Results 61 to 70 of about 86,215 (205)

Case report: Acute ST-elevation myocardial infarction and cardiogenic shock caused by a giant right sinus of Valsalva aneurysm and right coronary artery compression

open access: yesFrontiers in Cardiovascular Medicine, 2022
A sinus of Valsalva aneurysm (SVA) is a rare aortic disease that may be congenital or acquired. Patients with an intact SVA are usually asymptomatic, whereas a ruptured SVA may cause acute chest pain and dyspnea.
Lianyue Ma   +8 more
doaj   +1 more source

CT Coronary Angiography with 100kV tube voltage and a low noise reconstruction filter in non-obese patients: evaluation of radiation dose and diagnostic quality of 2D and 3D image reconstructions using open source software (OsiriX) [PDF]

open access: yes, 2012
INTRODUCTION AND PURPOSE. Computed tomography coronary angiography (CTCA) has seen a dramatic evolution in the last decade owing to the availability of multislice CT scanners with 64 detector rows and beyond.
FAGGIONI, LORENZO
core  

Inter-observer agreement of the Coronary Artery Disease Reporting and Data System (CAD-RADS^{TM}) in patients with stable chest pain [PDF]

open access: yes, 2018
Purpose: To assess inter-observer variability of the Coronary Artery Disease - Reporting and Data System (CAD-RADS) for classifying the degree of coronary artery stenosis in patients with stable chest pain.
Abdel Razek, Ahmed Abdel Khalek   +3 more
core   +1 more source

A multinomial quadrivariate D-vine copula mixed model for meta-analysis of diagnostic studies in the presence of non-evaluable subjects [PDF]

open access: yes, 2020
Diagnostic test accuracy studies observe the result of a gold standard procedure that defines the presence or absence of a disease and the result of a diagnostic test.
Aristidis K Nikoloulopoulos   +4 more
core   +2 more sources

Sex Differences in Computed Tomography Coronary Stenosis Severity Versus Flow Impairment and Impact on Revascularization, Clinical Events and Health Care Costs: A FORECAST Substudy

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background The impact of sex‐related differences in coronary atheroma and flow impairment severity on clinical events and costs remains unclear. Methods and Results This is a secondary analysis of patients with stable coronary artery disease who ...
Lavinia Gabara   +8 more
doaj   +1 more source

Evaluation of Motion Artifact Metrics for Coronary CT Angiography [PDF]

open access: yes, 2018
Purpose This study quantified the performance of coronary artery motion artifact metrics relative to human observer ratings. Motion artifact metrics have been used as part of motion correction and best‐phase selection algorithms for Coronary Computed ...
Contijoch   +19 more
core   +2 more sources

Evaluation of coronary stents using mult

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine, 2016
Background: Recurrent ischemic symptoms after coronary stenting require imaging assessment to rule-out in-stent restenosis or occlusion. Aim: To evaluate role of multi-detector computed tomography in assessment of coronary artery stents.
Mahmoud A. Dawoud   +3 more
doaj   +1 more source

Comorbidities Associated with Large Abdominal Aortic Aneurysms [PDF]

open access: yes, 2019
BACKGROUND: Abdominal aortic aneurysm has become increasingly important owing to demographic changes. Some other diseases, for example, cholecystolithiasis, chronic obstructive pulmonary disease, and hernias, seem to co-occur with abdominal aortic ...
Althoff, Christian E.   +6 more
core   +1 more source

Ability of FFR-CT to detect the absence of hemodynamically significant lesions in patients with high-risk NSTE-ACS admitted in the emergency department with chest pain, study design and rationale

open access: yesInternational Journal of Cardiology: Heart & Vasculature, 2020
Background: In the era of High-sensitive troponin (hs-Tn), up to 50% of patients with a mild increase of hs-Tn will finally have a normal invasive coronary angiogram.
David Meier   +8 more
doaj   +1 more source

Determination of predictors of successful recanalization of the chronic occlusions of coronary arteries by means of CT-coronarography method [PDF]

open access: yesТерапевтический архив, 2018
The review illuminated actual issues of the diagnostic efficiency of computed tomography (CT) of the coronary arteries in the planning of the procedure percutaneous coronary intervention (PCI) in patients with chronic occlusion of coronary arteries (CTO).
T N Veselova   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy