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Clinical Validation of the Spirohome Clinic Ultrasonic Spirometer in Child and Adolescent Patients.
Sekerel, Bulent Enis; Unsal, Hilal; Sahiner, Umit Murat; Uysal Soyer, Ozge; Damadoglu, Ebru; Karakaya, Gul; Kalyoncu, Ali Fuat.
  • Sekerel BE; Division Pediatric Allergy and Asthma, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Unsal H; Division Pediatric Allergy and Asthma, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Sahiner UM; Division Pediatric Allergy and Asthma, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Uysal Soyer O; Division Pediatric Allergy and Asthma, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Damadoglu E; Division of Allergy and Immunology, Department of Chest Diseases, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Karakaya G; Division of Allergy and Immunology, Department of Chest Diseases, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Kalyoncu AF; Division of Allergy and Immunology, Department of Chest Diseases, Hacettepe University Faculty of Medicine, Ankara, Turkey.
J Asthma Allergy ; 15: 219-229, 2022.
Article in English | MEDLINE | ID: covidwho-1690579
ABSTRACT

BACKGROUND:

Spirometers are critical devices that reveal the respiratory dynamics caused by respiratory problems and their severity and facilitate their diagnosis and follow-up. Hand-held spirometers have emerged relatively recently and offer several advantages over conventional desktop systems. There remains, however, a need for reassurance of high-quality spirometry testing with next-generation portable spirometers that connect over Bluetooth® to smart device applications. In this study, we examine the accuracy and repeatability of lung function measurements of a novel hand-held ultrasonic spirometer, the Spirohome Clinic and compare its clinical performance to a reference device, the EasyOne Air.

METHODS:

Benchtop validation of the spirometers was conducted using a lung simulator device according to ATS/ERS guidelines and the ISO 26782 standard waveforms. Subsequently, 48 volunteers (pediatric patients between 6 and 11 years of age and adolescent patients between 12 and 18 years of age) performed spirometry with both the Spirohome Clinic and the EasyOne Air spirometer during their clinic visits. Spirometric data including repeated FEV1, FVC, FEV6, FEF25-75, and PEF measurements were collected.

RESULTS:

Both the Spirohome Clinic and the EasyOne Air successfully passed requirements for accuracy stated in relevant guidelines and standards for spirometry. The only statistically significant (p<0.05) difference was for FVC measurement accuracy. Clinical comparisons revealed strong correlation between spirometers in the measurement of key pulmonary function parameters including FEV1 and FVC with a Pearson's correlation coefficient of 0.99. Bland-Altman plots showed good agreement between mean differences of FEV1 and FVC with the majority measurements remaining between the limits of 95% agreement for both the entire patient cohort and also in age and gender subsets.

CONCLUSION:

The present study demonstrated that the Spirohome Clinic spirometer conforms to ATS/ERS performance requirements and validates the clinical comparability of its measurement accuracy and repeatability to the EasyOne Air. These findings support the indicated use of the Spirohome Clinic for high-quality lung function testing in clinical settings.
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Full text: Available Collection: International databases Database: MEDLINE Type of study: Clinical Practice Guide Language: English Journal: J Asthma Allergy Year: 2022 Document Type: Article Affiliation country: JAA.S345189

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Clinical Practice Guide Language: English Journal: J Asthma Allergy Year: 2022 Document Type: Article Affiliation country: JAA.S345189