自制椎弓根螺钉角度定位仪减少术中X射线辐射及并发症的初步研究

发布时间：2018-03-30 17:41

本文选题：腰椎　切入点：骨折　出处：《中国医学影像学杂志》2016年07期

【摘要】：目的传统徒手椎弓根螺钉置钉术中透视时间长、辐射剂量大,且存在较大误置率,通过自制椎弓根螺钉角度定位仪辅助进钉,以减少术中辐射及并发症。资料与方法前瞻性地将40例胸腰段骨折患者随机分成研究组和对照组,每组20例。研究组借助自制椎弓根螺钉角度定位仪辅助进钉,对照组采用传统徒手置钉,比较两组术中透视时间、医患所受辐射剂量及并发症的差异。结果研究组每枚螺钉植入过程中透视的平均时间为(5.06±0.68)s,对照组为(14.69±1.86)s,两组差异有统计学意义(t=54.931,P0.05)。研究组患者术区所受辐射剂量为(65.31±5.52)u Sv/钉,施术者手部及晶状体所受辐射剂量为(58.59±6.48)u Sv/钉、(8.82±0.84)u Sv/钉;对照组分别为(199.37±15.36)u Sv/钉、(164.18±11.25)u Sv/钉、(27.37±2.52)u Sv/钉,研究组均较对照组低,差异有统计学意义(t=92.824、91.755、78.904,P0.05)。研究组并发症亦较对照组少,差异有统计学意义(χ~2=183.158,P0.05)。结论借助该自制椎弓根螺钉定位仪辅助进钉能减少术中透视时间,从而有效减少医患双方的辐射剂量,并能有效减少术中并发症。
[Abstract]:Objective in order to reduce the radiation and complications, the traditional pedicle screw screw placement was performed with long fluoroscopy time, large radiation dose, and large misplacement rate in order to reduce the intraoperative radiation and complications by using self-made pedicle screw angle locator to assist the screw insertion.Materials and methods 40 patients with thoracolumbar fracture were randomly divided into study group and control group with 20 cases in each group.The study group used the self-made pedicle screw angle locator to assist the nail entry, and the control group used the traditional bare-handed nail to compare the time of fluoroscopy, the dose of radiation received by the doctor and patient, and the complications of the two groups.Results the average time of fluoroscopy was 5.06 卤0.68 s in the study group and 14.69 卤1.86 s in the control group. The difference between the two groups was statistically significant (P 0.05).The complications in the study group were also less than those in the control group (蠂 ~ (2 / 2) 183.158) (P < 0.05).Conclusion with the aid of the self-made pedicle screw locator, the fluoroscopy time can be reduced, the radiation dose of both doctors and patients can be effectively reduced, and the intraoperative complications can be effectively reduced.
【作者单位】：浙江中医药大学附属温州中医院放射科;温州市疾病预防控制中心;
【基金】：浙江省温州市科技局科技计划项目(Y20120170)
【分类号】：R687.3;R816.8

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