Cooling Vests

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Cooling Vests

As the weather heats up, many of us with chronic medical conditions deal with heat sensitivity.  This lens is going to explore cooling vests and various other cooling devices as I discover them.



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Cooling vest aids MS symptoms

BBC News - Health

Wearing a cooling vest can help multiple sclerosis (MS) patients with muscle strength, fatigue and balance.

A majority of MS patients report that their symptoms get worse in high temperatures, and that cooler temperatures help, at least temporarily.

It's a relatively easy treatment that brings an immediate benefit

Dr Jacques De Keyser
Researchers have developed vest and head-vest garments that attach to a box that pumps coolant fluid through tubes in the vest and cap.

But few studies have been done to determine how effective the vests are and how the cooling works within the body to reduce symptoms.

Researchers from the University Hospital in Groningen, Netherlands carried out tests on 10 patients whose symptoms were known to respond to temperature changes. Each wore the vests for an hour.

Half of the patients experienced active cooling, with the coolant set at 45 degrees.

The rest other half experienced 'sham' cooling, with the coolant set at 79 degrees, so the patients would feel a cool contact and would not know whether they were receiving the treatment or not.

A week later, the patients switched treatment.

Tests of the patients' fatigue level, balance and muscle strength were performed before the cooling and again three hours after the session.

The patients' temperatures were taken every 15 minutes.

Nitric oxide

Researchers also tested the blood of patients for white cell production of nitric oxide, a naturally occurring molecule, before and three hours after the cooling session.

The white cell nitric oxide production of 12 healthy volunteers was also tested as a comparison.

Compared to the healthy volunteers, white cells in MS patients produced more nitric oxide.

Researchers believe that nitric oxide plays a role in reducing the activity of damaged, or demyelinated, neurons in MS, and thus contributes to the development of symptoms.

Balance improved by an average of 20% for patients receiving active cooling, compared to those who received the sham cooling.

Muscle strength improved by an average of 10%.

The level of fatigue also improved significantly.

The level of nitric oxide decreased by 41% in patients receiving the active cooling.

After the sham cooling, patients' level of nitric oxide did not change.

The patients' temperatures did not drop during the cooling.

continued

Exciting finding

Researcher Dr Jacques De Keyser said: "This is exciting, because it's a relatively easy treatment that brings an immediate benefit.

"Contrary to popular belief, the beneficial effects of the cooling garment can't be explained simply by a direct cooling of the central nervous system.

"These results raise the intriguing possibility that lowering of nitric oxide production may play an important role in this."

Dr De Keyser said more research was needed on the role nitric oxide plays in the symptoms of MS.

This could lead to efforts to mimic the effects of cooling through drugs or other means.

A spokesman for the MS Society said that the technology might benefit some patients in specific circumstances. But he said more research was required.

He said: "Anything which can help alleviate the symptoms of MS would be welcomed, but at this stage it is not a question of going out, getting a cooling vest and thinking it is going to have a long term effect on the course of your MS."

Dr Christine Jones, from the MS Research Trust, told BBC News Online: "Clearly many people with MS benefit from cooling suits and there is a body of evidence both scientific and anecdotal in support of heat sensitivity in MS.

"Indeed one of the early diagnostic tests was to put people in a hot bath and if their symptoms were exacerbated, MS was considered as an option!"

The research is published in Neurology, the scientific journal of the American Academy of Neurology.

Cooling Vests on Amazon

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Ice wraps for the wrist

Keeping wrists cool is an easy, low profile way to stay cool in a pinch. Even running wrists under cool water can cool off the body. Applying ice to wrists is a great way to stay cool when a cooling vest is just a little too bulky or not warranted.
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Heat Sensitivity Poll

Many people experience heat sensitivity from either a medical condition or because of an occupational situation (ex. working in construction).

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Extreme Heat: A Prevention Guide to Promote Your Personal Health and Safety

CDC -

Heat-related deaths and illness are preventable yet annually many people succumb to extreme heat. Historically, from 1979-2003, excessive heat exposure caused 8,015 deaths in the United States. During this period, more people in this country died from extreme heat than from hurricanes, lightning, tornadoes, floods, and earthquakes combined. In 2001, 300 deaths were caused by excessive heat exposure.

People suffer heat-related illness when their bodies are unable to compensate and properly cool themselves. The body normally cools itself by sweating. But under some conditions, sweating just isn't enough. In such cases, a person's body temperature rises rapidly. Very high body temperatures may damage the brain or other vital organs.

Several factors affect the body's ability to cool itself during extremely hot weather. When the humidity is high, sweat will not evaporate as quickly, preventing the body from releasing heat quickly. Other conditions related to risk include age, obesity, fever, dehydration, heart disease, mental illness, poor circulation, sunburn, and prescription drug and alcohol use.

Because heat-related deaths are preventable, people need to be aware of who is at greatest risk and what actions can be taken to prevent a heat-related illness or death. The elderly, the very young, and people with mental illness and chronic diseases are at highest risk. However, even young and healthy individuals can succumb to heat if they participate in strenuous physical activities during hot weather. Air-conditioning is the number one protective factor against heat-related illness and death. If a home is not air-conditioned, people can reduce their risk for heat-related illness by spending time in public facilities that are air-conditioned.

Summertime activity, whether on the playing field or the construction site, must be balanced with measures that aid the body's cooling mechanisms and prevent heat-related illness. This pamphlet tells how you can prevent, recognize, and cope with heat-related health problems.

What Is Extreme Heat?

Temperatures that hover 10 degrees or more above the average high temperature for the region and last for several weeks are defined as extreme heat. ...

Read the rest of the article here

Featured Lenses

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Cooling Vests on eBay

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Cooling Products on Amazon

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Cooling Collars on eBay

A great, portable alternative to keep around.
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Please leave a note.

  • jbhumbug Aug 12, 2011 @ 11:56 am | delete
    thank you, i had heard of cooling vests via the facebook mito network, otherwise being in the uk i dont think i would have known about them. A lot with mitochondrial illness use these vests to help allivaiate them.
    informative lens
  • Khaleeka Jun 25, 2011 @ 10:13 am | delete
    great lens? you've been blessed!
  • StephenC Jun 12, 2011 @ 10:04 pm | delete
    Cool product. Never heard of it before. Nice lens.
  • Frischy Jun 4, 2011 @ 8:10 pm | delete
    Your lenses are fantastic. I have been diagnosed with transverse myelitis for 16 years. There is such a broad range in price in the cooling vests you have featured. I would be interested in a lens that reviewed each of these garments and explained why some cost three or four times the amount of others. As I try to make a decision, this kind of information would be very helpful. Thanks!
  • huvalbd Feb 19, 2011 @ 4:36 pm | delete
    Cooling vests can also be helpful for people with CFS / CFIDS / M.E. in hot climates.
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gkygrl

I am a woman who has worn many hats over the years. Currently, I am retired due to complications from multiple sclerosis. I love creating Squidoo lenses... more »

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