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| Item Type: | Article |
|---|---|
| Title: | Adiposity influences on myocardial deformation: a cardiovascular magnetic resonance feature tracking study in people with overweight to obesity without established cardiovascular disease |
| Creators Name: | Bolz, C., Blaszczyk, E., Mayr, T., Lim, C., Haufe, S., Jordan, J., Barckow, P., Gröschel, J. and Schulz-Menger, J. |
| Abstract: | The objective of this study was to assess whether dietary-induced weight loss improves myocardial deformation in people with overweight to obesity without established cardiovascular disease applying cardiovascular magnetic resonance (CMR) with feature tracking (FT) based strain analysis. Ninety people with overweight to obesity without established cardiovascular disease (age 44.6 ± 9.3 years, body mass index (BMI) 32.6 ± 4 kg/m(2)) underwent CMR. We retrospectively quantified FT based strain and LA size and function at baseline and after a 6-month hypocaloric diet, with either low-carbohydrate or low-fat intake. The study cohort was compared to thirty-four healthy normal-weight controls (age 40.8 ± 16.0 years, BMI 22.5 ± 1.4 kg/m(2)). At baseline, the study cohort with overweight to obesity without established cardiovascular disease displayed significantly increased global circumferential strain (GCS), global radial strain (GRS) and LA size (all p < 0.0001 versus controls) but normal global longitudinal strain (GLS) and normal LA ejection fraction (all p > 0.05 versus controls). Dietary-induced weight loss led to a significant reduction in GCS, GRS and LA size irrespective of macronutrient composition (all p < 0.01). In a population with overweight to obesity without established cardiovascular disease subclinical myocardial changes can be detected applying CMR. After dietary-induced weight loss improvement of myocardial deformation could be shown. A potential clinical impact needs further studies. |
| Keywords: | Obesity, Weight Loss, Myocardial Deformation, Feature Tracking, Left Atrial Enlargement, Diastolic Dysfunction |
| Source: | International Journal of Cardiovascular Imaging |
| ISSN: | 1569-5794 |
| Publisher: | Springer Nature |
| Volume: | 40 |
| Number: | 3 |
| Page Range: | 643-654 |
| Date: | March 2024 |
| Official Publication: | https://doi.org/10.1007/s10554-023-03034-2 |
| PubMed: | View item in PubMed |
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