نتایج جستجو برای: multislice computed tomography
تعداد نتایج: 266023 فیلتر نتایج به سال:
Endocardial leads can potentially cause problems during coronary vessels visualization in multislice computed tomography (MSCT) due to a large number of artifacts. Based on presented case, we conclude that it is possible to perform MSCT of coronary arteries and leads visualization despite coexistence of four endocardial leads.
A 79-year-old woman had a primary tumor of the pulmonary artery, which was initially diagnosed as chronic pulmonary thromboembolism. Multislice angio-computed tomography showed a solid mass in the right pulmonary artery. Radical resection of the tumor was achieved by right pneumonectomy via a transsternal transpericardial approach. The patient was alive and free of disease 36 months after surgery.
Background: With faster image acquisition times and thinner slice widths, multislice detector computed tomography (MSCT) allows visualisation of human coronary arteries with diagnostic image quality. In addition to conventional axial slices, virtual coronary angioscopies (VCA) can be reconstructed using MSCT datasets. Objective: To evaluate the feasibility of reconstructing VCA and to determine...
AIMS Current improvements in spatial, temporal, and contrast resolution of multislice computed tomography (CT) could be useful in the assessment of valvular diseases. We evaluated the diagnostic accuracy of multislice CT for the identification and quantification of aortic valvular stenosis (AS), compared with echography. METHODS AND RESULTS Consecutive patients, referred for coronary CT, were...
A62-year-old man presented to our emergency room with severe retrosternal pain. An ECG showed an acute lateral myocardial infarction, and the patient was referred for cardiac catheterization. One and a half hours after the onset of acute chest pain, coronary angiography revealed a thrombotic occlusion of the intermedial branch of the left coronary artery. Mechanical recanalization of the infarc...
Although the excellent spatial resolution of multislice spiral computed tomography (MSCT) enables the coronary arteries to be visualized, its limited temporal resolution results in poor image reproducibility because of cardiac motion artifact (CMA) and hence limits its widespread clinical use. A novel retrospectively ECG-gated reconstruction method has been developed to minimize CMA. In 88 cons...
The introduction of multislice computed tomography angiography (MSCT) has provided new information for percutaneous coronary intervention (PCI), especially in complex lesions. It provides valuable adjustments about coronary lesions, which are predictors of procedural success, for example, in chronic total occlusions, in bifurcations and recently in aorto-ostial lesion PCI. In multiple fields, t...
Even with recent advances in computed tomography (CT) imaging of coronary stents, blooming is still an important limitation in the assessment of stents. Recently, the introduction of bioabsorbable radiolucent scaffolds has allowed almost unrestricted imaging of the stent lumen. A 68-year-old man with a history of coronary artery disease was admitted with non-ST-elevation myocardial infarction. ...
Coronary stenting has become the dominant therapy for patients referred for coronary revascularization. Because of their documented efficacy in reducing instent restenosis (ISR),1–3 drug-eluting stents (DES) are used for this purpose in most percutaneous revascularization procedures. Although intended primarily for use in native, de novo stenoses in coronary vessels 2.5 to 3.5 mm in diameter, D...
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