ARMENIAN NEUROSCIENCE INSTITUTE

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Tigran Khachatryan MD

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Acute Ischemic Stroke

Acute Ischemic Stroke

Happens when a blood vessel supplying the brain is suddenly blocked (most often by a clot), causing part of the brain to lose blood flow and oxygen. Call 911 immediately. if you are experiencing sudden face drooping, arm weakness, speech trouble, severe imbalance, or sudden vision loss before scheduling a clinic appointment.

Intracranial Aneurysm

Intracranial Aneurysm

An intracranial aneurysm is a bulge in a weakened area of an artery in the brain. It can rupture and cause bleeding (subarachnoid hemorrhage), a life-threatening emergency. Treatment depends on aneurysm size, location, and shape; options include endovascular treatment (coiling/flow diversion) or minimally invasive surgery. Call 911 in the worst headache of your life.

Carotid Artery Stenosis

Carotid Artery Stenosis

Carotid artery stenosis is the narrowing of one or both carotid arteries in the neck, most commonly due to cholesterol plaque buildup. It can increase the risk of transient ischemic attack (TIA) or ischemic stroke. Treatment may include risk-factor control and medications, and in most cases, carotid endarterectomy or carotid artery stenting.

Carotid Cavernous Fistula

Carotid Cavernous Fistula

An abnormal connection between carotid arterial flow and the cavernous sinus behind the eye. It may cause eye redness, bulging eye (proptosis), pulsing noise in the head (pulsatile tinnitus), double vision, eye pain/pressure, and vision changes. Immediate consultation is required from a Neurointerventional surgeon.

Cerebral Venous Sinus Thrombosis

Cerebral Venous Sinus Thrombosis

CVST is a blood clot in the veins that drain blood from the brain. It can raise intracranial pressure and cause headache, visual symptoms, seizures, or focal deficits. It mostly occurs in adults, especially in younger people. Call 911 for severe or sudden headache, seizure, or fainting.

Chronic Subdural Hematoma

Chronic Subdural Hematoma

A gradually developing collection of blood on the brain’s surface, often after minor head trauma. Symptoms can include headache, confusion, imbalance, or weakness. A minimally invasive treatment, middle meningeal artery embolization may be considered after careful imaging reviews to prevent further blood buildup.

CSF Venous Fistula

CSF Venous Fistula

One of the most difficult conditions to recognize, even for medical professionals. It is an abnormal connection where cerebrospinal fluid leaks into nearby veins. Symptoms are usually vague and can include headache (worse upright, better lying down), with possible neck pain. Correct diagnosis is crucial for effective minimally invasive treatment.

Dural Arteriovenous Fistula (DAVF)

Dural Arteriovenous Fistula (DAVF)

An abnormal connection between arteries and veins located in the dura, the outermost membrane covering the brain. Symptoms vary and may include pulsatile tinnitus, headaches, vision changes, or neurologic deficits. Treatment options include minimally invasive endovascular therapy, surgery, or radiosurgery, depending on anatomy.

Head and Neck Venolymphatic Malformations

Head and Neck Venolymphatic Malformations

Congenital malformations of venous and lymphatic channels may cause soft-tissue swelling, discomfort, bleeding into the lesion, or functional symptoms depending on location. Treatment may include observation, sclerotherapy, medications, and, in many cases, minimally invasive intervention.

Idiopathic Intracranial Hypertension Treatment

Idiopathic Intracranial Hypertension Treatment

Idiopathic intracranial hypertension (also called pseudotumor cerebri) is increased pressure inside the skull without a tumor or other structural cause identified. Common symptoms include daily headache, ringing in the ears, and sometimes double vision. Timely treatment is critical to prevent vision loss.

Brain Arteriovenous Malformation (AVM)

Brain Arteriovenous Malformation (AVM)

An abnormal tangle of blood vessels where arteries connect directly to veins, bypassing normal capillaries. Symptoms may include headaches, seizures, or neurologic deficits, and some AVMs carry a risk of intracranial hemorrhage, which can be life-threatening.

Spine Compression Fracture

Spine Compression Fracture

A spine (vertebral) compression fracture occurs when a vertebral body collapses, often due to osteoporosis or an accident. It can cause sudden back pain, worse with standing or movement, and may lead to height loss or spinal curvature. Some improve with time, while many need targeted minimally invasive treatment.