Table 2.
Cardiac parameters assessed using transthoracic echocardiography
WT
|
T1r4lps-d
|
|||||||
---|---|---|---|---|---|---|---|---|
Control | AngII | AngII + IRB | NE | Control | AngII | AngII + IRB | NE | |
LVEDd, ×10−1 mm | 43.2±0.3 | 42.3±0.5 | 39.0±1.2 | 40.8±0.9 | 39.3±0.8 | 40.5±0.9 | 39.3±0.7 | 41.8±0.9 |
LVESd, ×10−1 mm | 22.8±0.7 | 27.8±0.5* | 22.8±0.9 | 24.4±0.8 | 22.8±0.5 | 22.8±0.5 | 23.3±0.3 | 24.8±0.5 |
IVSWT, ×10−1 mm | 5.5±0.3 | 9.7±0.3* | 6.3±0.3 | 6.8±0.3 | 5.3±0.3 | 5.8±0.3 | 6.0±0.0 | 6.3±0.3 |
PWT, ×10−1 mm | 5.0±0.0 | 9.0±0.6* | 7.0±0.6 | 7.3±0.0 | 5.0±0.0 | 6.0±0.0 | 6.0±0.0 | 7.0±0.0 |
%FS, % | 50.6±2.7 | 33.6±1.2* | 41.7±1.1 | 41.0±1.5 | 43.3±1.7 | 44.0±1.1 | 44.2±3.0 | 40.6±0.3 |
E/A ratio | 2.4±0.2 | 1.4±0.7* | 1.9±0.8 | 2.0±0.1 | 2.3±0.2 | 2.1±0.1 | 2.3±0.2 | 2.0±0.1 |
The values are presented as the mean±SE. Each group, n = 3.
p<0.05 vs. the other groups.
WT, wild-type mice; T1r4lps-d , TLR4-deficient mice; AngII, angiotensin II; NE, norepinephrine; IRB, irbesartan; LVEDd, left ventricular end-diastolic dimension; LVESd, left ventricular end-systolic dimension; IVSWT, interventricular septal wall thickness at end-diastole; PWT, posterior wall thickness at end-diastole; %FS, fractional shortening; E/A ratio, early ventricular filling wave (E wave)/late filling wave caused by atrial contractions (A wave) assessed on Echo Doppler.