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Telehealth application of an ultrasonic home spirometer

Michael Doumit1,2, Rianna Ledwos3, Leanne Plush3

  • 1Department of Health Sciences, Macquarie University, Sydney, New South Wales, Australia michael.doumit@mq.edu.au.

Archives of Disease in Childhood
|March 12, 2022
PubMed

Insights

This study validated a personal ultrasonic spirometer for home use, finding it reliable for telehealth sessions but advising caution when comparing results with lab equipment.

Area of Science:

  • Pulmonary Function Testing
  • Medical Device Validation
  • Pediatric Respiratory Health

Background:

  • Spirometry is crucial for diagnosing and monitoring respiratory conditions.
  • Home-based spirometry can improve patient access and adherence.
  • Personal ultrasonic spirometers offer a portable solution for remote monitoring.

Purpose of the Study:

  • To assess the validity and home usability of a personal ultrasonic spirometer.
  • To evaluate the performance of children using the device during telehealth appointments.

Main Methods:

  • Children performed spirometry using both laboratory equipment and a personal ultrasonic spirometer.
  • Supervised telehealth sessions were conducted to assess home use.
  • Intraclass correlation coefficient (ICC) and Bland-Altman analysis were used for validity assessment.

Main Results:

  • High ICC values (0.991 for FEV1, 0.989 for FVC) indicated excellent between-device reliability.
  • Bland-Altman analysis showed wide limits of agreement, suggesting caution for interchangeable use with lab equipment.
  • 89% of supervised telehealth spirometry sessions were deemed acceptable.

Conclusions:

  • The personal ultrasonic spirometer demonstrates excellent reliability for between-device measurements.
  • While suitable for telehealth applications, caution is advised when comparing its results directly with traditional laboratory spirometry.
  • The device shows promise for remote monitoring of pediatric respiratory health.
Abstract

Keywords:
cystic fibrosisrespiratory medicinetechnology

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