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Hyoid suspension
Hyoid suspension also known as hyoid myotomy and suspension or hyoid advancement, is a surgical procedure or sleep surgery in which the hyoid bone and its muscle attachments to the tongue and airway are pulled forward with the aim of increasing airway size and improving airway stability in the retrolingual and hypopharyngeal airway (airway behind and below the base of tongue). The horseshoe shaped hyoid bone sits directly below the base of tongue with the arms of the bone flanking the airway. Hyoid suspension is typically performed as a treatment for obstructive sleep apnea (OSA). This procedure is frequently performed with a uvulopalatopharyngoplasty (UPPP) which targets sites of obstruction higher in the airway. Typically, a hyoid suspension is considered successful when the patient’s apnea-hypopnea index is significantly reduced after surgery.
== Background ==
The American Academy of Otolaryngology Head and Neck Surgery (position statement ) considers hyoid suspension “effective and non-investigational with proven clinical results when considered as part of the comprehensive surgical management of symptomatic adult patients with mild obstructive sleep apnea (OSA) and adult patients with moderate and severe OSA assessed as having tongue base or hypopharyngeal obstruction.”
The American Sleep Apnea Association (ASAA) website (describes ) hyoid suspension as a minimally invasive procedure where: “Success from this procedure has been outstanding and is becoming a valuable tool in the surgeon’s armamentarium.”
Hyo-mandibular advancement along with genioglossus advancement was originally described by in 1984.〔Riley R, Guilleminault C, Powell N, et al: Mandibular osteotomy and hyoid bone advancement for obstructive sleep apnea: a case report. Sleep 7:79-82, 1984.〕 Published clinical experience with hyoid suspension can be summarized into three different approaches to the hyoid suspension procedure: hyo-mandibular suspension, hyo-thyroid suspension, and genioglossus advancement and hyoid myotomy.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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