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Stroke treatment needs to be fast and precise. No matter where you are in Louisville, Southern Indiana or the broader region when stroke symptoms occur, Norton Neuroscience Institute is ready to provide award-winning care. More stroke patients and others with neurological conditions trust their care to the specialists of Norton Neuroscience Institute than any other provider in the area.
Norton Healthcare operates the area’s largest stroke system. At its core is Norton Brownsboro Hospital, which is certified as a Comprehensive Stroke Center by DNV Healthcare — the highest designation available.
The Norton Healthcare emergency stroke teams stand ready around the clock every day of the year to activate a well-rehearsed response when emergency medical technicians alert them to an incoming suspected stroke or when a patient enters an emergency department.
Learn more about the live-saving drug known as tPA and how it works
A precise diagnosis of the type of stroke and where in the brain the stroke is happening is critical to restoring blood flow to the brain quickly and giving the patient the best chance of recovery. Most strokes are ischemic, meaning they are caused by a clot blocking blood flow to the brain or inside the brain. The other type is a brain-bleed stroke, or hemorrhagic stroke. Each requires a different treatment approach.
Many ischemic strokes can be treated with a powerful medication that breaks apart a blood clot.
Others require minimally invasive endovascular procedures to insert a tiny tool through the blood vessels and thread it up to the site of the clot or the source of the bleeding. The tools clear the blockage and can retrieve the clot from the body or repair any broken blood vessels.
The emergency stroke team needs to determine the type of stroke and rule out a brain tumor, reaction to medication and other possible causes of your symptoms.
Newly installed biplane X-ray technology at Norton Brownsboro Hospital provides high-resolution imaging that allows surgeons to better see the source of a stroke. The technology has two X-ray tubes that rotate around the patient on the operating room table to capture images that are combined digitally to produce a 3D, finely detailed picture of the blood vessels.
Norton Brownsboro Hospital’s two hybrid biplane rooms were the second and third in the country with such technology.
Norton Healthcare’s four adult-service hospitals each were awarded the American Heart Association Get With the Guidelines – Stroke designation. Norton Brownsboro Hospital received the highest possible award — Gold Plus.
Tissue plasminogen activator (tPA) is a protein that triggers enzymes in blood to break clots apart.
Without blood supply, brain cells start to die at a rate of about 32,000 a second. To be effective, the medication must be administered within 4 1/2 hours of the first symptoms of a stroke.
Norton Neuroscience Institute’s comprehensive stroke system consistently beats the American Heart Association (AHA) aggressive benchmarks to deliver tPA to ischemic stroke patients quickly and safely.
The AHA awarded its Get With the Guidelines – Stroke designation to Norton Healthcare’s four adult-service hospitals.
For example, when EMTs alert a Norton Healthcare hospital that they are on the way with a suspected stroke case, an emergency stroke care team will get ready with CT) scanning equipment and keep a table free for the incoming patient. Kits are set up that contain the medication and tools for mixing the tPA and delivering the appropriate dosage. The board-certified, fellowship-trained neurologists and neurosurgeons of Norton Neuroscience Institute begin reviewing details about the patient’s condition.
The emergency stroke care team includes:
About 85% of strokes are ischemic — caused by blood clots that block blood flow to the brain either in the neck or the skull. The clots typically form in the heart or nearby blood vessels as plaque that has built up breaks away. Once in the bloodstream, the clot can fall apart on its own. If it gets lodged in an artery that supplies blood to the brain, it causes a stroke.
Norton Healthcare operates the area’s largest stroke care system and is ready 24/7 to treat patients. If you are having symptoms of a stroke — or you are with someone who is — call 911 immediately!
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Ischemic strokes most often are treated with tPA administered intravenously in the arm. The medication prompts a clot to break apart, restoring blood flow.
In some cases, especially if the clot is large and located in one of the main arteries in the brain (large vessel occlusion), the best treatment may be to remove the clot manually. Norton Neuroscience Institute endovascular surgeons can remove clots with minimally invasive tools. A tiny wire cage is threaded through a blood vessel, usually through the groin, up to the site of the clot in the brain.
The endovascular surgeon opens the tool and grabs the clot, which is secured inside the tool and retrieved.
The procedure, a mechanical thrombectomy, can be performed in conjunction with tPA or as long as 24 hours after the start of symptoms.
A transient ischemic attack, sometimes also called, incorrectly, a “mini stroke,” can last only a few minutes and not cause permanent damage. But a transient ischemic attack should be considered as a warning, as many people go on to have strokes.
Signs of a transient ischemic attack resemble early stroke symptoms and go away, usually within an hour. Since treating stroke successfully relies on speed, get emergency care right away if you or someone close to you has stroke symptoms.
A brain bleed, or hemorrhagic stroke, occurs when a blood vessel in the brain leaks or bursts. The leaking blood puts pressure on the brain, killing brain cells. A brain bleed can be caused by conditions such as high blood pressure, an aneurysm (bulges in a blood vessel that can burst) or an arteriovenous malformation (known as an AVM, it’s an abnormal tangle of capillaries connecting an artery and vein).
Brain bleeds, also called cerebral hemorrhages, typically occur inside the brain, but also can result from bleeding just under the tissues that cover the outside of the brain.
Treatment of a hemorrhagic stroke depends on its severity. Medications can be used to reverse the effect of any blood thinners you take, lower your blood pressure and lower the pressure in your brain.
If surgery is needed, Norton Neuroscience Institute endovascular surgeons will thread tiny tools through your blood vessels and up to the site of the bleeding to drain blood and repair the cause of the bleeding.
Aneurysms can be clamped or filled with a tiny coil to promote clotting through minimally invasive endovascular procedures. Some AVMs can be removed surgically, while others may be targeted with a focused beam of radiation in a stereotactic radiosurgery procedure.
It’s part of Norton Neuroscience Institute’s goal to care for the whole person, not just the condition.
More patients from Louisville and Southern Indiana seek their neurology and neurosurgery care from Norton Neuroscience Institute’s nationally recognized specialists than any other providers in the area.
Your Norton Neuroscience Institute medical provider has the expertise, experience, diagnostic tools and sophisticated treatments to provide care tailored to your needs.
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