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Aneurysms occur without specific symptoms
Cambridge (Massachusetts): "Middle East"
Every year, tens of thousands of people are diagnosed with aneurysm to the brain, chest, or stomach.
"Blood"
The aneurysm, an enlarged blood vessel, a balloon or blood bag shaped like a balloon, forms at a weak point of the artery. The most common and widespread cases occur in the brain or in larger blood vessels, the aorta.
Since vasodilatation is rare, doctors do not routinely perform detection tests. Most of them are therefore discovered during a medical examination, such as ultrasounds or magnetic resonance imaging (MRI) exams. . Of course, some cases are only detected after leaks or explosions without signs or warnings.
The deadly consequences of this type of hemorrhage are explained by the fact that most people are associated with an "anemia" with feelings of fear. Understanding the causes of the disease can help prevent stretching and can determine if you need tests.
Acquired and inherited
"All cases of vasodilation are due to a weakness of the arterial wall," says Dr. Thabble Leslie, a specialist in vascular care at Massachusetts Hospital of Harvard University.This weakness can be acquired or genetically, and causes and the consequences vary depending on the location of the artery. "
* In the aorta, for example, the accumulation of fat can damage the vessel wall. As the only channel that emerges from the heart, the aorta is a high-pressure environment, so any area of weakness grows gradually. Most cases are in the abdomen, but about a quarter occur in the chest. Smoking, high cholesterol and other cardiovascular risks contribute to increase the risk of angiogenesis.
Brain vessels
In contrast, cerebral vessels are vulnerable to other causes, as these arteries more closely resemble a series of nested tubes. According to Dr. Leslie Mazowi, the junction points from which the arteries are branched are insufficiently attached, which means a weak area. High blood pressure and smoking can also weaken the blood vessels over time, allowing expansion of the brain. In fact, in hereditary cases, including vascular hemorrhagic syndrome and Danlos syndrome, as well as fibromuscular dysplasia, the risk is greater for an enlarged vascular system.
Venous extensions
Here are the three important places for expansion:
Brain cells According to Dr. Leizli Mazowi, there would be between 10 and 15 million people with "cerebral aneurysms" in the United States, according to studies based on radiotherapy and anatomy . "But most people can live their lives completely without knowing the fact of their injury and may die for another reason that is not related to the enlargement of vessels." About 30,000 cases of rupture occur each year, the The symptoms are a sudden and severe headache, while the other symptoms are loss of consciousness, nausea and vomiting.Anyone with at least two first-degree relatives ( parents, siblings or children) with an enlarged blood vessel must undergo the exam at age 20.
* Aortic aorta:
Between 2% and 8% of adults have aortic ventricular aneurysms, but this is more common in older smokers. Men aged 65 to 75 who do not smoke must have a single ultrasound.
Ventricular aneurysms show no symptoms, but large areas can cause deep gastric dislocation, rupture causes sudden and severe pain in the lower part of the stomach or back, nausea, vomiting, skin sweats , dizziness or fainting.
* The case of "chest" of blood: one in 10,000 suffers from thoracic aneurysm. The risk of this type of rare stretching is a cut at the inner wall of the aorta, which causes the blood flow to the body. Symptoms include sudden, intense pain in the chest, neck, or back. People with a first degree relative who suffer from thoracic aneurysm should be screened. Similarly, individuals with a family history of ortho-aortic problems or other genetic conditions, including Marfan syndrome, Fisclar Ehlers Danlos syndrome and Tarner's syndrome, should undergo a medical examination.
Prevention and beyond
According to Dr. Leslie Mazoy, to reduce the risk of angiogenesis, you need to keep your blood pressure under 80-130 (the lower the pressure, the better it is if you do not feel dizzy), do not do not smoke and follow a healthy diet. And exercise. If you find that your boat is enlarged, either by radiation or by chance, it is important to call in a specialist who can monitor your illness. This often requires work under irradiation and, in some cases, a specific procedure to reduce the risk of vessel rupture.
* Harvard Heart Message, Tribune Media Services.
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