Table 2 Cardiac morphological and functional parameters in rats of the five experimental groups at 11 weeks of age
Parameter | CONT | LVH | Val | VAml | VCil |
|---|---|---|---|---|---|
IVST (mm) | 1.67±0.05 | 2.53±0.08a | 2.05±0.02a,b | 2.05±0.02a,b | 2.01±0.02a,b |
LVDd (mm) | 7.96±0.10 | 6.26±0.22a | 7.33±0.08a,b | 7.17±0.10a,b | 7.27±0.25a,b |
LVPWT (mm) | 1.65±0.04 | 2.52±0.09a | 2.02±0.05a,b | 2.04±0.02a,b | 1.98±0.08a,b |
LVDs (mm) | 4.28±0.33 | 2.30±0.44a | 3.25±0.19a,b | 3.18±0.19a,b | 3.32±0.30a,b |
LVFS (%) | 45.05±2.90 | 70.03±3.06a | 55.24±1.83a,b | 55.97±6.33a,b | 56.38±2.68a,b |
LVEF (%) | 82.6±2.2 | 96.7±0.9a | 90.9±1.0a,b | 91.7±1.4a,b | 92.0±1.6a,b |
LV mass (mg) | 920±29 | 1333±49a | 1155±38a,b | 1079±26a,b | 1091±56a,b |
RWT | 0.41±0.01 | 0.79±0.06a | 0.62±0.01a,b | 0.60±0.02a,b | 0.50±0.02a,b,c,d |
IRT (ms) | 33.8±0.9 | 47.8±0.5a | 41.0±2.0a,b | 38.4±1.4b | 35.4±1.6b,c |
DcT (ms) | 46.7±1.0 | 65.5±1.4a | 56.9±1.4a,b | 55.0±2.5a,b | 49.3±1.4b,c,d |
Tei index | 0.48±0.01 | 0.66±0.05a | 0.59±0.02 | 0.55±0.01b | 0.49±0.02b,c |
tau (ms) | 22.1±1.5 | 38.75±2.3a | 32.5±4.8a | 29.07±1.5a | 24.4±0.8b,c |
LVEDP (mm Hg) | 4.2±0.2 | 8.0±0.3a | 8.0±0.3a | 7.0±1.0a | 5.7±0.9b,c |
LVEDP/LVDd (mm Hg per mm) | 0.48±0.02 | 0.99±0.01a | 1.05±0.03a | 0.93±0.11a | 0.71±0.12b,c |