Table 1 Infarct size and MO phenomenon have been associated with adverse ventricular remodeling following STEMI. The relative contribution of these factors is unknown. Infarct size appears to be a stronger determinant of final ejection fraction and left ventricular volumes.

EF% baseline

43.8 ± 11.2

54.9 ± 11.3

< 0.05

EF% follow-up

49 ± 8.6

59.1 ± 11.4

< 0.05

LVEDVml baseline

153 ± 24.6

130.2 ± 28.1

= 0.05

LVEDVml follow-up

192,8 ± 52.9

144.7 ± 24.8

< 0.05

LVESV ml baseline

88.2 ± 28.5

58.2 ± 26.5

< 0.01

LVESV ml follow-up

101.1 ± 42.7

58.5 ± 26.5

< 0.01

Infarct size% LV mass, bseline

134.7 ± 11.7

19.6 ± 14

< 0.05