Key result
In a patient with a primary left ventricular interstitial tumor, an implantable cardioverter-defibrillator and catheter ablation failed to terminate high ventricular tachycardia.
Why the study?
Primary cardiac tumors are extremely uncommon, and their presentation as hemodynamically unstable ventricular tachycardia is rare.
Case Report (n=1)
Primary left ventricular interstitial tumors can cause hemodynamically unstable ventricular tachycardia that may be refractory to catheter ablation but manageable with medical therapy and an ICD.
Alerts clinicians to rare tumor-related VT; leaves open optimal ablation and device strategies.
Primary cardiac tumors are extremely uncommon. Here, we report the case of a patient with a primary left ventricular interstitial tumor presenting with hemodynamically unstable ventricular tachycardia. In response to hemodynamically unstable ventricular tachycardia, an implantable cardioverter-defibrillator was inserted. One month after defibrillator implantation, the patient developed episodes of high ventricular tachycardia that could not be effectively terminated by catheter radiofrequency ablation, thus further confirming that the ventricular tachycardia was induced by the left ventricular interstitial tumor. The patient is doing well on medical therapy to date.
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Xiaomei Wang (2022) conducted a case report in Primary left ventricular interstitial tumor with hemodynamically unstable ventricular tachycardia (n=1). Implantable cardioverter-defibrillator insertion and catheter radiofrequency ablation was evaluated on Termination of ventricular tachycardia. In a patient with a primary left ventricular interstitial tumor, an implantable cardioverter-defibrillator and catheter ablation failed to terminate high ventricular tachycardia.
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