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目的:回顾性分析比较帕金森病(Parkinson′s disease,PD)脑深部电刺激(deep brain stimulation,DBS)术后,短期内(1周内)CT检查与远期MRI扫描图像所示电极位置的准确性,评价2种方法的临床实用价值。方法:获取PD患者术后1周内的CT图像及术后1~12个月的MRI图像,将前者与术前MRI图像进行融合,分别测量融合图像和单纯术后MRI图像显示的DBS电极末端位置,比较2种方法间的误差。结果:全部患者均于术后1周内进行CT检查,并将CT与术前MRI融合,其中14例患者于术后1~12个月行MRI检查,分析53例CT融合图像与14例MRI图像,结果显示,2种方法间的电极位置定位误差无统计学差异(P>0.05),误差范围为0.42~0.89 mm。结论:将术前MRI图像与术后1周内的CT图像融合,是一种快捷、准确地评价DBS术后电极位置的方法 。
OBJECTIVE: To retrospectively analyze and compare the location of electrodes in CT and long-term MRI scans of Parkinson’s disease (PD) after deep brain stimulation (DBS) and short-term (within 1 week) The accuracy of the two methods to evaluate the clinical value. Methods: CT images of patients with PD within 1 week after surgery and MRI images of patients with PD after 1 ~ 12 months were obtained. The former was fused with preoperative MRI images, and the images of the fusion and the postoperative MRI images of DBS electrodes Position, compare the error between the two methods. Results: All the patients underwent CT examination within 1 week after operation and CT was fused with preoperative MRI. Among them, 14 patients underwent MRI examination from 1 to 12 months after operation, and 53 cases of CT fusion and 14 cases of MRI The results showed that there was no significant difference in the positioning error between the two methods (P> 0.05), and the error ranged from 0.42 to 0.89 mm. Conclusion: The fusion of preoperative MRI images and CT images within one week after surgery is a quick and accurate method to evaluate the location of electrodes after DBS.