Overview of the MAZE Procedure
The maze procedure is a heart surgery that treats atrial fibrillation. Atrial fibrillation is an abnormal heart rhythm caused by erratic impulses in your atria (top chambers of the heart). These erratic impulses cause the atria to fibrillate (quiver).
The maze procedure is named for the maze-like network of scars that your surgeon creates on your heart muscle. The scars redirect the heart's electrical impulses, eliminating erratic impulses and restoring the heart's normal pumping function. These therapeutic scars can be made in several different ways. Your surgeon may make small incisions in the heart muscle, then sew them closed. Or, your surgeon may choose to freeze part of the muscle — or create the scar using an electromagnetic energy source.
Where is This Procedure Performed?
The MAZE procedure is performed in the cardiovascular operating room (also called the CV OR) by a cardiothoracic surgeon and the OR team. Immediately after surgery, patients recover in the Thoracic Intensive Care Unit, a 24-bed unit is directly adjacent to the cardiovascular operating room.
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