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Purpose: Bariatric surgery is an established treatment of morbid obesity and effectively controls symptoms of OSAHS. The aim of this study was to evaluate impact of bariatric surgery on OSAHS. Methods: Validated Epworth Sleepiness Score (ESS) and STOPBang questionnaires were used to assess the impact of bariatric surgery on OSAHS in morbidly obese patient’s undergone bariatric surgery from May 2008 to December 2011. Change in ESS, STOPBang score, weight and BMI, co-morbidities and CPAP requirement were recorded. EMBASE, MEDLINE and COCHRANE database were searched for relevant literature. Results: 21 patients were included in the final analysis. There was a significant drop in the overall ESS and STOP-Bang scores of patients (p < 0.05). In 16 patients the symptoms of OSAHS resolved and improved in 1 patient. 89% of the patients did not require CPAP machine post operatively. 20 studies were included in the literature review. It was inferred from the literature review that within 12 months after surgery the reported improvement in OSAHS was up to 78% and between 40 to 60% resolution was reported in the long term follow up (84-144 months). Conclusion: This study and the available literature strongly support bariatric surgery as an effective treatment of OSAHS. It should be considered in morbidly obese patients alongside other measures.

Impact of Bariatric Surgery on Obstructive Sleep Apnoea in Morbidly Obese Patients; Single Centre Experience and a Literature Review