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Non-invasive monitoring of systolic blood preassure on arm utilizing photoplethysmography (PPG)
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, Vascular surgery. Östergötlands Läns Landsting, Heart Centre, Department of Thoracic and Vascular Surgery.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Anaesthesiology. Östergötlands Läns Landsting, Anaesthesiology and Surgical Centre, Department of Anaesthesiology and Intensive Care VHN.
Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Physiological Measurements.
2000 (English)In: World Congress of Medical Physics and Biomedical Engineering,2000, Springer-Verlag , 2000, 131-135 p.Conference paper, Published paper (Refereed)
Abstract [en]

Photoplethysmography (PPG) can be used to measure systolic blood pressure at the brachial artery. With a specially designed probe, positioned in the most distal position beneath a pressure cuff on the upper arm, this is possible. The distance between the light source (880 nm) and the photodetector was 20 mm. A test was performed on neuro-intensive care patients by determining blood pressure from the PPG curves, and, when it was compared with systolic blood pressure obtained from inserted indwelling arterial catheters, a correlation factor of r=0.95 was achieved. The difference between blood pressure obtained using PPG and invasive blood pressure measurement was 3.9±9.1 mmHg (mean±SD), n=19. The depth to the brachial artery was 13.9±4.1 mm (mean±SD), n=18. A digital PPG system utilising pulsating light was also developed.

Place, publisher, year, edition, pages
Springer-Verlag , 2000. 131-135 p.
Series
Medical and Biological Engineering and Computing, ISSN 0140-0118 (print), 1741-0444 (online) ; Volume 43, Issue 1
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-32638DOI: 10.1007/BF02345134Local ID: 18555OAI: oai:DiVA.org:liu-32638DiVA: diva2:253461
Conference
World Congress of Medical Physics and Biomedical Engineering, July 2000, Chicago, USA
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2015-02-18

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Laurent, ClaesJönsson, BjörnVegfors, MagnusLindberg, Lars-Göran

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Laurent, ClaesJönsson, BjörnVegfors, MagnusLindberg, Lars-Göran
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The Institute of TechnologyPhysiological MeasurementsFaculty of Health SciencesVascular surgeryDepartment of Thoracic and Vascular SurgeryAnaesthesiologyDepartment of Anaesthesiology and Intensive Care VHN
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