ST Segment Elevation Myocardial Infarction
Conditions
Keywords
STEMI, Ischemic postconditioning, Deferred stenting, Primary PCI
Brief summary
This study focuses on Cardioprotective strategies.
Interventions
Conventional primary PCI in STEMI with implantation of DES.
Primary PCI in STEMI with implantation of DES. Following re-opening of the culprit artery mechanical postconditioning with 4 cycles of 30/30 sec. reperfusion/re-occlusion i performed.
In STEMI re-opening of the artery with guidewire/thrombectomy/small size balloon inflation DES stenting is postponed for 48 hours.
Sponsors
Study design
Eligibility
Inclusion criteria
* Age ≥ 18 years. * Acute onset of chest pain of \< 12 hours' duration. * ST-segment elevation ≥ 0.1 mV in ≥ 2 contiguous leads, signs of a true posterior infarction or documented newly developed left bundle branch block. Culprit lesion in a major native vessel.
Exclusion criteria
* Pregnancy. * Known intolerance of ASA, clopidogrel, heparin or contrast. * Inability to understand information or to provide informed consent. * Haemorrhagic diathesis or known coagulopathy. * Stent thrombosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| All cause mortality, heart failure (postconditioning) | 2 years |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Infarct size in relation to area at risk as determined by MRI after 3 month | 3 month | Infarct size Salvage index |
| All cause mortality, myocardial infarction, repeat revascularisation and occurrence of definite stent thrombosis according to ARC definition within 1 year (deferred stent strategy) | 1 year | — |
Other
| Measure | Time frame |
|---|---|
| LVEF (MRI) | 90 days |
| Infarct size (MRI) | 90 days |
| TIMI flow | postprocedure |
| Quality of life | 1 year |
| Microvascular obstruction (MVO) | within 48 hours |
| ST-segment resolution | 90 min postprocedure |
| Wall motion index (echo) | 1 year |
Countries
Denmark