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Intracranial Aneurysm surgery in India

A brain aneurysm is also referred to as intracranial aneurysm or cerebral aneurysm. The weak and abnormal spot on a blood vessel that results in an outward ballooning or bulging of the arterial wall is referred to as brain or cerebral aneurysm. This aneurysm can create a sac from one wall, can include all the walls of the blood vessel or can even dissect all the vessel walls. Any vessel in the body can get affected by an aneurysm but presence of aneurysm in the head can result in serious medical condition. An aneurysm in the head ruptures resulting in a hemorrhagic stroke that can cause brain damage and even death. These aneurysms are generally found in the subarachnoid space and accounts for about 90% of the subarachnoid hemorrhages.

An aneurysm varies in size from 1/8 inch to approximately 1 inch. Aneurysms which are bigger than 1 inch are known as giant aneurysm and are very hard to treat.

  • The rarest form of aneurysm is Mycotic aneurysms that are caused by an infection. This infection can weaken and damage the blood vessel and also increase the chances of rupture. Subacute bacterial endocarditis is responsible for causing this infection. When a cerebral blood vessel acquires trauma from a head injury then traumatic aneurysms can occur.
  • Berry or saccular aneurysms are considered as the most common type and are in the shape of a small sac.
  • The diffused swelling of the vessel is known as Fusiform that includes the complete circumference of the blood vessel. When the surrounding brain is compressed by the Fusiform then it results in stroke-like symptoms.

Symptoms of Brain Aneurysm

The condition of brain aneurysm does not result in any symptoms and are usually discovered at the time of some other tests for an unrelated condition. An unruptured aneurysm presses on the different areas of the brain that can result in many problems. During this time a person suffers from blurred vision, neck pain, severe headaches and changes in speech. Usually the symptoms of a ruptured brain aneurysm occur unexpectedly. Some other symptoms our –

  • Seizures
  • Neck pain
  • Loss of consciousness or fainting
  • Unexpected severe headaches which are unlike past headaches
  • Sensitivity to light
  • Vomiting and nausea

Causes of Brain Aneurysm

An aneurysm can occur due to the hardening of the arteries and aging. An individual may also inherit the tendency of developing aneurysms. The risk factors associated with brain aneurysms can be controlled while the other risk factors cannot be controlled. Here are some risk factors that increase the chances of forming an aneurysm and if a person already developed aneurysm then there are chances of rupture –

  • Previous Aneurysm : There are chances of developing another aneurysm when a person already had a brain aneurysm.
  • Hypertension : There are more chances of subarachnoid hemorrhage in those who have a history of hypertension.
  • Family History : A family history of brain aneurysm can increase the chances of developing an aneurysm as compared to those who don't have.
  • Smoking : Smoking is also one the cause of developing a brain aneurysm where an aneurysm may also rupture.

Diagnosis of Brain Aneurysm

A number of tests are performed for diagnosing the condition of brain aneurysm, some of them are :-

  • Cerebral Angiogram : In this X-ray test, there is an insertion of a catheter from a blood vessel in the arm. It is then moved up from the vessel within the brain. Then into the cerebral artery, a dye is injected. This test is ideal for locating small brain aneurysms.
  • Computed Tomography (CT) Scan : This test can help in examining the bleeding in the brain. Lumbar puncture can be used if a person is diagnosed with ruptured cerebral aneurysm along with a subarachnoid hemorrhage.
  • Computed Tomography Angiogram (CTA) Scan : As compared to standard CT scan, CTA is considered as the best method for examining blood vessels. CTA involves special computer techniques, CT scanning and contrast material which is inserted into the blood for producing pictures of the blood vessels.
  • Magnetic Resonance Angiography (MRA): Just like CTA, pulses of radio wave energy and magnetic field is used in MRA. This provide for pictures of blood vessels within the body. A dye is used while performing MRA in order to view blood vessels properly.

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