Which therapy has the least side effects? Which side effects are worth their risk and which are not? If the main objective is thinning the blood, and aspirin does that, isn't it effective? Maybe there just needs to be a reduction in the amount consumed rather than trying to find a solution which has a greater profit margin?... Since stroke is the most feared complication of AF, we need to continue to study all available therapies to understand the most effective and safest treatment choices and how to use them after ablation."