Microvascular Integrity in Myocardial Injury
نویسندگان
چکیده
منابع مشابه
Microvascular Integrity in Myocardial Injury
Infarct size and extent of transmural involvement are major determinants of left ventricular (LV) remodeling after myocardial infarction (MI), and restoration of the patency of the coronary artery alone remains the most important intervention to limit the extent of myocardial injury. Noninvasive imaging modalities, such as contrast echocardiography and cardiac magnetic resonance imaging, have s...
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We studied microvascular injury after myocardial cryothermia in rats using intravital fluorescence microscopic techniques. Cryolesions were induced to the right ventricle by freezing with -160 degrees C (probe diameter: 5 mm) for a total of 5 min. Fluorescence microscopy was performed at 15, 30, 60, 90, and 120 min as well as at 3 and 7 days after cryothermia. Analysis of the epicardial microva...
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Maznyczka AM, et al. Heart Month 2017 Vol 0 No 0 Figure 1 Two patients, both with acute inferior ST-segment-elevation myocardial infarction treated successfullywith primary percutaneous coronary intervention (PCI). Each patient had thrombolysis in myocardial infarction (TIMI) grade 3 flow at the end of PCI. Cardiac magnetic resonance (CMR) imaging was performed at 3 days postreperfusion in both...
متن کاملFunctional role of microvascular integrity in patients with infarct-related artery patency after acute myocardial infarction.
AIMS The study was set up to evaluate the functional role of post-infarct preserved microvascular integrity. Low dose dobutamine echocardiography and myocardial contrast echocardiography were used to study patients before hospital discharge who had suffered a recent myocardial infarction and had a patent infarct-related artery (TIMI flow grade 3). METHOD In the dysfunctioning infarct area, th...
متن کاملMicrovascular integrity indicates myocellular viability in patients with recent myocardial infarction. New insights using myocardial contrast echocardiography.
BACKGROUND Patency of the infarct-related artery (IRA) after acute myocardial infarction (AMI) may not reflect the magnitude of tissue perfusion. In animal models of AMI, myocardial cellular necrosis has been associated with extensive capillary damage. Because myocardial contrast echocardiography (MCE) can define the spatial distribution of microvascular perfusion, we hypothesized that it could...
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ژورنال
عنوان ژورنال: Circulation: Cardiovascular Imaging
سال: 2016
ISSN: 1941-9651,1942-0080
DOI: 10.1161/circimaging.116.005821