实时相对比MRI和脑血管搏动变异性随呼吸模式的变化

2022 12th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO) Pub Date : 2022-10-09 DOI:10.1109/ESGCO55423.2022.9931358

G. Baselli, Federica Fasani, L. Pelizzari, M. Cazzoli, F. Baglio, M. M. Laganá

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摘要

实时，相衬MRI (RT-PC-MRI)提供了流量信号的定量评估。聚焦颈椎高水平，可以监测颅内隔室的液体交换。在本研究中，我们研究了30名健康志愿者的动脉、静脉和液体流动的搏动变异性。同时，考虑到三种呼吸状态:自由呼吸、有节奏呼吸和深度呼吸，推导出吸气和呼气相的中间节拍。这些结果虽然是初步的，但清楚地证明了这种新技术的实用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Real Time Phase Contrast MRI and Cerebrovascular Beat-to-Beat Variability Changes with Respiration Mode

Real-time, phase-contrast MRI (RT-PC-MRI) provides a quantitative evaluation of flow signals. Focusing the high cervical level, the fluid interchange of the intracranial compartment can thus be monitored. In the present study we address the beat-to-beat variability of the arterial, venous, and liquor flows in 30 healthy volunteers. Also, the median beats in the inspiratory and expiratory phases are derived, considering three respiratory conditions: free, paced, and deep. These results, though preliminary, clearly demonstrate the utility of this new technique.

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2022 12th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO)

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