**6. Conclusions**

Retrograde ethanol alcoholization of the vein of Marshall (VOM-ETHO) is a feasible, safe and effective strategy in treating atrial tachycardias depending on the *Vein of Marshall Ethanol Infusion in Setting of Atrial Fibrillation Ablation DOI: http://dx.doi.org/10.5772/intechopen.105593*

#### **Figure 9.**

*K-M curve showing survival free from AT/AF recurrence with or without AAD in both groups. From Lai et al. [32].*

mitral isthmus and improves long-term results if systematically added to conventional strategies in setting of persistent atrial fibrillation ablation. Results of randomized clinical trials adding VOM-ETHO to pulmonary vein ablation (VENUS AF) and PVI plus linear lesions (Marshall-PLAN) demonstrates beneficial impact of long-term sinus rhythm maintenance in patients with persistent atrial fibrillation.
