The role of palatovaginal canal and sphenopalatine artery in the localization of vidian canal during vidian neurotomy
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摘要: 目的 探讨腭鞘管及蝶腭动脉在翼管神经切断术中定位翼管的作用。方法 中重度持续性变应性鼻炎伴或不伴鼻息肉患者55例，根据手术径路不同分为A组(蝶窦前壁入路)29例和B组(中鼻道入路)26例，均于鼻内镜下行单侧翼管神经切断术。A组于蝶窦前壁，以腭鞘管定位翼管；B组于中鼻道，以蝶腭动脉定位翼管。结果 所有患者均顺利找到翼管，创伤小，术后愈合快，无不可逆的并发症。结论 腭鞘管及蝶腭动脉与翼管外口位置关系恒定，可作为翼管神经切断术的解剖标志。Abstract: Objective To explore the role of palatovaginal canal and sphenopalatine artery in the localization of pterygoid canal during pterygoid neurotomy.Method 55 patients with or without nasal polyps were divided into two groups: group A(twenty-nine cases, anterior wall approach of sphenoid sinus) and group B(twenty-six cases, middle nasal meatus approach). All patients underwent unilateral vidian neurectomy under nasal endoscope. The vidian canal was located by palatal canal and sphenopalatine artery in group A and B, respectively.Result The vidian canal was located successfully in all patients, with small wound, fast postoperative recovering. There was no irreversible complication.Conclusion The relationship between the palatovaginal canal, sphenopalatine artery and the external orifice of vidian canal is constant, which can be used as an anatomical marker of vidian neurotomy.
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表 1 55例患者术前术后泪液分泌试验结果
mm，x±s 组别 例数 术侧术前泪液分泌 术侧术后泪液分泌 非术侧术前泪液分泌 非术侧术后泪液分泌 A组 29 13.21±2.08 3.36±0.91 13.12±1.95 13.10±1.99 B组 26 13.27±2.05 3.77±1.03 12.25±1.56 12.12±1.40 
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