Table 1.

Hemodynamic parameters

			Reperfusion
Parameter	Baseline	Ischemia (15 min)	10 min	180 min
HR, beats/min
Males	268 ± 4	259 ± 4	250 ± 4‡	246 ± 3‡
Females	243 ± 6*	253 ± 7	250 ± 9	224 ± 3*‡
Oophorectomized females	245 ± 10*	236 ± 5*	241 ± 8	227 ± 7*
MAP, mmHg
Males	63 ± 2	54 ± 2‡	54 ± 2‡	49 ± 2‡
Females	77 ± 3*	67 ± 3*‡	62 ± 4‡	58 ± 2*‡
Oophorectomized females	75 ± 4*	61 ± 3	64 ± 3‡	63 ± 3*
LVEDP, mmHg
Males	2.2 ± 0.4	5.9 ± 0.9‡	5.2 ± 0.6‡	4.9 ± 0.8‡
Females	2.7 ± 0.5	3.8 ± 0.8	4.2 ± 0.8	3.8 ± 0.9
Oophorectomized females	2.4 ± 0.5	5.6 ± 0.9‡	3.8 ± 0.4	3.6 ± 0.5
+dP/dtmax, mmHg/s
Males	1977 ± 63	1636 ± 69‡	1601 ± 84‡	1415 ± 72‡
Females	2367 ± 137*	2235 ± 89*	2087 ± 186*	1986 ± 168*
Oophorectomized females	1734 ± 68†	1544 ± 70†	1593 ± 95	1583 ± 142
RPP/1,000, mmHg·beats·min−1
Males	20.5 ± 0.6	17.0 ± 0.6‡	16.7 ± 0.6‡	18.2 ± 2.6
Females	19.7 ± 0.9	17.7 ± 1.0‡	16.6 ± 1.3‡	14.6 ± 0.8‡
Oophorectomized females	19.6 ± 2.1	15.9 ± 0.7	16.2 ± 1.2	14.9 ± 0.8

Values are means ± SE. HR, heart rate; MAP, mean arterial pressure; LVEDP, left ventricular (LV) end-diastolic pressure; +dP/dt_max, maximal rate of LV pressure increase over time; RPP, rate-pressure product.

^* P < 0.05 vs. males at that time point;

^† P < 0.05 vs. females at that time point;

^‡ P < 0.05 vs. baseline.