In vivo characterization of rodent cyclic myocardial perfusion variation at rest and during adenosine-induced stress using cine-ASL cardiovascular magnetic resonance

Table 2 Individual myocardial blood flow obtained in 7 healthy rats at rest and during adenosine stress

Rat	MBF rest (mL g^-1min^-1)				MBF stress (mL g^-1min^-1)				ΔMBF_Cycl(%)
	Min	Max	Mean	SD	Min	Max	Mean	SD	Rest	Stress
1	5.5	7.3	6.3	0.6	12.7	13.7	13.2	0.7	25.2	7.3
2	5.4	6.6	5.9	0.5	11.9	13.7	12.7	0.7	19.1	12.8
3	3.5	6.8	4.8	1.0	10.5	14.8	12.3	1.4	48.5	29.2
4	5.3	7.3	6.2	0.6	12.3	15.0	13.5	1.0	28.2	17.8
5	4.5	6.1	5.3	0.5	12.8	15.0	13.7	0.8	26.4	14.7
6	4.0	5.7	5.1	0.6	10.6	13.8	12.5	1.0	29.5	22.8
7	4.7	6.3	5.1	0.5	10.8	13.5	11.8	0.9	25.3	19.8
Mean	4.7	6.6^†	5.5	0.6	11.7	14.2^†	12.8^‡	0.9	27.2	17.8^*
SD	0.7	0.6	0.6		1.0	0.7	0.7		9.3	7.1

Individual mean and standard deviation has been calculated over the entire cardiac cycle. Two-tailed paired t-test P values: ^*P = 0.014 (ΔMBF_Cycl), ^†P = 0.0007 (maximum vs. minimum) and ^‡P<0.0001 (stress vs. rest for Mean MBF).

ISSN: 1532-429X