The increased sympathetic activation that occurs in OSAS may play an important role in associated cardiovascular diseases.Treatment of OSAS by UPPP significantly reduced the parameters of ANS.

• 结论OSAS患者存在自主神经功能紊乱，有效的治疗可以改善自主神经的异常活动，有助于预防一些心血管并发症的发生。