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Monitoring the autonomic nervous system in the ICU through cardiovascular variability signals

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8 Author(s)
Mainardi, L.T. ; Dept. of Biomed. Eng., Polytech. Univ., Milan, Italy ; Yli-Hankala, A. ; Korhonen, I. ; Signorini, M.G.
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Studies the usefulness of cardiovascular variability parameters for monitoring intensive-care unit (ICU) patients, and discusses assessing ICU patient status using spectral analysis parameters. Both short-term and long-term spectral parameters were employed for the assessment of patient status in the ICU. Short-term parameters were sensitive to the airway suction (AWS) and may also be employed to monitor the response to different therapeutic interventions. Long-term parameters showed significantly increased α-slope values in nonsurviving patients. This result suggests that the α-slope value on 24-hour RR spectra obtained from the ECG signal may be a relevant prognostic index

Published in:

Engineering in Medicine and Biology Magazine, IEEE  (Volume:16 ,  Issue: 6 )

Date of Publication:

Nov/Dec 1997

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