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《Journal of Logistics University of PAPF(Medical Sciences)》 2014-06
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The biomechanics theory of uvulopalatopharyngoplasty in obstructive sleep apnea hypopnea syndrome

ZHANG Wen-hua;ZHANG Yu-geng;SUN Pei-yong;SHI Wen-jie;Wuqing Peoeple's Hospital of Tianjin;  
【Objective】To investigate the biomechanics principles of uvulopalatopharyngoplasty(UPPP) in the treatment of obstructive sleep apnea hypopnea syndrome(OSAHS).【Methods】45 cases of OSAHS patients were researched studied in the correlation of body mass index(BMI),apnea hypopnea index(AHI),lowest arterial oxygen saturation and average arterial oxygen saturation.UPPP surgery method were designed according to the principle of anatomy and biomechanics theory of palatopharyngeal space.Preoperative and postoperative AI AHI and lowest SaO_2 and average SaO_2 were reorded and compared.【R6SUlts】95.56%of 45 cases were obese,and with narrow palatopharyngeal space,the BMI was significant associated with AHI,lowest SaO_2,and average SaO_2.According to the biological mechanics principle design of UPPP surgery methods,postoperative AI,AHI,lowest SaO_2 and average SaO_2 were improved(P 0.01),the difference was statistically significant.Short term total effective rate was 84.62%.Long-term total effective rate was 68.42%.【Conclusion】 UPPP is an effective method for treating of OSAHS,theory can not only increase the opening strength but also decrease the palatopharyngeal closure muscles' tensile force,and these two may achieve normal balance.
【CateGory Index】: R766.4
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