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Methods MRI was performed in 16 male subjects with the MS and 16 male subjects without the MS who were matched for age, waist circumference and blood pressure. MS was defined using the IDF criteria. Pulse wave velocity (PWV) in the aortic arch and the descending aorta were used as markers for aortic stiffness. Transmitral flow measurements were acquired for evaluation of LV diastolic function. Mean and peak deceleration of the early filling wave (E) were derived. The independent students T-test was used to evaluate differences between the two groups. The association between the separate components of the MS and MRI variables reflecting aortic stiffness and LV diastolic function were calculated using Pearson's correlation coefficient. Results Due to matching, age, waist circumference and blood pressure values were similar between the two groups (age: 60 ± 5 and 59 ± 4 years, p = 0.9, waist circumference: 111 ± 11 vs. 106 ± 9 cm, p = 0.2, systolic blood pressure: 145 ± 17 vs. 142 ± 17 mmHg, p = 0.6, diastolic blood pressure: 88 ± 8 vs. 89 ± 9 mmHg, p = 0.9 resp. in subjects with and without the MS). PWV in the aortic arch and descending aorta was higher in subjects with the MS (7.6 ± 2.2 vs. 5.7 ± 1.1 m/s, p < 0.01 and 7.3 ± 1.9 vs. 6.1 ± 1.1 m/s, p < 0.05). LV diastolic function was diminished in subjects with MS compared to subjects without MS (peak E deceleration:-3.7 ± 1.0 vs. -4.6 ± 1.3 ml/s2, p < 0.05 and mean E deceleration:-2.4 ± 0.7 vs. -3.0 ± 0.9 ml/s2, p < 0.05). PWV in the aortic arch and total aorta (aortic arch and descending aorta) correlated with HDL-cholesterol (resp. r = -0.514, p = 0.003 and r = -0.470, p = 0.007). Furthermore, HDL cholesterol correlated with mean deceleration of the E wave (resp. r = -0.421, p = 0.021). No significant correlation was observed between the other components of the MS and aortic or cardiac function.

journal of cardiovascular magnetic resonance

1040 Adverse effects of the metabolic deregulation on aortic stiffness and diastolic function in patients with metabolic syndrome assessed with magnetic resonance imaging