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Ethnic differences in ventricular hypertrabeculation on cardiac MRI in elite football players.
MedLine Citation:
PMID:  22777563     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
PURPOSE: Left ventricular (LV) trabeculation may be more pronounced in ethnic African than in Caucasian (European) athletes, leading to possible incorrect diagnosis of left ventricular non-compaction cardiomyopathy (LVNC). This study investigates ethnic differences in LV hypertrabeculation amongst elite athletes with cardiac magnetic resonance (CMR) and electrocardiography (ECG).
METHODS: 38 elite male football (soccer) players (mean age 23.0, range 19-34 years, 28/38 European, 10/38 African) underwent CMR and ECG. Hypertrabeculation was assessed using the ratio of non-compacted to compacted myocardium (NC/C ratio) on long-axis and short-axis segments. ECGs were systematically rated.
RESULTS: No significant differences were seen in ventricular volumes, wall mass or E/A ratio, whereas biventricular ejection fraction (EF) was significantly lower in African athletes (European/African athletes LVEF 55/50 %, p = 0.02; RVEF 51/48 %, p = 0.05). Average NC/C ratio was greater in African athletes but only significantly at mid-ventricular level (European/African athletes: apical 0.91/1.00, p = 0.65; mid-ventricular 0.89/1.45, p < 0.05; basal 0.40/0.46, p = 0.67). ECG readings demonstrated no significant group differences, and no correlation between ECG anomalies and hypertrabeculation.
CONCLUSIONS: A greater degree of LV hypertrabeculation is seen in healthy African athletes, combined with biventricular EF reduction at rest. Recognition of this phenomenon is necessary to avoid misdiagnosis of LVNC.
Authors:
T Luijkx; M J Cramer; A Zaidi; R Rienks; P J Senden; S Sharma; F J van Hellemondt; C F Buckens; W P Mali; B K Velthuis
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation     Volume:  20     ISSN:  1876-6250     ISO Abbreviation:  Neth Heart J     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-09-12     Completed Date:  2013-02-07     Revised Date:  2013-02-08    
Medline Journal Info:
Nlm Unique ID:  101095458     Medline TA:  Neth Heart J     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  389-95     Citation Subset:  -    
Affiliation:
Department of Radiology, University Medical Center Utrecht, room E 01.132, Heidelberglaan 100, 3584, CX, Utrecht, the Netherlands, tluijkx@gmail.com.
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