Hypoxic brain injury occurs when there is a depletion of brain oxygen levels even though cerebral blood flow is sufficient. Brain cells (neurons) may begin to die if they do not get enough oxygen. This can lead to numerous brain injuries over the course of hypoxia. A person may first need to get a brain scan or a neuropsychological test to assess the damage. They might also need to undergo some sort of brain injury rehab depending on the severity of damage. Many people may not be helped much by currently available techniques, however new therapies are continuously being created to better combat these types of brain injuries.
In the future, scientists may use stem cells to repair the damage from a hypoxic accident. Japanese scientists have recently created whole brain tissue from stem cells. Stem cells may eventually allow the replacement of a person's damaged brain cells. Recently a company has gotten the go ahead to test stem cells for stroke patients. So tests for other brain injuries may not be too far away. Robotic neurosurgeons have been created so as to allow for better brain manipulation capability.
Magnetic brain stimulation may also be used to alter the brain's plasticity to improve functioning. Transcranial magnetic stimulation has been recently used to awaken a coma patient. These tools are becoming more and more refined and will likely enable doctors to precisely activate or deactivate specific brain areas. Another novel tool called ultrasonic neuromodulation could also be used to affect neuron regeneration non-invasively. Other methods include transcranial direct current stimulation and deep brain stimulation. All of these could become future ways to rehabilitate patients.
Scientists have been developing computer simulations of the brain. It is hoped that these simulations will accelerate research for specific types of brain disorders. They could be used to test out manipulations or new pharmaceutical drugs before they are applied to a patient. Many of the more ambitions computer simulations may not be that far off (10-15 years).
Brain-computer interfaces could be used to help those patients who are currently paralyzed. A brain-computer interface essentially takes brain waves recordings from a person's head. Those EEG readings are then translated into the movement or workings of an external device. This would enable a so called "locked in" person to move a robotic appendage, for example, solely with their own thought processes. Brain scanning technology is also getting better and is able to help in a variety of ways. Brain scans have enabled doctors to communicate with patients who have had severe brain damage. MRI brain scans are also getting higher resolution of detail so as to allow doctors to assess injuries better.
There are both hypoxic and anoxic damage. Anoxic refers to having a total lack of oxygen to the brain, while hypoxic only refers to a partial lack of oxygen. The more severe the oxygen depletion the higher the likelihood of having a negative effect from it. The depletion can lead to a variety of detrimental impairments on a person's functioning. This type of insult can have a devastating impact on many psychiatric, cognitive and physical functions. It also depends on what area of the mind is affected.
In mild cases of hypoxic head damage a person may have some memory loss. Other symptoms that they might get include having poor judgment and inattentiveness. In the worse cases of hypoxia, a person may get to a state where they are not aware or responsive to stimuli. This may lead to brain death. A brain damage of this nature is very serious. The mind can be readily susceptible to this damage in the same manner as other types of head injuries.
When a person undergoes brain death several different things can happen. In brain death, several basic functions are intact. These functions include the blood circulation of the body. A person remains alive, but they are otherwise unconscious and cannot be awoken.
The treatments for hypoxic brain damage depend on the cause of this insult. Rehabilitation or recovery of patients is dependent on how long they were deprived of oxygen. The longer they were deprived, the more brain cell loss there is. A lot of patients who had had a hypoxic brain insult recovered without being unconscious for a long time period.
Cerebral hypoxia is usually classified into four main categories. There is global cerebral ischemia, focal cerebral ischemia, cerebral infarction and diffuse cerebral hypoxia. The damage can also be classified by the causes of the injury. These categories include hypoxic hypoxia, histotoxic hypoxia, ischemic hypoxia and hypemic hypoxia.There are a variety of causes of cerebral hypoxia. These causes include choking, strangulation, low blood pressure, drowning, cardiac arrest, asphyxiation, drug overdosing, carbon monoxide, trachea compression, birth injuries, high altitude, respiratory muscle paralysis, anesthesia complications.
When a person has undergone cerebral hypoxia, they may need to have an examination to determine the damage. A battery of tests may be performed on the individual. They may need to get a magnetic resonance imaging MRI head scan. An echocardiogram and an electrocardiogram may also be performed. Electroencephalogram may also be done along with blood tests.
Hypoxic-ischemic injury most commonly occurs after a woman gives childbirth. Newborns who have undergone hypoxic-ischemic encephalopathy may face a variety of different disorders if they are able to survive. They may face epilepsy, mental retardation, lifelong neurological problems, cerebral palsy or other learning problems. Hypoxic ischemia can be very devastating. This type of pediatric brain injury may have very long term consequences.
Hypoxic brain injury is a type of acquired brain injury. Acquired brain injuries occur after a person's birth. ABI may be due to an insult of the mind or something else like an infection, anoxia, a tumor or an aneurysm.
Other types of injury include, ischemic, hypoxic ischemic, mild, severe, head injury, neonatal, coma, perinatal asphyixia, closed, concussion, stroke, minor.
1 comments:
This Is very helpful. My dad had a cardiac arrest and led to hypoxic brain injury. Its been 2 years and there are good amount of improvements in his condition. He has gained his respnses to 50% , he laughs , smiles , cries, tries to talk but can't since he still has Tracheostomy. Please suggest something that we can do to improve my dad's condition.
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