Health
Medical devices could become safer with this new breakthrough, experts say
Researchers from the University of British Columbia (UBC) have developed what’s being considered “a groundbreaking coating” that could make medical devices safer.
For millions of patients, this could mean reducing the risk of thrombosis (or blood clot formation) and dangerous bleeding, according to a UBC press release.
The new material, which is designed for tubing in various medical devices, mimics the “natural behavior of blood vessels.”
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This allows for the safer use of blood-contacting devices, such as catheters, stents, blood-oxygenation machines and dialysis machines, the release stated.
The coating could prove especially helpful in cases where blood clots are a bigger concern.
Blood thinners are usually prescribed in high doses to prevent clots in machine users, but this can increase the risk of dangerous bleeding, according to the university.
“Since almost all synthetic materials activate blood upon contact, this is an enormous challenge.”
“By designing a coating that mimics the body’s natural approach to preventing clots, we’ve created a solution that could dramatically reduce the need for risky blood thinners before and after patients use these devices,” the study author wrote in an email.
Dr. Jayachandran Kizhakkedathu, professor of pathology and laboratory medicine at the University of British Columbia, shared with Fox News Digital that this discovery could be a “transformative step in the development of safer medical devices.”
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The research – which was published in the journal Nature Materials – confirmed that mimicking the body’s own mechanisms, instead of repelling blood components, is “key to truly biocompatible device design,” according to Kizhakkedathu.
Kizhakkedathu mentioned that there has been a “steady rise” in the use of blood-contacting devices over the past few decades, but noted that this has been limited by blood clot risk, which can be “detrimental to the health of patients.”
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“Since almost all synthetic materials activate blood upon contact, this is an enormous challenge,” he went on.
Developing materials that can “inherently avoid coagulation activation” has been a long-term goal, according to Kizhakkedathu.
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“There are no effective methods to prevent thrombosis and inflammation in devices, and little progress has been made over several decades in spite of significant efforts,” he went on.
“However, our chemistry design allowed us to develop a non-toxic polycationic molecule and develop a surface that prevents blood clotting.”
Kizhakkedathu mentioned that this development is still in the early stages and needs further research in more challenging cases and among other animal models.
“We hope this approach will also inspire and benefit other scientists in this field,” he told Fox News Digital.
“For the general public, there is increased hope to create highly improved medical devices where thrombosis concern is no more.”
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Health
‘I’m a dentist – here’s why you should never keep your toothbrush near the toilet’
It may seem logical to keep your oral care products in the bathroom – but some experts say you might want to think twice about where to place your toothbrush.
Dr. Ellie Phillips, DDS, an oral health educator based in Austin, Texas, shared the gross reason she’d never recommend keeping your toothbrush near a toilet, especially in a small bathroom.
“The bacteria from the toilet will land on your toothbrush,” she warned. “And your toothbrush picks up all the bacteria in your mouth in a single use.”
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“You could actually brush your teeth with a brand-new toothbrush, clip off the end and send it to the lab, and they would give you the full profile of your mouth,” Phillips added.
In a toothbrush with dense bristles, bacteria can “go down and multiply” and then “become anaerobic,” which means it could become a more aggressive form, according to Phillips.
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“Toilet bacteria, or the air from bathrooms, can interact with this and create a worse scenario,” she said. “So, you will share the bacteria of people who you live in close community with.”
This exposure to bacteria can aid in the development of dental diseases that could take a “long time to form,” Phillips cautioned.
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If keeping your toothbrush away from the toilet is not an option, Phillips recommends brushing your teeth in the kitchen sink instead.
The best way to clean a toothbrush is to allow it to dry fully, which will kill bacteria, the expert advised.
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She also recommends using a toothbrush that isn’t too soft, with “lots of bristles at different lengths” that can dry itself and clean the mouth effectively.
“You don’t need $350 worth of a toothbrush, but many toothbrushes are not effective. They’re too soft. They get infected easily, and you need to dry them,” she said.
“Look after yourself,” Phillips went on. “If your mouth is healthy with healthy bacteria and a healthy biofilm, it’s almost like a bulletproof internal skin over your teeth, gums and mouth that rejects intruder bacteria.”
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