The most dangerous complication of subarachnoid hemorrhage is cerebral vasospasm. Share on Pinterest Around 5 percent of people with subarachnoid hemorrhage will develop epilepsy. This intervention has a better success rate when compared to neurological clipping, and people may recover more quickly. These stop the blood flow into the aneurysm, effectively halting the hemorrhage. The surgeon then threads the tube through blood vessels until it reaches the part of the brain where they have located the aneurysm.Īfter this, the treating doctor threads platinum coils into the aneurysm through the tube. This procedure involves surgeons inserting a catheter or small plastic tube into an artery, usually in the groin or leg. This mechanism seals the blood vessel closed with a small metal clip.Įndovascular coiling is another option. Treatment can sometimes involve surgeons applying neurosurgical clipping to an aneurysm. A course of this drug may continue for around 3 weeks.Ī doctor may use morphine to treat the head pain a person experiences from a subarachnoid hemorrhage. Nimodipine treats hypertension and prevents spasms. To prevent the blood vessels near a ruptured aneurysm from going into spasm, doctors may administer a drug called nimodipine. Other causesĪ severe head injury, such as a blow to the head, can cause a subarachnoid hemorrhage. Symptoms do not often become apparent until a hemorrhage occurs. Scientists believe it may arise from fetal health issues during development in the womb.Īrteriovenous malformation is a complex, tangled web of abnormal arteries and veins that affects blood vessels in the spinal cord, brainstem, or brain. Arteriovenous malformationsĪn arteriovenous malformation is present from birth. Smoking, drinking alcohol regularly in large quantities, or having uncontrolled high blood pressure are also risk factors for an aneurysm. In some people, a congenital anomaly leads to weak and thin blood vessel walls, increasing the risk of an aneurysm. The larger the swelling, the greater the risk of bursting or rupturing.Īneurysms associated with subarachnoid hemorrhages tend to occur in a circle of arteries that supply blood to the brain. As blood pressure grows, the blood vessel balloons at its weakest point. This can be due to a weakness in the blood vessel wall.
Up to 80 percent of subarachnoid hemorrhages occur when a cerebral aneurysm ruptures.Īn aneurysm occurs when part of a blood vessel swells. Physiol Rev 2000 80:315-60.Several factors may lead to a subarachnoid hemorrhage. Nimodipine for the prevention of cerebral vasospasm following subarachnoid haemorrhage in twelve children. Nimodipine in traumatic subarachnoid haemorrhage: a re-analysis of the HIT I and HIT II trials. Treatment of cerebral vasospasm following severe head injury with the calcium influx blocker nimodipine. Kostron H, Rumpl E, Stampfl G, Russegger L, Grunert V. Traumatic subarachnoid hemorrhage and its treatment with nimodipine.
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