TABLE 1.

Gross and hemodynamic data

Hemodynamic data were recorded 1 h after surgery.

	Group
	Sham	A2B AdoR Antagonist MI	Vehicle MI
Age, weeks	11 ± 1	12 ± 1	11 ± 1
Weight, g	32 ± 1	34 ± 1	32 ± 1
LVPSP, mm Hg	99 ± 3	57 ± 9*	58 ± 8*
HR, min	417 ± 13	428 ± 32	434 ± 18

^*, P < 0.001 vs. sham.