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氧合敏感性心脏 MRI 联合血管主动呼吸操作用于冠状动脉微血管功能障碍的无创评估
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JoVE Journal Medicine
Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
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氧合敏感性心脏 MRI 联合血管主动呼吸操作用于冠状动脉微血管功能障碍的无创评估

DOI:
10.3791/64149-v

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08:35 min

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August 17, 2022

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, ,
1Faculty of Medicine and Health Sciences,McGill University, 2Faulty of Medicine and Dentistry,University of Alberta, 3Departments of Medicine and Diagnostic Radiology,McGill University

Chapters

  • 00:04Introduction
  • 01:39Pre‐Scan Procedure
  • 02:35MRI Acquisition of Oxygenation‐Sensitive Sequences
  • 03:10OS Baseline Acquisition
  • 04:36OS Continuous Acquisition with Vasoactive Breathing Maneuvers
  • 06:40Results: Assessment of Coronary Microvascular Dysfunction Using OS‐CMR with Vasoactive Breathing Maneuvers
  • 07:35Conclusion

Summary

Automatic Translation

Automatic Translation

通过氧合敏感性心脏磁共振成像结合血管主动呼吸动作评估微血管功能的独特之处在于其评估 体内 心肌氧合的快速动态变化的能力，因此可以作为冠状动脉血管功能至关重要的诊断技术。

Tags

Oxygenation-sensitive Cardiac MRIVasoactive Breathing ManeuversCoronary Microvascular DysfunctionEndogenous Contrast AgentDeoxyhemoglobinNon-coronary IschemiaHyperventilationBreath HoldBreathing ManeuverBSSFP Sequence

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