Effect of Remote Ischaemic Conditioning on Clinical Outcomes in STEMI Patients Undergoing PPCI (CONDI2/ERIC-PPCI)

Inclusion criteria: 1. Onset of STEMI symptoms within 12 hours, lasting for more than 30 minutes 2. Patients older than 18 years 3. Suspected STEMI (ST-elevation at the J-point in two contiguous leads with the cutoff points: ≥0.2 millivolt (mV) in men or ≥0.15 mV in women in leads V2-V3 and/or ≥0.1 mV in other leads) Exclusion criteria: 1. Previous coronary artery bypass graft surgery 2. Myocardial infarction within the previous 30 days 3. Treatment with thrombolysis within the previous 30 days 4. Left bundle branch block 5. Patients treated with therapeutic hypothermia 6. Conditions precluding use of RIC (paresis of upper limb, use of an a-v shunt) 7. Life expectancy of less than 1 year due to non-cardiac pathology