• Tajender S Vasu, Karl Doghramji, Rodrigo Cavallazzi, Ritu Grewal, Amyn Hirani, Benjamin Leiby, Dimitri Markov, David Reiter, Walter K Kraft, and Thomas Witkowski.
• Division of Pulmonary and Critical Care Medicine, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA. tajender.vasu@jeffersonhospital.org
• Arch. Otolaryngol. Head Neck Surg. 2010 Oct 1;136(10):1020-4.

ObjectiveTo determine whether high risk scores on preoperative STOP-BANG (Snoring, Tiredness during daytime, Observed apnea, high blood Pressure, Body mass index, Age, Neck circumference, Gender) questionnaires during preoperative evaluation correlated with a higher rate of complications of obstructive sleep apnea syndrome (OSAS).DesignHistorical cohort study.SettingThomas Jefferson University Hospital, Philadelphia, Pennsylvania.PatientsAdult patients undergoing elective surgery at a tertiary care center who were administered the STOP-BANG questionnaire for 3 consecutive days in May 2008.Main Outcome MeasuresNumber and types of complications.ResultsA total of 135 patients were included in the study, of whom 56 (41.5%) had high risk scores for OSAS. The mean (SD) age of patients was 57.9 (14.4) years; 60 (44.4%) were men. Patients at high risk of OSAS had a higher rate of postoperative complications compared with patients at low risk (19.6% vs 1.3%; P < .001). Age, American Society of Anesthesiologists class of 3 or higher, and obesity were associated with an increased risk of postoperative complications. On multivariate analysis, high risk of OSAS and American Society of Anesthesiologists class 3 or higher were associated with higher odds of complications.ConclusionThe STOP-BANG questionnaire is useful for preoperative identification of patients at higher than normal risk for surgical complications, probably because it identifies patients with occult OSAS.

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