Echocardiographic signs of subclinical cardiac function impairment in Duchenne dystrophy gene carriers

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Authors

KINCL Vladimír PANOVSKÝ Roman PEŠL Martin MÁCHAL Jan JUŘÍKOVÁ Lenka HABERLOVÁ Jana MASÁROVÁ Lucia

Year of publication 2020
Type Article in Periodical
Magazine / Source Scientific Reports
MU Faculty or unit

Faculty of Medicine

Citation
Web https://www.nature.com/articles/s41598-020-77882-6.pdf
Doi http://dx.doi.org/10.1038/s41598-020-77882-6
Keywords Duchenne dystrophy; subclinical cardiac function impairment
Description To assess subclinical cardiac function impairment in Duchenne dystrophy (DMD) female carriers. Forty-four female subjects proved as DMD carriers underwent echocardiographic examination including tissue Doppler imaging (TDI) of mitral and tricuspid annulus. Seventeen age-matched healthy female subjects served as controls. A significant differences in peak systolic annular velocity (Sa) between carriers and controls were found for lateral and septal part of the mitral annulus and for tricuspid annulus (0.09 vs. 0.11 m/s, p<0.001, 0.08 vs. 0.09 m/s, p<0.01 and 0.13 vs. 0.14 m/s, p=0.02 respectively). There was also difference in early diastolic velocity (Ea) of the septal part of the mitral annulus (0.11 vs. 0.13 m/s, p=0.03). The subclinical deterioration of systolic function is presented even in asymptomatic DMD female carriers.
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