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相关概念视频

Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
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基于乳液的多相集成微芯片与内部多接口结构使双模成像用于精确的内血管栓塞.

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  • 1Shenzhen Key Laboratory of Smart Healthcare Engineering, Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, 518055, P. R. China.

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概括

研究人员开发了用于跨动脉栓塞 (TAE) 的双模态成像微珠. 这些新型栓塞剂提供了更好的X射线和超声波可见性,增强了各种疾病的微创治疗方法.

关键词:
栓塞式微球是微球的组成部分.含有的油的油.多界面结构多界面结构.通过动脉栓塞的跨动脉栓塞超声波成像的成像方法

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科学领域:

  • 生物材料科学 生物材料科学
  • 医疗成像医学成像
  • 干预性放射学 干预性放射学

背景情况:

  • 基于微球的栓塞剂对于过动脉栓塞 (TAE) 在治疗高血管瘤和出血方面至关重要.
  • 当前的微球面临着在实现同时长期,实时X射线和超声波成像方面面临的挑战.

研究的目的:

  • 开发基于乳液的新型双模成像微珠,用于增强的跨动脉栓塞 (TAE) 治疗.
  • 克服在微创治疗中使用的栓塞剂实时成像方面的局限性.

主要方法:

  • 使用基于滴滴的微流体方法制造微珠,创建一个油在水 (O/W) 乳液.
  • 在一个交叉连接的基于CaAlg的水性基质中加入放射性不透明的化油 (IO).
  • 描述微珠特性,包括成像可见性,可交付性和药物释放性.

主要成果:

  • 开发的CaAlg-IO微珠显示出优异的X射线成像能力,这是由于含量高 (221 mgI mL-1).
  • 取得了优异的超声波成像能力,这是由于O/W乳液的多界面结构.
  • 微珠表现出良好的微导管输送能力和由于生物降解而延长的药物释放.

结论:

  • 基于乳液的双模成像微珠为改善TAE提供了一个有前途的平台.
  • 独特的多阶段结构提高了栓塞性能和成像评估能力.
  • 这项技术为各种血管疾病提供了最少入侵的治疗选择.