the 7 patients with stone more than 1cm. Balloon dilation of biliary sphincter (n=28) in most of the patient Dilatation caliber (9*12)-(10*12) mm, Biliary stent placement isn made of plastic caliber ranging from 10-French 5-cm to 9-French 7-cm in 45 ERCP.

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