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Standard treatment of patients with acute ST-segment elevation myocardial infarction consist of acute re-opening of the occluded coronary artery (primary PCI). Despite successful treatment of the epicardial vessel reperfusion is sometimes inadequate leading to large final infarct sizes. This phenomenon is known as the reperfusion injury. Several animal studies have indicated that graded re-opening of the artery may limit tissue damage. Generally this is referred to as mechanical postconditioning.
The study investigates the effect on final infarct size evaluated by magnetic resonance scan of postconditioning of ST-segment elevation myocardial infarctions. Mechanical postconditioning is performed by means of several balloon inflations in the injured vessel following its acute re-opening.
Please see above
Allocation: Randomized, Control: Placebo Control, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Treatment
ST-Segment Myocardial Infarction
Standard primary PCI, Mechanical postconditioning
Cardiac Catherization Lab., Heart Center, Rigshospitalet, University of Copenhagen
Active, not recruiting
Published on BioPortfolio: 2014-07-23T21:28:42-0400
The purpose of this study is to determine whether brief periods of ischemia performed just at the time of reperfusion -postconditioning- can reduce coronary endothelial dysfunction and inf...
The purpose of this study is to investigate the effects of postconditioning on myocardial reperfusion in patients with ST-segment elevation myocardial infarction.
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A myocardial infarction that does not produce elevations in the ST segments of the ELECTROCARDIOGRAM. ST segment elevation of the ECG is often used in determining the treatment protocol (see also ST Elevation Myocardial Infarction).
A clinical syndrome defined by MYOCARDIAL ISCHEMIA symptoms; persistent elevation in the ST segments of the ELECTROCARDIOGRAM; and release of BIOMARKERS of myocardial NECROSIS (e.g., elevated TROPONIN levels). ST segment elevation in the ECG is often used in determining the treatment protocol (see also NON-ST ELEVATION MYOCARDIAL INFARCTION).
MYOCARDIAL INFARCTION in which the anterior wall of the heart is involved. Anterior wall myocardial infarction is often caused by occlusion of the left anterior descending coronary artery. It can be categorized as anteroseptal or anterolateral wall myocardial infarction.
A malformation that is characterized by a muscle bridge over a segment of the CORONARY ARTERIES. Systolic contractions of the muscle bridge can lead to narrowing of coronary artery; coronary compression; MYOCARDIAL ISCHEMIA; MYOCARDIAL INFARCTION; and SUDDEN CARDIAC DEATH.
MYOCARDIAL INFARCTION in which the inferior wall of the heart is involved. It is often caused by occlusion of the right coronary artery.