Lewes, DE -- (SBWIRE) -- 12/27/2017 -- Atrial fibrillation (AF) is an abnormal heart rhythm. Patients with AF experience episodes of rapid and irregular beating. As a result of irregular beating, the atrium in AF patients does not completely contract, impeding the flow of blood from the atria into the ventricles. Blood that is not expelled from the left atria collects in the sac-shaped LAA.

Once in the LAA, movement of the blood slows. As blood slows, it tends to clot. Strokes can be caused when blood clots are pumped out of the heart. As a result of increased blood clot formation, AF patients are five to seven times more likely to suffer a stroke than those without AF.

Some patients with AF take a blood thinner, such as warfarin (Coumadin), to reduce the risk of stroke. However, many AF patients dislike taking warfarin due to the increased risk of bleeding, the need to limit vitamin K intake and the increased need for blood draws to measure their international normalized ratio (INR).

LAA closure devices were developed as an alternative method of reducing the risk of stroke in AF patients. LAA closure devices are used to seal off the LAA, preventing clot formation in the LAA and eliminating the need for the patient to take blood-thinning medication.

The left atrial appendage (LAA) is a small pouch in the wall of the left atrium. It is unknown what function the LAA performs.

In patients with normal heart rhythm, the heart contracts with each heartbeat. As the heart contracts, blood is pushed from the left atrial appendage into the left atrium and from the left atrium into the left ventricle.

Spanning over 394 pages "US Market Report for Left Atrial Appendage Closure Devices 2018 - MedCore" report covers Executive Summary, U.S. Cardiac Surgery And Heart Valve Device Market Overview, Competitive Analysis, Market Trends, Market Developments, Research Methodology, Disease Overview, Product Portfolio, Left Atrial Appendage Closure Device Market, Appendix. This report Covered Companies - Edwards Lifesciences, St. Jude Medical, Medtronic, Maquet, Abiomed, HeartWare Inc., Sorin Group, Terumo, Abbott Laboratories, Teleflex Medical, Cardiac Assist, AtriCure, W.L. Gore, SynCardia, Boston Scientific, Cryolife, Others include: Berlin Heart, Cardica, Chase Medical, Genesee Biomedical, Karl Storz, LifeNet Health, Microline Surgical, Novadaq, On-X, Saphena Medical, SentreHeart, Vitalitec, etc.

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