A long-term study of patients who had upper airway surgery has confirmed the benefits for better management of moderate to severe sleep apnea for people who failed to adapt or are not suited to continuous positive pressure airway (CPAP) therapy, say experts. Follow-up checks with 36 of the first 48 patients who had Sleep Apnea Multi-Level Surgery (SAMS)—which involves repositioning the palate along with minimally invasive tongue volume reduction to increase upper airway flow—found consistently positive improvement in their sleep apnea symptoms up to three years later, according to research. "The benefits include less disrupted sleep and daytime drowsiness, less...