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1094 Normal left ventricular structure and function: inflection point in age effects


Existing studies of normal left ventricular (LV) structure and function using contemporary CMR methods (SSFP) are limited either in sample size, age range or verification of normality. Therefore we evaluated LV structure and function in a large, extensively screened cohort over a wide age range.


Normotensive, non-diabetic, non-obese (BMI < 28) volunteers (n = 218, 119 females), aged 20–89, were screened by 2D echocardiography and CMR was performed using SSFP cine imaging with contiguous 8 mm slices in the LV short axis plane. LV volumes (EDV, ESV), ejection fraction (EF) and mass (M) were determined and indexed (i) to body surface area. (Medis, MASS).


Women had higher EF and lower EDVi, ESVi and LVMi compared to men. With increasing age, systolic blood pressure increased, EDVi and ESVi decreased, EF increased, LVMi did not show a clear trend and LVMi/EDVi increased. However, there was an inflection point at age 50, with EDVi, ESVi and systolic blood pressure for each decade >50 differing significantly from all decades <50 but no differences among decades <50 or >50 years. (Table 1.)

Table 1


Age and blood pressure related concentric remodeling results in reduced chamber volumes and increased EF in presence of constant LV mass in both men and women. There is an inflection point at age 50 when chamber volumes fall and blood pressure increases in both genders. Further studies are needed to determine the physiologic basis of changes occurring in LV structure and function at age 50.

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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Gupta, D., Mathew, S.T., Alexander, D. et al. 1094 Normal left ventricular structure and function: inflection point in age effects. J Cardiovasc Magn Reson 10 (Suppl 1), A219 (2008).

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