Overview
The study is a prospective evaluation of the microbial assessment in patients undergoing to ERC with naive papilla; the population includes all the indication to biliary drainage.
Eligibility
Main inclusion criteria for patient enrollment were: ability to provide an informed
consent; age >/=18 years; any benignant or malignant ERCP indication.
All subjects were excluded from the study:
- Patients who have already undergone endoscopic sphincterotomy
- Patients unable to express informed consent
- Pregnant or breastfeeding women
- Patients with anatomical post-surgical alterations of the upper gastrointestinal (GI) tract