Residual OSAHS after surgery were attributable to obesity, achondroplasia, upper airway structure anomaly and airway dynamic problems.

• 手术后仍有OSAHS表现的主要原因是肥胖、骨软骨发育不良、上气道解剖结构异常以及维持气道开放的神经肌肉功能异常。