Results 11 to 20 of about 939,480 (252)

Systematic review of the clinical effectiveness and cost-effectiveness of 64-slice or higher computed tomography angiography as an alternative to invasive coronary angiography in the investigation of coronary artery disease [PDF]

, 2008
Objectives: To assess the clinical effectiveness and cost-effectiveness, in different patient groups, of the use of 64-slice or higher computed tomography (CT) angiography, instead of invasive coronary angiography (CA), for diagnosing people with ...
Cummins, E., Fraser, Cynthia Mary, N Waugh, Cook, J., Cook, Jonathan Alistair, Fraser, C., S Walker, Cummins, E. (Ewen), E Cummins, Mowatt, G., Walker, S., Jia, Xueli, Waugh, Norman, C Fraser, G Mowatt, G Hillis, J Cook, Jian, X., Hillis, Graham S., X Jia, Waugh, N., Mowatt, Graham   +21 more
core   +3 more sources

Motion binning in cone-beam CT without a prior Model [PDF]

, 2010
Cone-beam CT (CBCT), used to reduce setup error in radiotherapy, takes a sequence of about 670 two-dimensional X-rays acquired in a circular arc around the patient over two minutes and reconstructs a three-dimensional volume from these projections ...
Petrie, Tracy
core   +6 more sources

Diagnostic performance of coronary CT angiography for stenosis detection according to calcium score: systematic review and meta-analysis [PDF]

, 2012
OBJECTIVES: A systematic review and meta-analysis to assess sensitivity and specificity of coronary CT angiography (CCTA) for significant stenosis at different degrees of coronary calcification.
den Dekker, M.A.M., Vliegenthart, R., Oudkerk, M., de Bock, G.H.; id_orcid, Tio, R.A., Oudkerk, M.; id_orcid, de Smet, K., den Dekker, M.A., de Bock, G.H., den Dekker, Martijn   +9 more
core   +1 more source

Extent of hypoattenuation on CT angiography source images in Basilar Artery occlusion: prognostic value in the Basilar Artery International Cooperation Study [PDF]

, 2011
<p><b>Background and Purpose:</b> The posterior circulation Acute Stroke Prognosis Early CT Score (pc-ASPECTS) quantifies the extent of early ischemic changes in the posterior circulation with a 10-point grading system.
Christine A.C. Wijman, Thomas Pfefferkorn, Engelter, Stefan T, Mattle, H.P., Mattle, Heinrich P., Basilar Artery International Cooperation Study Group,, Khomenko, A., Ale Algra, Hill, M.D., Demchuk, Andrew M, Dzialowski, I., Szabo, K., L. Jaap Kappelle, Szabo, Kristina, Algra, Ale, Wijman, Christine A. C., Wouter J. Schonewille, von Kummer, Ruediger, Stefan T. Engelter, Andrei Khomenko, Andrew M. Demchuk, Kristina Szabo, Demchuk, Andrew M., Puetz, V., Hill, Michael D, Tanne, David, Pfefferkorn, Thomas, Weimar, C., Schonewille, W.J., Demchuk, A.M., Mattle, Heinrich P, Kappelle, L Jaap, Patrik Michel, Muir, Keith W., Michael D. Hill, Wijman, C.A.C., Engelter, S.T., Volker Puetz, von Kummer, R., Weimar, Christian, Puetz, Volker, Dzialowski, Imanuel, Algra, A., Keith W. Muir, Tanne, D., Muir, Keith W, Kappelle, L.J., Michel, Patrik, Schonewille, Wouter J, Basilar Artery International Cooperation Study (BASICS) Group,, Wijman, Christine A C, Muir, K.W., Imanuel Dzialowski, Christian Weimar, Schonewille, Wouter J., Heinrich P. Mattle, Khomenko, Andrei, Kappelle, L. Jaap, Engelter, Stefan T., Pfefferkorn, T., David Tanne, Michel, P., Ruediger von Kummer, Hill, Michael D., Wijman, C.A.   +64 more
core   +1 more source

