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目的:探讨超声引导下会阴区选择性神经阻滞在前庭大腺切除术中的应用价值。方法:选择丽水市妇幼保健院2017年1月至2020年1月收治的行前庭大腺切除术患者90例为研究对象，按照患者前来诊治的顺序均分为对照组和观察组（每组45例），对照组采用盲探法行神经阻滞，予以观察组超声引导下会阴区选择性神经阻滞，比较两组麻醉前后血流动力学指标、麻醉效果、疼痛程度和并发症发生率。结果:两组麻醉前血流动力学指标和疼痛程度差异均无统计学意义（均n P>0.05）；观察组麻醉后收缩压［（124.37±8.12）mmHg］、舒张压［（91.68±5.44）mmHg］和心率［（74.62±3.56）次/min］均低于对照组［（128.62±9.27）mmHg、（95.24±6.17）mmHg、（76.12±3.32）次/min］（n t=2.248、2.903、2.067，均n P<0.05）。术后2 h疼痛评分［（3.06±0.25）分］和术后24 h疼痛评分［（4.21±0.52）分］与对照组［（3.28±0.24）分、（4.54±0.48）分］相比下降明显，差异均有统计学意义（n t=2.618、3.128，均n P<0.05）。观察组麻醉效果优于对照组，并发症发生率低于对照组，差异均有统计学意义（χn 2=12.869、4.285、4.864、3.920，均n P 0.05). Systolic blood pressure [(124.37 ± 8.12) mmHg], diastolic blood pressure [(91.68 ± 5.44) mmHg] and heart rate [(74.62 ± 3.56) beats/min] were significantly lower than those in the control group [(128.62 ± 9.27) mmHg, (95.24 ± 6.17) mmHg, (76.12 ± 3.32) beats/min, n t = 2.248, 2.903, 2.067, all n P < 0.05]. In the observation group, pain scores at 2 and 24 hours after surgery were (3.06 ± 0.25) points and (4.21 ± 0.52) points, respectively, which were significantly lower than those in the control group [(3.28 ± 0.24) points and (4.54 ± 0.48) points, n t = 2.618, 3.128, both n P < 0.05). Anesthetic effect in the observation group was superior to that in the control group, and incidence of complications in the observation group was significantly lower than that in the control group ( n χ2 = 12.869, 4.285, 4.864, 3.920, all n P < 0.05).n Conclusion:Ultrasound-guided selective pudendal nerve block in vestibular gland resection exhibits better anesthetic effect, has no obvious effect on hemodynamics, and has good analgesic effect with low incidence of complications. Therefore, it deserves clinical popularization.