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Pulse wave transit time for monitoring respiration rate
Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Physiological Measurements.
Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Physiological Measurements.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Physiology. Östergötlands Läns Landsting, Heart Centre, Department of Thoracic and Vascular Surgery.ORCID iD: 0000-0002-9095-403X
Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Physiological Measurements.
2006 (English)In: Medical and Biological Engineering and Computing, ISSN 0140-0118, E-ISSN 1741-0444, Vol. 44, no 6, 471-478 p.Article in journal (Refereed) Published
Abstract [en]

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. © International Federation for Medical and Biological Engineering 2006.

Place, publisher, year, edition, pages
2006. Vol. 44, no 6, 471-478 p.
Keyword [en]
Pulse wave transit time, Respiration rate, Respiration monitoring, Blood pressure, Photoplethysmography
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-34605DOI: 10.1007/s11517-006-0064-yLocal ID: 22250OAI: oai:DiVA.org:liu-34605DiVA: diva2:255453
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Johansson, AndersAhlström, ChristerLänne, TosteAsk, Per

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