A new mini maze procedure developed by Dr. John Sirak at Ohio State University is a promising new treatment for persistent atrial fibrillation as it closely replicates the "gold standard" Cox Maze III lesion set in the heart's left atrium.
This “five box” thoracoscopic maze procedure may be better able to treat persistent AF specifically because it is closer to the Cox Maze III lesion set. It isolates the left and right pulmonary veins and creates two additional compartments on the dome and floor of the left atrium.
Early results are promising in that 96 percent of patients were free from afib and off antiarrhythmic drugs at six months.
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