Fistulotomy-First Approach is Safe and Effective in Endoscopic Retrograde Cholangiography: Results of a Prospective Case Series.

In this pilot study, NKF was used as the primary biliary access technique and it was demonstrated that it appears to be at least as safe as the traditional access technique with a sphinctertome. However, its role as a primary cannulation technique requires further investigation with multicenter, randomized control studies.