Anterolateral advancement palatoplasty with tonsillectomy for retropalatal obstruction in selected cases of obstructive sleep apnea.

Purpose: This study tried to assess the surgical outcome of anterolateral advancement palatoplasty (ALP) with simultaneous tonsillectomy for the treatment of retropalatal obstruction in selected cases of obstructive sleep apnea (OSA).

Methods: In this clinical trial, 22 adult OSA patients having predominant retropalatal collapse were managed by ALP and tonsillectomy.Thirteen patients had positional OSA (PP) and 9 patients had non-positional (NPP).