Table 1

Hemodynamics Summary

Heart Rate (beats/min)Stroke Volume (μl)Cardiac Output (ml/min)Ejection Fraction (%)Fractional Shortening (%)LVIDd (mm)LVIDs (mm)
Baseline
 WT458 ± 842 ± 120 ± 169 ± 139 ± 13.65 ± 0.052.43 ± 0.05
 Rad−/−490 ± 741 ± 120 ± 177 ± 145 ± 13.50 ± 0.041.96 ± 0.03
1-day sham
 WT463 ± 929 ± 214 ± 143 ± 422 ± 23.80 ± 0.162.93 ± 0.13
 Rad−/−521 ± 1131 ± 216 ± 164 ± 235 ± 13.42 ± 0.062.27 ± 0.07
1-day MI
 WT540 ± 1318 ± 210 ± 124 ± 211 ± 14.06 ± 0.163.69 ± 0.09
 Rad−/−501 ± 1031 ± 316 ± 148 ± 324 ± 23.88 ± 0.142.94 ± 0.13

Values are mean ± SD.

LVIDd = left ventricular internal dimension in diastole; LVIDs = left ventricular internal dimension in systole; MI = myocardial infarction; WT = wild-type.

  • Significantly different vs. sham at 1 day post-MI.

  • Significantly different vs. WT at 1 day post-MI.