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| Name | Class |
|---|---|
| Fédération Française de Cardiologie | OTHER |
| Société Française de Cardiologie | OTHER |
RIRE-1 is a randomized, open-label with blinded end-point study that will test the hypothesis that remote ischemic preconditioning initiated at the time of the admission in the cathlab reduces infarct size in ST-segment elevation myocardial infarction (STEMI) patients treated with percutaneous coronary intervention (PCI). Furthermore, it will determine whether a combined approach remote ischemic preconditioning and local ischemic postconditioning can further reduce infarct size. Infarct size will be determined by cardiac magnetic resonance imaging at 3-month follow-up and with 72 hours area under curve of CK-MB.
In the management of STEMI, prompt reperfusion of the jeopardized myocardium is the most effective way to limit infarct size, which is a major determinant of morbidity and mortality. However, restoration of blood flow may paradoxically have deleterious consequences and lead to lethal myocardial ischemia-reperfusion injury. Local ischemic postconditioning (IPost) and remote ischemic preconditioning (RIPer) are promising methods to decrease ischemia-reperfusion injury.
The hypothesis tested in this research proposal is that RIPer initiated at the time of the admission in the cathlab reduces infarct size in STEMI patients treated with PCI. Furthermore, the investigators will determine whether a combined approach RIPer + IPost can further reduce infarct size.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | Experimental |
| |
| RIPer | Active Comparator | Remote ischemic preconditioning |
|
| RIPer + IPost | Active Comparator | Remote ischemic preconditioning and Local ischemic postconditioning |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Control | Procedure | Deflated blood pressure cuff placed on upper arm for 30min |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Infarct size | Infarct size as assessed by 72 hours area under curve serum CK-MB and cardiac magnetic resonance imaging at 3-month follow-up | 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| Microvascular obstruction | Microvascular obstruction as assessed by cardiac magnetic resonance imaging at 5-day follow-up | 5 days |
| Left ventricular remodeling | Left ventricular remodeling as assessed by cardiac magnetic resonance imaging at 5-day and 3-month follow-up |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Fabrice Prunier, MD, PhD | University Hospital, Angers | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CHU Angers - Service de Cardiologie | Angers | 49933 | France |
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| ID | Term |
|---|---|
| D009203 | Myocardial Infarction |
| ID | Term |
|---|---|
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D014652 | Vascular Diseases |
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| RIPer |
| Procedure |
Blood pressure cuff placed on upper arm and inflated to 200 mmHg for 5 min and then deflated for 5 min. This cycle is initiated as soon as possible after patient admission in the cathlab and repeated 3 times in total. |
|
| RIPer + IPost | Procedure | Blood pressure cuff placed on upper arm and inflated to 200 mmHg for 5 min and then deflated for 5 min. This cycle is initiated as soon as possible after patient admission in the cathlab and repeated 3 times in total. Within the first minute of re-established coronary flow by primo-stenting, the same balloon is re-inflated for 1 min and then deflated for 1min. This procedure of balloon inflation/deflation is repeated 4 times in total. |
|
| 3 months |
| D007238 |
| Infarction |
| D007511 | Ischemia |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009336 | Necrosis |