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相关概念视频

Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...

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快速缓解骨转移的疼痛:虚拟模拟程序

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虚拟模拟显著减少了骨转移患者的放射治疗开始时间,减少了50%以上的等待时间. 这种加速缓解性辐射瘤学工作流向有利于需要快速缓解疼痛的患者.

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科学领域:

  • 在瘤学瘤学.
  • 辐射疗法 辐射疗法
  • 医疗成像医学成像

背景情况:

  • 骨转移的缓解性放射治疗通常因复杂的工作流程而面临延迟.
  • 快速缓解疼痛对于骨转移患者至关重要.

研究的目的:

  • 评估替代虚拟模拟息工作流程对从咨询到治疗开始的时间的影响.
  • 评估虚拟模拟在息性辐射瘤学的效率.

主要方法:

  • 对一些患有疼痛骨转移的患者实施了虚拟模拟工作流.
  • 患者使用诊断CT扫描进行虚拟模拟,对照组使用实体CT模拟.
  • 严格的标准包括疼痛的骨转移,缓解性放射治疗建议和最近的诊断CT扫描.

主要成果:

  • 从咨询到治疗的平均时间从7.5天 (面对面模拟) 减少到3.7天 (虚拟模拟),显著改善 (P ≤ .001).
  • 虚拟模拟可将息性放射治疗的治疗开始时间缩短50%以上.
  • 虚拟和实体模拟计划之间没有观察到规划目标体积覆盖率的显著差异.

结论:

  • 虚拟模拟大大减少了骨转移中的息性放射治疗的治疗开始时间.
  • 这种工作流对于长途旅行的门诊患者和寻求快速治疗的人来说尤其有益.
  • 虚拟模拟提供了一种可行的解决方案,可以改善及时获得息性放射治疗的机会,特别是在服务不足的地区.