Upright patient positioning for gantry-free breast radiotherapy: feasibility tests using a robotic chair and specialised bras.
Upright patient positioning for gantry-free breast radiotherapy: feasibility tests using a robotic chair and specialised bras.
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DOI：
10.3389/fonc.2023.1250678
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发表时间：
2023
影响因子：
4.7
通讯作者：
中科院分区：
文献类型：
--
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对于使用光子或粒子的外部射束放射治疗，将患者直立放置在旋转的机器人椅子（无机架系统）上可以节省大量成本。在这项研究中，我们考虑了使用机器人放疗椅进行直立乳房放疗的可行性，（i）9名接受常规仰卧放疗的患者（使用光子诊断原发性乳腺癌），加上（ii）7名健康志愿者，选择具有相对较大的胸罩罩杯尺寸。我们研究了：整体身体定位、手臂定位、射束进入、乳房再现性和舒适性。在健康志愿者队列中，还确定了直立治疗姿势下专用放疗布拉斯对乳房下皮褶（ISF）的影响。总之，乳房放射治疗的直立体位似乎是舒适和可行的。在接受常规仰卧位放疗的9例患者中（平均年龄63.5岁，最大年龄90岁），7例患者报告他们更喜欢直立位。放射治疗布拉斯可有效减少/消除直立体位的ISF，包括胸部非常大的志愿者。对于乳房的直立质子放射治疗，射束进入应该是直接的，即使是手臂放下治疗，因为通常使用正面场方向。对于光子放射治疗，现在需要进行额外的研究，以调查射束路径，以及对于某些患者，是否需要额外的固定来保持对侧乳房免受照射。未来的研究还应调查为直立放射治疗定制设计的手臂支架。
For external beam radiotherapy using photons or particles, upright patient positioning on a rotating, robotic chair (a gantry-less system) could offer substantial cost savings. In this study, we considered the feasibility of upright breast radiotherapy using a robotic radiotherapy chair, for (i) a cohort of 9 patients who received conventional supine radiotherapy using photons for a diagnosis of primary breast cancer, plus (ii) 7 healthy volunteers, selected to have relatively large bra cup sizes. We studied: overall body positioning, arm positioning, beam access, breast reproducibility, and comfort. Amongst the healthy volunteer cohort, the impact of specialised radiotherapy bras upon inframammary skinfolds (ISF) was also determined, for upright treatment positions. In conclusion, upright body positioning for breast radiotherapy appears to be comfortable and feasible. Of the 9 patients who received conventional, supine radiotherapy (mean age 63.5 years, maximum age 90 years), 7 reported that they preferred upright positioning. Radiotherapy bras were effective in reducing/eliminating ISF for upright body positions, including for very large breasted volunteers. For upright proton radiotherapy to the breast, beam access should be straightforward, even for arms-down treatments, as en-face field directions are typically used. For photon radiotherapy, additional research is now required to investigate beam paths and whether, for certain patients, additional immobilisation will be required to keep the contralateral breast free from exposure. Future research should also investigate arm supports custom-designed for upright radiotherapy.
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影响因子：
--
作者：
Depauw N;Batin E;Johnson A;MacDonald SM;Jimenez RB
通讯作者：
Jimenez RB
影响因子：
4.7
作者：
Volz, Lennart;Sheng, Yinxiangzi;Durante, Marco;Graeff, Christian
通讯作者：
Graeff, Christian
影响因子：
3.3
作者：
Yang, Jinzhong;Chu, David;Court, Laurence E.
通讯作者：
Court, Laurence E.
影响因子：
3.1
作者：
Yang, Seoyon;Park, Dae Hwan;Kim, Won
通讯作者：
Kim, Won
DOI：
10.1016/j.ejmp.2019.12.023
发表时间：
2020-01-01
影响因子：
3.4
作者：
Biston, Marie-Claude;Jarril, Jimmy;Racadot, Severine
通讯作者：
Racadot, Severine