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布拉基疗法中的组织间隔器:系统审查和元分析
Mohammad Hossein Sadeghi1, Zahra Siavashpour2, Sedigheh Sina3
1Nuclear Engineering Department, School of Mechanical Engineering, Shiraz University, Shiraz, Iran.
Critical reviews in oncology/hematology
|June 4, 2025
概括
组织间隔器显著降低了在手臂疗法中对有风险的器官 (OARs) 的辐射剂量,降低了毒性并改善了结果. 这一系统性审查支持将它们纳入标准临床实践,以改善患者的生活质量.
科学领域:
- 医学物理 医学物理
- 辐射瘤学 辐射瘤学
- 临床研究 临床研究
背景情况:
- 支臂疗法是一种关键的癌症治疗方法,但对附近有风险的器官 (OARs) 的辐射剂量可能会导致毒性.
- 组织间隔器用于增加辐射源和OAR之间的距离,从而有可能提高治疗安全性.
研究的目的:
- 系统地评估组织间隔器对OAR辐射剂量减少的影响.
- 评估间隔器对与治疗相关的毒性和支架治疗中的临床结果的影响.
- 根据系统审查和元分析 (PRISMA) 准则的首选报告项目来综合证据.
主要方法:
- 在主要数据库 (PubMed,Scopus等) 中进行了全面的文献搜索. 从1990年到2024年之间.
- 符合条件的研究包括随机试验,队列研究和用间隔器进行手臂治疗的剂量分析.
- 用随机效应模型对至少三项研究的定量数据进行了元分析.
主要成果:
- 间隔器在前列腺骨干疗法中始终降低了直肠剂量 (15-50%) 和胃肠道毒性.
- 在头部和部癌症中,间隔器降低了下剂量,并降低了骨质放射性瘤的发生率.
- 妇科支臂疗法在膀/直肠OAR中降低了10-20%的剂量,瘤覆盖没有妥协,晚期并发症较少.
结论:
- 组织间隔器通过减少OAR剂量和相关的毒性,显著提高了支架治疗中的治疗比率.
- 有证据支持将间隔器整合到标准支臂疗法实践中.
- 需要进一步的随机试验来优化间隔设计,技术和成本效益.
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