Evaluation of the influence of movement on saturation readings from pulse oximeters

J. L. Plummer, A. Z. Zakaria, A. H. Ilsley, R. R.L. Fronsko, H. Owen

    Research output: Contribution to journalArticle

    23 Citations (Scopus)

    Abstract

    This study aimed to develop a protocol for assessing the influence of movement on oxyhaemoglobin saturation readings from pulse oximeters. Thirty‐six volunteers took part in the study. In each volunteer, each hand was monitored by both a Nellcor N200 oximeter using a disposable probe and by a Datex Satlite DS103 oximeter using a clip‐on finger probe. Volunteers made five standardised movements during which output was recorded from all four oximeters. All movements were associated with apparent decreases in oxyhaemoglobin saturation which were statistically significant for two movements with the Nellcor equipment and for four movements with the Datex equipment. Movement was associated with increases in the magnitude of pulse amplitude, but this was not quantitatively associated with magnitude of artefactual changes in saturation. Use of this standardised movement protocol allows quantification of movement artefact from pulse oximeters and should facilitate the development of equipment less affected by movement.

    Original languageEnglish
    Pages (from-to)423-426
    Number of pages4
    JournalAnaesthesia
    Volume50
    Issue number5
    DOIs
    Publication statusPublished - May 1995

    Keywords

    • Equipment
    • Monitoring
    • pulse oximeters
    • pulse oximetry

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