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| Evaluation of One Stage Multi-level Surgery for Severe Obstructive Sleep Apnea Hypopnea Syndrome |
| Xinxiang College of Medical， Xinxiang 453000，China |
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Abstract Objective：To explore the preoperative examination，perioperative treatment，operation treatment，postoperative treatment of multi-level surgery on severe obstructive sleep apnea hypopnea syndrome（ OSAHS） though nose，oropharyngeal，laryngeal pharynx，to improve curative effect，reduce the recurrence，prevent and reduce the
operation risk of surgery.Method：35 cases who encounter severe obstructive sleep apnea hypopnea syndrome during April 2012 to December 2013 received expansion of the nasal cavity operation，uvulopalatopharyngoplasty，palatine tonsil resection operation，chin "window""convex" shape or "trapezoid" osteotomy advancementgenioplasty and genioglossus and hyoid bone muscleadvancement genioplasty，infrahyoid cut，hyoid suspension， maintain tracheal intubation 24-48h after operation. Result：After 8- 20 months of follow up， in 35 cases， all the operations were performed successfully. 21 cases cured， 10 cases markedly effective，4 cases effective， the total efficiency was 100%.There were no sleep arousal phenomenon.Mean AHI decreased from（ 59.53±7.74）time/h preoperative to postoperative（ 13.65±4.76）time/h，
lowest mean oxygen saturation increased from（ 41.97±9.11）% to（ 90.40±4.83）% the longest apnea time decreased from（ 63.14±6.85）s to（ 23.54±6.80）s.The cases with genioplasty were satisfied with the appearance was improved.Conclusion：The one stage multi-level surgery improve curative effect， reduce the recurrence and the operation risk for the treatment of severe OSAHS.
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