Segmental Comparison of Peripheral Arteries by Doppler Ultrasound and CT Angiography [PDF]

Journal of Clinical and Diagnostic Research, 2016
Introduction: Diseases of peripheral arterial system are one of the common causes of limb pain, especially in elderly patients. Here we analyse non invasive imaging of peripheral arterial segments.
Prem Kumar Chidambaram, Ram Kumar Swaminathan, Prakash Ganesan, Manibharathi Mayavan   +3 more
doaj   +1 more source

Real-world approach to comprehensive artificial intelligence-aided CT evaluation of coronary artery disease in 530 patients: A retrospective study

Heliyon, 2023
Purpose: Recent guidelines provide broader support for the use of less invasive imaging modalities for the evaluation of patients with stable chest pain.
Himanshu Gupta, Basil Spanopoulous, Edward Lubat, Glenn Krinsky, John Rutledge, Jacqueline H. Fortier, Juan Grau, Rajiv Tayal   +7 more
doaj   +1 more source

Volumetric accuracy of different imaging modalities in acute intracerebral hemorrhage

BMC Medical Imaging, 2022
Background Follow-up imaging in intracerebral hemorrhage is not standardized and radiologists rely on different imaging modalities to determine hematoma growth.
Frieder Schlunk, Johannes Kuthe, Peter Harmel, Heinrich Audebert, Uta Hanning, Georg Bohner, Michael Scheel, Justus Kleine, Jawed Nawabi   +8 more
doaj   +1 more source

Computed tomography perfusion and computed tomography angiography for prediction of clinical outcomes in ischemic stroke patients after thrombolysis

Neural Regeneration Research, 2017
Cerebral blood perfusion and cerebrovascular lesions are important factors that can affect the therapeutic efficacy of thrombolysis. At present, the majority of studies focus on assessing the accuracy of lesion location using imaging methods before ...
Jia-wei Pan, Xiang-rong Yu, Shu-yi Zhou, Jian-hong Wang, Jun Zhang, Dao-ying Geng, Tian-yu Zhang, Xin Cheng, Yi-feng Ling, Qiang Dong   +9 more
doaj   +1 more source

Comparative cost-effectiveness analyses of cardiovascular magnetic resonance and coronary angiography combined with fractional flow reserve for the diagnosis of coronary artery disease. [PDF]

, 2014
According to recent guidelines, patients with coronary artery disease (CAD) should undergo revascularization if significant myocardial ischemia is present.
Pilz, G., Steffen E Petersen, Pilz, G, Petersen, SE, Wasserfallen, J-B, Guenter Pilz, Petersen, S.E., Favre, David, Petersen, Steffen E., Anja Wagner, Schwitter, J.J., Pinget, C, Favre, D., Wagner, A, Wagner, A., Jean-Blaise Wasserfallen, Karine Moschetti, Moschetti, K., Moschetti, Karine, Wasserfallen, JB, Schwitter, J, Schwitter, Juerg, Wasserfallen, Jean-Blaise, David Favre, Schwitter, JJ, Christophe Pinget, Pinget, Christophe, Wasserfallen, J.B., Pilz, Guenter, Pinget, C., Wagner, Anja, Juerg J Schwitter, Moschetti, K, Favre, D   +33 more
core   +1 more source

The Role of CT-Angiography in the Acute Gastrointestinal Bleeding [PDF]

Zagazig University Medical Journal
Background: CT angiography (CTA), a minimally invasive diagnostic technique, has become popular for looking into acute gastrointestinal hemorrhages. Aim of the study: this study aimed to evaluate the validity of Computed tomography angiography (CTA) for ...
Sameh Bayoumi, Ahmed Abo Alezz, Amna Abdlsed, Reham Ali shabaan   +3 more
doaj   +1 more source