Risk of adverse events associated with upper and lower endoscopic ultrasound: a population-based cohort study

Background and study aim Endoscopic ultrasound (EUS) enables diagnostic evaluation and therapeutic interventions but is associated with adverse events. We conducted a population-based cohort study to determine the risk of adverse events for upper and lower EUS with and without fine-needle aspiration (FNA). Patients and methods All adults who underwent EUS and resided in Calgary in 2007–2013 were included. Endoscopy and provincial databases were...