Maze Procedure

**Definition:** A surgical treatment in which heart tissue is scarred (cut-and-sew method), excised or otherwise destroyed in an open chest approach to direct electrical signals through a more controlled path via the ATRIOVENTRICULAR NODE. It is often used to restore normal rhythms in ATRIAL FIBRILLATION.

**Tree numbers:** - E04.014.640 - E04.100.376.602 - E04.928.220.465

**Synonyms:** - Cox-Maze Operation - Cox-Maze Procedure - Maze Surgery - Maze Ablation