Medical detection dogs can help diabetics manage insulin levels, finds study

Detection dogs spotted 83 per cent of more than 4,000 episodes of unacceptably high or low blood sugar during trial, and provided a quicker alert than other monitors in some cases

dog sniff out type 1 diabetes

New research by the University of Bristol in collaboration with Medical Detection Dogs has found that the best trained alert dogs have the potential to vastly improve the quality of life of people living with Type 1 diabetes.

Tradition has it that dogs are our best friends, and researchers have been putting this special connection between canines and people to good use.

Dogs are currently trained to sniff out illegal drugs at airports, to support people with impaired vision, as therapy animals for people living with post-traumatic stress disorder (PTSD) and even, sometimes, to detect cancer in people.

The University of Bristol research found medical detection dogs were able to spot 83 per cent of more than 4,000 episodes of hypoglycemia (low blood sugar) and hyperglycemia (high blood sugar), minimising the risk of harmful health complications.

They can be particularly effective in monitoring patients who might have unexpectedly low glucose levels at night or for young people who are less able to keep track of their blood sugar with a conventional device.

This was the case for Archie, who was diagnosed with type 1 diabetes just after his first birthday and, after years of night-time hypoglycemic attacks, was paired with two-year-old Labrador named Domino, by charity Medical Detection Dogs (MDD).

“Before Domino we were in a void, we never knew where to turn, we were unsettled,” Archie’s mum Jayne said. ”He has brought sunshine into our lives – he is the last piece of the jigsaw. Now we are sleeping more, relaxing and feeling like a whole family.”

While Archie has a carer at school to check his blood sugar, Domino takes over the role at night and is his constant companion when the family are out, providing more than 1,300 alerts since arriving in 2015.

“He is my best buddy and he helps me feel safe,” Archie says. ”If I’m not well he’ll tell mummy and daddy and I won’t have to go to hospital. I can eat, go to bed and feel safe and happy.”

The Bristol study found the dogs “vastly improved” their owners’ quality of life by giving them peace of mind over their condition as well as other psychological benefits.

“Our study provides the first large-scale evaluation of using medical detection dogs to detect hypoglycaemia,” said lead author Dr Nicola Rooney from the university’s Bristol Veterinary School.

Some patients with type 1 diabetes are now eligible for wearable blood sugar monitors which provide a constant reading of glucose levels, but while no system is perfect Dr Rooney said the dogs sometimes outperformed these devices.

“Both can be important aspects of a diabetes care package,” Dr Rooney said, “Reports and records suggest that in some instances the dog is ahead of devices, dogs can alert parents in a different room, and they have added benefits of not being invasive and fulfilling social functions as well.”

She added, “Some owners have anecdotally reported that the buzzing of a machine alert merely reminds them that they had something wrong with them.”

“In contrast, being able to interact with a dog who is alerting them to a glucose rise or drop promotes some happiness in what is otherwise a recurring and burdensome event,” Dr Rooney stated.

Where blood sugar falls outside of an acceptable range, the medical detection dogs are trained to alert their owners through nuzzling or licking so they can take an insulin injection to reduce blood sugar or eat something to boost it.

Dr Claire Guest, chief executive and co-founder of MDD, said, “The findings are fantastic news for all those who are living with type 1 diabetes and other conditions.”

The charity was set up in 2008 and trains the animals in tandem with NHS trusts and families. It has trained dogs to support patients with seizures, nut allergies and other conditions.

It also trains dogs for detecting other biological substances and diseases, such as malaria.

Source: The Independent

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