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2053 Age and sex related changes in right ventricular dimensions and systolic function


It is well known that the left ventricular dimensions and function is affected by ageing. However, the impact of ageing in right ventricle (RV) is yet unclear.


To investigated age- and sex-specific differences in RV morphology and function in health.


123 normal volunteers (68 male; mean age 61 ± 16) underwent cardiac magnetic resonance imaging. RV borders were visually detected from the short axis contiguous slices by an experienced operator. Body surface area (BSA) was used to index (I) the RV mass (M) and volumes (V) measured at end-diastole (ED) and end-systole (ES). The RV ejection fraction (EF) was calculated, the mass to volume (M/V) ratio was defined and the cardiac index (CI) was computed using heart rate and stroke volume (SV). Subjects were divided according to age (<60 and ≥ 60) and sex.


Results are expressed as mean ± standard deviation. The two-tailed unpaired t test was used for data comparison. A p > 0.05 was considered significant.


Men aged <60 years (n = 25) had a higher RVEDVI (71 ± 13 ml/m2 vs. 63 ± 9 ml/m2), RVESVI (38 ± 9 ml/m2 vs. 30 ± 8 ml/m2) and RVMI (22 ± 5 gr/m2 vs. 19 ± 4 gr/m2) and a lower RVEF (46 ± 7% v 52 ± 8%) compared to women <60 years old (n = 25). No statistical significant differences were found in the indexed right ventricular volumes, mass and function between men and women ≥ 60. In men, RVEDVI (71 ± 13 ml/m2 vs. 57 ± 14 ml/m2), RVESVI (38 ± 9 ml/m2 vs. 28 ± 6 ml/m2) and RVMI (22 ± 5 gr/m2 vs. 18 ± 3 gr/m2) decreased with age while RVEF (46 ± 7 ml/m2 vs. 51 ± 8%) and M/V ratio (0.38 ± 0.06 gr/mlvs. 0.42 ± 0.07 gr/ml) increased but similar changes were not observed in women. In men, Pearson correlation analysis demonstrated an age related decrease in RVEDVI (r = -0.41, p < 0.05), RVESVI (r = -0.45, p < 0.05) and RVMI (r = -0.29, p < 0.05) while the M/V increased (r = 0.29, p < 0.05). Similar relationships were not observed in women.


These data suggest that ageing has a different impact on RV morphology in men and women. The mechanism responsible for the gender related changes are unclear.

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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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Bourantas, C.V., Nikitin, N.P., Loh, H.P. et al. 2053 Age and sex related changes in right ventricular dimensions and systolic function. J Cardiovasc Magn Reson 10 (Suppl 1), A322 (2008).

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