HealthWatch: Screen for AFIB, Fewer Strokes?

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ORLANDO, Fla. (Ivanhoe Newswire) — According to strokecenter.com, nearly 795,000 strokes occur in the U.S. every year, and they kill over 140,000 people. But a new study suggests that you might be able to reduce risk earlier if you find one of its causes first.
One of the leading causes of a stroke is irregular heartbeat, or AFib, which up to 6.1 million people live with in the U.S.
“Some studies have suggested that the lifetime risk of having at least one episode of atrial fibrillation is one in four,” shared David DeLurgio, MD, Professor of Medicine at Emory University School of Medicine.
Every 40 seconds someone has a stroke. But knowing someone has AFib early might pose an advantage.
“Is this patient at risk of a stroke? If so, we’ll typically treat that patient with a blood thinner,” continued Dr. DeLurgio.
Blood thinners reduce the risk of stroke from four to one percent and the risk of death decreases from seven to four percent. So why not screen for the heart condition?
A group of experts recently debated the topic and concluded that while this could maximize treatment, the risk would be misdiagnosing a patient causing someone to bleed or have unnecessary discomfort.
If you want to start checking your heartbeat yourself, you can download the Fibricheck app on your smart phone which uses your camera to detect irregular heartbeats. If you have an apple watch download the Kardia app and get a Kardiaband which is an FDA approved device that senses your heartbeat.
Cardiacsense is another app that will send your ECG to your doctor when it is irregular. This app is still waiting to be approved by the FDA. One possible solution is the reading of an ECG, which records the electrical activity of the heart by a clinician. But a study in South Korea showed that ten percent of ECG’s were overread causing patients to be overtreated and have anxiety attacks from their misdiagnosis.
Contributors to this news report include: Keon Broadnax, Field Producer; Roque Correa, Editor.

BACKGROUND: Atrial fibrillation, or AFib, is the most common type of heart arrhythmia. An arrhythmia is when the heart beats too slowly, too fast, or in an irregular way. When a person has AFib, the normal beating in the upper chambers of the heart (the two atria) is irregular, and blood doesn’t flow as well as it should from the atria to the lower chambers of the heart (the two ventricles). AFib may occur in brief episodes, or it may be a permanent condition. An estimated 2.7–6.1 million people in the United States have AFib. With the aging of the U.S. population, this number is expected to increase. Approximately 2% of people younger than age 65 have AFib, while about 9% of people aged 65 years or older have it. African Americans are less likely than those of European descent to have AFib. Because AFib cases increase with age and women generally live longer than men, more women than men experience AFib.
(Source: https://www.cdc.gov/dhdsp/data_statistics/fact_sheets/fs_atrial_fibrillation.htm)

RISKS AND TREATMENT: The risk for AFib increases with age. High blood pressure, which also increases in risk with advancing age, accounts for 14% to 22% of AFib cases. Some other risk factors for AFib include obesity, diabetes, heart failure, hyperthyroidism, chronic kidney disease, heavy alcohol use, and enlargement of the chambers on the left side of the heart. AFib increases a person’s risk for stroke by four to five times. Strokes caused by complications from AFib tend to be more severe than strokes with other underlying causes. AFib causes 15%–20% of ischemic strokes, which occur when blood flow to the brain is blocked by a clot or by fatty deposits called plaque in the blood vessel lining. Some treatments for AFib can include medications to control the heart’s rhythm and rate, blood-thinning medication to prevent blood clots from forming and reduce stroke risk, surgery, and medication and healthy lifestyle changes to manage AFib risk factors.
(Source: https://www.cdc.gov/dhdsp/data_statistics/fact_sheets/fs_atrial_fibrillation.htm)

BREAKTHROUGH AFIB CARE: Sanjiv Narayan, MD, PhD, is a Stanford doctor with a very particular specialty: cardiac electrophysiology. Narayan, who now directs Stanford’s atrial fibrillation program and its electrophysiology research, had long been interested in detecting the points of electrical chaos in the heart that cause AFib. As a board-certified doctor who also has advanced degrees in neuroscience and software engineering, Narayan’s two decades of research and development produced an important new tool: FIRM-assisted ablation. FIRM — focal impulse and rotor modulation — is a combination of optical mapping, based on computational analysis, which pinpoints the exact electrical sources of the fibrillation within the heart’s tissues. Those sources, called rotors because of their circular shape, can then be destroyed with heat in a catheter-based procedure. The rotors had long been suspected, but never before mapped as distinctly as Narayan’s new patented technology was able to do. With that improved precision, most patients treated with FIRM-assisted ablation need only one procedure to end their AFib.
(Source: http://scopeblog.stanford.edu/2015/10/26/a-new-tool-to-treat-atrial-fibrillation/)

ADDITIONAL LINK: https://www.healthline.com/health-news/map-for-afib-treatment#3

? For More Information, Contact:

Mary Beth Spence, Emory Healthcare PR
marybeth.spence@emoryhealthcare.org
678-843-5850

Free weekly e-mail on Medical Breakthroughs from Ivanhoe. To sign up: http://www.ivanhoe.com/ftk

Copyright 2020 Nexstar Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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