Healthy Volunteers Clinical Trial
Official title:
Short-term Apnoea Training With Deep Inspiration Breath Hold vs High Frequency Percussive Ventilation for Apnoea-like Suppression of Respiratory Motion: a Pilot Study Using Magnetic Resonance Imaging at 1.5T Assessing Their Application for Proton Therapy Treatment of Lung Tumors
Since 1996 proton therapy has been applied very successfully at the Paul Scherrer Institute in Switzerland to irradiate deep-seated, stationary tumors. In order to treat tumors within an organ which moves due to breathing (e.g. lung) motion mitigation strategies need to be implemented to ensure the precise irradiation of the moving target. The aim of this study is to assess the feasibility and compare (via MRI imaging) 2 techniques which "freeze" the movement of the lung by breath hold. One method is suppression of respiratory movement via high-frequency, mechanical ventilation by means of a Jet Ventilator (HFPV). The other technique is deep Inspiration breath-hold (DIBH) with Hyperventilation and simultaneous Inspiration of 100% O2 including daily breath-hold exercise.
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