Low-Dose Alteplase During Primary Percutaneous Coronary Intervention According to Ischemic Time.

Secondary outcomes CMR parameters at 2 to 7 days Although the interaction between ischemic time and treatment in relation to the binary outcome of the presence of any MVO did not reach statistical significance (odds ratio [OR]: 1.84; 95% CI: 1.04 to 3.24; p = 0.036; interaction p = 0.076), there was a trend toward a higher prevalence with increasing dose in patients presenting ≥4 to 6 h ( Table 2 ), but no evidence of a treatment effect with shorter ischemic times.

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