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Early Warning Scores to Support Continuous Wireless Vital Sign Monitoring for Complication Prediction in Patients on Surgical Wards: Retrospective Observational Study

Upper and lower thresholds were defined by the outer limits of the EWS criteria, that is, HR ≤40 or ≥130 bpm, RR ≤8 or ≥30 brpm, Sp O2 ≤91%, and AT ≤34.9 °C or ≥38.5 °C. Single-parameter alarms were simulated for 1-hour time windows, and situations where multiple single-parameter alarms were present in the same window were counted as 1 alarm. All the simulated alarms were classified based on the timing of the alarms, as illustrated in Figure 1.

Mathilde C van Rossum, Robin E M Bekhuis, Ying Wang, Johannes H Hegeman, Ellis C Folbert, Miriam M R Vollenbroek-Hutten, Cornelis J Kalkman, Ewout A Kouwenhoven, Hermie J Hermens

JMIR Perioper Med 2023;6:e44483

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Continuous Monitoring of Vital Signs With Wearable Sensors During Daily Life Activities: Validation Study

(A) Schematic overview of wearable sensors and reference devices and their placement on the participant’s body (B) during application and (C) during the experiment. Details: (1) Everion placed on the (a) right arm and (b) left arm; (2) Vital Patch; (3) Fitbit Charge 3; (4) Oxycon Mobile (a) 4 electrocardiography electrodes, (b) oxygen saturation probe, and (c) face mask; (5) i Button placed on the (a) right arm, (b) left arm, and (c) chest.

Marjolein E Haveman, Mathilde C van Rossum, Roswita M E Vaseur, Claire van der Riet, Richte C L Schuurmann, Hermie J Hermens, Jean-Paul P M de Vries, Monique Tabak

JMIR Form Res 2022;6(1):e30863

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Wireless Remote Home Monitoring of Vital Signs in Patients Discharged Early After Esophagectomy: Observational Feasibility Study

Example of vital sign trends over 24 hours, showing (A) heart rate, (B) respiratory rate, (C) skin temperature, and (D) cumulative step count. The shaded area indicates night-time. Example of vital sign trends over 7 days, both within hospital and at home after hospital discharge, showing (A) heart rate, (B) respiratory rate, (C) skin temperature, and (D) cumulative step count. The orange line indicates the time of hospital discharge. The shaded area indicates night-time.

Martine J M Breteler, Lieke Numan, Jelle P Ruurda, Richard van Hillegersberg, Sylvia van der Horst, Daan A J Dohmen, Mathilde C van Rossum, Cor J Kalkman

JMIR Perioper Med 2020;3(2):e21705

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