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Review
Cardiac & Cardiovascular Systems
Excessive Trabeculation of the Left Ventricle JACC: Cardiovascular Imaging Expert Panel Paper
Steffen E. Petersen et al.
Summary: This report summarizes the evidence concerning the etiology, pathophysiology, and clinical relevance of excessive trabeculation. Current evidence does not support the formation of compact myocardium from noncompacted myocardium, nor the arrest of this process to result in noncompaction. Excessive trabeculation is observed in healthy individuals, as well as in association with pregnancy, athletic activity, and cardiac diseases of various origins. The prognostic role of excessive trabeculation in adults has not been shown to be independent of other myocardial disease. Neonates and children with excessive trabeculation may have genetic and neuromuscular disorders.
JACC-CARDIOVASCULAR IMAGING (2023)
Review
Cardiac & Cardiovascular Systems
Excessive Trabeculation of the Left Ventricle JACC: Cardiovascular Imaging Expert Panel Paper
Steffen E. Petersen et al.
Summary: Excessive trabeculation, or noncompacted myocardium, is observed across all age groups, but current evidence does not support its conversion into compact myocardium or the halt of this process leading to noncompaction. Excessive trabeculation is commonly seen in imaging studies in healthy individuals, as well as in association with various cardiac diseases and conditions. Further follow-up is usually not needed for adults with incidentally noted excessive trabeculation based on trabecular pattern alone. However, caution should be exercised when excessive trabeculation is observed in neonates and children, as it may be associated with genetic and neuromuscular disorders. The prognostic role of excessive trabeculation in adults has not been shown to be independent of other myocardial diseases.
JACC-CARDIOVASCULAR IMAGING (2023)
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