Key result
Simultaneous biventricular pacing effectively eliminated polymorphic ventricular tachycardia in a patient experiencing VT-storm related to LV only pacing.
Why the study?
Ventricular arrhythmia is a rare complication of CRT, but little is known about ventricular proarrhythmia related to the pacing vector.
Does simultaneous biventricular pacing eliminate ventricular arrhythmia in a patient with VT-storm related to LV only pacing?
Case Report (n=1)
Does simultaneous biventricular pacing eliminate ventricular arrhythmia in a patient with VT-storm related to LV only pacing?
Changing the pacing vector to simultaneous biventricular pacing is an effective noninvasive strategy to manage electrical storm caused by LV-only pacing in CRT.
May warrant consideration in select CRT VT-storm cases; hypothesis-generating and requires prospective validation.
Ventricular arrhythmia (VA) is a rare complication of cardiac resynchronization therapy (CRT). Little is known about ventricular proarrhythmia related to the pacing vector of CRT. This case report describes the elimination of ventricular arrythmia using biventricular pacing in a patient with VT-storm related to LV only pacing as part of the AdaptivCRT algorithm (Medtronic Inc). Simultaneous biventricular pacing was effective in eliminating polymorphic ventricular tachycardia. Changing the pacing vector is a noninvasive treatment strategy that should be considered to manage VA due to CRT.
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Kella et al. (2020) conducted a case report in Ventricular tachycardia storm related to LV only pacing (n=1). Simultaneous biventricular pacing vs. LV only pacing was evaluated on Elimination of ventricular arrhythmia. Simultaneous biventricular pacing effectively eliminated polymorphic ventricular tachycardia in a patient experiencing VT-storm related to LV only pacing.
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