In vivo MRI and ex vivo histological assessment of the cardioprotection induced by ischemic preconditioning, postconditioning and remote conditioning in a closed-chest porcine model of reperfused acute myocardial infarction: importance of microvasculature

Table 3 Myocardial function as assessed by MRI

	Isch	IPreC	IPostC	RIC
HR (1/min)	96.26 ± 7.76	100.50 ± 5.06	103.11 ± 4.75	100.13 ± 5.07
LV EDVI (mL/kg)	3.63 ± 0.25	3.10 ± 0.02	3.55 ± 0.16	3.55 ± 0.09
LV ESVI (mL/kg)	2.07 ± 0.15	1.81 ± 0.14	1.99 ± 0.13	2.09 ± 0.17
LV SVI (mL/kg)	1.49 ± 0.11	1.29 ± 0.15	1.53 ± 0.07	1.40 ± 0.10
LV EF (%)	43.47 ± 1.67	41.64 ± 4.75	44.63 ± 1.55	41.55 ± 2.77
LV COI (L/min/kg)	0.15 ± 0.02	0.11 ± 0.01	0.16 ± 0.01	0.14 ± 0.02
RV EDVI (mL/kg)	2.86 ± 0.21	2.80 ± 0.18	2.43 ± 0.09	2.59 ± 0.10
RV ESVI (mL/kg)	1.40 ± 0.09	1.65 ± 0.05	1.24 ± 0.07	1.32 ± 0.08
RV SVI (mL/kg)	1.46 ± 0.15	1.15 ± 0.18	1.29 ± 0.07	1.28 ± 0.08
RV EF (%)	43.95 ± 2.43	40.63 ± 3.66	47.44 ± 2.89	47.42 ± 2.61
RV COI (L/min/kg)	0.14 ± 0.02	0.09 ± 0.01	0.13 ± 0.01	0.12 ± 0.01

n = 4–8/group
Isch ischemia only, IPreC ischemic preconditioning, IPostC ischemic postconditioning, RIC remote ischemic conditioning, LV left ventricle, RV right ventricle, EDVI end-diastolic volume index, ESVI end-systolic volume index, SVI stroke volume index, EF ejection fraction, COI cardiac output index

ISSN: 1479-5876