Table 1.
Wistar sed. | Wistar running | SHR sed. | SHR running | |||||
---|---|---|---|---|---|---|---|---|
3 mo. | 6 mo. | 3 mo. | 6 mo. | 3 mo. | 6 mo. | 3 mo. | 6 mo. | |
FS (%) | 0.36 ± 0.01 | 0.35 ± 0.04 | 0.35 ± 0.01 | 0.39 ± 0.02# | 0.32 ± 0.02 | 0.28 ± 0.01* | 0.36 ± 0.03* | 0.36 ± 0.05* |
EF (Teich,%) | 0.71 ± 0.01 | 0.70 ± 0.06 | 0.71 ± 0.01 | 0.76 ± 0.03# | 0.65 ± 0.03 | 0.61 ± 0.02* | 0.71 ± 0.04 | 0.72 ± 0.02* |
MV E/A | 1.55 ± 0.10 | 1.58 ± 0.14 | 1.63 ± 0.04 | 1.65 ± 0.15 | 1.63 ± 0.18 | 1.63 ± 0.12 | 1.66 ± 0.12 | 2.10 ± 0.14*# |
IVSd (mm) | 0.88 ± 0.13 | 0.91 ± 0.14 | 0.99 ± 0.20 | 0.90 ± 0.20 | 0.75 ± 0.08 | 0.74 ± 0.03 | 0.78 ± 0.07 | 0.88 ± 0.06*# |
LVPWd(mm) | 1.00 ± 0.10 | 0.94 ± 0.09 | 1.09 ± 0.08 | 0.94 ± 0.08# | 0.95 ± 0.09 | 0.92 ± 0.07 | 1.05 ± 0.14 | 1.10 ± 0.18* |
LVPWs(mm) | 1.43 ± 0.18 | 1.52 ± 0.24 | 1.47 ± 0.14 | 1.64 ± 0.15 | 1.25 ± 0.11 | 1.16 ± 0.14 | 1.64 ± 0.25* | 1.82 ± 0.31* |
LVIDd (mm) | 6.51 ± 0.50 | 6.23 ± 0.51 | 6.47 ± 0.24 | 6.14 ± 0.27 | 6.61 ± 0.20 | 6.78 ± 0.16 | 7.47 ± 0.33* | 7.66 ± 0.23* |
LVIDs (mm) | 4.16 ± 0.35 | 4.08 ± 0.50 | 4.13 ± 0.09 | 3.79 ± 0.31 | 4.58 ± 0.22 | 4.85 ± 0.18 | 4.82 ± 0.33 | 4.98 ± 0.47 |
FS (%): fractional shortening, EF (Teich,%): ejection fraction, MV E/A ratio: relationship between the E and A waves, IVSd (mm): end-diastolic interventricular septum thickness, LVPWd (mm): left ventricular posterior wall thickness in diastole, LVPWs (mm): left ventricular posterior wall thickness in systole, LVIDd (mm): left ventricular internal diameter in diastole, LVIDs (mm): left ventricular internal diameter in systole. Data are means ± S.D. of n = 6 animals. Wistar/SHR sed.:
p < 0.05 vs. 3 mo. sed., Wistar/SHR running: *p < 0.05 vs. sed.,
p < 0.05 vs. 3 mo. running.