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一个新的压缩感应电影心脏MRI序列与自由呼吸实时采集和完全自动化的运动校正:全面评估

Benjamin Longère¹, Neelem Abassebay², Christos Gkizas²

¹Univ. Lille, U1011-European Genomic Institute for Diabetes (EGID), 59000 Lille, France; Inserm, U1011, 59000 Lille, France; CHU Lille, Department of Cardiovascular Radiology, 59000 Lille, France; Institut Pasteur Lille, 59000 Lille, France.

Diagnostic and interventional imaging

|June 16, 2023

概括

这种新的自由呼吸压缩感应影像 (FB-CS) 心脏MRI (CMR) 显著减少扫描时间,并改善心律不整或呼吸障碍患者的图像质量. 它提供可靠的心室功能评估,与标准方法相比.

科学领域:

心脏病学心脏病学
放射学放射学是一门学科.
医疗成像医学成像

背景情况:

心脏磁共振成像 (CMR) 对于心血管评估至关重要.
传统的多呼吸持有细分 cine (BH-SEG) CMR 是耗时且易受人工物.
需要新的技术来提高不同患者群体的效率和图像质量.

研究的目的:

为了比较一种新的自由呼吸压缩感应电影 (FB-CS) CMR技术与标准的 BH-SEG CMR.
评估FB-CSCMR在未经选择的成年患者队列中的疗效.
评估两种CMR方法之间的图像质量,采集时间和功能参数.

主要方法:

追溯招募52名接受BH-SEGCMR和FB-CSCMR的成年患者.
FB-CS CMR使用自动呼吸运动校正.
评估的关键指标包括采集/重建时间,图像质量 (利克尔特尺度),心室体积,喷射分数,心室质量和全球周长应变.

主要成果:

与BH-SEG CMR相比,FB-CS CMR的获取时间显著缩短 (123.8s vs. 267.2s).
FB-CS CMR 的重建时间比 BH-SEG CMR (271.4s vs 9.9s) 长.
在没有心律失常/喘息的患者中,FB-CS CMR显示出与BH-SEG CMR相似的图像质量,但在这些疾病患者中显示出更好的图像质量. 在这两种方法中,心室功能参数保持一致.

结论:

新的FB-CS CMR技术有效地解决了呼吸运动和心律失常相关的人工物.
这种方法不会影响心室功能评估的可靠性.
FB-CS CMR为高效和高质量的心脏成像提供了一个有前途的替代方案.

关键词:

艺术品文物文物电影心脏磁力共振成像 (MRI)图像压缩图像压缩图像增强图像增强图像增强图像重建, 磁共振成像, 磁共振成像

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