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Myths and Facts

Yehuda Finkelstein, MD; Gideon Stein, MD; Dov Ophir, MD; Rachel Berger, BA; Gilead Berger, MD

Arch Otolaryngol Head Neck Surg. 2002;128:429-434.

Objective  To assess medium- to long-term subjective and objective results of laser-assisted uvulopalatoplasty (LAUP) for patients with obstructive sleep apnea.

Design  A nonrandomized prospective before-after trial.

Subjects and Interventions  Twenty-six patients underwent LAUP by means of vertical trenches along either side of the uvula and reduction of the uvula.

Main Outcome Measures  Subjective analysis included a preoperative and 2 postoperative evaluations of the state of snoring: 4 weeks and a mean ± SD of 12.3 ± 9.1 months after completion of treatment. In addition, a score on 5 other sleep-related symptoms was recorded before treatment and after 12.3 ± 9.1 months; at that time, patients also estimated their overall satisfaction with the procedure. Objective analysis included preoperative polysomnographic studies that were repeated postoperatively.

Results  A significant decline in snoring improvement from 88% (23/26) to 65% (17/26) was recorded; furthermore, the state of snoring worsened from 4% (1/26) to 12% (3/26). Reevaluation of 5 other sleep-related symptoms after completion of LAUP uncovered a 50% improvement rate (13/26), and a 15% (4/26) worsening rate. Overall satisfaction from the procedure was 58% (15/26). Postoperative objective studies revealed that only 31% (8/26) of the procedures were successful, while 31% were associated with worsening of respiratory disturbance index. Fifty-four percent (14/26) of the patients had a sensation of pharyngeal dryness. In addition, 1 patient developed velopharyngeal stenosis.

Conclusions  The favorable subjective short-term results of LAUP deteriorated in time. Postoperative polysomnography revealed that LAUP might lead to deterioration of existing apnea. These findings are probably related to velopharyngeal narrowing and progressive palatal fibrosis inflicted by the laser beam.

From the Palate Surgery Unit (Dr Finkelstein) and the Department of Otolaryngology–Head and Neck Surgery, Meir Hospital, Sapir Medical Center, Kfar Saba (Drs Finkelstein, Stein, Ophir, and Berger and Ms Berger), and the Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv (Drs Finkelstein, Stein, Ophir, and Berger and Ms Berger), Israel.

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