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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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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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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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Related Experiment Video

Updated: Mar 6, 2026

Author Spotlight: Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
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Clot Imaging in Large Vessel Occlusion Strokes.

Johnny H Wong1, Michael P Marks

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|March 10, 2017
PubMed
Summary

Mechanical thrombectomy improves outcomes in acute stroke. Clot imaging guides patient selection and predicts treatment efficacy for large vessel occlusions, enhancing reperfusion and functional recovery.

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Area of Science:

  • Neurology
  • Interventional Radiology
  • Medical Imaging

Background:

  • Mechanical thrombectomy has advanced acute stroke treatment, improving recanalization and functional outcomes.
  • Randomized trials show mechanical thrombectomy is superior to thrombolysis for acute stroke.
  • Improved patient selection for endovascular therapy relies on pre-procedural imaging.

Purpose of the Study:

  • To review the role of clot imaging in acute large vessel occlusion (LVO) strokes.
  • To discuss how clot imaging influences thrombolytic and endovascular therapy.
  • To evaluate imaging characteristics of clots and their predictive value for treatment efficacy.

Main Methods:

  • Review of recent randomized trials and literature on mechanical thrombectomy and thrombolysis.
  • Analysis of pre-procedural imaging techniques used in acute stroke assessment.
  • Evaluation of imaging markers for clot characteristics (location, length, density, susceptibility).

Main Results:

  • Pre-procedural imaging provides crucial information on clot characteristics.
  • Clot imaging can predict the efficacy of both intravenous and endovascular treatments.
  • Stricter patient selection based on imaging improves endovascular therapy outcomes.

Conclusions:

  • Clot imaging is essential for optimizing patient selection in acute LVO stroke.
  • Imaging-based clot assessment guides therapeutic decisions and predicts treatment success.
  • Further research into clot imaging can enhance mechanical thrombectomy and thrombolysis efficacy.