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| Item Type: | Preprint |
|---|---|
| Title: | Sex- and age-related cardiac remodelling and its association with risk factors - results from cardiovascular magnetic resonance imaging in the German National Cohort (NAKO) |
| Creators Name: | Flis, Martyna, Schuppert, Christopher, Full, Peter M., Maushagen, Juliane, Schirrmeister, Robin T., Dörr, Marcus, Gröschel, Jan, Keil, Thomas, Leitzmann, Michael, Lieb, Wolfgang, Niedermayer, Fiona, Steindorf, Karen, Reisert, Marco, Bamberg, Fabian, Schulz-Menger, Jeanette, Schlett, Christopher L. and Rospleszcz, Susanne |
| Abstract: | BACKGROUND: The postmenopausal period is associated with a more adverse cardiometabolic risk factor profile as well as unfavourable cardiac remodelling patterns. However, it remains unclear whether and how the associations between risk factors and cardiac remodelling differ before and after menopause and in the corresponding age groups in men. METHODS: We used cross-sectional data from the baseline examination of the population-based German National Cohort (NAKO, age range 19-74 years). Cardiovascular resonance imaging (CMR) was performed on 3T MRI, and morphofunctional data of both ventricles were derived from standard short-axis cine balanced steady-state free precession. Associations between cardiometabolic risk factors and cardiac parameters were evaluated using adjusted multivariable linear regression, stratified by menopausal status in women and age group (<50 / ≥50 years) in men. RESULTS: The final sample comprised 20,152 participants (40% women; mean age 47±12 years) from the NAKO MRI subsample. Cardiometabolic risk factor profiles differed across the stratified groups, with higher systolic blood pressure and less favourable lipid profiles in older participants. Ventricular volumes declined and concentric remodelling increased with age in both sexes, with a steeper age-related pattern observed in women than in men. Higher BMI in women was associated with higher left ventricular concentricity index (LVCI) in postmenopausal than in premenopausal women (0.097 vs. 0.047; p for difference = 0.016). Associations between triglycerides and ventricular volumes were strongest in premenopausal women and significantly stronger than in men younger than 50 years (e.g., right ventricular end-diastolic volume (RVEDV): -0.173 vs. -0.064, p for difference < 0.001). Sleep problems were more strongly associated with cardiac parameters in men, with significant sex differences in older men compared with postmenopausal women (e.g. left ventricular end-diastolic volume (LVEDV): -0.105 vs. 0.043, p for difference = 0.023). CONCLUSIONS: Less favourable cardiac remodelling observed in postmenopausal women appeared to be associated with a higher burden of cardiometabolic risk factors rather than stronger associations between these risk factors and cardiac structure. Several associations showed sex- and age-specific patterns, including Body Mass Index (BMI), triglyceride levels, and sleep problems. These findings highlight the importance of controlling cardiometabolic risk factors across adulthood, and raising awareness for sex-specific differences. |
| Source: | medRxiv |
| Publisher: | Cold Spring Harbor Laboratory Press |
| Article Number: | 2026.03.31.26349814 |
| Date: | 1 April 2026 |
| Official Publication: | https://doi.org/10.64898/2026.03.31.26349814 |
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