Pulmonary ventilation: dynamic MRI with inhalation of molecular oxygen.

  title={Pulmonary ventilation: dynamic MRI with inhalation of molecular oxygen.},
  author={Hiroto Hatabu and Eiji Tadamura and Qun Chen and Klaus Wilhelm Stock and Wei Li and Pottumarthi V Prasad and Robert R. Edelman},
  journal={European journal of radiology},
  volume={37 3},
We have recently demonstrated a non-invasive technique to visualize pulmonary ventilation in humans with inhalation of molecular oxygen as a paramagnetic contrast agent. In the current study, T1 shortening of lung tissue by inhalation of oxygen was observed (P<0.001). The T1 values of lung tissue were also correlated with arterial blood oxygen pressure (PaO(2)) in a pig, resulting in excellent correlation (r(2)=0.997). Dynamic wash-in and wash-out MR ventilation images as well as dynamic wash… CONTINUE READING
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