Evaluation of the effect of pre-operative over-fasting on post-operative vomiting in children undergoing bone marrow aspiration at a tertiary care setting in Sri Lanka: A prospective cohort study.

Background And Aims: Non-adherence to standard fasting guidelines may result in perioperative complications. We aimed to determine the association between pre-operative over-fasting and post-operative vomiting amongst children undergoing bone marrow aspiration under general anaesthesia.

Methods: A prospective cohort study was conducted from May 2015 to April 2016 in children undergoing bone marrow aspiration under general anaesthesia and their caregivers.