目的 评价CT引导下奇神经节阻滞毁损术治疗良恶性疾病所致的骶尾部疼痛的可行性、安全性及疗效.方法 本研究共观察各种良恶性疾病所致的顽固性骶尾部疼痛患者18例,均在CT引导下行奇神经节阻滞和毁损术,定期随访评估疼痛缓解情况. 结果 18例患者术后疼痛均获缓解,其中5例(27.8％)术后完全缓解,13例(72.2％)部分缓解,8例患者在2周后再次行介入止痛治疗,二次手术后2例疼痛完全缓解.所有病例术中及术后均未出现严重的不良反应.结论 CT引导下经皮奇神经节阻滞(毁损)术可以减轻良恶性疾病所致的顽固性骶尾部疼痛,该方法安全可靠、疗效确切,值得临床推广.%Objective To evaluate the feasibility, safety and effeetiveness of CT-guided percutaneous ganglion impar block and neuroablation in treating sacroeoxalgia caused by benign or malignant lesions. Methods Percutaneous ganglion impar block and neuroablation under the guidance of CT scanning was performed in 18 patients with intractable sacroeoxalgia. All patients were followed up for two months, and the visual analogue scale (VAS) for pain was recorded at different points of time. Results CT - guided percutaneous ganglion impar block and neuroablation was successfully accomplished in 18 patients. After the treatment, effective pain relief was obtained in all patients (100%). Complete relief of pain was seen in 5 patients (27.8%) and partial relief of pain was seen in 13 patients (72.2%). Eight out of the 18 patients had to receive a second injection two weeks after the treatment, and complete relief of pain was obtained in two patients. No severe complications occurred in this series. Conclusion CT - guided percutaneous ganglion impar block and neuroablation can reduce the severity of sacroeoxalgia caused by benign or malignant lesions. This technique is safe, reliable and effective. It is worthwhile employing this method in clinical practice.
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