Changes in obstructive sleep apnea severity, biomarkers, and quality of life after multilevel surgery

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Abstract
Objectives/Hypothesis: To evaluate the impact of multilevel obstructive sleep apnea surgical treatment on sleep‐disordered breathing severity, health‐related measures, and quality of life, and to examine the association between changes in sleep‐disordered breathing severity and these other outcomes.Study Design: Prospective cohort study.Methods: Subjects with obstructive sleep apnea unable to tolerate positive airway pressure therapy and with evidence of multilevel (palate and hypopharynx) obstruction underwent uvulopalatopharyngoplasty, tonsillectomy, and genioglossus advancement, with or without hyoid suspension. All subjects had preoperative and postoperative study assessments, including blood draw for C‐reactive protein, interleukin‐6, homocysteine, homeostasis model of insulin resistance, and leptin, and evaluation with the Functional Outcomes of Sleep Questionnaire.Results: Thirty subjects underwent multilevel surgical treatment. The mean apnea‐hypopnea index decreased from 44.9 ± 28.1 to 27.8 ± 26.4 events/hour (P = .008). Thirteen (43%) subjects in this heterogeneous sample achieved a response to surgery (defined as an apnea‐hypopnea index reduction of ≥50% to an absolute level 32 kg/m2. Responders had decreased C‐reactive protein levels that were independent of changes in body weight. Laryngoscope, 2010

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