Brain Aneurysm Specialists in Karnataka
A brain aneurysm is a weak, bulging spot on the wall of an artery within the brain that can slowly enlarge over time and, if it ruptures, causes bleeding into t…
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What is Brain Aneurysm?
A brain aneurysm is a weak, bulging spot on the wall of an artery within the brain that can slowly enlarge over time and, if it ruptures, causes bleeding into the space surrounding the brain known as a subarachnoid hemorrhage. Most unruptured aneurysms cause no symptoms and are discovered incidentally on imaging done for other reasons, but a ruptured aneurysm constitutes a life-threatening medical emergency. The characteristic warning sign of rupture is a sudden, severe headache often described as the worst headache of one's life. Risk of rupture depends on the aneurysm's size, location, and shape.
Severe
Uncommon — unruptured aneurysms are estimated to affect around 3% of the general population, though only a small fraction ever rupture
No
Causes of Brain Aneurysm
Results from weakening of the arterial wall at points of natural structural vulnerability, often at branching points of brain arteries. Risk factors include high blood pressure, smoking, family history of brain aneurysms, certain connective tissue disorders, polycystic kidney disease, and excessive alcohol consumption. The combination of inherent wall weakness and chronic hemodynamic stress from blood flow gradually enlarges the aneurysm over time.
Symptoms of Brain Aneurysm
Often asymptomatic if unruptured, though larger unruptured aneurysms may cause localized headache, vision changes, or eye pain; a ruptured aneurysm causes a sudden severe 'thunderclap' headache, stiff neck, nausea and vomiting, sensitivity to light, loss of consciousness, and seizures
Treatment & Types of Brain Aneurysm in Karnataka
Small, unruptured aneurysms with low rupture risk are often monitored with periodic imaging while risk factors like blood pressure and smoking are aggressively controlled. Larger or higher-risk aneurysms are treated preventively with minimally invasive endovascular coiling or surgical clipping to seal off the weakened vessel wall. A ruptured aneurysm requires emergency neurosurgical intervention, often coiling or clipping, along with intensive care to manage complications like vasospasm and elevated pressure within the skull.
Brain aneurysms are classified by shape as saccular (a rounded outpouching, the most common form, often at artery branch points) or fusiform (a widening along an entire segment of the vessel), and by status as unruptured (often found incidentally) or ruptured, which is a life-threatening emergency causing bleeding into the space around the brain.
Neurosurgery Specialists in Karnataka (0)
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Frequently Asked Questions
Do all brain aneurysms need to be treated?
No, small, low-risk unruptured aneurysms are often just monitored with periodic imaging while blood pressure and other risk factors are controlled.
What does a 'thunderclap headache' mean?
It refers to a sudden, extremely severe headache often described as the worst of one's life, and it's the classic warning sign of a ruptured aneurysm requiring emergency care.
Is this hereditary?
Family history increases risk, and people with a strong family history of brain aneurysms may be advised to undergo screening imaging.
How are aneurysms treated to prevent rupture?
Larger or higher-risk aneurysms are treated with minimally invasive endovascular coiling or surgical clipping to seal off the weakened area of the vessel.
What increases my risk of developing one?
High blood pressure, smoking, excessive alcohol use, and certain connective tissue or kidney conditions all increase risk.