A detection dog for obstructive sleep apnea : could it work in diagnostics?

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Vaarno , J , Myller , J , Bachour , A , Koskinen , H , Bäck , L , Klockars , T & Koskinen , A 2020 , ' A detection dog for obstructive sleep apnea : could it work in diagnostics? ' , Sleep and Breathing , vol. 24 , no. 4 , pp. 1653-1656 . https://doi.org/10.1007/s11325-020-02113-1

Title: A detection dog for obstructive sleep apnea : could it work in diagnostics?
Author: Vaarno, Jenni; Myller, Jyri; Bachour, Adel; Koskinen, Heli; Bäck, Leif; Klockars, Tuomas; Koskinen, Anni
Contributor organization: Clinicum
University of Helsinki
Korva-, nenä- ja kurkkutautien klinikka
HUS Head and Neck Center
Helsinki University Hospital Area
HYKS erva
Päijät-Häme Welfare Consortium
HUS Heart and Lung Center
Department of Ophthalmology and Otorhinolaryngology
Date: 2020-12
Language: eng
Number of pages: 4
Belongs to series: Sleep and Breathing
ISSN: 1520-9512
DOI: https://doi.org/10.1007/s11325-020-02113-1
URI: http://hdl.handle.net/10138/325269
Abstract: Purpose We have previously demonstrated that dogs can be trained to distinguish the urine of patients with obstructive sleep apnea (OSA) from that of healthy controls based on olfaction. Encouraged by these promising results, we wanted to investigate if a detection dog could work as a screening tool for OSA. The objective of this study was to prospectively assess the dogs' ability to identify sleep apnea in patients with OSA suspicion. Methods Urine samples were collected from 50 patients suspected of having OSA. The urine sample was classified as positive for OSA when the patient had a respiratory event index of 5/h or more. The accuracy of two trained dogs in identifying OSA was tested in a prospective blinded setting. Results Both of the dogs correctly detected approximately half of the positive and negative samples. There were no statistically significant differences in the dogs' ability to recognize more severe cases of OSA, as compared to milder cases. Conclusion According to our study, dogs cannot be used to screen for OSA in clinical settings, most likely due to the heterogenic nature of OSA.
Subject: Obstructive sleep apnea
Detection dog
3125 Otorhinolaryngology, ophthalmology
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion

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