Table 5.

Echocardiographic evaluation of cardiac structural parameters in aging female F344xBN rats (mean ± SEM)

Groups	6 months	26 months	30 months
IVSs (cm)	0.193 ± 0.008	0.253 ± 0.003*	0.239 ± 0.013
IVSd (cm)	0.118 ± 0.012	0.151 ± 0.003	0.149 ± 0.004
LVIDs (cm)	0.378 ± 0.017	0.331 ± 0.009*	0.356 ± 0.011
LVIDd (cm)	0.610 ± 0.022	0.593 ± 0.009	0.606 ± 0.10
LVPWs (cm)	0.193 ± 0.002	0.267 ± 0.007	0.288 ± 0.009*
LVPWd (cm)	0.153 ± 0.010	0.166 ± 0.004	0.189 ± 0.008*
RVDd (cm)	0.105 ± 0.016	0.138 ± 0.009	0.111 ± 0.006
LVM (g)	0.487 ± 0.10	0.658 ± 0.09	0.646 ± 0.04

Six-month-old animals; 26-month-old animals; 30-month-old animals

*p < 0.05, significantly different from 6-month-old animals