Treating the side effects of bypass surgery

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Treating the side effects of bypass surgery

From the inception of cardiac bypass surgery, up to 25% patients have been plagued with a dangerous heart rhythm disorder after their surgery. Some researchers at the Washington University School of Medicine in St. Louis believe that they have developed a treatment for treating this fatal side effect of bypass surgery. Atrial fibrillation (AF) is one of the most common side effects of open heart surgeries (such as coronary artery bypass grafting and heart-valve procedures). During atrial fibrillation the upper chambers of the heart or atria quiver erratically. This may lead to blood clot that can cause stroke or heart failure (if remain untreated). Researchers discovered that atrial fibrillation occurs due to the post-operative inflammation of heart muscles. This inflammation changes the electrical properties of the atria which in turn lead to a chaotic or non-uniform conduction of electricity through the cardiac muscle. As the researchers believed that the inflammation is the main cause of atrial fibrillation, they tried certain anti-inflammatories to reduce/prevent the chances of atrial fibrillation. The research performed on dogs revealed that anti-inflammatory medication has the potential to decrease the incidence of atrial fibrillation after cardiac surgery.

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