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  • Title: Z-palatopharyngoplasty plus genioglossus advancement and hyoid suspension for obstructive sleep apnea hypopnea syndrome.
    Author: Yi HL, Sun XQ, Chen B, Zhang YJ, Guan J, Wu HM, Meng LL, Yin SK.
    Journal: Otolaryngol Head Neck Surg; 2011 Mar; 144(3):469-73. PubMed ID: 21493215.
    Abstract:
    OBJECTIVE: To explore the feasibility and efficiency of Z-palato-pharyngoplasty (ZPPP) plus genioglossus advancement and hyoid suspension (GAHM) for severe obstructive sleep apnea hypopnea syndrome (OSAHS). STUDY DESIGN: Case series with planned data collection. SETTING: A university medical center. SUBJECTS AND METHODS: Twenty-six patients who had OSAHS with Friedman obstructive sleep apnea stage II/III and posterior airway space <11 mm received GAHM and ZPPP. All patients were reevaluated 6 months after surgery using the preoperative methods. RESULTS: Based on success criteria, defined as an apnea-hypopnea index (AHI) of <20 and a decrease >50%, the success rate was 46.2% at 6 months postoperatively. The AHI showed a significant reduction from 65.6 ± 17.6 preoperatively to 30.1 ± 23.1 postoperatively. The percentage of time with oxyhemoglobin saturation below 90% (CT(90)) decreased from 30.9% ± 28.1% preoperatively to 15.5% ± 25.6% postoperatively (P < .01). Sleep architecture was effectively changed. The S3 + S4 percentage of total sleep time increased from 3.6% ± 4.4% to 8.7% ± 5.0% (P < .05). The success rates were 100% (8/8) and 22.2% (4/18) in patients with Friedman obstructive sleep apnea stage II and III, respectively. CONCLUSION: The success rate of ZPPP plus GAHM for patients with severe OSAHS who suffer from oropharyngeal and hypopharyngeal obstruction was limited. Friedman stage was a predictor of ZPPP plus GAHM surgical success.
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