Cardiorespiratory complications directly related to endoscopy: associated or not with sedation?

With the advent of routine sedation in digestive endoscopy, specifically the use of propofol, multiple reports have focused on the complications that may potentially emerge because of sedation, and whether administration is safer by anesthetists or trained gastroenterologists. Complications associated with endoscopy itself, whether diagnostic or therapeutic, have also been described. However, the fact that both upper and lower endoscopy per se may be accompanied by complications, both during the procedure or thereafter, is usually overlooked.