Correlation between oxygen therapy and the STOP-BANG score in abdominal surgery under regional anesthesia

Introduction: Oxygen therapy is essential in patients at risk of postoperative desaturation. The STOP-BANG questionnaire identifies respiratory risk factors such as hypoxia. In addition, the type of surgery and anesthesia may influence the need for supplemental oxygen during the postoperative period. Objective: The aim of this study was to correlate the oxygen therapy dose with the STOP-BANG score in postoperative patients undergoing open cholecystectomy and umbilical plasty under regional anesthesia. Materials and methods: A descriptive, observational and prospective study was carried out at the Hospital General de Zona No. 20 “La Margarita”, in Puebla. We included 201 patients over 18 years of age, to whom we applied the STOP-BANG questionnaire and evaluated the oxygen flow required in the postoperative period. Results: The results showed significant differences between both groups. Patients with open cholecystectomy had higher STOP-BANG scores and higher oxygen requirement compared to those undergoing umbilical plasty (p=0.000). Chi-square test confirmed this significant association. Conclusion: There is a correlation between the STOP-BANG score and the need for oxygen therapy, being higher in patients with open cholecystectomy. The use of STOP-BANG could be useful to anticipate postoperative oxygen needs and improve clinical management.