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Fatty acid binding protein 4 predicts left ventricular mass and longitudinal function in overweight and obese women

Item Type:Article
Title:Fatty acid binding protein 4 predicts left ventricular mass and longitudinal function in overweight and obese women
Creators Name:Engeli, S. and Utz, W. and Haufe, S. and Lamounier-Zepter, V. and Pofahl, M. and Traber, J. and Janke, J. and Luft, F.C. and Boschmann, M. and Schulz-Menger, J. and Jordan, J.
Abstract:OBJECTIVE: To explore whether increased adipocyte-derived serum fatty acid binding protein 4 (FABP4) predisposes to cardiac remodelling and left ventricular dysfunction in human obesity. DESIGN: Cross-sectional investigation. SETTING: Academic clinical research centre. PATIENTS: 108 overweight and obese non-diabetic women (body-mass index 33+/-5 kg/m(2)). INTERVENTIONS: None. MAIN OUTCOME MEASURES: Relationship between serum FABP4 and abdominal adipose tissue quantified by MRI. Relationship between serum FABP4 and left ventricular morphology and function assessed by cardiac MRI. RESULTS: FABP4 was independently associated with visceral abdominal adipose tissue ({beta}=0.34, p<0.01) and subcutaneous abdominal adipose tissue ({beta}=0.22, p<0.05). After stratification into serum FABP4 tertiles, left ventricular masses were 92+/-16 g, 86+/-13 g and 81+/-12 g in women with high, intermediate and low FABP4 concentrations (p<0.01), respectively. Longitudinal systolic function was reduced by 8% in women with intermediate and high versus low FABP4 concentrations (p<0.01), whereas ejection fraction did not differ among tertiles (p=0.5). In multivariate linear analysis FABP4 remained an independent predictor of left ventricular mass ({beta}=0.17, p<0.05) and reduced longitudinal fractional shortening ({beta}=0.21, p<0.05). CONCLUSIONS: In overweight and obese women, FABP4 showed an independent association with parameters of left ventricular remodelling.
Keywords:Adiposity, Biological Markers, Body Mass Index, Cross-Sectional Studies, Fatty Acid-Binding Proteins, Germany, Intra-Abdominal Fat, Left Ventricular Dysfunction, Left Ventricular Function, Linear Models, Magnetic Resonance Imaging, Multivariate Analysis, Obesity, Overweight, Predictive Value of Tests, Prospective Studies, Risk Assessment, Risk Factors, Stroke Volume, Subcutaneous Fat, Systole, Up-Regulation, Ventricular Remodeling
Source:Heart
ISSN:1355-6037
Publisher:BMJ Publishing Group (U.S.A.)
Volume:99
Number:13
Page Range:944-948
Date:July 2013
Official Publication:https://doi.org/10.1136/heartjnl-2013-303735
PubMed:View item in PubMed

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