A detection dog for obstructive sleep apnea

Koskinen, Anni; Bachour, Adel; Vaarno, Jenni; Koskinen, Heli I.; Rantanen, S.; Bäck, Leif; Klockars, Tuomas

doi:10.1007/s11325-018-1659-x

Cited by 6 publications

(7 citation statements)

References 27 publications

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“…The chief finding of this study was that the two trained dogs were unable to distinguish between urine samples of patients with OSA from those of control subjects who did not have OSA. This result was surprising since in our previous study, the same dogs correctly detected two-thirds of patients with OSA based on olfaction, with impressive values of statistical significance ( p < 0.000003) [ 8 ].…”

Section: Discussionmentioning

confidence: 86%

“…First, OSA patients are known to have changes in their urine metabolites [ 16 , 17 ]. In our first study, we compared samples from OSA patients with samples from healthy individuals [ 8 ]. In this second study, urine samples came from individuals with suspected OSA.…”

Section: Discussionmentioning

confidence: 99%

“…Finally, the testing procedure may have influenced the results. In the first study, dogs were presented with four samples, one of which was positive for OSA [ 8 ]. In this study, one sample was presented at a time, and the dog had to identify whether or not it was the target odour.…”

Section: Discussionmentioning

confidence: 99%

“…The dogs used in this study were a German Spitz Mittel (Dog 1; female, 4 years old) and a Labrador Retriever (Dog 2; female, 4 years old). Both the dogs and trainers had previous experience with olfactory-based detection, and they had previously been trained and tested for OSA detection in urine samples [ 8 ].…”

Section: Methodsmentioning

confidence: 99%

“…Medical detection dogs could represent an economical and robust option in screening for OSA. We have previously demonstrated that dogs can be trained to distinguish OSA urine from healthy control samples based on olfaction [ 8 ]. Two of our three dogs correctly detected two-thirds of OSA patient samples.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2020

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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.

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Section: Discussionmentioning

confidence: 86%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

et al. 2020

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Considerations for Detection Dog–Handler Teams in Infectious Agent Surveillance

Mallikarjun,

Otto

2023

Olfactory Research in Dogs

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A Biosemiotic Perspective on Reward-Based Animal Training Techniques

Lewis

2021

Biosemiotics

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In this paper, I examine the way humans interact with domestic companion animals, with a focus on ‘positive reward-based training’ methods, particularly for dogs. From a biosemiotic perspective, I discuss the role of animal training in today’s society and examine what binary reward- based reinforcement schedules communicate, semiotically. I also examine the extent to which reward-based training methods promote better welfare, when compared to the more traditional methods which rely on aversive stimuli and punishment, if and when they are relied upon excessively. I conclude that when used as the primary means of communication, they have the potential to be detrimental to animal welfare, because the underlying social signal is control and resource dominance. As an alternative view to behaviourist-based learning theory and conditioning, I outline how enactivist theories of cognition support a semiotic approach to interspecific human-animal communication. I therefore propose a move toward a dynamic semiosis and mutual understanding based upon Peirce’s phenomenology, resulting in a more balanced merging of Umwelten. The aim is to create rich and more complex semiospheres around humans and domestic animals, which allow for individual agency and autonomy.

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A detection dog for obstructive sleep apnea

Abstract: We found that dogs can be trained to distinguish obstructive sleep apnea patients from healthy controls based on the smell of urine. Potentially, dogs could be utilized to identify novel biomarkers or possibly screen for obstructive sleep apnea.

Cited by 6 publications

References 27 publications

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

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

Considerations for Detection Dog–Handler Teams in Infectious Agent Surveillance

A Biosemiotic Perspective on Reward-Based Animal Training Techniques

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