Cerebral Angiography for the Treatment of Cerebral Ischemia

What is a Stroke?

A stroke occurs when something is preventing oxygenated blood from reaching the brain.

General Info

Statistics 273,000 people die every year from

a stroke in the U.S. 700,000 people in the U.S. suffer a

stroke every year. 3rd leading cause of death.

Types of Strokes

IschemicThis type of stroke is caused by a

blockage. Hemorrhagic

This type of stroke is caused by bleeding in the brain.

Ischemic Strokes

Causes Blood Clot

• Embolic vs. Thrombotic

Stenosed artery• Atherosclerosis

• Causes: High cholesterol diet, high blood pressure, smoking, heredity, and inactivity

Coronary Artery Disease

Caused by atherosclerosisMost common cause of strokeCarotid endarterectomy most common

procedure.

Signs and Symptoms

Onset of Symptoms Embolic – rapid onset Thrombotic – gradual onset

Signs Blindness or hearing problems Confusion Dizziness and/or loss of balance Numbness or weakness on one side of body Severe headaches

Additional Symptoms

Other symptoms may include:Nausea and/or vomitingTIA’sLoss of consciousness

• Fainting, seizures, or coma

Diagnostic Tests

3 – hour time frame Primary tests

CT or MRI Stent procedures Endarterectomy Thrombolysis

Stent Procedures

Performed for Ischemic strokes. CAD Also a prevention method.

Endarterectomy

Done for CAD Surgical procedure

Incision made in neckScoop out atherosclerotic plaque

Thrombolysis

Less invasive Catheter procedure Clot-busting drug is administered

Prognosis

Outcome will vary depending on several factorsLength of time before treatment is

givenSeverity of attackEfficacy of procedure