GDS

ADS

Total Patients

981

98

Male

392 (39.96%)

46 (46.94%)

P = 0.196

Female

589 (60.04%)

52 (53.06%)

Average Age

61.7

53.95

Papillary Access Achieved

946

96

Deep Cannulation Success

850 (89.85%)

86 (89.58%)

P = 0.861

Cotton Complexity 1

Deep cannulation of duct of interest, main papilla, sampling Biliary stent removal/exchange

13.05%

17.35%

P = 0.082

Cotton Complexity 2

Biliary stone extraction < 10 mm, treat biliary leaks, treat extrahepatic strictures, place prophylactic pancreatic stents

72.48%

61.22%

Cotton Complexity 3

Biliary stone extraction > 10 mm, minor papilla cannulation in divisum, and therapy, remove internally migrated biliary stents, intraductal imaging, biopsy, FNA, manage acute or recurrent pancreatitis, treat pancreatic strictures, remove pancreatic stones mobile and <5 mm, treat hilar tumors, treat benign biliary structures, hilum and above, manage suspected sphincter of Oddi dysfunction

13.97%

21.43%

Cotton Complexity 4

Remove internally migrated pancreatic stents, intraductal image-guided therapy, pancreatic stones impacted and/or >5 mm, Intrahepatic stones, pseudocyst drainage, necrosectomy, ampullectomy, ERCP after Whipple or Roux-en-Y

0.51%

0.0%