Table 2. Hemodynamic parameters in AAC rats and AAC rats with β-AR blocker treatment.

	Sham	AAC	AAC+Meto-4w	AAC+ Prop-4w	AAC+Meto-8w	AAC+ Prop-8w
N	6	5	5	4	8	6
HR	189.3±9.9	195.6±19.4	208.8±28.5	200.5±23.2	202.6±21.3	207.5±11.5
LVEDP	0.4±3.3	4.9±2.6*	0.5±1.9†	−5.2±2.7†	8.1±3.1	5±3.1
Ea	1.45±0.85	2.19±0.7*	1.90±1.40	1.2±0.4†	1.70±1.20	1.54±0.4
dPdtMax	6516±1211	4448±876*	5147±627	6566±1401†	6169±1568†	6752±1064†
dPdtMin	−7211±1820	−5060±940*	−6077±2152	−8054±2463†	−7260±1839†	−7480±1507†
tauWeiss	14.3±2.8	17.9±2.3*	16.4±2.2	13.7±1.4†	22±4.6	17.5±1.4

HR, heart rate; LVEDP, left ventricular end diastolic pressure; Ea, arterial elastance; dP/dtmax, maximal slope of systolic pressure increment; dP/dt min maximal slope of diastolic pressure decrement; meto, metoprolol; prop, propranolol. Data are mean ± s.d. * P<0.05 versus control; †P<0.05 vs. AAC.