A Rare Case of Isolated Left Ventricular Non-compaction in an Elderly Patient

Jai D Parekh, John Iguidbashian, Shweta Kukrety, Kelsey Guerins, Paul G Millner, Venkata Andukuri
Curēus 2018 June 26, 10 (6): e2886
A 61-year-old male, with a history of emphysema, obstructive sleep apnea, and hypertension, presented to the emergency room with worsening shortness of breath over a three-month period. The patient also complained of orthopnea, paroxysmal nocturnal dyspnea, and progressively worsening lower limb swelling. On examination, the patient had jugular venous distension, bilateral lower extremity edema, and bibasilar crackles. The laboratory evaluation showed an elevated B-natriuretic peptide level and a normal troponin level. A transthoracic echocardiogram (TTE) showed a reduced left ventricular ejection fraction (LVEF) of 20%-25% with prominent hyper-trabeculations noted in the left ventricle, most prominent in the lateral and apical walls. These findings were concerning for left ventricular non-compaction (LVNC). The patient underwent left heart catheterization, which did not show obstructive coronary disease as a cause of his cardiomyopathy. The patient was managed with guideline-directed therapy for heart failure and was started on warfarin due to the increased risk of thromboembolism associated with LVNC. During his admission, he exhibited multiple episodes of nonsustained ventricular tachycardia and was subsequently evaluated by electrophysiology (EP). He was discharged home with a wearable cardioverter defibrillator with instructions to follow up with EP in three months for an evaluation of implantable cardioverter-defibrillator (ICD) placement for primary prevention.

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