View clinical trials related to Myocardial Edema.
Filter by:Heart failure (HF) is an enormous health burden affecting approximately 5.1 million people in the US and is the cause of 250,000 deaths each year. Approximately 50% of HF is caused by myocardial ischemia and requires immediate restoration of coronary blood flow to the affected myocardium. However, the success of reperfusion is partly limited by intramyocardial hemorrhage, which is the deposition of intravascular material into the myocardium. Hemorrhagic reperfusion injury has high prevalence and patients have a much greater risk of adverse left ventricular remodeling, risk of fatal arrhythmia, impaired systolic function and are hospitalized at a greater rate. Recent magnetic resonance imaging techniques have improved assessment of reperfusion injury, however, the association between MRI contrasts and reperfusion injury is highly unclear, and lacks specificity to IMH. Improved imaging of IMH and accurate knowledge about its spatial and temporal evolution may be essential for delivery of optimal medical therapy in patients and critical to identify patients most at risk for adverse ventricular remodeling. The overall goal is to investigate the magnetic properties of hemorrhage and develop MRI techniques with improved specificity to hemorrhage. New MRI techniques permit noninvasive assessment of the magnetic susceptibility of tissues and can target tissue iron. Therefore, the investigators hypothesize that MRI imaging of myocardial magnetic susceptibility can map hemorrhagic myocardium. The investigators will perform a longitudinal observational study in patients after reperfusion injury to validate these methods, compare the methods with conventional MR contrasts and develop MR methods for imaging humans.
The purpose of this study is to determine whether atorvastatin 80mg can reduce the development of myocardial edema following coronary artery bypass surgery. This study also want to determine: 1. whether atorvastatin 80mg can influence Follistatin-like 1 (FSTL1) plasma level following bypass surgery? 2. whether there is correlation between myocardial edema and FSTL1 plasma level? 3. the efficacy of atorvastatin 80mg compared to atorvastatin 10mg in reducing hs-CRP (high sensitive-C reactive protein) and MDA (malondialdehyde) plasma level following bypass surgery? 4. the efficacy of atorvastatin 80mg compared to atorvastatin 10mg in raising PKA and PKB plasma level following bypass surgery?
Background: - INFUSE AMI is an ongoing clinical trial examining how patients with heart attacks are treated. The study's aim is to help determine the best way to treat patients with specific kinds of heart attacks caused by blood clots. - To evaluate the effect of the heart attack on the heart tissue and function, participants in the INFUSE-AMI study will have magnetic resonance imaging (MRI) scans of the heart at specific times after their heart attack. Objectives: - To perform cardiac MRI scans on patients who are participating in the INFUSE-AMI study. Eligibility: - Individuals at least 18 years of age who are enrolled in the INFUSE-AMI study. Design: - Participants will have an MRI scan of the heart about 5 days and between 23 and 44 days after their heart attack. The MRI scan at day 5 is optional. - Participants will provide a blood sample prior to the MRI scan. - During the scan, participants will be given a contrast drug to show the blood flow to and within the heart. An electrocardiogram will be used to monitor the heart during the procedure. - No other treatment will be provided in this protocol.