Why the study?
Catheter ablation for AF can have limited efficacy, and the autonomic innervation of the vein of Marshall makes it an attractive adjunctive target.
Does adjunctive vein of Marshall ethanol infusion reduce late atrial fibrillation or atrial tachycardia recurrence in patients undergoing atrial fibrillation ablation?
Population
804 AF patients across four studies
Comparison
VOM-EI plus CA vs CA alone
Design
Systematic review and meta-analysis
Follow-up
≥3 months
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May support adjunctive VOM-EI in AF ablation; confirms reduced late recurrence across pooled studies.
Does adjunctive vein of Marshall ethanol infusion reduce late atrial fibrillation or atrial tachycardia recurrence in patients undergoing atrial fibrillation ablation?
Adjunctive vein of Marshall ethanol infusion during AF ablation significantly reduces late AF/AT recurrence and improves acute mitral isthmus block without increasing procedural complications.
A 2020 study studied this question.