نتایج جستجو برای: coronary artery diseases
تعداد نتایج: 1102195 فیلتر نتایج به سال:
Introduction: Coronary Heart Disease can be mentioned as one of the main causes of death in the world. In recent years, the role of psychological factors has been taken into account in the onset and exacerbation of cardiovascular diseases, particularly coronary artery disease. Thus, this study aimed to determine the level of perceived stress in patients with coronary heart disease as a step tow...
Background and Objective: Thrombolysis in myocardial infarction (TIMI) frame count (TFC) is an objective and quantitative index of coronary flow, and myocardial fractional flow reserve (FFR) is a lesion-specific index for epicardial coronary stenosis. Currently, FFR is the most valid tool for decision making in coronary interventions. However, it incurs relatively high costs and it is not reimb...
Background: Hypertension (HTN) is a major risk factor for coronary heart diseases (CHDs) and stroke. Coronary computed tomography (CT) enables physicians to visualize the vascular system with high specificity sensitivity. Aim of work: To evaluate role CT angiography as diagnostic tool in assessment chest pain patients suffering from HTN. Patients Methods: This prospective study was carried out ...
background one of the most important causes of mortality in developed and developing countries is coronary artery disease. coronary artery disease (cad) may develop by deposition of lipid, fibrous or calcified debris on the surface of the coronary artery lumen. fibrous plaque and calcified plaque may cause substantial stenosis of coronary arteries leading to ischemia of heart muscle while lipid...
congenital absence of left circumflex artery is a rare congenital anomaly of the coronary arteries. the prevalence of the anomaly in different studies ranges from 0.6% to 1.3%. of these, 80% are benign and asymptomatic and 20% are clinically important. we report a 56-year-old man presented with acute resting chest pain who was diagnosed as having acute anterolateral infarction accompanied by el...
Coronary artery diseases are among the leading causes of death in the industrial countries. The high death rate leads to an increased demand of diagnosis and treatment of these diseases. Additional to the conventional coronary angiography, the CT angiography is mainly used in the extended diagnostics of coronary artery diseases. This modality allows a detailed assessment of the coronary vessels...
Background: Although a few studies have shown the positive correlation between patients’ serum concentration of 25 OH-Vitamin D3 and type II diabetes mellitus, metabolic syndrome, and insulin resistance, there are controversies regarding the relationship between 25 OH-Vitamin D3 as a risk factor for cardiovascular atherosclerotic diseases that has to be cleared. The aim of this study was to eva...
Introduction: Myocardial bridging is a congenital condition in which a segment of a major epicardial coronary artery has an intra myocardial route. Myocardial bridging is usually confined to a single vessel and is typically the mid segment of the left anterior descending artery. Bridging may be associated with chest pain, myocardial infarction, and sudden cardiac death, or usually asymptomati...
Inflammation plays a major role in coronary artery disease (CAD). Currently, it is unclear, whether Cytomegalovirus (CMV) infection is associated with the risk of the atherosclerosis. The aim of this study was to determine the prevalence of anti- CMV antibodies in CAD and non CAD patients undergoing artery bypass surgery. Sera from 157 patients who underwent coronary angiography were tested for...
Background: Epidemiological studies have suggested an association between higher body iron stores and coronary artery disease. It is believed that inflammation and oxidation are important mechanisms involved in the complex pathological process of atherogenesis. Free radical production is catalyzed and accelerated in the presence of iron. The determination of plasma ferritin levels is a convenie...
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