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. Author manuscript; available in PMC: 2020 Jun 22.
Published in final edited form as: J Toxicol Environ Health A. 2019 Sep 29;82(17):944–955. doi: 10.1080/15287394.2019.1671278

Table 2.

Hemodynamic measures of isolated mouse hearts at baseline before ischemia and reperfusion.

Time Points Parameters Filtered Air (n=8) Fresh DE (n=8) Aged DE (n=8)
Baseline HR (bpm) 323±20 304±28 315±30
LVDP (cmH2O) 157.7±21.3 79.7±10.7* 102.5±11.2*
dP/dtmax (cmH2O/sec) 5421±868 3127±561* 3725±295*
dP/dtmin (cmH2O/sec) −4023±588 −2300±353* −3367±369
Flow Rate (mL/min) 1.7±0.2 1.6±0.3 2.0±0.2
20 min of reperfusion HR (bpm) 294±20 286±19 288±16
LVDP (cmH2O) 55±16 52±10 45±18
dP/dtmax (cmH2O/sec) 2047±624 1798±356 1726±700
dP/dtmin (cmH2O/sec) −1570±424 −1331±271 −1179±533
Flow Rate (mL/min) 1.8±0.3 1.6±0.2 2.3±0.4
40 min of reperfusion HR (bpm) 292±20 279±12 279±23
LVDP (cmH2O) 63±20 61±12 46±14
dP/dtmax (cmH2O/sec) 2375±735 2287±433 1899±628
dP/dtmin (cmH2O/sec) −1814±491 −1554±378 −1432±467
Flow Rate (mL/min) 1.7±0.3 1.5±0.2 2.3±0.4
60 min of reperfusion HR (bpm) 285±17 278±14 300±12
LVDP (cmH2O) 57±15 63±13 44±9
dP/dtmax (cmH2O/sec) 2413±676 2314±426 1829±499
dP/dtmin (cmH2O/sec) −1771±444 −1589±365 −1169±57
Flow Rate (mL/min) 1.6±0.3 1.4±0.2 1.9±0.4

Values are means ± SE. HR=heart rate, LVDP=left ventricular developed pressure; dP/dtmax=maximum 1st derivative of the change in left ventricular pressure/time; dP/dtmin=minimum 1st derivative of the change in left ventricular pressure/time; Flow rate, coronary flow rate.

*

p < 0.05 compared with FA group at same time point.