Negative synergism of diabetes mellitus and obesity in patients with heart failure with preserved ejection fraction: a c
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ORIGINAL PAPER
Negative synergism of diabetes mellitus and obesity in patients with heart failure with preserved ejection fraction: a cardiovascular magnetic resonance study Selcuk Kucukseymen1 · Ulf Neisius1 · Jennifer Rodriguez1 · Connie W. Tsao1 · Reza Nezafat1 Received: 28 February 2020 / Accepted: 5 June 2020 © Springer Nature B.V. 2020
Abstract In patients with heart failure with preserved ejection fraction (HFpEF), diabetes mellitus (DM) and obesity are important comorbidities as well as major risk factors. Their conjoint impact on the myocardium provides insight into the HFpEF aetiology. We sought to investigate the association between obesity, DM, and their combined effect on alterations in the myocardial tissue in HFpEF patients. One hundred and sixty-two HFpEF patients (55 ± 12 years, 95 men) and 45 healthy subjects (53 ± 12 years, 27 men) were included. Patients were classified according to comorbidity prevalence (36 obese patients without DM, 53 diabetic patients without obesity, and 73 patients with both). Myocardial remodeling, fibrosis, and longitudinal contractility were quantified with cardiovascular magnetic resonance imaging using cine and myocardial native T 1 images. Patients with DM and obesity had impaired global longitudinal strain (GLS) and increased myocardial native T 1 compared to patients with only one comorbidity (DM + Obesity vs. DM and Obesity; GLS, − 15 ± 2.1 vs − 16.5 ± 2.4 and − 16.7 ± 2.2%; native T1, 1162 ± 37 vs 1129 ± 25 and 1069 ± 29 ms; P
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