Clinical efficacy of the brachial plexus via posterior approach for orthopedic surgery

Abstract

The study was submitted and approved by the Ethics Research Committee (Number 05787/2014) and all patients were explained the method and obtained their consent by signing the informed consent form. The study was conducted between January 2015 to December 2018 with 50 patients of physical status I and II (ASA) of both sexes who underwent elective clavicle, shoulder and proximal humeral procedures in beach chairs associated with general anesthesia. The protocol was registered in the Brazil Platform (CAAE: 33373214.1.0000.5179). As part of Program ACERTO, all patients drank a single 200 mL liquid oral hypercaloric nutritional supplement (1.5 Kcal /mL) without residue, clarified and without addition of lipid and fiber (Fresubin Jucy®) about 2 to 4 hours before surgery. The sample size was based on the conservative calculation the population size of 95% and with a margin of error of 10%, obtaining the number of 50 patients, ages 18 to 60 years, weighing 60 to 80 kg, 160 to 180 cm tall.