Key result
Electrophysiology study and radiofrequency ablation successfully treated typical right atrial flutter and AVNRT in a patient with lipomatous hypertrophy of the interatrial septum, resulting in complete symptom resolution.
Why the study?
Lipomatous hypertrophy of the interatrial septum is usually benign but can produce symptoms and arrhythmias, and management options for persistent arrhythmias require description.
Does radiofrequency ablation improve symptoms and terminate arrhythmias in a patient with lipomatous hypertrophy of the interatrial septum and persistent atrial arrhythmias?
Case Report (n=1)
Does radiofrequency ablation improve symptoms and terminate arrhythmias in a patient with lipomatous hypertrophy of the interatrial septum and persistent atrial arrhythmias?
Electrophysiology study and radiofrequency ablation is a viable and effective treatment for persistent atrial arrhythmias in patients with lipomatous hypertrophy of the interatrial septum, even after surgical resection.
Ablation may resolve symptoms in LHIS-associated arrhythmias; hypothesis-generating from single case, needs validation.
Lipomatous Hypertrophy of the Interatrial Septum (LHIS) is usually a benign condition, but it has been known to produce a variety of symptoms and arrhythmias. Management is guided by symptoms and can range from watchful waiting to surgical resection. Here we describe a unique case of a patient with LHIS associated with two distinct atrial arrhythmias. Due to persistent symptoms an EP study with ablation was pursued which resulted in abatement of symptoms. This case illustrates that an EP study and ablation is a viable option that could be considered in patients with continued symptoms in conjunction with medical or surgical options and ultimately lead to prompt diagnosis and appropriate treatment.
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Zargarian et al. (2021) conducted a case report in Lipomatous Hypertrophy of the Interatrial Septum (LHIS) with atrial arrhythmias (n=1). Electrophysiology study and radiofrequency ablation was evaluated on Symptom resolution and arrhythmia recurrence. Electrophysiology study and radiofrequency ablation successfully treated typical right atrial flutter and AVNRT in a patient with lipomatous hypertrophy of the interatrial septum, resulting in complete symptom resolution.
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