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KMID : 1161220220650080410
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Clinical and Experimental Pediatrics
2022 Volume.65 No. 8 p.410 ~ p.416
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Early myocardial functional abnormalities in primary dyslipidemia: clinical and echocardiographic observations in young children from a highly consanguineous population
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El-Koofy Nehal M.
Fattouh Aya M.
Ramadan Areef
Elmonem Mohamed A.
Hamed Dina H.
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Abstract
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Purpose: Apart from the risk of coronary artery disease (CAD), limited data are currently available on the direct effects of dyslipidemia on myocardial function in children.
Methods: We recruited 25 children with primary dyslipidemia (14 with isolated hypercholesterolemia, 4 with isolated hypertriglyceridemia, and 7 with combined dyslipidemia). Relevant clinical manifestations and laboratory and radiological investigations were evaluated. Pulsed-wave Doppler and tissue Doppler imaging echocardiography were performed for all recruited patients and the results were compared with those of 15 age- and sex-matched healthy children.
Results: The median age of the dyslipidemic children was 8 years (range, 1.5?16 years). A family history was documented in 13 cases (52%), while 18 (72%) had consanguineous parents. None of the dyslipidemic children had a personal history or clinical manifestations of CAD. In contrast, echocardiographic findings differed in several diastolic function parameters of both right and left ventricles in dyslipidemic children compared to controls. Based on normalized z scores, aortic valve narrowing was detected in 7 patients (28%), while narrowing of the aortic sinus (sinus of Valsalva) was detected in 15 patients (60%).
Conclusion: Different types of primary dyslipidemia produce functional myocardial abnormalities early in childhood. Biochemical and echocardiographic screening of high-risk children is advised to minimize the incidence of serious cardiovascular complications.
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KEYWORD
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Primary dyslipidemia, Cardiovascular complications, Pulsed-wave Doppler, Tissue Doppler echocardiography, Child
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