Journal
ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES
Volume 25, Issue 1, Pages 8-12Publisher
WILEY
DOI: 10.1111/j.1540-8175.2007.00560.x
Keywords
cardiomyopathy; heart failure; echocardiography; stroke
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Background: Left ventricular noncompaction (LVNC) is felt to be a rare form of cardiomyopathy, although its prevalence in a nonreferred population is unknown. We examined the prevalence and clinical characteristics of LVNC in a community hospital cohort of adult patients with echocardiographic evidence of left ventricular (LV) systolic dysfunction. Methods: All adult echocardiograms with global LV dysfunction and an LVEF <= 45% over a 1-year period were reviewed for signs of LV noncompaction. Its presence was confirmed by the consensus of at least 2/3 readers specifically searching for this using standard criteria for noncompaction. Results: A 3.7% prevalence of definite or probable LVNC was found in those with LVEF <= 45% and a 0.26% prevalence for all patients referred for echocardiography during this period. This is appreciably higher than prior reports from tertiary centers. Conclusion: Noncompaction may not be a rare phenomenon and is comparable to other more widely recognized but less common causes of heart failure such as peripartum myopathy, connective tissue diseases, chronic substance abuse and HIV disease.
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