Abstract
Morbid obesity is associated with excessive daytime sleepiness and reduced health-related quality of life. We prospectively evaluated the pre- and postoperative responses of bariatric surgery recipients with the Epworth Sleepiness Scale (ESS) and the Short Form-12. Participants (n = 223; 79% women) with a mean body mass index (BMI) and ESS of 44.8 ± 7.9 kg/m2 and 7.9 ± 4.5, respectively, received a vertical gastrectomy (76%) or Roux-en-Y gastric bypass (12%). Preoperatively, 30% of patients complained of excessive daytime sleepiness (ESS > 10). Patients with preoperative excessive daytime sleepiness were more obese (p = 0.002), had higher fasting glucose levels (p = 0.02), more likely to have a diagnosis of sleep-disordered breathing (p < 0.001), report snoring (p < 0.001), and had lower health-related quality of life measures particularly physical function (p < 0.001), depression (p = 0.006), and sexual satisfaction (p = 0.04) than non-sleepy patients. At 12-months postoperatively, most patients experienced a significant reduction in BMI (28.6 ± 5.5 kg/m2, p < 0.001) and excessive daytime sleepiness (mean ESS 5.3 ± 3.3, p < 0.001). Patients with a clinically relevant improvement in the ESS at 12-months post-operatively had greater improvements in physical function (p = 0.009) and snoring (p = 0.010) and were more likely still using positive airway pressure therapy (p = 0.032) than patients without a clinically relevant improvement. Statistically and clinically significant improvements in all health-related quality of life measures were noted at 24 months. Bariatric surgery is associated with dramatic weight loss and improvements in physical functioning and daytime sleepiness.
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Acknowledgments
We thank Steve Cummings for his advice throughout this project, John Feng for his assistance with the bariatric procedures, Juliana van Cleve for her help with the data preparation, and Alice LaRocca for her administrative support. We are grateful to the bariatric patients who provided data for this study.
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The authors declare that they have no conflict of interest.
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This project was supported by a grant from the Centers of Research in Clinical Excellence (CRCLE) from California Pacific Medical Center.
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Holty, JE.C., Parimi, N., Ballesteros, M. et al. Does Surgically Induced Weight Loss Improve Daytime Sleepiness?. OBES SURG 21, 1535–1545 (2011). https://doi.org/10.1007/s11695-010-0213-0
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DOI: https://doi.org/10.1007/s11695-010-0213-0