Table 4.

Cardiac function for the Langendorff perfusions

Reported values are just prior to the end of the perfusion. Values are mean ± S.E. *, p < 0.05 versus Beating for the same perfusion duration.

Perfusion duration (min)	Beating			Nonbeating
	20 (n = 4)	30 (n = 3)	40 (n = 4)	20 (n = 3)	30 (n = 4)	40 (n = 4)
Heart rate (beats/min)	361 ± 10	408 ± 40	423 ± 15	0 ± 0*	0 ± 0*	0 ± 0*
Developed pressure (mm Hg)	22 ± 4	41 ± 22	28 ± 3	0 ± 0*	0 ± 0*	0 ± 0*
+dP/dTmax (mm Hg/s)	1171 ± 279	1791 ± 584	1421 ± 129	0 ± 0*	0 ± 0*	0 ± 0*
−dP/dTmin (mm Hg/s)	−831 ± 129	−1294 ± 459	−1009 ± 167	0 ± 0*	0 ± 0*	0 ± 0*
Coronary flow (ml/min)	1.32 ± 0.08	1.76 ± 0.52	1.37 ± 0.03	1.00 ± 0.10*	0.89 ± 0.06	0.90 ± 0.06*
MVO2 (μmol/g wet weight/min)	3.0 ± 0.2	4.1 ± 1.2	2.7 ± 0.2	2.1 ± 0.2*	2.0 ± 0.2	2.0 ± 0.1*