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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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CT imaging selection in acute stroke.

Laurie Bouchez1, Roman Sztajzel1, Maria Isabel Vargas1

  • 1Division of Diagnostic and Interventional Neuroradiology, Geneva University Hospitals and Medical School, 1211, Geneva, Switzerland.

European Journal of Radiology
|March 10, 2017
PubMed
Summary
This summary is machine-generated.

Computed tomography (CT) is crucial for diagnosing acute stroke, identifying clots and ischemia. Advanced CT techniques improve treatment selection and patient outcomes by assessing tissue viability and blood flow.

Keywords:
Computed tomographyImagingStrokeThrombectomy

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Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Acute stroke management has advanced significantly with thrombolysis and thrombectomy.
  • Computed tomography (CT) is the primary diagnostic tool for acute stroke.
  • CT aids in differentiating hemorrhagic stroke from ischemic stroke and detecting early ischemic changes.

Purpose of the Study:

  • To highlight the evolving role of CT in acute stroke diagnosis and management.
  • To emphasize how advanced CT techniques enhance treatment decisions.
  • To demonstrate CT's utility in improving patient triage and outcomes.

Main Methods:

  • Utilizing standard CT for hemorrhage exclusion and ischemia detection.
  • Employing CT angiography (angio-CT) for clot localization.
  • Implementing CT perfusion for hemodynamic assessment and tissue viability.
  • Exploring newer CT techniques like dual-energy and late-phase CT for collateral flow and hemorrhagic transformation.

Main Results:

  • CT reliably detects early signs of ischemia, including clots and changes in water concentration.
  • Angio-CT and perfusion CT provide critical information on clot location, hemodynamics, and tissue viability.
  • Advanced CT methods offer insights into collateral circulation and early hemorrhagic transformation.
  • CT facilitates accurate patient triage and selection for revascularization therapies.

Conclusions:

  • CT techniques are indispensable for rapid and accurate diagnosis in acute stroke.
  • Optimized use of diverse CT modalities improves patient selection for revascularization.
  • Enhanced CT assessment leads to better clinical outcomes in acute stroke patients.