Application value of visual feedback guidance in breath holding training of breast cancer patients with radiotherapy
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摘要:目的
观察左侧乳腺癌患者在深吸气屏气(DIBH)放射治疗中应用视觉反馈结合语音引导训练的临床效果。
方法将海宁市人民医院30例左侧乳腺癌患者随机分为视觉反馈组和无视觉反馈组,每组15例。视觉反馈组应用视觉反馈功能结合语音引导DIBH, 无视觉反馈组仅应用语音引导进行DIBH。2组患者定位前采用瑜伽呼吸训练的方式指导练习屏气。分析患者治疗时的呼吸曲线; 比较2组患者屏气水平的重复性和稳定性; 比较2组患者的屏气次数和治疗时间。
结果视觉反馈组的屏气平均幅度为(28.92±8.18) mm, 无视觉反馈组的屏气平均幅度为(24.68±10.64) mm; 视觉反馈组屏气幅度标准差均值为(1.17±0.81) mm, 无视觉反馈组为(1.94±0.94) mm; 2组屏气平均幅度、标准差均值比较,差异均有统计学意义(P < 0.05)。视觉反馈组、无视觉反馈组屏气期间最大幅度下降到最小幅度的差值分别为(1.89±1.41)、(4.56±2.80) mm, 差异有统计学意义(P < 0.01)。2组患者屏气时间比较,差异无统计学意义(P>0.05); 视觉反馈组屏气次数少于无视觉反馈组,差异有统计学意义(P < 0.05); 视觉反馈组治疗总时间短于无视觉反馈组,差异有统计学意义(P < 0.05)。
结论左侧乳腺癌患者通过应用视觉反馈结合语音引导DIBH的放射治疗方式,能够提高患者屏气水平的重复性和稳定性,值得临床推广。
Abstract:ObjectiveTo observe the clinical effect of visual feedback combined with voice-guided training in patients with deep inspiratory breath holding (DIBH) radiotherapy for left-sided breast cancer.
MethodsThirty patients with left-sided breast cancer in Haining City People′s Hospital were randomly divided into visual feedback group and no visual feedback group, with 15 cases in each group. The visual feedback group was conducted with visual feedback function combined with voice-guided DIBH, while the no visual feedback group was only conducted with voice-guided DIBH. Patients in both groups were instructed to hold their breath through yoga breathing training before positioning. Respiratory curve of the patients during treatment was analyzed; the repeatability and stability of breath holding levels were compared between two groups; the number of breath holding and treatment time were compared between the two groups.
ResultsThe mean amplitude of breath holding was (28.92±8.18) mm in the visual feedback group and (24.68±10.64) mm in the no visual feedback group; the mean standard deviation of breath holding amplitude was (1.17±0.81) mm in the visual feedback group and (1.94±0.94) mm in the no visual feedback group; there were significant differences in the mean amplitude of breath holding and standard deviation between the two groups (P < 0.05). The difference between the maximum amplitude and minimum amplitude in the breath holding period was (1.89±1.41) mm in the visual feedback group and (4.56±2.80) mm in the no visual feedback group, and there was a significant difference between two groups (P < 0.01). There was no significant difference in breath holding time between the two groups (P>0.05); the number of breath holding in the visual feedback group was significantly less than that in the no visual feedback group (P < 0.05); the total treatment time of the visual feedback group was significantly shorter than that of the no visual feedback group (P < 0.05).
ConclusionFor the patients with left-sided breast cancer, radiotherapy by visual feedback combined with voice-guided DIBH can improve the repeatability and stability of breath holding level, so it is worthy of clinical promotion.
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表 1 2组患者屏气时间、屏气次数及治疗总时间比较(x±s)
指标 视觉反馈组(n=15) 无视觉反馈组(n=15) 屏气时间/s 17.33±4.35 16.22±4.72 屏气次数/次 6.20±0.86 8.33±2.47* 治疗总时间/s 255.22±53.46 311.53±74.04* 与视觉反馈组比较, *P < 0.05。 -
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