Objective: In order to investigate the treatment of obstructive sleep apnea syndrome (OSAS) METHOD: The improved uvulopalatopharyngoplasty (UPPP) operations were performed on 64 cases.
Result: The clinical results showed that 70. Thirty-one percent of the operated patients somewhat improved and 29. Seventy percent unimproved.
Conclusion: UPPP is one of the effective methods to treat OSAS, especially for OSAS with stricture in pharyngeal cavity. It has less damage, less operative complications and so on.