Surprising results of a study revealing a strange brain condition that precedes death
Recent scientific studies, recently published in an American journal, provide amazing results about one of the most complex and dangerous stages that precede the death of a human being.
These studies provide more realistic results about what happens during biological brain death, a stage that is irreversible, irreversible, and irreversible, but one case is recorded to reverse it.
And the agency “Sputnik” reported that the study examined the stage of depolarization or depolarization in the human cerebral cortex and provided a better understanding of how the brain responds to energy exhaustion, as it provided for the first time a complete understanding of the electrophysiology of death that occurs after the cessation of blood circulation in the human brain.
"Brain death, which is different from death following a cessation of circulation, occurs while circulatory function continues," said Jens Dreyer, lead author of the study, a professor at the Center for Stroke Research in Berlin.
The scientist continued, “For example, a severe increase in intracranial pressure can lead to brain death while blood circulation continues.
However, respiration and circulation must be maintained artificially (providing healthcare services) under these conditions in the intensive care unit.
Without this support, breathing stops immediately and circulation collapses shortly thereafter due to lack of oxygen.
So, brain death is a form of death that only exists in the intensive care unit,” he said.
A nerve inside the human body - Sputnik Arabic, 1920,
The article noted the presence of two new studies, which will be published in the scientific journal “Brain”, carried out by a team of scientists as part of a large study focusing on the depolarization stage of the brain, where scientists described for the first time the “electric wave” stage of brain death.
Dreyer said that the spread of depolarization processes, or "brain tsunami", is by all accounts one of the largest events that affect the living brain. A huge amount of water enters the nerve cells, causing them to swell.
This influx can be devastating unless neurons have the energy to recover.
At this critical point the spread of depolarization marks the beginning of toxic cellular changes that eventually lead to cell death, but it is not a sign of cell death per se, because depolarization is reversible - to some extent - with restoration of the physiological state.
Many people say this is the death wave, but this is not true.
It is a wave that can lead to cell death or recovery.”
Professor at the Stroke Research Center in Berlin notes that the spread of depolarization not only occurs in dying patients, but is also a hallmark in the electrophysiology of stroke patients.
In some cases, such as a subarachnoid aneurysm, “this leads to a significant deterioration in the health of patients who are usually in the intensive care unit during this stage and are often in a coma.”
Although restoring circulation is a primary goal in emergency treatment, the researchers believe that understanding how the brain responds to energy depletion can help predict the time available for resuscitation "until irreversible damage occurs" in the brain.
An “irreversible” wave that occurs at a specific time
The study stated that "this reversible and reversible diffuse wave typically begins 2 to 5 minutes after the onset of acute ischemia, indicating the onset of a neurotoxic change that ultimately leads to irreversible injury."
The scientists made recordings by installing electrode strips or arrays in patients who had suffered severe brain damage that led to their entry into an irreversible or hopeless state that required only some palliative treatments with no opportunity for resuscitation.
Dreyer noted that the detection of this stage may be useful for patients who face the risk of brain damage or death as a result of cerebral ischemia, strokes or other cerebral diseases, and for developing strategies for treatment and reversal of this stage, revitalizing blood circulation in the body and prolonging life .
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