Dogs can detect Parkinson’s disease before the appearance of symptoms, discover the study
“My dog detected my cancer before the doctors did”
Breanna Bortner’s dog, Mochi, began to fix on her breast before she was diagnosed with triple negative breast cancer of stadium 2b, showing unusual and intuitive behavior throughout her trip.
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The best friend of the man could offer more than the company.
In a new study by the University of Bristol, dogs detect Parkinson’s disease long before the appearance of symptoms.
Previous research has shown that people with Parkinson have increased the quantities of sebum – an oily and waxy substance with a distinctly musk odor – on the skin.
The woman says that Dog detected her breast cancer before the doctors do it: “ he is known all this time ”
In the new study, two dogs which had been trained on more than 200 smell samples were presented with skin cuttings from 130 people with Parkinson and 175 people without illness, according to a press release.
Dogs – a golden shaving called bumpers and a black Labrador named Peanut – were rewarded for having positively identified Parkinson samples and ignoring the negative samples.
In a new study by the University of Bristol, dogs detect Parkinson’s disease long before the appearance of symptoms. (istock)
Dogs have shown a sensitivity of up to 80% – which means that they have identified people with the disease 80% of the time.
They reached a specificity of up to 98%, which is good to exclude people who did not have Parkinson.
“Dogs … have shown that there is a separate olfactory signature of patients with the disease.”
The University of Bristol collaborated with medical detection dogs and the University of Manchester on the study, which was published in the Journal of Parkinson’s Disease on July 15.
Although there is no early screening available for Parkinson, some early alert panels may appear years or even decades before diagnosis, according to experts.
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“The identification of diagnostic biomarkers of MP, in particular those who can predict development or help diagnose the disease earlier, is the subject of great research in progress,” said the main study author, Nicola Rooney, associate professor at Bristol Veterinary School at the University of Bristol, in the press release.
Previous research has shown that people with Parkinson have increased the quantities of sebum – an oily and waxy substance with a distinctly musk odor – on the skin. (istock)
“The dogs of this study have reached high sensitivity and specificity and have shown that there is an olfactory signature distinct from patients with disease,” she said.
“The levels of sensitivity of 70% and 80% are much random, and I think that dogs could help us develop a rapid, non -invasive and profitable method to identify patients with Parkinson’s disease.”
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Claire Guest, scientific director in medical detection dogs in the United Kingdom, has reiterated that dogs confirmed by the study can “detect” very precisely “the disease.
“The appropriate time diagnosis is essential because subsequent treatment could slow the progression of the disease and reduce the intensity of symptoms,” she said in the press release.
The dogs (not illustrated) were rewarded to positively identify Parkinson’s samples and to ignore negative samples. (istock)
Perdita Barran, professor of mass spectrometry at the University of Manchester, said that the study “adds to all evidence showing that simple and non -invasive skin cutters can be used to diagnose Parkinson’s disease, offering a faster and more accessible method for early detection.”
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For the future, the team plans to carry out longer -term studies to assess the capacity of dogs to detect parkinson before diagnosis.
The Michael J. Fox Foundation and the United Kingdom of Parkinson financed this study.
