Left Ventricular Functions in Children With Newly Diagnosed Graves' Disease: A Single-Center Study From Upper Egypt | oneGRAVESvoice
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Left Ventricular Functions in Children With Newly Diagnosed Graves’ Disease: A Single-Center Study From Upper Egypt

key information

source: European Journal of Pediatrics

year: 2018

authors: Metwalley KA, Farghaly HS, Abdelhamid A

summary/abstract:

This study aimed to evaluate the left ventricular (LV) functions in a cohort of children with Graves’ disease (GD). This is a cross-sectional case-control study. It included 36 children with GD and 36 healthy children matched for age and gender. Thyroid hormones (TSH, FT4, and FT3) and anti-thyroid autoantibodies [anti-thyroid peroxidase (anti-TPO), thyrotropin receptor (TRAbs), and thyroglobulin antibodies] were measured. Conventional and tissue Doppler imaging (TDI) echocardiographies were used to assess left ventricular systolic and diastolic functions. LV mass index (LVMI) and myocardial performance index (MPI) were also measured. Compared to healthy children, conventional echocardiography of patients with GD revealed higher LVMI (P = 0.001) indicating LV hypertrophy but normal LV functions while TDI revealed lower Em/Am ratio indicating LV diastolic dysfunction (P = 0.001). Significant correlations were reported between FT4 with LVMI (P = 0.05), Em/Am (P = 0.01), and MPI (P = 0.01). In multivariate analysis, a positive correlation was identified between FT4 with MPI (OR = 1.17; 95% CI = 1.09-1.15; P = 0.001).

Conclusions:
Children with newly diagnosed GD may have significant subclinical changes in LV structure and function (diastolic and global). TDI is more sensitive than conventional Doppler in detecting LV dysfunction. These findings highlight the importance of early monitoring of children with GD for left ventricular mass index and diastolic function.

What is Known:
• There is an increased risk for cardiac abnormalities in children with Graves’ disease (GD).
• Limited studies assessed left ventricular function in patients with GD.

What is New:
• Children with newly diagnosed GD may have significant subclinical changes in left ventricular structure and functions.
• Children with newly diagnosed GD should be monitored for left ventricular mass index and diastolic function.

organization: Assiut University, Egypt; South Valley University, Egypt

DOI: 10.1007/s00431-017-3039-0

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