Objective To observe the clinical effect of treating severe OSAHS by nasal surgery expansion. Methods 120 cases clinical data of severe OSAHS patients in the First Hospital Affiliated of Hebei North College from October 2012 to March 2014 were collected. These patients were divided into two groups, treatment group A (submucous inferior turbinate resection, 60 cases) and treatment group B (inferior turbinate cavernous tissue retention and expansion of the nasal cavity operation, 60 cases). After the treatment, the AHI, SaO2, ESS score, snoring scores of two groups after treatment were detected. Results The AHI [(30.54±6.42) times/h], SaO2 [(89.86±7.18)%], ESS score [(30.54±6.42) scores], snoring scores [(4.20±2.09) scores] of treatment group B were better than than those of treatment group A [(40.65±7.51) times/h, (79.42±8.17)%, (40.65±7.51) scores, (5.66±2.18) scores], the differences were statistically signifi-cant (t = 7.93, 7.44, 0.03, 3.74, P < 0.05). Conclusion The clinical symptoms of severe OSAHS patients by nferior turbinate cavernous tissue retention and expansion of the nasal cavity operation is obviously improved and eusemia, which is worth of clinical popularization and application.%目的：探讨鼻腔扩容术治疗重度阻塞性睡眠呼吸暂停低通气综合征(OSAHS)的临床临床效果。方法收集河北北方学院附属第一医院2012年10月~2014年3月收治的重度OSAHS患者120例临床资料，依据治疗措施不同进行分组，治疗A组(下鼻甲黏膜下部分切除术)60例和治疗B组(下鼻甲海绵组织保留并鼻腔扩容术)60例。观察两组患者治疗后呼吸暂停低通气指数(AHI)、夜间最低血氧饱和度(SaO2)、嗜睡量表(ESS)评分、鼾声评分情况。结果治疗B组重度OSAHS患者治疗后AHI [(30.54±6.42)次/h]、SaO2[(89.86±7.18)豫]、ESS评分[(30.54±6.42)分]、鼾声评分[(4.20±2.09)分]均明显优于治疗A组[(40.65±7.51)次/h、(79.42±8.17)豫、(40.65±7.51)分、(5.66±2.18)分]，差异均有统计学意义(t=7.93、7.44、0.03、3.74，P<0.05)。结论下鼻甲海绵组织保留并鼻腔扩容术治疗重度OSAHS患者临床症状改善明显，预后良好，值得临床推广应用。
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