Table 1.

Echocardiographic measures in rats after sham-surgery or aortic banding

Treatment	PW, mm	LVDD, mm	LVSD, mm	FS, %
Sham
6 wk	1.83  ±  0.12	8.15  ±  0.22	4.80  ±  0.22	41.4  ±  3.3
12 wk	1.89  ±  0.11	8.32  ±  0.31	4.97  ±  0.28	44.2  ±  4.9
18 wk	1.93  ±  0.10	8.55  ±  0.21	5.09  ±  0.25	40.1  ±  2.8
20 wk	1.91  ±  0.10	8.61  ±  0.24	5.01  ±  0.24	41.4  ±  2.3
LVH
6 wk	2.42  ±  0.16*	7.93  ±  0.18	4.11  ±  0.21	46.8  ±  2.1*
12 wk	2.66  ±  0.14*	8.44  ±  0.24	4.30  ±  0.16	48.2  ±  2.0*
18 wk	2.60  ±  0.18*	8.87  ±  0.22*	5.55  ±  0.13	36.4  ±  2.6*†
20–23 wk	2.68  ±  0.20*	9.44  ±  0.28*	6.36  ±  0.10*	32.6  ±  1.8*†

PW, posterior wall thickness during diastole; LVDD, left ventricular diameter during diastole; LVSD, left ventricular systolic diameter during systole; FS, fractional shortening; *, P < 0.05 compared to sham at similar time period; †, P < 0.05 compared to values at 6 wk.