Intensive care medicine · 2007
Clinical applications of photoplethysmography in paediatric intensive care.
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Frey Bernhard, Waldvogel Katharina, Balmer Christian
Аннотация
OBJECTIVE: The photoplethysmographic wave is displayed by most pulse oximeters. It may be used as a non-invasive alternative to invasive arterial blood pressure trace analysis for continuous haemodynamic monitoring in selected situations.
PATIENTS AND SETTING: Four cardiac patients treated in a tertiary neonatal-paediatric intensive care unit.
MEASUREMENTS: Simultaneous monitoring of the photoplethysmographic wave, ECG, and invasive blood pressure.
RESULTS AND CONCLUSIONS: Photoplethysmography allows for monitoring pulse rate in patients with (possible) heart rate/pulse rate dissociation (pacemaker dependency, pulsatile ventricular assist device); monitoring sudden changes in heart beat volume, which are unrelated to respiration (pulseless electrical activity, pulsus alternans); and monitoring respiratory-dependent fluctuations of the plethysmographic wave (heart failure, hypovolaemia, asthma, upper airway obstruction, pericardial effusion). Deterioration, slowly evolving over time, may be detected by this method.
PATIENTS AND SETTING: Four cardiac patients treated in a tertiary neonatal-paediatric intensive care unit.
MEASUREMENTS: Simultaneous monitoring of the photoplethysmographic wave, ECG, and invasive blood pressure.
RESULTS AND CONCLUSIONS: Photoplethysmography allows for monitoring pulse rate in patients with (possible) heart rate/pulse rate dissociation (pacemaker dependency, pulsatile ventricular assist device); monitoring sudden changes in heart beat volume, which are unrelated to respiration (pulseless electrical activity, pulsus alternans); and monitoring respiratory-dependent fluctuations of the plethysmographic wave (heart failure, hypovolaemia, asthma, upper airway obstruction, pericardial effusion). Deterioration, slowly evolving over time, may be detected by this method.