极化氦气用于肺部成像
Polarized Helium to Image the Lung
摘要：
本文报告了欧洲PHIL项目（极化氦肺成像）的主要发现。描述了用于极化^3He气体的最先进的光泵浦技术。MRI方法学的改进使得动态通气图像具有良好的分辨率，最终受到气体扩散的限制。弥散成像是一种可靠的肺部诊断方法。讨论了低场MRI的潜在优势。选定的PHIL肺气肿的结果，与前景，这种联合工作开辟了未来的呼吸医学。
英文摘要：
The main findings of the european PHIL project (Polarised Helium to Image the Lung) are reported. State of the art optical pumping techniques for polarising ^3He gas are described. MRI methodological improvements allow dynamical ventilation images with a good resolution, ultimately limited by gas diffusion. Diffusion imaging appears as a robust method of lung diagnosis. A discussion of the potential advantage of low field MRI is presented. Selected PHIL results for emphysema are given, with the perspectives that this joint work opens up for the future of respiratory medicine.
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