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Updated: May 16, 2026

Transesophageal Atrial Burst Pacing for Atrial Fibrillation Induction in Rats
Published on: February 14, 2022
Ranolazine maintained sinus rhythm in a patient with refractory symptomatic atrial fibrillation
Samuel Sossalla1, Christian Sohns, Joachim Seegers
1Department of Cardiology and Pneumology/Heart Center Göttingen, Georg-August-University Göttingen, Göttingen, Germany.
Abstract:
We report on a patient who was treated with several antiarrhythmic drugs as well as different ablation strategies. Nevertheless, symptomatic atrial fibrillation always recurred until an off-label use with ranolazine was started. We could demonstrate potent effects of ranolazine on atrial fibrillation in a "wash-in wash-out" situation. Although promising controlled studies are needed to investigate a potential role of ranolazine for the treatment of atrial fibrillation.
Insights
Ranolazine effectively managed recurrent symptomatic atrial fibrillation (AF) in a patient unresponsive to standard treatments. Further controlled studies are required to confirm ranolazine's potential role in AF management.
Area of Science:
- Cardiology
- Electrophysiology
- Pharmacology
Background:
- Atrial fibrillation (AF) is a common arrhythmia often requiring multiple treatment strategies.
- Standard antiarrhythmic drugs and ablation therapies can be insufficient for persistent symptomatic AF.
Observation:
- A patient with recurrent symptomatic AF, refractory to multiple antiarrhythmic drugs and ablation, received off-label ranolazine.
- The patient experienced sustained symptom relief during ranolazine treatment.
Findings:
- A "wash-in wash-out" assessment demonstrated potent anti-fibrillatory effects of ranolazine in this patient.
- Ranolazine showed significant efficacy in controlling AF recurrence when other methods failed.
Implications:
- Ranolazine may represent a novel therapeutic option for difficult-to-treat atrial fibrillation.
- Controlled clinical trials are warranted to validate the efficacy and safety of ranolazine for AF treatment.
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