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Gastric Bypass is Effective for Obstructive Sleep Apnea

How Surgery Helps Sleep Disorder

Obesity Surgery Advice - Research Into Obesity Surgery

Gastric Bypass is an Effective Treatment for Obstructive Sleep Apnea in Patients with Clinically Significant Obesity

We have demonstrated that obstructive sleep apnea (OSA) is prevalent in 60% of patients undergoing bariatric surgery. A study was conducted to determine whether weight loss following bariatric surgery ameliorates sleep apnea.

Method

All 100 consecutive patients with symptoms of OSA were prospectively evaluated by polysomnography before gastric bypass. Preoperative and postoperative scores of Epworth Sleepiness Scale (ESS), Respiratory Disturbance Index (RDI), and other parameters of sleep quality were compared using t-test.

Results

Preoperative RDI was 40 +/- 4 (normal 5 events/hour, n = 100). 13 patients had no OSA, 29 had mild OSA, while the remaining 58 patients were treated preoperatively for moderate-severe OSA. At a median of 6 months follow-up, BMI and ESS scores improved. To date, 11 patients have completed postoperative polysomnography (3-21 months) after losing weight. There was significant improvement in ESS, minimum O2 saturation, sleep efficiency, postop vs preop; and RDI. Regression analysis demonstrated no correlation between preoperative BMI, ESS score and the severity of OSA; and no correlation between % excess body weight loss and postoperative RDI.

Conclusion

Weight loss following gastric bypass results in profound improvement in obstructive sleep apnea.The severity of apnea cannot be reliably predicted by preoperative BMI and ESS; therefore, patients with symptoms of obstructive sleep apnea should undergo polysomnography.

Source:
Rasheid S, Banasiak M, Gallagher SF, Lipska A, Kaba S, Ventimiglia D, Anderson WM, Murr MM. Department of Surgery, Interdisciplinary Obesity Group, University of South Florida, College of Medicine, Tampa, FL, USA.

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Laparoscopic or open bariatric surgery, such as gastric banding or bypass is not an easy solution to morbid obesity and weight loss. It is a serious surgical procedure, involving health risks. To produce lasting weight loss it requires a long-term patient commitment to eating a healthy diet and following a regular program of physical exercise. Life-long use of nutritional supplements may also be necessary. So, before deciding, discuss your options fully with your doctor. © 2003-2017 Bariatric-Surgery.Info - Terms - Contact - Information - Resources