Uvulopalatopharyngoplasty in the Sleep Apnea Syndrome: Predictors of Results

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Abstract
• A prospective study of 34 consecutive patients with the sleep apnea syndrome was undertaken to evaluate the effectiveness and complications of, and predictors of, results in a conservative type of uvulopalatopharyngoplasty (UPPP). At six months, 65% of the patients had a 50% or greater reduction in the number of apneas and hypopneas per hour (responders). The responders to UPPP were less severely affected preoperatively regarding apneas and hypopneas, the mean number of which (±SD) were 32.7 ± 20.8 compared with 64.6 ± 26.0. They also had a lower body mass index before UPPP (31.3 ± 4.1 vs 36.0 ± 7.0 kg/m2). Preoperative computed tomography and cephalometry indicated that the nonresponders had narrower upper airways. It is concluded that UPPP is the treatment of choice for mild to moderate sleep apnea syndrome, but not for severely affected, heavily overweight patients with an increased tongue width. Arch Otolaryngol Head Neck Surg 1988;114:45-51)