Current state of biliary cannulation techniques during endoscopic retrograde cholangiopancreatography (ERCP): International survey study

Author:

Kouanda Abdul1ORCID,Bayudan Alexis1,Hussain Azhar2,Avila Patrick1,Kamal Faisal3ORCID,Hasan Muhammad Khalid4,Dai Sun-Chuan1,Munroe Craig1,Thiruvengadam Nikhil5,Arain Mustafa A6

Affiliation:

1. Gastroenterology, University of California San Francisco Medical Center at Parnassus, San Francisco, United States

2. Medicine, Ameer-ud-Din Medical College of PGMI, Lahore, Pakistan

3. Gastroenterology, University of Tennessee Health Science Center, Memphis, United States

4. Center for Interventional Endoscopy, Florida Hospital Orlando, Orlando, United States

5. Medicine, Loma Linda University, Loma Linda, United States

6. Center for Interventional Endoscopy, AdventHealth Orlando, Orlando, United States

Abstract

Abstract Background and study aims Endoscopist techniques affect biliary cannulation success and the risk of adverse events during endoscopic retrograde cholangiopancreatography (ERCP). This survey study aims to understand the current practice of biliary cannulation techniques among endoscopists. Methods Practicing endoscopists were sent an anonymous 28-question electronic survey on biliary cannulation techniques and intraprocedural pancreatitis prophylactic strategies. Results The survey was completed by 692 endoscopists (6.2% females). A wire-guided cannulation technique (WGT) was the preferred initial biliary cannulation approach (95%). The preferred secondary approaches were a double-wire (DWT) (65.8%), precut needle-knife technique (NKT) (25.7%), transpancreatic sphincterotomy (5.9%) or other (2.6%). Overall, 18.1% of respondents were not comfortable with NKTs. In the setting of pancreatic duct (PD) access, 81.9% and 97% reported a threshold of three or more wire passes or contrast injections into the PD, respectively, before changing strategy, 34% reported placement of a prophylactic PD stent <50% of the time and 12.1% reported removal of the PD stent at the end of the procedure. Advanced endoscopy fellowship (AEF) training and high volume (>200 ERCPs per year) were associated with comfort with precut NKTs and likelihood of prophylactic PD stent (P<0.001 for both). Conclusions A WGT technique followed by the DWT and NKT were the preferred biliary cannulation techniques; however, almost one-fifth of respondents were not comfortable with the NKT. There was considerable variability in secondary cannulation approaches, time spent attempting biliary cannulation and prophylactic PD stent placement, factors known to be associated with cannulation success and adverse outcomes.

Publisher

Georg Thieme Verlag KG

Subject

Obstetrics and Gynecology

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