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. Author manuscript; available in PMC: 2011 May 11.

Published in final edited form as: Circ Res. 2008 Mar 20;102(9):1127–1136. doi: 10.1161/CIRCRESAHA.107.163642

TABLE 1.

LV hemodynamics and echocardiography in control, 4W-MR, and 4W-MR+ β₁-RB dogs

	Control (n=6)	4W-MR (n=6)	4W-MR+β₁-RB (n=6)
Heart rate, bpm	94 ±6	86 ±6	83 ±5
Mean arterial pressure (mmHg)	84 ±3	65 ±4^*	62 ±3^*
LV end diastolic pressure (mmHg)	4 ±1	8 ±1	6 ±2
Systemic vascular resistance, dyne.s.cm⁻⁵	2007 ±219	1606 ±240	2342 ±176
Cardiac output, L/min	3.6 ±0.4	3.8 ±0.6	2.1 ±0.1^*
LV mass, g/kg	4.4 ±0.2	5.0 ±0.3	5.0 ±0.2
LV end-diastolic dimension, % change		9.2 ±2.9^†	17.7 ±4.7^†
LV end-systolic dimension, % change		−7.4 ±5.8	0.1 ±3.6
LV end-diastolic wall thickness, % change		−12.0 ±8.5	−10.2 ±5.8
Wall thickness/end-diastolic dimension, % change		−18.6 ±9.3^†	−20.9 ±6.5^†
Fractional shortening, % change		32.7 ±11.3^†	34.3 ±13.9^†

Values presented as mean±SEM.

^*

P<0.05 vs control.

^†

P<0.05, % change vs baseline study.