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Five patients were treated by inferior sagittal osteotomy and hyoid myotomy‐suspension. In three of the patients, palatopharyngoplasty had previously failed. One of the patients was noted to have mandibular deficiency; the others had normal skeletal development. Nocturnal polysomnograms were performed preoperatively and postoperatively. All patients showed significant improvement.
Riley et al. (Sun,) studied this question.