Development of positional obstructive sleep apnea (POSA) after upper airway surgery in OSA patients

Positional therapy (PT) has become more reliable for obstructive sleep apnea (OSA) patients with the use of new devices. The objectives of this study were to determine the preoperative prevalence of positional OSA (POSA) in our population of surgically treated patients and the proportion of patients who developed POSA after surgery and might improve with additional positional therapy. This was a retrospective study of surgically treated OSA...