Key result
Epicardial fat thickness at a cut-off of 6.20 mm predicted metabolic syndrome in girls with Turner syndrome (AUC=0.814).
Why the study?
Patients with Turner syndrome are at high risk of cardiometabolic disorders, which relate more to visceral than total adiposity, motivating exploration of epicardial and perihepatic fat thickness as cardiometabolic risk predictors.
Do epicardial and perihepatic fat thickness measured by CMR predict metabolic syndrome in girls with Turner syndrome?
Cross-Sectional (n=71)
Do epicardial and perihepatic fat thickness measured by CMR predict metabolic syndrome in girls with Turner syndrome?
Epicardial and perihepatic fat thickness measured by CMR are emerging predictors of cardiometabolic risk and metabolic syndrome in girls with Turner syndrome.
Answers are grounded in this paper and cite their sources.
May support EFT screening for metabolic syndrome in Turner syndrome; leaves open prospective validation before clinical use.
Objective: Turner syndrome (TS) patients are at high risk of cardiometabolic disorders. Cardiometabolic risk factors are more commonly related to visceral rather than total body adiposity. Adipocytokines have been explored as a potential link between obesity and obesity-related cardiometabolic dysfunction. This study explored the validity of epicardial fat-thickness (EFT) and perihepatic fat-thickness (PHFT) measurement as cardiometabolic-risk predictors in TS-girls in relation to standard obesity-indices and metabolic syndrome (MetS) components. Methods: Forty-six TS girls and twenty-five controls (10-16 years) were subdivided into two age-groups (10 to less than 13 and 13-16). Participants were assessed for body mass index (BMI) Z-scores, waist circumference (WC), total-fat mass (FM) and trunk-FM by bioimpedance-technique, EFT and PHFT by cardiovascular magnetic resonance, lipid-profile, homeostasis model assessment of insulin resistance (HOMA-IR), and serum chemerin. MetS was defined according to International Diabetes Federation criteria. Results: Overweight/obesity and MetS were detected in 45.7% and 37% of TS-girls respectively. BMI Z-score, WC, total-FM, trunk-FM, EFT and PHFT values were significantly higher in TS-age groups compared to age-matched control groups, being more pronounced in the older group when TS-girls had been exposed to estrogen. Dyslipidemia, higher HOMA-IR, chemerin, EFT and PHFT values were observed in lean-Turner compared to BMI-Z-matched controls. EFT and PHFT were significantly correlated with chemerin and several components of MetS. EFT at a cut-off-value of 6.20 mm (area under the curve=0.814) can predict MetS in TS-girls. Conclusion: TS-girls displayed an adverse cardiometabolic profile during late childhood and adolescence. EFT and PHFT are emerging cardiometabolic risk predictors in TS-patients. Excess EFT rather than total body adiposity may contribute to altered metabolic profile among lean-Turner patients.
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Salem et al. (2021) conducted a cross-sectional in Turner syndrome (n=71). Epicardial and perihepatic fat thickness vs. Controls was evaluated on Metabolic syndrome (MetS) (AUC 0.814). Epicardial fat thickness at a cut-off of 6.20 mm predicted metabolic syndrome in girls with Turner syndrome (AUC=0.814).
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