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Detection of beat-to-beat intervals from wrist photoplethysmography in patients with sinus rhythm and atrial fibrillation after surgery

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Yksityiskohdat

AlkuperäiskieliEnglanti
Otsikko2018 IEEE EMBS International Conference on Biomedical and Health Informatics, BHI 2018
KustantajaIEEE
Sivut133-136
Sivumäärä4
ISBN (elektroninen)9781538624050
DOI - pysyväislinkit
TilaJulkaistu - 6 huhtikuuta 2018
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaIEEE EMBS International Conference on Biomedical and Health Informatics - Las Vegas, Yhdysvallat
Kesto: 4 maaliskuuta 20187 maaliskuuta 2018

Conference

ConferenceIEEE EMBS International Conference on Biomedical and Health Informatics
MaaYhdysvallat
KaupunkiLas Vegas
Ajanjakso4/03/187/03/18

Tiivistelmä

Wrist photoplethysmography (PPG) allows unobtrusive monitoring of the heart rate (HR). PPG is affected by the capillary blood perfusion and the pumping function of the heart, which generally deteriorate with age and due to the presence of cardiac arrhythmia. The performance of wrist PPG in monitoring beat-to-beat HR in older patients with arrhythmia has not been reported earlier. We monitored PPG from wrist in 18 patients recovering from surgery in the post-anesthesia care unit, and evaluated the inter-beat interval (IBI) detection accuracy against ECG based R-to-R intervals (RRI). Nine subjects had sinus rhythm (SR, 68.0y ± 10.2y, 6 males) and nine subjects had atrial fibrillation (AF, 71.3y ± 7.8y, 4 males) during the recording. For the SR group, 99.44% of the beats were correctly identified, 2.39% extra beats were detected, and the mean absolute error (MAE) was 7.34 ms. For the AF group, 97.49% of the heartbeats were correctly identified, 2.26% extra beats were detected, and the MAE was 14.31 ms. IBI from the PPG were hence in close agreement with the ECG reference in both groups. The results suggest that wrist PPG provides a comfortable alternative to ECG during low motion and can be used for long-term monitoring and screening of AF episodes.

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