CPT® Code 33255

Operative tissue ablation and reconstruction of the atria, specifically through an extensive maze procedure, is a surgical intervention aimed at correcting chronic atrial fibrillation. Atrial fibrillation is characterized by rapid and uncoordinated contractions of the upper chambers of the heart, leading to an irregular and often rapid heartbeat. The maze procedure is designed to create new electrical pathways within the heart, allowing for the proper conduction of electrical impulses. This is achieved by making precise incisions in the atrial tissue, which effectively interrupts the abnormal electrical signals that contribute to atrial fibrillation. The procedure is performed without the use of cardiopulmonary bypass, which distinguishes it from similar procedures that may require this support. Access to the heart is typically gained through a midline sternotomy, where the chest is opened to facilitate the surgical intervention. The goal of the maze procedure is not only to restore normal heart rhythm but also to allow the atria to regain their ability to hold and pump blood effectively, thereby improving overall cardiac function.