• B A Senior, L Rosenthal, A Lumley, R Gerhardstein, and R Day.
• Department of Otolaryngology-Head and Neck Surgery, University of North Carolina at Chapel Hill, 27599-7070, USA.
• Otolaryngol Head Neck Surg. 2000 Sep 1; 123 (3): 179-82.

ObjectivesUvulopalatopharyngoplasty (UPPP) is widely used as a first-step procedure for the surgical management of obstructive sleep apnea (OSA) syndrome but best manages obstruction occurring at the level of the oropharynx alone and not the hypopharynx. Previous publications have noted mediocre results with use of this procedure in unselected patients with OSA, but less clear is the effectiveness of this procedure in the unselected patient with mild OSA (respiratory event index [REI] 5-25). Using objective and subjective criteria, we retrospectively analyzed the results of UPPP in patients with mild OSA.MethodsWe examined 37 patients with mild OSA (REI 13.5 +/- 5.1, range 5.6-23.1) who had been operated on during 1996 with UPPP with or without tonsillectomy and/or septoplasty. Follow-up polysomnography was obtained in 25 (68%) an average of 40.5 weeks after surgery and compared with findings before surgery. Subjective assessment of sleepiness was performed with the Sleep-Wake Activity Inventory.ResultsTen patients (40%) had a postoperative reduction in the REI of more than 50%, comparable with the improvements reported in those with more severe apnea. Those who did not have a reduction in REI after surgery actually saw an increase in average REI from 16.6 +/- 5 to 26.7 +/- 18.4. Similarly, subjective assessment of sleepiness with the Sleep-Wake Activity Inventory showed no statistically significant improvement after surgery.ConclusionOverall, these results indicate that UPPP alone in the unselected patient provides little benefit in the management of mild OSA, similar to findings for more severe OSA. Surgeons must use great care in discerning the level of obstruction in the patient with mild OSA to tailor the appropriate retropalatal and/or retrolingual procedures and thereby achieve excellent surgical outcomes.

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