We evaluated the apnea index (AI), the oxygen saturation above 95% (SA95), the lowest oxygen saturation (LSAT), and snoring before and after laser-assisted uvulopalatoplasty (LAUP) in 106 patients with obstructive sleep apnea syndrome (n=59) or snoring (n=47). Type 1 LAUP was performed in 42 patients and type 2 LAUP in 64 patients. A 50% or greater reduction in AI was observed in 15 patients (35.7%) who underwent type 1 LAUP and 37 patients (57.8%) who underwent type 2 LAUP. Snoring was diminished in 18 (51.4%) of 35 patients who underwent type 1 LAUP and 30 (55.6%) of 54 patients who underwent type 2 LAUP. SA95 and LSAT showed no difference. No serious complications such as significant bleeding, postoperative episodes of asphyxia, nasopharyngeal stenosis, or nasal regurgitation were observed. LAUP was an effective outpatient treatment.
With the advantage of less bleeding and our accumulated experience of using the Nd :YAG laser for head and neck surgery, we applied the laser assisted uvulo palatoplasty (LAUP). Between February 1994 and September 1994, 241 patients, 184 male and 57 female, with
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