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Space research may help patients suffering from low blood pressure



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The researchers examined the daily activities of astronauts from space to help develop treatment for orthostatic intolerance. Because of people often lead to a feeling of low blood pressure. ( Robin Higgins | Piksabay )

In the new study on astronauts in space activities, we can better understand what makes people feel low blood pressure, even if they cost.

Researchers from the Southwestern Medical Center UT reviewed the condition called artastatychnay intolerance, to understand how it affects people and how it can be prevented. They believe that may have found the answer in the daily activities of astronauts after returning home from space flight.

What is orthostatic intolerance?

Artastatychny intolerance – a condition where some people find it difficult to stand upright, for example, when they are, according to the Institute Baker Heart and Diabetes.

Diseases with OI often feel as consciousness, but they can also feel weakness, dizziness, palpitations, or abnormal sweating and nausea. Some also have trouble concentrating during the passage of OI episode.

In most cases, informing II occurs when people go from lying to standing. This movement causes the pull blood throughout the body about gravity. The flow of blood pressure activates the receptors located in the neck and chest, which, in turn, signals the brain to tell it that the blood "went south".

Normally the body responds by activating the instinct of "fight or flight" in the nervous system. Then the nerves free transmission of nerves called norepinephrine, causing the blood vessels in the legs, abdomen and pelvis can be amplified and cause blood to go against gravity and back to the heart.

This entire sequence often occurs in less than a second to keep the blood flow and blood pressure of the body. To ensure that the brain continues to receive a good blood supply, even if people are going from lying to standing.

How to prevent orthostatic intolerance

Researchers Southwestern ute in his study looked at how astronauts deal with the rigors of space flight. They noted how some crews may not lose consciousness during a trip to Earth.

The team has monitored the health of cosmonauts eight men and four women, when they have passed their debt into space. Each participant was given a small cuff for blood pressure, being on their toes. Apparatus help monitor blood pressure and heart rate in the astronaut for several 24-hour periods before, during and after space flight.

After they returned from space, the astronaut was given to the scheme of physical exercises, as well as shots in salting, to help them cope with the consequences of intolerance artastatychnay. The researchers found that the combination prevented the occurrence of conditions.

"In order to avoid the loss of the heart muscle, has been made an hour or more of daily exercise, and when it was associated with access to hydration on their return, this was completely prevented", – said Dr. Benjamin Levine, professor of internal medicine UT. Southwestern and lead researcher of the study.

"We expect that up to two-thirds of the space crew to lose consciousness. Instead, no one fainted."

Researchers are studying how to use treatments for other similar conditions. One such disease with & # 39 is a syndrome posturtostaticheskoy tachycardia or POTS, which often causes women to suffer debilitating dizziness.

The magazine describes the results of studies UT Southwestern circulation.

Ⓒ TECHTIMES.com 2018 All rights reserved. Do not reproduce without permission.

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