1 Blog Detail - Best Consultant Neurologist in Hyderabad - Dr. Mohan Krishna Narasimha Kumar Jonnalagadda

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  • Dec 27,2021

A brain aneurysm is a frail, swelling region in a corridor A thick-walled vein conveying blood stream from the heart to any organ of the body, including the brain. In the brain, closely resembling a dainty inflatable or a shaky area on a tire's inner tube. Since its dividers might be week and thin, an aneurysm is in danger of breaking. Assuming an aneurysm bursts, blood spills into the space between the skull and the brain, a genuine kind of stroke inability brought about by injury to the brain. Most strokes are brought about by loss of blood stream to a piece of the brain (called an ischemic stroke or cerebral localized necrosis) or by injury identified with draining inside the brain tissue (an intracerebral haemorrhage) or into the space around the brain (subarachnoid) haemorrhage) known as a subarachnoid haemorrhage (SAH)

Types of brain aneurysms

Saccular aneurysms, likewise called "berry" aneurysms since they seem as though berries, are the most widely recognized kind of brain aneurysm. Saccular aneurysms have a "neck" that interfaces the aneurysm to its primary ("parent") course and a bigger, adjusted region called the vault. These aneurysms swell on just one side of the corridor divider. A more uncommon sort is a fusiform aneurysm An sporadic molded extending of a cerebral vessel that doesn't have a discrete neck or pocket. In which the conduit is extended on the both sides. Fusiform aneurysms don't have a characterized neck.

Understanding the Brain

To understand aneurysms, it is useful to comprehend the circulatory system of the brain. The heart pumps oxygen-and supplement loaded blood to the brain, face, and scalp through two significant arrangements of vessels: the internal carotid conduits and the vertebral courses. The throat and different veins free blood once again from the brain

Warning Signs/Symptoms

Ruptured brain aneurysms ordinarily cause bleeding   into the space around the brain, called a subarachnoid haemorrhage.(SAH)Bleeding into the space around the brain (the subarachnoid space)., which can cause sudden symptoms. Assuming you experience any of the accompanying manifestations of a cracked aneurysm, CALL 911. It is vital to comprehend that not these symptoms might be available; the best not many recorded underneath are the most widely recognized.

Do not have a family member/companion take you in a private vehicle to the emergency clinic. This is a high-stress circumstance that might require specialists on call for use lifesaving methodology in the crisis vehicle, and where time might be of the essence.


Sudden and severe headache, often described as "the worst headache of my life"

1. Nausea/vomiting

2. Stiff neck

3. Blurred or double vision

4. Sensitivity to light

5. Seizure

6. Drooping eyelid

7. A dilated pupil

8. Pain above and behind the eye

9. Loss of consciousness

10. Confusion

11. Weakness and/or numbness

Unruptured brain aneurysms  usually have no symptoms. Typically, these aneurysms are small. Many unruptured aneurysms are found incidentally when tests are being done to screen for other conditions.

Rarely, unruptured aneurysms may become large and press on nerves in the brain, causing symptoms. If you experience these symptoms, seek prompt medical attention.

·         Blurred or double vision

·         A Drooping Eyelid

·         A Dilated Pupil

·         Fan Above and behind One Eye

·         Weakness And / Or Numbness

Unruptured aneurysms rarely cause chronic headaches, however acute change in chronic headache pattern with respect to intensity or frequency would be a good reason to reach out to your health care provider.

 Causes/Risk Factors

Brain aneurysms grow quietly. Certain individuals might have inherited a tendency for weak blood vessels, which might prompt the advancement of aneurysms. Aneurysms in youngsters are uncommon, and most aneurysms likely create because of mileage on the corridors all through an individual's lifetime. Sometimes, extreme head injury or contamination might prompt the improvement of an aneurysm.

There are various risk factors that add to the development of aneurysms, listed below. Two of the most huge are, fortunately, ones that can be controlled: cigarette smoking and   high blood pressure (hypertension).

·         Smoking

·         High blood pressure (hypertension)

·         Strong Family History Of Brain Aneurysms (Familial Aneurysms)

·         Forward (over 40)

·         Gender: women have an increased risk of aneurysms

·         Race: people of color have an increased risk of ruptured aneurysms

·         Other Disorders: Ahlers-Danlos syndrome, autosomal dominant polycystic kidney disease, Marfan syndrome, and fibro muscular dysplasia

·         Presence Of An Arteriovenous Malformation (AVM) A Particular Type Of Vascular Malformation Of The Brain K An abnormal collection or tangle of arteries and veins located within the substance of the brain in which a maldevelopment of capillaries (which normally connect the arteries and veins) allows a high flow short cut through the brain.

·         Congenital Abnormality In The Artery A Thick-walled blood vessel carrying blood flow from the heart were other organ OF body, Including the brain. wall

·         Drug him, particularly cocaine

·         Excessive Alcohol Use

·         Infection

·         Severe Head Trauma

Diagnosis and Screening

Through imaging screening techniques, individuals at high risk of harboring a brain aneurysm can be easily identified with non-invasive imaging tests. An aneurysm is often diagnosed using a variety of imaging equipment. Some methods include CT scan, CTA (computerized tomography angiography) - In this procedure, a contrast dye is injected into the bloodstream prior to CT scanning. This process produces detailed images of blood flow in the brain's arteries. MRI Short for magnetic resonance imaging. MRI is a painless, non-invasive procedure that uses radio waves and a powerful magnetic field to produce detailed images of the brain and other parts of the body. And MRA Short for magnetic resonance angiography. MRA is a painless, non-invasive procedure that uses radio waves and a powerful magnetic field to produce detailed images of blood vessels.


When a ruptured aneurysm is suspected, a head CT (computerized tomography) scan is performed. This is a painless, non-invasive X-ray exam. A CT scan will show if there has been bleeding in the brain.

However, a basic CT scan does not usually show the cause of the bleeding. Using a technique called computerized tomography angiography (CTA), in which a contrast dye is injected into the bloodstream, the brain's blood vessels are highlighted and aneurysms can be seen using special imaging techniques.


Screening: Familial Aneurysms

In most cases, brain aneurysms are not hereditary, and there is generally only a single case in a family. Occasionally, however, an individual with a brain aneurysm will have other family members who are affected. When two or more first-degree relatives (parent, child, or sibling) have proven aneurysms, these are called “familial aneurysms.”

Individuals in these families may be at higher risk of developing aneurysms than the general population. Therefore aneurysm screening with an imaging study of the brain arteries is usually recommended, particularly for first-degree relatives.

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