摘要
目的 对比携带^125I粒子的可降解导管植入和徒手粒子植入后粒子纵向间距的准确性。方法 本研究用薯蓣制成24个模拟病灶,分为徒手组和粒子导管组,每组12个模拟病灶,由3位医师完成粒子和粒子针插植,每位医师每组插植4个病灶,每组共插植60针道,并按设定粒子间距(0.5和1.0 cm)分别在两组模拟病灶内行粒子植入。术后CT复查,并测量粒子纵向间距。配对t检验分析徒手组和导管组与设定间距偏离的差异。结果 徒手组与设定间距的偏离程度分别为(0.184±0.047)和(0.127±0.051)cm,导管组与设定间距的偏离程度分别为(0.007±0.006)和(-0.003±0.006)cm,导管组粒子的偏离程度明显小于徒手组(t=3.804、2.499,P〈0.05)。结论 携带125I粒子导管的应用,使粒子纵向间距的准确性优于徒手组,受术者的影响较小。
Objective To compare the accuracy of ^125I seeds longitudinal distance between groups by degradable catheters and hand. Methods The study was divided into two groups (implantation by degradable catheters and that by hand). There were 12 simulated lesions in each group. Seed needle and ^125I seeds were implanted by three physicians according to the set longitudinal distance (0.5 and 1.0 cm). Postoperative CT was conducted and the longitudinal distance between seeds was measured, and then the data was analyzed between the actual distance and the designed distance in each group. Results The degree of deviation from the set distance were (0.184±0.047) and (0.127±0.051) cm in the group by hand, and (0.007±0.006) and (-0.003±0.006) cm in degradable catheters group. The degree of deviation of the seeds in the catheter group was significantly lower than the group by hand (t=3.804, 2.499, P〈0.05). Conclusions The accuracy of the longitudinal distance of the group by catheter is much better than that by hand.
作者
何闯
陈玉潇
李良山
杨丽
袁晶
李廷源
黄学全
He Chuang, Chen Yuxiao, Li Liangshan, Yang Li, Yuan Jing, Li Tingyuan, Huang Xuequan(Department of Radiology, Southwest Hospital, Army Medical University (Third Military Medical University) , Chongqing 400038, China)
出处
《中华放射医学与防护杂志》
CAS
CSCD
北大核心
2018年第3期220-223,共4页
Chinese Journal of Radiological Medicine and Protection