Witsell D L, Drake A F, Warren D W
Department of Surgery, School of Medicine, University of North Carolina, Chapel Hill 27599-7070.
Laryngoscope. 1994 Jan;104(1 Pt 1):12-5. doi: 10.1288/00005537-199401000-00004.
Seven patients who received pharyngeal flaps for velopharyngeal incompetence (VPI) were studied to assess the effect of the procedure on nasal airway size. The findings suggest that the pharyngeal flap does not significantly decrease the upper airway in all patients. The effect of the flap did not correlate with the type of cleft, and was most pronounced in the inspiratory phase of the breathing cycle. Reasons for this variable effect, assumed to be related to an already impaired nasal airway in most cleft patients, are discussed.
对7名因腭咽闭合不全（VPI）接受咽瓣手术的患者进行了研究，以评估该手术对鼻气道大小的影响。研究结果表明，咽瓣手术并不会在所有患者中显著减小上气道。咽瓣的效果与腭裂类型无关，且在呼吸周期的吸气阶段最为明显。文中讨论了这种可变效果的原因，推测这与大多数腭裂患者已受损的鼻气道有关。
