Noncompaction of the ventricular myocardium mimicking ischemic cardiomyopathy

A 68-year-old woman was admitted to our hospital because of left ventricular failure. Myocardial perfusion single-photon emission computed tomography demonstrated a non-reversible perfusion defect in the anterolateral left ventricular segments and reduced ejection fraction, findings consisted with i...

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Bibliographic Details
Published in:Annals of nuclear medicine 2006-11, Vol.20 (9), p.639-641
Main Authors: Matsumoto, Naoya, Sato, Yuichi, Kunimasa, Taeko, Matsuo, Shinro, Kato, Masahiko, Yoda, Shunichi, Suzuki, Yasuyuki, Tani, Shigemasa, Takahashi, Motoichiro, Saito, Satoshi
Format: Article
Language:English
Subjects:
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Cardiology
Cardiomyopathies - diagnosis
Cardiovascular disease
Coronary Angiography - methods
Diagnosis, Differential
Female
Heart attacks
Heart Ventricles - pathology
Humans
Magnetic Resonance Imaging, Cine - methods
Myocardial Ischemia - diagnosis
Myocardium - pathology
Necrosis
Perfusion
Tomography, Emission-Computed, Single-Photon - methods
Ventricular Dysfunction, Left - diagnosis
Ventricular Dysfunction, Left - therapy
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Summary:A 68-year-old woman was admitted to our hospital because of left ventricular failure. Myocardial perfusion single-photon emission computed tomography demonstrated a non-reversible perfusion defect in the anterolateral left ventricular segments and reduced ejection fraction, findings consisted with ischemic cardiomyopathy accompanied by lateral wall infarction. Coronary angiogram was normal, but the left ventriculogram showed prominent trabeculations in the apical and anterolateral segments. The left ventricular ejection fraction was 28%. Cine magnetic resonance imaging demonstrated prominent trabeculations and deep intertrabecular recesses, findings consistent with noncompaction of the ventricular myocardium. Myocardial hypoperfusion or necrosis in the noncompacted myocardium may be the cause of myocardial damage and possibly the basis of left ventricular failure.
ISSN:0914-7187
1864-6433
DOI:10.1007/bf02984663