Cardiorespiratory interactions during periodic breathing in awake chronic heart failure patients.

  title={Cardiorespiratory interactions during periodic breathing in awake chronic heart failure patients.},
  author={G D Pinna and Roberto Maestri and Andrea Mortara and Maria Teresa La Rovere},
  journal={American journal of physiology. Heart and circulatory physiology},
  volume={278 3},
We applied spectral techniques to the analysis of cardiorespiratory signals [instantaneous lung volume (ILV), instantaneous tidal volume (ITV), arterial O(2) saturation (Sa(O(2))) at the ear, heart rate (HR), systolic (SAP), and diastolic (DAP) arterial pressure] during nonapneic periodic breathing (PB) in 29 awake chronic heart failure (CHF) patients and estimated the timing relationships between respiratory and slow cardiovascular (<0.04 Hz) oscillations. Our aim was 1) to elucidate major… CONTINUE READING
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