Short-term stability of combined finger and toe photoplethysmogram analysis

M. Peltokangas, M. Huotari, J. Verho, V. M. Mattila, J. Röning, P. Romsi, J. Lekkala, A. Vehkaoja, N. Oksala

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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    Abstract

    Arterial pulse waves (PWs) provide information on the vascular health and could be utilized in the early detection of atherosclerosis. The aim of the study is to characterize the short-term repeatability of combined finger and toe photoplethysmographic (PPG) signal analysis method which we call finger-toe plot (FT-plot) and compare it with other methods proposed for vascular characterization. PPG signals were recorded from 24 atherosclerotic and 47 control subjects from finger and toe. The repeatability of the method was analyzed by means of intra-class correlation coefficients (ICC) and free-marginal multirater κ agreement. The metrics were computed for individual PWs as well as for averages based on 10–100 PWs. The ICCs increased with number of PWs utilized — ICCs and κ agreements higher than ≥ 0.90 were widely achieved based on the averages of ≥ 20 PWs, depending on the parameter or study group. Based on the present results, the FT-plot based detection of atherosclerotic changes has at least equal repeatability compared with a current clinical standard, ankle-to-brachial pressure index. However, further studies should validate the findings before the method is ready for the screening of atherosclerotic changes.

    Original languageEnglish
    Title of host publicationEMBEC and NBC 2017 - Joint Conference of the European Medical and Biological Engineering Conference EMBEC 2017 and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics, NBC 2017
    EditorsHannu Eskola
    PublisherSpringer Verlag
    Pages342-345
    Number of pages4
    ISBN (Print)978-981-10-5121-0
    DOIs
    Publication statusPublished - 2017
    Publication typeA4 Article in a conference publication
    EventJoint Conference of the European Medical and Biological Engineering Conference (EMBEC) and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics (NBC) -
    Duration: 1 Jan 2018 → …

    Publication series

    NameIFMBE Proceedings
    Volume65
    ISSN (Print)1680-0737

    Conference

    ConferenceJoint Conference of the European Medical and Biological Engineering Conference (EMBEC) and the Nordic-Baltic Conference on Biomedical Engineering and Medical Physics (NBC)
    Period1/01/18 → …

    Keywords

    • Atherosclerosis
    • Photoplethysmography

    Publication forum classification

    • Publication forum level 1

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