Atrial Fibrillation · Medical vs Catheter Ablation vs Surgical Maze

Step-by-step decision

Choose step by step as prompted; reaching an endpoint gives the management recommendation. You can go back a step or restart anytime.

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Full pathway

1. [Decision] Symptoms/type + medical response + concomitant cardiac surgery
   Symptoms/type? AAD response? Concomitant other cardiac surgery? (Assess anticoagulation for all patients by CHA2DS2-VASc.)
   • Symptomatic paroxysmal/persistent, antiarrhythmic ineffective/intolerant (or paroxysmal first-line rhythm control) → Symptomatic → catheter ablation (PVI)
   • Undergoing other cardiac surgery (valve/CABG) with AF → Concomitant cardiac surgery → simultaneous maze
   • Catheter ablation failure/recurrence, very symptomatic → Ablation failure → standalone surgical ablation
   • Asymptomatic/prefers rate control → Asymptomatic → rate control + anticoagulation
2. [End] Asymptomatic → rate control + anticoagulation
   Asymptomatic or preference → rate control (beta-blocker/non-dihydropyridine calcium antagonist) + anticoagulation (by CHA2DS2-VASc); a non-rhythm-control strategy.
3. [End] Symptomatic → catheter ablation (PVI)
   Symptomatic, AAD ineffective/intolerant (paroxysmal can be first-line) → catheter ablation (pulmonary vein isolation, PVI); early rhythm control is beneficial, persistent AF may add substrate modification.
4. [End] Concomitant cardiac surgery → simultaneous maze
   Concomitant other cardiac surgery → simultaneous surgical maze (Cox-Maze IV) + left atrial appendage management; treats AF at the same time.
5. [End] Ablation failure → standalone surgical ablation
   Catheter ablation failure/recurrence, very symptomatic → standalone surgical ablation (minimally invasive mini-maze) ± left atrial appendage clipping; or hybrid endo-epicardial ablation.

Source guidelines & references

• Atrial fibrillation management (ESC 2024/AHA-ACC-HRS; catheter ablation and surgical maze)

This pathway is our own synthesis of the decision logic in the guidelines above (not the guideline verbatim); thresholds and workflows change as guidelines update — in practice follow the latest guideline, your institution's protocol and the individual patient.

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