在直肠癌中确定新辅助放射化疗和手术之间的最佳间隔:一个回顾性队列研究
Maria Cambray1, Javier González-Viguera2, Ferran Losa3,4
1Radiation Oncology Department, Catalan Institute of Oncology, L'Hospitalet de Llobregat, Barcelona, Spain.
International journal of colorectal disease
|June 1, 2023
概括
在新辅助化学放射治疗后延迟直肠癌手术超过8周,与更糟糕的生存结果有关. 较短的间隔可以改善边缘参与和关节的保存,这表明及时的手术对于更好的患者结果至关重要.
科学领域:
- 在瘤学瘤学.
- 手术瘤学手术瘤学
- 辐射瘤学 辐射瘤学
背景情况:
- 在局部晚期直肠癌中,在新辅助化疗或放射治疗 (RT-ChT) 后进行手术的最佳时机仍在争论中.
- 关于延长RT-ChT和切除之间的间隔的好处,存在相互矛盾的数据.
- 这项研究调查了这个间隔对患者结果的影响.
研究的目的:
- 确定新辅助放射化疗和手术切除之间的最佳间隔,用于局部晚期直肠癌.
- 分析时间间隔对瘤结果的影响.
- 确定影响直肠癌患者治疗成功的因素.
主要方法:
- 在2012年至2017年期间治疗的382名II/III期直肠癌患者的回顾性评估.
- 评估四个截止时间间隔 (56,63,70,77天) 以评估它们对结果的影响.
- 统计分析包括单变量和多变量分析以确定显著性.
主要成果:
- 超过8周 (56天) 的间隔与更糟糕的治疗结果有关.
- 77天或更长的间隔显著降低了整体存活率 (84%对70%,p=0.004).
- 较短的间隔 (<77天) 显示显著更好的边缘参与 (5.2%对13.9%),关节的保存 (78%对59.3%),和更少的远程传播 (22.6%对32.5%).
结论:
- 对直肠癌的手术最好是在完成新辅助治疗后的8周 (56天) 内进行.
- 超过8周的延长间隔只能考虑那些对新辅助疗法有良好反应的患者.
- 优化时间间隔对于改善直肠癌管理中的生存和手术结果至关重要.
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