Electroacupuncture reduces myocardial infarct size and improves post-ischemic recovery by invoking release of humoral, dialyzable, cardioprotective factors

Table 1 Haemodynamic data

Group	n	HR, beats/min	LVDP, mmHg (baseline) or % (120 min after reperfusion)	+dP/dt, mmHg/s (baseline) or % (120 min after reperfusion)	−dP/dt, mmHg/s (baseline) or % (120 min after reperfusion)	LVEDP, mmHg	CFR, ml/min
Baseline
Sham	6	180 ± 8	133 ± 5.6	2,086 ± 192	−1,498 ± 89	7.3 ± 0.6	64.4 ± 2.1
rIPC	6	165 ± 2	110 ± 4.6	1,880 ± 132	−1,301 ± 42	5.9 ± 0.2	54.4 ± 1.7
EA at Neiguan point	7	170 ± 7	88 ± 3.9	2,159 ± 331	−1,336 ± 64	6.7 ± 0.3	53.1 ± 5.3
120 min after reperfusion
Sham	6	155 ± 12	31.7 ± 3.5	34.5 ± 12.6	−34.2 ± 4.6	37.4 ± 6.8	28.1 ± 2.5
rIPC	6	146 ± 7	43.2 ± 2.5*	48.9 ± 4.9	−45.6 ± 2.2	24.9 ± 4.4*	26.7 ± 2.0
EA at Neiguan point	7	135 ± 6	41.6 ± 6.2*	35.4 ± 9.8	−39.3 ± 7.8	12.3 ± 3.4**	25.3 ± 3.1

Values are mean ± SE
n Number of rabbits in each group, HR heart rate, LVDP left ventricular developed pressure, +dP/dt maximum rates or contraction, −dP/dt maximum rates of relaxation, % percentage of baseline (pre-ischemia), LVEDP left ventricular end-diastolic pressure, CFR coronary rate flow, rIPC remote ischemic preconditioning, EA electroacupuncture at the Neiguan point
** p < 0.01 vs. sham, * p < 0.05 vs. Sham

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