Inclusion criteria in the present analysis were STEMI (onset of chest pain ≤ 12 hours and ST-segment elevation in two contiguous leads of ≥ 2 mm in V1-V3 or ≥ 1 mm in other leads), age ≥ 18 years and indication for adjuvant therapy with abciximab (e.g. as bail-out in case of no-reflow, high thrombus burden, dissection, or type B2/C lesions) on the operator's discretion.