Table 1

 Baseline characteristics of patients undergoing cardiovascular magnetic resonance

Medical group (n = 11)PCI group (n = 12)p Value
ACE, angiotensin converting enzyme; EDVI, end diastolic volume index; ESVI, end systolic volume index; LVEDP, left ventricular end diastolic pressure; LVMI, left ventricular mass index; MI, myocardial infarction; TIMI, thrombolysis in myocardial infarction.
Age (years)55.7 (10.4)58.3 (10.6)0.4
Peak creatine kinase (U/l)180024000.7
Risk factors
    Smoker at time of MI36.4%46.2%0.2
Post-MI treatment
    β Blockers90.9%92.3%1.0
    ACE inhibitors100%100%
Initial CMR
    EDVI (ml)92 (26)98 (20)0.2
    ESVI (ml)53 (27)58 (24)0.5
    Ejection fraction (%)44 (14)43 (14)0.8
    LVMI (g/m2)72 (12)82 (18)0.1
Screening angiogram
    Time from MI to angiogram (days)36.7 (12.0)22.8 (16.2)0.9
    TIMI 0 flow63.6%91.7%
    TIMI 1 flow36.4%8.3%
    LVEDP (mm Hg)