نتایج جستجو برای: ray angiography
تعداد نتایج: 339834 فیلتر نتایج به سال:
Background: The aim of this study is to explore the safety and diagnostic performance of dual-source CT scan in comparison with single source CT scan and conventional angiography in patients with coronary heart diseases.Materials and methods: A systematic review was performed using CRD standard methods. The Cochrane Library, MEDLINE, EMBASE، Google Scholar and TRIP were searched up to April 200...
BACKGROUND The advent of fibrin-binding molecular magnetic resonance (MR) contrast agents and advances in coronary MRI techniques offers the potential for direct imaging of coronary thrombosis. We tested the feasibility of this approach using a gadolinium (Gd)-based fibrin-binding contrast agent, EP-2104R (EPIX Medical Inc), in a swine model of coronary thrombus and in-stent thrombosis. METHO...
OBJECTIVES The purpose of this study was to assess the value of cardiovascular magnetic resonance (CMR)-determined graft flow and flow reserve in differentiating significant from non-significant vein graft disease. BACKGROUND In patients after coronary artery bypass grafting (CABG), non-invasive testing may be helpful in the detection of recurrent graft disease. METHODS Randomly selected pa...
OBJECTIVES We sought to examine whether contrast-enhanced multidetector row computed tomography (MDCT) allows prediction of X-ray angiographic planes for the root angiogram in the context of transcatheter aortic valve implantation. BACKGROUND Understanding of aortic root orientation relative to the body axis is critical for precise positioning of the stent/valve during transcatheter aortic va...
Diseases of coronary system and heart are the main reason of deaths in highly civilized population. Then the appropriate diagnostic methods and treating of early disorders are very important for a population health care. As the imaging techniques play a great role in good diagnosis they are intensively used and developed. Among the most commonly used methods is coronary angiography, which invol...
Patent coronary artery bypass grafts are at risk of injury during redo cardiac surgery. In particular, damage to a patent left internal mammary artery (LIMA) graft during repeat surgery is a well-described and potentially lethal complication [1]. Precise anatomical information is important for planning the surgical approach in reoperative cardiac surgery. The standard preoperative work-up inclu...
Background: The number of interventional cardiology (IC) procedures has increased rapidly. coronary angiography (CA) and percutaneous transluminal coronary angioplasty (PTCA) are now widely performed as a matter of routine, and they are considered safe procedures for experienced cardiologists. However, it is also known that these procedures are associated with high radiation doses due to long f...
Congenital variations and anomalies of the aortic arch are important entity in vascular imaging. Most them asymptomatic. About 30-40% presents with tracheo-oesophageal symptoms like dyspnea dysphagia. A 27 year-old female presented persistent dysphagia for 6 months duration cause was right sided aberrant left subcalvian artery from Kommerell’s diverticulum. The diagnosis made through combinatio...
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