Evaluating the effect of reducing preoperative clear fluid fasting time on hemodynamic status and risk of aspiration in 2-6 years old children

Abstract

Children are prone to anxiety and weakness due to the fact that their daily diet changes before surgery, and one of the causes of discomfort before surgery in children is fasting. The purpose of this study is to investigate the use of strained liquids up to one hour before surgery and compare it with patients who were kept fasting in a traditional way.

Methods: After entering the operating room, monitoring and induction of anesthesia were performed in the presence of one of the parents. The hemodynamic status of the child was recorded during the operation. The incidence of any complications including nausea and vomiting during induction was recorded. The induction method was the same for all studied children and included fentanyl 1-2 micrograms per 1 kg of patient weight, propofel 4-5 mg/kg, atracurium 0.5 mg/kg and midazolam 0.03 mg/kg, and then intubation with the appropriate size was performed. At the end of the operation and during the recovery phase, the occurrence of any signs of aspiration, such as hearing a crackle or wheezing in the lungs, a cough that does not respond to treatment, and the presence of severe respiratory symptoms were recorded, and if any of Chest x-ray was taken for these symptoms. Follow-up of patients continued after transfer to the ward. For the control group, patients were used in which the old and common NPO method was implemented.

Results: In examining the patients in both groups, no significant difference was observed between the two groups in terms of age. There was no significant difference in the systolic and diastolic blood pressure of the patients in the two groups before, during and after the surgery. In examining the heart rate of the patients in the two groups, no significant difference was found before surgery and during and after surgery. In the examination of possible side effects, which included vomiting, cough, surface breathing, rales, wheezing, and chest pain, no significant difference was observed in the comparison of the two groups.