نتایج جستجو برای: coronary angiography
تعداد نتایج: 220543 فیلتر نتایج به سال:
Background: Primary aldosteronism (PA) is the most frequent form of potentially reversible hypertension and coronary-pulmonary fistulas are increasingly recognized during routine coronary angiography or multidetector computed tomography for analysis chest pain in hypertensive patients. Aldosterone hypersecretion has been associated with endothelial proliferation pathological remodeling heart ar...
Background & Aim: One of the cause of anxiety for most patients is hospitalization. Once the patients are hospitalized for cardiac catheterization, the anxiety would be augmented. The anxiety raises body physiological and psychological activities such as: heart rate and respiratory rate. This research, as clinical trial study, has the objective to determine the influence of applying two methods...
Background & Aims: The clinical value of T wave inversion (TWI) in the lead aVL in diagnosing coronary artery disease (CAD) remains unclear. Hence, we aim to evaluate the association between TWI in the aVL lead and the severity and location of coronary artery stenosis in elective coronary angiography. Material and Method: Electrocardiograms (ECGs) of 167 consecutive patients undergoing electiv...
Coronary angiography is the current gold standard for the diagnosis of ischemic heart disease and therefore the prevalence of percutaneous coronary procedures such as angiography and angioplasty is high. The occurrence of cerebral complications after coronary angiography and coronary angioplasty is low and it mainly includes transient ischemic attack and stroke. The prevalence of transient cort...
Coronary CT angiography has been increasingly used in the diagnosis of coronary artery disease owing to rapid technological developments, which are reflected in the improved spatial and temporal resolution of the images. High diagnostic accuracy has been achieved with multislice CT scanners (64 slice and higher), and in selected patients coronary CT angiography is regarded as a reliable alterna...
Introduction: Coronary angiography is often associated with complications such as hemorrhage and hematoma that should be considered and be minimized. Objective: This study aimed to determine the effect of Zinc oxide scallop-shell powder as a topical hemostatic agent (composed mainly of calcium) on complications after coronary angiography. These complications include hemostasis time, low back p...
Background: A coronary artery fistula (CAF) is an aberrant vascular contact of arteries with cardiac chambers or any section the pulmonary systemic circulation, which accounts for 0.3% congenital heart disorders. CAFs have been observed to be as common 0.9% at computed tomographic (CT) angiography, greater than previously estimated prevalence 0.002 – invasive angiography.
 Case Summary: 76...
PURPOSE To examine the accuracy of magnetic resonance (MR) coronary angiography for the evaluation of coronary artery stenoses, and to compare the results with conventional angiography as the reference standard. MATERIALS AND METHODS Eighteen patients were examined. The pulse sequence was an ECG-triggered, T2-prepared, fat-suppressed 3D true fast imaging with steady state precession sequence ...
Introduction: In patients with coronary artery disease (CAD) noninvasive evaluation for detection of ischemia is important to avoid invasive interventions like angiography. Exercise stress test is conventionally the first study used in evaluation of CAD. Considering the noninvasive nature of the myocardial perfusion scan, we decided to compare its accuracy with stress test. Methods: Patie...
Congenital anomalies of the coronary artery causing coronary occlusive disease may be of many different types. A 67-year-old woman with no coronary risk factors was referred for coronary angiography with few months' history of angina. The patient underwent coronary angiography due to ischemic cardiac symptoms with nondiagnostic exercising test. In coronary angiography, the left main coronary ar...
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