Cerebral microbleeds were identified in 22 cases — all occurring in capillaries, the small blood vessels of the brain. This is a substantially higher rate of incidence than that reported in MRI studies, which have shown microbleeds in 18 percent of people between 60 and 69 and in 38 percent of those over 80.
It is generally accepted that elderly patients who suffer from an acute subdural hematoma should not be treated surgically, as few survive and even fewer recover to an independent life. However, the world’s population is rapidly aging leading to an increased rate of fall accidents.
In elderly individuals, amyloid protein deposits along the blood vessels can cause the vessel wall to weaken leading to a hemorrhagic stroke. Cocaine or drug abuse can weaken blood vessels and lead to bleeding in the brain. Some prescription drugs can also increase the risk of brain hemorrhage.
Blood also irritates brain tissues, creating a bruise or bump called a hematoma, which can also place pressure on brain tissue. Occasionally, you won’t feel any initial symptoms. When symptoms of brain hemorrhage appear, they may come as a combination of the following: A sudden and very severe headache.
An intracranial hematoma can be life-threatening, requiring emergency treatment. Seek immediate medical attention after a blow to the head if you: Lose consciousness. Have a persistent headache.
Brain bleeds, regardless of location, usually happen suddenly. (However, some – for example, subdural hematomas – can take days to weeks before symptoms develop.) A brain bleed causes brain damage and yes, they can be life-threatening.
A brain bleed is a serious medical emergency. Someone should call 911 if a person has symptoms of stroke or a bleed on the brain. Recovery is possible, but a person may have complications. Close supervision by a medical professional after treatment can help reduce the risk of complications.
Symptoms of a subdural hematoma may include:
Some patients recover fully after the bleeding if proper treatment is provided, but others survive with various complications. Possible complications that the patients could endure include loss of brain function, stroke, and adverse reactions to medications.
Complications can occur before or after medical treatment, and can include: Rebleed – until the damaged vessel is repaired, there is a risk of re-bleeding. This commonly occurs 24-48 hours after the first bleed and, if left untreated, carries an increased risk of further complications including death.
Annually, more than 20,000 individuals in the United States die of intracerebral hemorrhage. Intracerebral hemorrhage has a 30-day mortality rate of 44%. Pontine or other brainstem intracerebral hemorrhage has a mortality rate of 75% at 24 hours.
Emotional or physical stress can cause such circulatory changes, mediated in part by catecholamine secretion. If so, this case supports Caplan’s hypothesis1,4 that acute rises in blood pressure or cerebral blood flow may cause rupture of perforating cerebral vessels.
Many hemorrhages do not need treatment and go away on their own. If a patient is exhibiting symptoms or has just had a brain injury, a medical professional may order a computerized tomography (CT) scan or a magnetic resonance imaging (MRI) scan to check for brain hemorrhages.
Intracranial hematomas (brain bruising and bleeding) may occur after hitting your head. The force of the impact often ruptures the brain’s delicate blood vessels, causing blood to fill the intracranial space.
In fact, of the 795,000 Americans who will have a first stroke this year, 23 percent will suffer a second stroke.