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PLoS One. 2018 Feb 12;13(2):e0190138. doi: 10.1371/journal.pone.0190138. eCollection 2018.

A smart all-in-one device to measure vital signs in admitted patients.

Author information

1
Department of Surgery, Radboud University Medical Center, Nijmegen, the Netherlands.
2
Radboud REshape Innovation Center, Radboud University Medical Center, Nijmegen, the Netherlands.
3
Department of Internal Medicine, Radboud University Medical Center, Nijmegen, the Netherlands.

Abstract

BACKGROUND:

Vital sign measurements in hospitalized patients by nurses are time consuming and prone to operational errors. The Checkme, a smart all-in-one device capable of measuring vital signs, could improve daily patient monitoring by reducing measurement time, inter-observer variability, and incorrect inputs in the Electronic Health Record (EHR). We evaluated the accuracy of self measurements by patient using the Checkme in comparison with gold standard and nurse measurements.

METHODS AND FINDINGS:

This prospective comparative study was conducted at the Internal Medicine ward of an academic hospital in the Netherlands. Fifty non-critically ill patients were enrolled in the study. Time-related measurement sessions were conducted on consecutive patients in a randomized order: vital sign measurement in duplicate by a well-trained investigator (gold standard), a Checkme measurement by the patient, and a routine vital sign measurement by a nurse. In 41 patients (82%), initial calibration of the Checkme was successful and results were eligible for analysis. In total, 69 sessions were conducted for these 41 patients. The temperature results recorded by the patient with the Checkme differed significantly from the gold standard core temperature measurements (mean difference 0.1 ± 0.3). Obtained differences in vital signs and calculated Modified Early Warning Score (MEWS) were small and were in range with predefined accepted discrepancies.

CONCLUSIONS:

Patient-calculated MEWS using the Checkme, nurse measurements, and gold standard measurements all correlated well, and the small differences observed between modalities would not have affected clinical decision making. Using the Checkme, patients in a general medical ward setting are able to measure their own vital signs easily and accurately by themselves. This could be time saving for nurses and prevent errors due to manually entering data in the EHR.

PMID:
29432461
PMCID:
PMC5809012
DOI:
10.1371/journal.pone.0190138
[Indexed for MEDLINE]
Free PMC Article

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