• Hillel D Ephros, Mansoor Madani, and Sumitra C Yalamanchili.
• Oral & Maxillofacial Surgery & Department of Dentistry, St Joseph's Regional Medical Center, Paterson, NJ, USA.
• Indian J Med Res. 2010 Feb 1; 131: 267-76.

AbstractObstructive sleep apnoea (OSA) syndrome is a potentially serious disorder affecting millions of people around the world. Many of these individuals are undiagnosed while those who are diagnosed, often exhibit poor compliance with nightly use of continuous positive airway pressure (CPAP), a very effective nonsurgical treatment. Various surgical procedures have been proposed to manage and, in some cases, treat OSA. In this article we review methods used to assess the sites of obstruction and a number of surgical procedures designed to address OSA. Effective surgical management of OSA depends upon developing a complete database and determining different levels of obstruction, which may include nasal, nasopharyngeal, oropharyngeal, and hypopharyngeal/retrolingual, or a combination of these sites. A systematic approach to clinical evaluation, treatment planning and surgical management is recommended and is likely to result in more predictable outcomes. Surgical treatment may involve various procedures that are performed in different stages depending on the patient's sites of obstruction. The most commonly performed procedures include nasal reconstruction, uvulopalatopharyngoplasty (UPPP), advancement genioplasty, mandibular osteotomy with genioglossus advancement, and hyoid myotomy and suspension. In more severe cases, maxillomandibular advancement (MMA) with advancement genioplasty may be indicated. Even after appropriate surgical treatment, some patients may demonstrate continued obstruction with associated symptoms. Published indications for surgical treatment include an elevated respiratory disturbance index (RDI) with excessive daytime somnolence (EDS), oxygen desaturations below 90 per cent, medical co-morbidities including hypertension and arrhythmias, anatomic abnormalities of the upper airway and failure of medical treatment. The success of surgery in OSA is generally measured by achieving a (RDI) of less than 5, improvement of oxygen nadir to 90 per cent or more with no desaturations below 90 per cent and quality of life improvements with elimination or significant reduction of OSA symptoms. From a practical point of view, achieving these goals may be extremely difficult without patients' cooperation, most notably in the realm of weight loss and maintenance of a healthy lifestyle.

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