Research Article

Comparative Effects of Verapamil, Nicardipine, and Nitroglycerin on Myocardial Ischemia/Reperfusion Injury

Table 1

Hemodynamics during ischemia and reperfusion.

GroupPreischemia30 min after ischemia30 min after reperfusion60 min after reperfusion

HR (beats/min)Group C158.1 ± 18.9171.7 ± 12.8163.9 ± 14.9159.9 ± 14.7
Group NC168.0 ± 25.7153.0 ± 10.8154.6 ± 18.9164.8 ± 32.5
Group V167.3 ± 22.6176.4 ± 27.1169.3 ± 19.3162.0 ± 24.8
Group NT155.1 ± 19.0156.9 ± 20.2146.3 ± 19.9 147.6 ± 12.1

MAP (mmHg)Group C70.0 ± 5.163.0 ± 8.063.8 ± 7.964.3 ± 8.8
Group NC49.8 ± 13.0 # 55.8 ± 8.558.4 ± 8.751.5 ± 11.5 #
Group V56.8 ± 7.2 # 52.4 ± 5.5 # 51.4 ± 4.4 # 51.3 ± 4.6 #
Group NT52.5 ± 5.5 # 52.8 ± 3.6 # 52.7 ± 4.2 # 52.5 ± 2.1 #

RPP (mmHg/min)Group C13167.2 ± 562.012765.5 ± 606.612478.4 ± 552.112438.1 ± 563.2
Group NC11201.8 ± 1459.611316.8 ± 1233.011387.4 ± 1219.111318.6 ± 1418.4
Group V11421.3 ± 417.011270.3 ± 548.110918.9 ± 430.110485.0 ± 469.0
Group NT10799.0 ± 348.710584.2 ± 239.2 # 10002.5 ± 445.0 # 9863.7 ± 362.0 #

HR: heart rate. MAP: mean arterial blood pressure. RPP: rate pressure product. # Significantly different ( 𝑃 < . 0 5 ) from Group C (mean ± S.D.). Significantly different ( 𝑃 < . 0 5 ) from Group V (mean ± S.D.).