Researchers suggest that you continue and maintain any sleep apnea therapies you follow even after you have had bariatric surgery or weight loss.
The majority of patients under observation for study still needed their CPAP machines despite having lost weight :
“Our research confirmed that weight loss is associated with reduction in OSA, but it’s a complex relationship. The effects vary greatly between individuals. It seems that the largest improvement in OSA, is associated with mild to moderate, rather than extreme weight loss.”
About 60 obese patients were randomized betwee 2006-2009 at the University of Melbourne, Australia. The patients had body mass index of between 33 and 55.