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P165 Chest-MRI under non invasive high frequency ventilation: a new promising technique

A. Lovis; A. Ogna; J. Simon; B. Belmondo; O. Long; N. Peguret; L. Noirez; J. Delacoste; J. Bourhis; L. Nicod; C. Beigelman; M. Stuber
Author and Funding Information

1Pneumologie

2Physiothérapie

3Radiothérapie

4CIBM Ingénieur

5Radiologie

6CIBM, CHUV, Lausanne, Switzerland


Copyright 2017, American College of Chest Physicians and Swiss Respiratory Society SGP. All Rights Reserved.


Chest. 2017;151(5_S):A63. doi:10.1016/j.chest.2017.04.067
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Extract

Introduction: Magnetic Resonance Imaging (MRI) of the chest has long suffered from its sensitivity to respiratory and cardiac motion with an intrinsically low signal to noise ratio and a limited spatial resolution. The purpose of this study was to perform chest MRI under an adapted non invasive high frequency ventilation system allowing 10 to 15 times longer breath hold durations than other existing systems.

Methods: One volunteer and one patient known for a thymic lesion underwent a chest MRI under non invasive High Frequency Ventilation (HFV). Routinely used sequences were performed with and without the device during three sets of apnoea on inspiration.

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