2020
DOI: 10.2459/jcm.0000000000000924
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Bridging the gap between hypertrabeculation phenotype, noncompaction phenotype and left ventricular noncompaction cardiomyopathy

Abstract: Left ventricular noncompaction (LVNC) is an increasingly recognised cardiomyopathy characterised by excessive trabeculation and deep intertrabecular recesses in direct communication with the left ventricular cavity. In LVNC, hypertrabeculation has been associated with heart failure, ventricular arrhythmia, and systemic thromboembolism. However, hypertrabeculation alone is not sufficient to define a subject as at risk for such complications and thus should not be sufficient to diagnose LVNC. Despite several stu… Show more

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Cited by 20 publications
(39 citation statements)
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“…These findings are in accordance with previous studies and may be related to the presence of excessive endocardial trabeculation [21,22]. The clinical relevance of these volumetric and functional alterations is still unknown, and they should be evaluated together with the patient's symptoms, ECG findings, and medical history [23].…”
Section: Discussionsupporting
confidence: 90%
“…These findings are in accordance with previous studies and may be related to the presence of excessive endocardial trabeculation [21,22]. The clinical relevance of these volumetric and functional alterations is still unknown, and they should be evaluated together with the patient's symptoms, ECG findings, and medical history [23].…”
Section: Discussionsupporting
confidence: 90%
“…The first remarkable study finding is that LGE+ patients had worse VT‐free survival compared to the LGE− ones (log‐rank p = .012). This is not completely new for LVNC, since prior studies documented the association between LGE and adverse outcomes, including cardiac death, heart failure, and VA 1,5 . However, the prognostic significance of LGE was strengthened by this paper, since VT recurrences were documented even following VA ablation 2 .…”
mentioning
confidence: 76%
“…Final remarks are needed for the global, likely multiparametric, arrhythmic risk estimation in LVNC patients. In the study of Grunda et al, LVNC was diagnosed by nonuniform criteria, based on either transthoracic echocardiogram or CMR 1,2 . Unfortunately, beyond LVEF, no further morphological or functional characterization was provided by the authors.…”
mentioning
confidence: 99%
“…Гипертрабекулярность/НМ ЛЖ Синдром НМ характеризуется выраженной трабекулярностью ЛЖ с глубокими сообщающимися с полостью ЛЖ межтрабекулярными простран ствами, и клинически ассоциирован с сердечной недостаточностью, желудочковыми аритмиями и системными тромбоэмболиями [37]. Благодаря широкому распространению МРТ, морфологические критерии НМ стали выявляться достаточно часто (до 15%) в общей популяции [38], что сделало очевидным необходимость дифференцировать истинный синдром НМ, вызываемый мутациями в генах саркомера, цитоскелета, митохондрий, клеточных мембран и других [39], от доброкачественной гипертрабекулярности ЛЖ.…”
unclassified
“…ЭКГ может помочь в этом дифференциальном диагнозе. Так, появление на ЭКГ синдрома ранней реполяризации желудочков переводит гипертрабекулярность ЛЖ в "серую зону" по НМ, а регистрация полной блокады ЛНПГ, патологических зубцов Q или инверсий зубца Т указывает на высокий риск патологического НМ [37]. В популяции спортсменов избыточная трабекулярность достаточно распространена вследствие по вышенной преднагрузки на ЛЖ во время физической активности, которая демаскирует трабекулы и делает их более выраженными [40].…”
unclassified