Left ventricular non-compaction (LVNC) is characterised by a bi-layered myocardium,
with excessive left ventricular (LV) trabeculation. Ongoing debate exists as to whether
LVNC in adults is a distinct cardiomyopathy, or a morphological feature of ventricular
remodelling present in physiological and pathological states. In this commentary,
we explore how an increase in the diagnosis amongst the healthy adult population,
in addition to cardiovascular cohorts and athletes [
[1]
], has led to likely overdiagnosis or misdiagnosis—whereby a diagnosis leads to more
harm than benefit. We propose a clinically meaningful diagnostic pathway to reduce
these potential harms.Keywords
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References
- A systematic review and meta-analysis of the prevalence of left ventricular non-compaction in adults.Eur Heart J. 2020; 41: 1428-1436
- Prognostic significance of left ventricular noncompaction: systematic review and meta-analysis of observational studies.Circ Cardiovasc Imaging. 2020; 13: e009712
- Long-term survival of patients with left ventricular noncompaction.J Am Heart Assoc. 2021; 10: e015563
- Meta-analysis of the prognostic role of late gadolinium enhancement and global systolic impairment in left ventricular noncompaction.JACC Cardiovasc Imaging. 2019; 12: 2141-2151
- Holt-Oram syndrome in two families diagnosed with left ventricular noncompaction and conduction disease.HeartRhythm Case Rep. 2018; 4: 146-151
- Left ventricular non-compaction: insights from cardiovascular magnetic resonance imaging.J Am Coll Cardiol. 2005; 46: 101-105
Article info
Publication history
Published online: November 24, 2021
Accepted:
October 29,
2021
Received in revised form:
October 29,
2021
Received:
October 15,
2021
Identification
Copyright
© 2021 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.