Avoiding the complications of endoscopic retrograde cholangiopancreatography

To review the literature within the past 5 years on risk factors and prophylactic measures for avoiding the complications of endoscopic retrograde cholangiopancreatography (ERCP), including post-ERCP pancreatitis (PEP), post-ERCP cholangitis, bleeding, and perforation.

Despite advances in endoscopic technique and numerous clinical trials, complications of ERCP still occur frequently, particularly PEP. Recent findings are concentrated in the PEP domain and include the following: the discovery of pancreatic steatosis as a potential novel risk factor, machine learning models to predict PEP, combination prophylactic strategies including rectal NSAIDs, aggressive intravenous fluid hydration and pancreatic duct stents, potential novel pharmacotherapies, and enhanced endoscopic techniques for difficult biliary cannulation.

Endoscopists should be familiar with the complications of ERCP and prophylactic strategies. PEP carries a significant morbidity and economic burden, but its occurrence is par for the course when performing ERCP. Future studies should concentrate on elucidating further the pathophysiology of PEP and predicting cases that result in severe complications (severe if hospitalization was greater than 10 days along with the presence of pseudocyst, pancreatic necrosis, need for percutaneous drainage or surgery, or death).