<qa>  What is the purpose of the Randomized Study of Surgical Ablation with Microwave Energy forThe purpose of the Randomized Study of Surgical Ablation with Microwave Energy for the Treatment of Atrial Fibrillation RESOLVE-AF trial is to determine the safety and effectiveness of the Guidant FLEX Microwave Surgical Ablation System in the treatment of permanent atrial fibrillation AF. 