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        3種不同體位固定技術(shù)在腹部腫瘤術(shù)后調(diào)強(qiáng)放療的擺位誤差及重復(fù)性分析

        2020-12-23 06:59:31左剛
        中外醫(yī)療 2020年17期

        左剛

        [摘要] 目的 探究在腹部腫瘤術(shù)后調(diào)強(qiáng)放療運(yùn)用3種不同體位固定技術(shù)的擺位誤差和重復(fù)性情況。方法 方便選取于2018年5月—2019年5月該院收治的腹部腫瘤術(shù)后調(diào)強(qiáng)放療患者90例,根據(jù)體位固定方式的不同,將其分為隨機(jī)分為A組(仰臥位體膜固定)、B組(MT-BBCF碳纖維腹板固定)和C組(改良版MT-BBCF碳纖維腹板固定),各30例。對(duì)比治療前和治療后20 d、30 d,兩組患者X軸、Z軸射野中心偏移值的變化情況。結(jié)果 在X軸不同時(shí)間射野中心點(diǎn)偏移值方面,3組之間差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);與B組相比,在Y軸射野中心偏移值的變化方面,A組治療前(0.15±1.05)、治療后20 d(-0.24±0.73)、治療后30 d(0.15±0.96),C組治療前(0.23±1.12)、治療后20 d(0.23±1.02)、治療后30 d(-0.23±1.08)均與其差異有統(tǒng)計(jì)學(xué)意義(P<0.05);與B組相比,在Z軸射野中心偏移值的變化方面,A組、C組兩組也與其差異有統(tǒng)計(jì)學(xué)意義(P<0.05),但A、C兩組差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論 相比于仰臥位體膜固定和MT-BBCF碳纖維腹板固定,在腹部腫瘤術(shù)后調(diào)強(qiáng)放療中運(yùn)用改良版MT-BBCF碳纖維腹板固定存在較小的擺位誤差,同時(shí)具有最佳的重復(fù)性效果,其臨床價(jià)值較顯著。

        [關(guān)鍵詞] 不同體位固定技術(shù);腹部腫瘤;調(diào)強(qiáng)放療;擺位誤差;重復(fù)性

        [中圖分類號(hào)] R730.55? ? ? ? ? [文獻(xiàn)標(biāo)識(shí)碼] A? ? ? ? ? [文章編號(hào)] 1674-0742(2020)06(b)-0047-03

        [Abstract] Objective To investigate the position error and repeatability of three different posture fixation techniques for intensity-modulated radiotherapy after abdominal tumor surgery. Methods Ninety patients with intraoperative intensity-modulated radiotherapy for abdominal tumors treated in the hospital from May 2018 to May 2019 were convenienty selected and randomly divided into group A according to different posture fixation methods (supine position fixation) , Group B (MT-BBCF carbon fiber web fixation) and Group C (modified MT-BBCF carbon fiber web fixation) 30 people each. The changes of X-axis and Z-axis center offset values of the two groups of patients before and after treatment and 20 and 30 days after treatment were compared. Results There was no statistical significantly significance between the three groups in the offset value of the center of the shooting field at different times on the X axis (P>0.05); compared with the group B, in the change of the center offset of the shooting field in the Y axis, group A before treatment (0.15 ± 1.05), 20 d after treatment (-0.24±0.73), 30 d after treatment (0.15 ± 0.96), group C before treatment (0.23 ± 1.12), 20 s after treatment (0.23±1.02), 30 d after treatment (-0.23 ± 1.08), there was a statistically significant difference (P<0.05); compared with group B, in the change of the Z-axis field offset value, the two groups of group A and group C also existed with it statistically significant difference(P<0.05), but the difference between A and C groups was not statistically significant (P>0.05). Conclusion Compared with supine position membrane fixation and MT-BBCF carbon fiber web fixation, the use of modified version of MT-BBCF carbon fiber web fixation in postoperative intensity-modulated radiotherapy for abdominal tumors has a smaller positioning error and has the best repetitive effect, which has significant clinical value.

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        [7]? 伊慶泉.熱塑體膜體位固定技術(shù)在胸腹部腫瘤放射治療中的應(yīng)用價(jià)值探討[J].醫(yī)學(xué)美學(xué)美容,2019,28(18):69.

        [8]? Shannon Harlan E,F(xiàn)ishel Melissa L,Xie Jingwu,et al.Longitudinal Bioluminescence Imaging of Primary Versus Abdominal Metastatic Tumor Growth in Orthotopic Pancreatic Tumor Models in NSG Mice[J].Pancreas,2015,44(1):64-75.

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        [11]? Chen Hong Hou, Gary Y,Han Yang,et al.Harmonic Motion Imaging for Abdominal Tumor Detection and High-Intensity Focused Ultrasound Ablation Monitoring: An In Vivo Feasibility Study in a Transgenic Mouse Model of Pancreatic Cancer[J].IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,2015,62(9):1662-1673.

        [12]? 周國(guó)旗,張海峰.熱塑體膜體位固定技術(shù)在胸腹部腫瘤放射治療中的應(yīng)用效果分析[J].飲食保健,2017,4(28):40-41.

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        [14]? 張素美,劉廣升.3種不同體位固定技術(shù)在腹部腫瘤術(shù)后調(diào)強(qiáng)放療的擺位誤差及重復(fù)性分析[J].解放軍醫(yī)藥雜志,2017,29(1):54-57.

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        [16]? 劉銀鳳,楊海松,黃星武,等.熱塑體膜真空墊體位固定技術(shù)在胸腹部腫瘤放射治療中的應(yīng)用效果分析[J].基層醫(yī)學(xué)論壇,2019,23(25):3692-3693.

        (收稿日期:2020-03-14)

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