Brain Aneurysm: Causes, Symptoms, Diagnosis, Treatment, and Prevention
A brain aneurysm is a bulge or ballooning in a blood vessel in the brain. It can be caused by weakness or thinning of the vessel wall due to various factors, such as aging, high blood pressure, smoking or genetics. Aneurysms can be silent and harmless, or they can rupture or leak, causing serious problems.
This blog post discusses the causes, symptoms, diagnosis, treatment, and prevention of brain aneurysms, as well as the different types of brain aneurysms and how they can affect your health. We hope the information we have provided will help you better understand this condition.
Causes of Brain Aneurysms
They can form anywhere in the brain, but they are more likely to form on the arteries at the base of the brain. Aneurysms develop at any age, but they are more common in adults over 40.
Brain aneurysms are not fully understood, but some factors can increase your risk of developing them:
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High blood pressure: This can put stress on the walls of your blood vessels and make them more prone to damage and weakening.
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Smoking: This can damage your blood vessels and increase your blood pressure.
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Alcohol and drug abuse: This can also damage your blood vessels and increase your blood pressure.
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Family history: If you have a close relative who had a brain aneurysm, you may have a higher chance of developing one yourself.
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Previous brain aneurysm: If you had a brain aneurysm before, you may have a higher risk of having another one.
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Head injury: This can cause trauma to your blood vessels and make them more vulnerable to aneurysm formation.
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Blood infection: This can spread to your brain and cause inflammation and weakening of your blood vessel walls.
Symptoms of Brain Aneurysms
Aneurysms that haven't ruptured usually don't cause symptoms. This is especially true if they are small. Imaging tests to diagnose other conditions may detect aneurysms as well.
Unruptured aneurysms can also cause pain and other symptoms if they press against brain tissue or nerves.
The symptoms of a ruptured aneurysm usually appear suddenly and include:
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A sudden, severe headache that is often described as the worst headache ever
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Nausea and vomiting
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Stiff neck
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Blurred or double vision
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Sensitivity to light
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Seizure
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Loss of consciousness
The symptoms of an unruptured aneurysm may vary depending on its size and location. They may include:
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Pain behind or above the eye
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Changes in vision or double vision
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Drooping eyelid
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Dilated pupil
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Paralysis or numbness of one side of the face
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Difficulty speaking or swallowing
It is important to seek medical attention immediately if you experience any of these symptoms or suspect that you have a brain aneurysm.
Diagnosis of Brain Aneurysms
Aneurysms are medical emergencies that require prompt diagnosis and treatment if you suspect that you or someone you know has one.
Your doctor will diagnose your brain aneurysm based on your medical history, physical examination, and imaging tests. They will ask you about your symptoms, when they started, what you were doing before they appeared, and if you have any risk factors.
In addition, they will check your vital signs, such as your blood pressure, pulse, and temperature, as well as your eyes, mouth, throat, and muscles for signs of paralysis.
The doctor may also order some tests to confirm the diagnosis and locate the aneurysm. These tests may include:
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CT scan
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MRI scan
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Angiogram
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Lumbar puncture
Treatment of Brain Aneurysms
The treatment of brain aneurysms depends on the type, size and location of the aneurysm, as well as your overall health and preferences. The main goals of treatment are to:
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Stop the bleeding from a ruptured aneurysm and prevent further damage to your brain
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Prevent an unruptured aneurysm from leaking or rupturing in the future
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Relieve the symptoms and complications caused by the aneurysm
The treatment options for brain aneurysms include:
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It is possible to take analgesics, antiseizure medications, antibiotics, calcium channel blockers, or antiplatelet agents to control your blood pressure, pain, seizures, infection, or other problems related to the aneurysm.
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Surgery involves opening your skull and clipping or cutting the aneurysm from the blood vessel. Surgery usually takes place under general anesthesia and may require a hospital stay. It can stop bleeding from a ruptured aneurysm or prevent an unruptured aneurysm from leaking or rupturing.
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During endovascular coiling, a thin tube known as a catheter is inserted into your groin and guided to your aneurysm through your blood vessels. A coil of metal wire is then inserted through the catheter and placed inside the aneurysm. Endovascular coiling is usually performed under local anesthesia and can result in a hospital stay and shrinkage or clotting of the aneurysm.
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Aneurysm flow diversion involves inserting a thin tube known as a catheter into your groin and guiding it through your blood vessels to the aneurysm. Flow diverters are then inserted through the catheter and placed across the aneurysm neck. The flow diverter can divert blood flow away from the aneurysm, which causes it to shrink or clot. Flow diversion is usually performed under general anesthesia and may require hospitalization.
Several factors will determine which treatment option is best for you, including the type, size and location of the aneurysm, your overall health, and your preferences. You will be able to make an informed decision based on your doctor's discussion of these factors.
Prevention of Brain Aneurysms
Brain aneurysms cannot be completely prevented, but you can reduce your risk of developing them or having them rupture by following some lifestyle measures. These measures include:
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Controlling your blood pressure by taking medications as prescribed, eating a healthy diet, exercising regularly, limiting salt intake, avoiding alcohol and tobacco, and managing stress
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Quitting smoking or avoiding exposure to secondhand smoke
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Limiting alcohol consumption or avoiding it altogether
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Avoiding recreational drugs or substances that can damage your blood vessels
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Following proper food safety guidelines by cooking, storing and preserving foods correctly
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Avoiding foods that are likely to be contaminated with bacteria that can cause blood infections
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Checking with your doctor before taking any herbal remedies or supplements that may affect your blood vessels
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Seeking medical attention if you have any symptoms of infection or inflammation in your body
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Getting regular checkups if you have any risk factors for brain aneurysms or if you have a family history of them
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Having screening tests if you have a close relative who had a brain aneurysm
Hopefully this blog post has helped you gain a better understanding of brain aneurysms and how to prevent and treat them. Remember to seek medical care immediately if you suspect or experience any symptoms of a ruptured aneurysm. Stay safe!