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subarachnoid hemorrhage

by LemonDKel 2022. 8. 1.
Overview
Among the three layers of membrane that protect the brain (dural membrane, arachnoid membrane, and mollusk from the outside), bleeding occurs in the space between the arachnoid and the mollusk called the subarachnoid cavity.It is most often caused by a rupture of a bump called a cerebral aneurysm formed in a branch of the brain′s arteries, and other causes may be a rupture of a cerebral arteriovenous malformation or head injury.It occurs relatively more in women than in men, and the risk increases after their 40s.People with high blood pressure, people who have a habit of drinking or smoking, parents and grandparents who have experienced subarachnoid hemorrhage are more likely to develop the disease.Subarachnoid hemorrhage, cerebral hemorrhage, and cerebral infarction are called strokes.cause
More than 80 percent of subarachnoid hemorrhages are attributed to ruptured cerebral aneurysm.This causes a lump in the artery in the brain, which is torn and bleeding, and then suddenly a strong headache strikes.The bump can easily form at the junction of blood vessels, ranging from a few millimeters to a few centimeters in sizeHigh blood pressure, arteriosclerosis, and aging are believed to be one of the reasons for the bump′s development, and it is said that birth factors are included, but some details have not been clarified.Smoking habits, heavy drinking, and stress also increase the risk, and the risk of developing the disease is said to be two to three times higher than that of non-smokers.Symptoms are sudden because the bump gets bigger and compresses surrounding tissue, and other cases are caused by abnormalities in the cerebral artery, which rupture and bleed, or trauma caused by traffic accidents.symptom
It is characterized by a sudden severe headache that causes a splitting head.It is described as ′a pain like being hit with a bat.′In addition to the back of the head, the side head and the center can also hurt.In addition, nausea, vomiting, and rising blood pressure can lead to dizziness and unconsciousness.Paralysis of hands and feet is not always the case.In severe cases, there is a risk of falling to death immediately after a headache occurs.A small amount of bleeding may be seen before an aneurysm bursts, and in that case, a few headaches called ′pre-announced headaches′ may occur before the aneurysm breaks.In the case of mild bleeding, the degree of headache is light, and some people do not notice that it is subarachnoid hemorrhage and wait and see.examination and diagnosis
If subarachnoid hemorrhage is suspected due to the patient′s state of consciousness or symptoms, a head CT examination or MRI examination is performed immediately to check whether there is bleeding inside the skull and around the brain.If these tests are not clear, a lumbar puncture is performed by taking cerebrospinal fluid from the waist to check for blood. If there is no severe consciousness disorder, excessive bleeding or paralysis, a catheter is used to examine the location, number and size of aneurysm.After that, surgery is quickly carried out to prevent another rupture.treatment
First of all, intensive care such as blood pressure control and respiration management is provided to maintain life support.Furthermore, if a rupture is left unattended, it will surely bleed again, so it is necessary to take measures to prevent it.In the case of subarachnoid hemorrhage caused by a rupture of a cerebral aneurysm, the head is opened under general anesthesia and the base of the ruptured aneurysm is closed with a clip to prevent blood from flowing.Alternatively, a catheter is inserted from the blood vessel at the base of the thigh to the aneurysm, and a coil is passed through to fill the bump from the inside.In the case of cerebral arteriovenous malformation, a method of removing malformation by opening the head and radiation therapy (gamma knife) are performed.The choice of treatment depends on the size, location and age of the aneurysm and deformity.If your whole body is in very bad condition when you are taken to a hospital, you cannot adapt to the surgery.For traumatic bleeding, surgery is not necessary for minor illnesses, and treatment is performed according to the symptoms.precautions after prevention/treatment
Since cerebral aneurysm, the biggest cause of subarachnoid hemorrhage, is difficult to detect, regular brain checkups are the best way to prevent it.Furthermore, since smoking and high blood pressure are cited as risk factors, improvement of lifestyle is effective.Care should be taken if any of your immediate family members have been affected.After treatment, you will have to rest for a certain period of time and return to your daily life after rehabilitation, but you need to consult a doctor because sports can put a strain on your brain.Young people are expected to recover after surgery.

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