[1]刘建超,陈 杰,闵小川,等.胸部肿瘤放射治疗不同体位固定技术的比较[J].医学信息,2020,33(02):94-96.[doi:10.3969/j.issn.1006-1959.2020.02.025]
　LIU Jian-chao,CHEN Jie,MIN Xiao-chuan,et al.Comparison of Different Postural Fixation Techniques for Chest Tumor Radiotherapy[J].Medical Information,2020,33(02):94-96.[doi:10.3969/j.issn.1006-1959.2020.02.025]
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胸部肿瘤放射治疗不同体位固定技术的比较()
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医学信息[ISSN:1006-1959/CN:61-1278/R]

卷:
33卷
期数:
2020年02期
页码:
94-96
栏目:
论著
出版日期:
2020-01-15

文章信息/Info

Title:
Comparison of Different Postural Fixation Techniques for Chest Tumor Radiotherapy
文章编号:
1006-1959（2020）02-0094-03
作者:
刘建超1; 陈 杰2; 闵小川1; 段天宇1; 王庆章1; 冯振兴1; 田铁栓1; 张文学2
（1.天津市胸科医院放疗科，天津 300000；2.天津医科大学总医院放疗科，天津 300052）
Author(s):
LIU Jian-chao1; CHEN Jie2; MIN Xiao-chuan1; DUAN Tian-yu1; WANG Qing-zhang1; FENG Zhen-xing1; TIAN Tie-shuan1; ZHANG Wen-xue2
(1.Department of Radiotherapy,Tianjin Chest Hospital,Tianjin 300000,China;2.Department of Radiotherapy,General Hospital of Tianjin Medical University,Tianjin 300052,China)
关键词:
胸部肿瘤; 放射治疗; 热塑体膜; 真空负压垫; 体位固定技术; 摆位误差
Keywords:
Thoracic tumor; Radiation therapy; Thermoplastic membrane; Vacuum negative pressure pad; Posture fixation technique; Positioning error
分类号:
R730.5
DOI:
10.3969/j.issn.1006-1959.2020.02.025
文献标志码:
A
摘要:
目的 分析胸部肿瘤放射治疗中不同体位固定技术的摆位误差。方法 选取天津医科大学总医院放疗科2018年2月~2019年3月收治的72例胸部肿瘤患者，随机分为三组，每组24例。A组采用真空负压垫固定，B组采用热塑体膜固定，C组采用真空负压垫+热塑体膜固定。三组患者均使用CT模拟定位机定位，治疗前使用千伏级锥形束CT（CBCT）系统测量并计算出两射野中心点在左右（X）、头脚（Y）、前后（Z）方向的重复摆位误差并比较。结果 A、B、C三组在X轴方向的误差分别为（2.71±2.44）mm，（2.46±1.44）mm，（1.72±1.01）mm；在Y轴方向的误差分别为（3.89±3.04）mm，（3.68±1.93）mm，（2.01±1.20）mm；在Z轴方向的误差分别为（3.21±1.99）mm，（2.20±1.37）mm，（2.29±1.04）mm。A组与B组在X轴、Y轴方向上的比较，差异无统计意义（P＞0.05），在Z轴方向上的比较，差异有统计意义（P＜0.05）。C组与A组在X轴、Y轴、Z轴方向上的比较，差异有统计学意义（P＜0.05）；C组与B组在X轴、Y轴方向上的比较，差异有统计意义（P＜0.05），在Z轴方向的比较，差异无统计学意义（P＞0.05)。结论 对三种体位固定方法进行两两分析比较，最终得出体位固定技术中真空负压垫+热塑体膜固定方法的误差最小，应优先选择。但该方法操作复杂，耗时较多，性价比低，应根据患者实际情况选择合适的固定方法。
Abstract:
Objective To analyze the positioning errors of different body fixation techniques in the radiotherapy of chest tumors. Methods 72 patients with chest tumors who were treated in the Department of Radiation Oncology of the General Hospital of Tianjin Medical University from February 2018 to March 2019 were randomly divided into three groups, 24 in each group. Group A was fixed with a vacuum negative pressure pad, group B was fixed with a thermoplastic film, and group C was fixed with a vacuum negative pressure pad + thermoplastic film. The three groups of patients were positioned using CT simulation positioning machines. Before treatment, a thousand-volt cone beam CT (CBCT) system was used to measure and calculate the center points of the two shooting fields at left and right (X), head and foot (Y), and front and back (Z) repeated positioning errors in the direction and compare.Results The errors of the three groups A, B, and C in the X-axis direction are (2.71±2.44) mm, (2.46±1.44) mm, (1.72±1.01) mm; the errors in the Y-axis direction are (3.89±3.04) mm, (3.68±1.93) mm, (2.01±1.20) mm; the errors in the Z-axis direction are (3.21±1.99) mm, (2.20±1.37) mm, and(2.29±1.04) mm.There was no statistical significance in the comparison of group A and group B in the X-axis and Y-axis directions(P>0.05), and the comparison in the Z-axis direction had statistical significance(P<0.05).The difference between group C and group A in the X-axis, Y-axis, and Z-axis directions was statistically significant(P<0.05); the comparison between group C and group B in the X-axis, Y-axis directions was statistically significant(P<0.05). There was no significant difference in comparison in the Z axis direction(P>0.05).Conclusion After comparing and comparing the three posture fixation methods, it is concluded that among the three posture fixation methods, the vacuum negative pressure pad+thermoplastic membrane fixation method has the smallest error and should be preferred. However, this method is complicated in operation, time-consuming and cost-effective, and an appropriate fixation method should be selected according to the actual situation of the patient.

参考文献/References:

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更新日期/Last Update: 2020-01-15