Brain aneurysm: diagnosis and treatment options
Aneurysm ensues when an artery wall becomes weak and cause abnormally large lumps inside brain which may rupture and can cause internal bleeding and hemorrhage (subarachnoid hemorrhage and intracranial hematoma). Urgent medical assessment is required for a ruptured brain aneurysm. Treatment, which may include surgical clipping or endovascular coiling, depends on the patient’s condition and the aneurysm’s characteristics. Cerebral aneurysm can cause severe strokes. A brain aneurysm may be evaluated using cerebral angiography. Digital subtraction angiography (DSA) provides detailed images of cerebral blood vessels and may be recommended when clinically indicated. The choice of diagnostic imaging depends on the patient’s condition and the treating specialist’s assessment. The surgery can be done by two methods: clipping and coiling. Clipping is associated with opening the skull and directly target the aneurysm through an operating microscope under high magnification. Coiling is the same endovascular procedure done without opening the skull. Both procedures are used to treat brain aneurysms, and each has potential benefits, limitations, and risks. The appropriate option depends on the aneurysm’s characteristics, the patient’s clinical condition, and specialist assessment. Another complication related with SAH is Vasospasm (sudden or gradual blockage of blood vessels), can be dangerous and is treated by medication.
Diagnosis is primarily confirmed by cerebral angiography, with Digital Subtraction Angiography (DSA) in a Neurocathlab being the gold standard. Surgical treatments include clipping, which requires opening the skull to place a clip at the aneurysm base under a high-powered operating microscope, and coiling, an endovascular procedure performed without opening the skull. Both have distinct advantages and disadvantages depending on patient condition and aneurysm specifics.
Treatment Considerations and Complications
Timely treatment of cerebral aneurysms is crucial to prevent fatal hemorrhages. Aneurysm clipping and coiling are treatment options for selected brain aneurysms. The choice of procedure depends on factors such as the aneurysm’s size, shape, and location, along with the patient’s overall health and clinical assessment. Each approach has potential benefits and risks that should be discussed before treatment. Vasospasm, a sudden or gradual narrowing of blood vessels after hemorrhage, is another critical risk, treated effectively with medication to restore blood flow and reduce stroke risk. Regular monitoring and follow-up imaging play an important role in patient management.
Frequently asked questions
Weakness in artery walls due to genetics, hypertension, smoking, or trauma can cause aneurysms.
Sudden severe headache (often described as “thunderclap headache”), nausea, vomiting, confusion, seizures, and loss of consciousness.
By cerebral angiography, especially Digital Subtraction Angiography (DSA), and neuroimaging (CT, MRI) techniques.
Surgical clipping and endovascular coiling are the main treatments, chosen based on the aneurysm characteristics.
A complication causing narrowing of blood vessels after hemorrhage, treated with medications to prevent brain ischemia.