Results 41 to 50 of about 1,046,330 (152)

Non-invasive assessment of coronary artery bypass graft patency using 16-slice computed tomography angiography

Journal of Cardiothoracic Surgery, 2007
Background Invasive coronary angiography is the gold standard means of imaging bypass vessels and carries a small but potentially serious risk of local vascular complications, including myocardial infarction, stroke and death.
Uren Neal G, Sengupta Anshuman, Lawton Tristan, Houslay Emma S, McKillop Graham, Newby David E   +5 more
doaj   +1 more source

Abdominal aorta morphometric study for endovascular treatment of aortic aneurysms: comparison between spiral CT and angiography [PDF]

Brazilian Journal of Cardiovascular Surgery, 2002
PURPOSE: To compare the computed tomography and angiography study of abdominal aortic aneurysms for posterior endograft implant. METHOD: From June 1997 to March 2001, 113 patients with abdominal aortic aneurysm were submitted to study of the aorto-iliac ...
Gaudencio Espinosa, Edson Marchiori, Adalberto Pereira de Araújo, Mônica Ferreira Caramalho, Pedro Barzola   +4 more
doaj   +1 more source

External Validation of Atherosclerotic Neuroimaging Biomarkers in Emergent Large‐Vessel Occlusion

Stroke: Vascular and Interventional Neurology, 2023
Background Intracranial atherosclerosis related large vessel occlusion (ICAS‐LVO) is the major cause of failed mechanical thrombectomy. ICAS‐LVO causes reocclusion or a fixed focal stenosis, leading to suboptimal revascularization and poor functional ...
Fazeel M. Siddiqui, Jeffrey J. Fletcher, Andrew V. Barnes, Alayna N. Henry, Augusto E. Elias, Gary Rajah, Alexis Carroll PA‐C, Sudeepta Dandapat, Kiddy L. Ume, Mudassir Farooqui, Aaron Rodriguez‐Calienes, Aditya S. Pandey, Santiago Ortega‐Gutierrez   +12 more
doaj   +1 more source

Computed Tomography Coronary Angiography

Journal of the American College of Cardiology, 2006
Recent developments in computed tomography technology have made imaging of the coronary arteries possible. All the same, the rapid motion and small dimensions of the coronary vessels make coronary computed tomography angiography (coronary CTA) challenging.
openaire   +2 more sources

Computed tomography-osteoaboorptiometry [PDF]

, 1990
A method of making a visual display of subchondral mineralization in the major synovial joints is described. Unlike existing procedures, it can be used on the living subject. A modified application of computed tomography-densitometry, computed tomography-
Müller-Gerbl, Magdalena, Wimmer, Berthold, Hodapp, Norbert, Putz, Reinhard, Schulte, Erik   +4 more
core   +1 more source

Early computed tomography coronary angiography in adults presenting with suspected acute coronary syndrome: the RAPID-CTCA RCT

Health Technology Assessment, 2022
Background: Acute coronary syndrome is a common medical emergency. The optimal strategy to investigate patients who are at intermediate risk of acute coronary syndrome has not been fully determined.
Alasdair J Gray, Carl Roobottom, Jason E Smith, Steve Goodacre, Katherine Oatey, Rachel O’Brien, Robert F Storey, Nick Curzen, Liza Keating, Attila Kardos, Dirk Felmeden, Robert J Lee, Praveen Thokala, Steff C Lewis, David E Newby   +14 more
doaj   +1 more source

An experimental survey of metal artefact reduction in computed tomography [PDF]

, 2013
We present a survey of techniques for the reduction of streaking artefacts caused by metallic objects in X-ray Computed Tomography (CT) images. A comprehensive review of the existing state-of- the-art Metal Artefact Reduction (MAR) techniques, drawn ...
Van Slambrouck, Katrien, Nuyts, Johan, Breckon, Toby P., Van Slambrouck, K., Breckon, T.P., Megherbi, N., Megherbi Bouallagui, Najla, Mouton, Andre, Nuyts, J., Mouton, A.   +9 more
core   +1 more source

Double Rule In

JACC: Case Reports, 2019
Computed tomography angiography is frequently used for double rule out of obstructive coronary artery disease and pulmonary embolism in patients presenting to the emergency department with acute chest pain, but it is rare to see concomitant acute ...
Valmiki Maharaj, MD, Pratik S. Velangi, MBBS, Kurt Prins, MD, PhD, Pal Satyajit Singh Athwal, MBBS, Prabhjot S. Nijjar, MD   +4 more
doaj   +1 more source

Subarachnoid Hemorrhage after Surgery of the Medulla Oblongata Hemangioblastoma: A Case Report

Brain Science Advances, 2016
Objectives To discuss the bleeding mechanisms after removing a medulla oblongata hemangioblastoma. Methods A 42-year-old male patient was diagnosed with a medulla oblongata hemangioblastoma.
Xiang Yang, Yuekang Zhang, Xuesong Liu, Maojun Chen   +3 more
doaj   +1 more source

Individual patient data meta-analysis for the clinical assessment of coronary computed tomography angiography: protocol of the Collaborative Meta-Analysis of Cardiac CT (CoMe-CCT)

Systematic Reviews, 2013
Background Coronary computed tomography angiography has become the foremost noninvasive imaging modality of the coronary arteries and is used as an alternative to the reference standard, conventional coronary angiography, for direct visualization and ...
Schuetz Georg M, Schlattmann Peter, Achenbach Stephan, Budoff Matthew, Garcia Mario J, Roehle Robert, Pontone Gianluca, Meijboom Willem Bob, Andreini Daniele, Alkadhi Hatem, Honoris Lily, Bettencourt Nuno, Hausleiter Jörg, Leschka Sebastian, Gerber Bernhard L, Meijs Matthijs FL, Shabestari Abbas Arjmand, Sato Akira, Zimmermann Elke, Schoepf Uwe J, Diederichsen Axel, Halon David A, Mendoza-Rodriguez Vladimir, Hamdan Ashraf, Nørgaard Bjarne L, Brodoefel Harald, Øvrehus Kristian A, Jenkins Shona MM, Halvorsen Bjørn A, Rixe Johannes, Sheikh Mehraj, Langer Christoph, Martuscelli Eugenio, Romagnoli Andrea, Scholte Arthur JHA, Marcus Roy P, Ulimoen Geir R, Nieman Koen, Mickley Hans, Nikolaou Konstantin, Tardif Jean-Claude, Johnson Thorsten RC, Muraglia Simone, Chow Benjamin JW, Maintz David, Laule Michael, Dewey Marc   +46 more
doaj   +1 more source