نتایج جستجو برای: intramyocardial injection
تعداد نتایج: 158478 فیلتر نتایج به سال:
We investigated the effects of carbon dioxide-producing and carbon dioxide-consuming buffers on intramyocardial pH and on cardiac resuscitability. In 29 pigs, intramyocardial pH was continuously measured with a glass electrode advanced into the midmyocardium of the posterior left ventricle through a diaphragmatic window. Ventricular fibrillation (VF) was electrically induced by alternating curr...
BACKGROUND Impaired cardiac function persists in the era of effective human immunodeficiency virus (HIV) therapy, although the etiology is unclear. We used magnetic resonance imaging (MRI) to measure intramyocardial lipid levels and fibrosis as possible contributors to HIV-associated myocardial dysfunction. METHODS A cross-sectional study of 95 HIV-infected and 30 matched-healthy adults, with...
BACKGROUND During coronary stenosis, flow reserve in the adjacent nonstenotic bed decreases, but the microvascular mechanisms are unknown. Because myocardial contrast echocardiography (MCE) assesses microvascular physiology, we used it to relate flow reserve to intramyocardial blood volume in the adjacent bed. METHODS AND RESULTS A noncritical left anterior descending (LAD) stenosis was creat...
A 60-year-old male with a recent anterior myocardial infarction (MI) was referred to our hospital for implantable cardioverter defibrillator (ICD) implantation. He was on the 42nd day of MI and clinically stable on admission. Electrocardiography showed right bundle branch block with QS pattern on anterior leads. Transthoracic echocardiographic examination revealed an ejection fraction of 25% wi...
Objective(s):Although previous studies have confirmed the beneficial effects of human umbilical cord matrix stem cell (hUCM) transplantation post myocardial infarction (MI), but this stem cell resource has no potential to induce angiogenesis. In order to achieve the process of angiogenesis and cardiomyocyte regeneration, two required factors for cardiac repair agents were examined namely; hUCM ...
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