Brain Bleeds and Hemorrhage
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Most of the conditions discussed in the next pages will involve pathology that can and usually must be reversed by brain surgery. This may include brain bleeds caused by trauma to the head. Advances in brain surgery over the last decades have resulted in a much higher percentage of severely brain injured persons surviving and having some hope for recovery. Perhaps an even more significant development in saving lives has been methods of more rapidly getting injured persons including those with brain bleeds to trauma center, often by helicopter and in assessing these conditions, primarily through the CT scan.
If rapid intervention does not occur, the risk of death is significant and the extent of damage to brain tissue will go up exponentially as time passes.
Hi, this is Attorney Gordon Johnson. And I want to talk about some of the objectives of neurosurgery or brain surgery. As we talked about in our previous video, the single biggest thing that typically is a risk factor after a severe brain injury is the increase in intracranial pressure that comes from the flow of blood into the brain without it being properly drained out of the brain or as a result of a bruise which creates swelling much like your ankle might swell up. …Read the transcript of this video…
An intracranial lesion is a brain bleed. The brain, even more than most parts of the body, is filled and fueled by blood. If any part of the brain is cut or ruptured, it will cause a brain bleed. Brain bleeds can be rapid or slow, but always involve potentially fatal pathology. A bleed can either be directly to a blood vessel or to brain tissue itself. The bigger the blood vessel involved, the shorter time period there is to repair the brain bleed to prevent further brain damage and or death.
While the brain is a large percentage filled with blood, that blood is only healthy if within blood vessels. Blood improperly touching brain tissue, such as neurons, is toxic to that tissue. Thus, after significant bleeding in the brain, much of the area where the bleeding occurred will see large scale cell death. Thus, one of the first goals of brain surgery is to stop the bleeding so that it does not kill additional brain cells.
An epidural hemorrhage is a bleed which occurs between the dura (the coating around the brain – see the previous page) and the brain. While this bleed does not have the same risk of directly damaging brain tissue, the epidural space is an area where bleeding may quickly result in a compression of the brain as the epidural space fills with blood. Prompt brain surgery has great success in reducing the damage from an epidural hemorrhage.
The subdural hemorrhage is a bleed which occurs between the dura and the brain. This bleed cannot only involve the risks of compression of the brain tissue as in an epidural bleed, such a bleed also risks direct injury to the brain cells. Brain surgery is almost always critical.
A subarachnoid hemorrhage is a bleed in the subarachnoid space, which is deeper inside the skull, between the dura and the brain. See below:
Gordon S. Johnson, Jr., the author of this page is a lawyer, not a doctor, who practices law with the Brain Injury Law Group, S.C. Click here for more on the firm.