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Medical & Biological Engineering & Computing

Erschienen in:

01.06.2006 | Original Article

Pulse wave transit time for monitoring respiration rate

verfasst von: A. Johansson, C. Ahlstrom, T. Lanne, P. Ask

Erschienen in: Medical & Biological Engineering & Computing | Ausgabe 6/2006

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Abstract

In this study, we investigate the beat-to-beat respiratory fluctuations in pulse wave transit time (PTT) and its subcomponents, the cardiac pre-ejection period (PEP) and the vessel transit time (VTT) in ten healthy subjects. The three transit times were found to fluctuate in pace with respiration. When applying a simple breath detecting algorithm, 88% of the breaths seen in a respiration air-flow reference could be detected correctly in PTT. Corresponding numbers for PEP and VTT were 76 and 81%, respectively. The performance during hypo- and hypertension was investigated by invoking blood pressure changes. In these situations, the error rates in breath detection were significantly higher. PTT can be derived from signals already present in most standard monitoring set-ups. The transit time technology thus has prospects to become an interesting alternative for respiration rate monitoring.

Vorheriger Artikel SADE3: an effective system for automated detection of epileptiform events in long-term EEG based on context information

Nächster Artikel Inertial measurements of upper limb motion

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Titel: Pulse wave transit time for monitoring respiration rate
verfasst von: A. Johansson
C. Ahlstrom
T. Lanne
P. Ask
Publikationsdatum: 01.06.2006
Verlag: Springer-Verlag
Erschienen in: Medical & Biological Engineering & Computing / Ausgabe 6/2006
Print ISSN: 0140-0118
Elektronische ISSN: 1741-0444
DOI: https://doi.org/10.1007/s11517-006-0064-y

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