Incorporating personal-device-based point-of-care ultrasound into obstetric care: a validation study

Personal-device-based point-of-care-ultrasound (P-POCUS) probes plug directly into a cell phone or tablet to function as its display, creating the potential to increase access to obstetric ultrasonography in complex healthcare settings (COVID units, low resource settings); however, new technology mu...

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Bibliographic Details
Published in:American journal of obstetrics and gynecology 2022-04, Vol.226 (4), p.552.e1-552.e6
Main Authors: Leggett, Cecilia B., Naqvi, Mariam, Esakoff, Tania F., Diniz, Marcio A., Wong, Melissa S.
Format: Article
Language:English
Subjects:
access to care
COVID-19
Female
fetal biometry
Humans
obstetrics
Personal-device-based-point-of-care-ultrasound
pocket ultrasound
Point-of-Care Systems
point-of-care-ultrasound
Pregnancy
Prospective Studies
Reproducibility of Results
technology
Ultrasonography
Ultrasonography, Prenatal
ultrasound
validation study
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Summary:Personal-device-based point-of-care-ultrasound (P-POCUS) probes plug directly into a cell phone or tablet to function as its display, creating the potential to increase access to obstetric ultrasonography in complex healthcare settings (COVID units, low resource settings); however, new technology must be proven to be reliable in the obstetric setting before integrating into practice. To evaluate the intraclass correlation (reliability) of personal-device-based-point-of-care-ultrasound devices as compared with standard ultrasound machines in obstetrics. This was a prospective, observational study of patients between 19–39 weeks gestation in an urban, prenatal ultrasound diagnosis center. Each patient underwent assessment by an expert sonographer using standard ultrasound machines and personal-device-based-point-of-care-ultrasound devices to determine estimated fetal weight. The statistical reliability and agreement between the estimated fetal weights was assessed through intraclass correlation coefficients, Bland-Altman plots, and Pearson correlation coefficients. 100 paired sets of scans were performed from October 2020 to December 2020. For the estimated fetal weights, there was near-perfect agreement, with an intraclass correlation coefficient of 0.99 (P
ISSN:0002-9378
1097-6868
DOI:10.1016/j.ajog.2021.11.031