Key result
Mapping-guided RV resynchronization improves clinical status and intraventricular synchrony in repaired tetralogy of Fallot.
Why the study?
Right ventricular resynchronization therapy guided by electroanatomic activation mapping may benefit patients with repaired tetralogy of Fallot and severe right ventricular dysfunction, but evidence is limited.
Does right ventricular resynchronization therapy guided by electroanatomic mapping improve clinical condition and intraventricular synchrony in a patient with repaired tetralogy of Fallot and severe right ventricular dysfunction?
Case Report (n=1)
Does right ventricular resynchronization therapy guided by electroanatomic mapping improve clinical condition and intraventricular synchrony in a patient with repaired tetralogy of Fallot and severe right ventricular dysfunction?
Right ventricular resynchronization therapy guided by electroanatomic mapping may provide clinical and mechanical benefits in selected patients with repaired tetralogy of Fallot and severe right ventricular dysfunction.
Map-guided RV CRT feasible in one rToF case with severe RV dysfunction; hypothesis-generating, should not yet change practice.
Right ventricular (RV) resynchronization therapy (CRT) with stimulation electrode implantation in the latest activation area guided by a high-density electroanatomic activation map was successfully performed in a patient with repaired tetralogy of Fallot (rToF), severe pulmonary regurgitation (PR), and severe dysfunction and dilatation of the right ventricle. An improvement in his clinical condition and intraventricular synchrony was achieved. There is a mechanical-electrical interaction in the right ventricle of patients with rToF; therefore, RV CRT in selected cases may be beneficial. Electroanatomic activation mapping can help achieve maximum clinical benefit by identifying the optimal stimulation site.
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Rodríguez‐García et al. (2021) conducted a case report in Repaired tetralogy of Fallot with severe pulmonary regurgitation and severe right ventricular dysfunction (n=1). Right ventricular resynchronization therapy guided by high-density electroanatomic activation map was evaluated on Clinical condition and intraventricular synchrony. Right ventricular resynchronization therapy guided by electroanatomic activation mapping improved clinical condition and intraventricular synchrony in a patient with repaired tetralogy of Fallot.
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