Advances in CT Angiography and Perfusion
A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Radiobiology and Nuclear Medicine".
Deadline for manuscript submissions: 30 June 2025 | Viewed by 172
Special Issue Editor
Interests: imaging of vascular diseases; CT angiography; CT perfusion; neurovascular diseases; acute ischemic stroke; brain death diagnosis
Special Issue Information
Dear Colleagues,
CT angiography and CT perfusion are not new imaging techniques. CT angiography, in particular, has been widely used in the diagnosis of vascular diseases for many years. However, recently, major advances in both modalities have been observed, triggered mainly by the introduction of mechanical thrombectomy in the treatment of acute ischemic stroke (AIS). This has created a need for the rapid and accurate analysis of CT angiography and CT perfusion, to provide the information required for the selection of stroke patients for endovascular therapy. Recent studies have shown that useful tools in this clinical situation include software packages based on artificial intelligence (AI). Currently, there are several commonly used AI-based applications that support radiologists in the analysis of CT angiography and CT perfusion, providing comprehensive data for making treatment decision in AIS patients. Besides key features, such as calculating ASPECTS scores, the detection and localization of arterial occlusion, and calculating the core and penumbra volumes within one minute or less, AI-based applications are capable of assessing collateral circulation, an important predictive factor in AIS. AI algorithms evaluate collaterals using reconstructions of vessels through raw data from CT perfusion series. This technique is superior to conventional single-phase CT angiography because it detects contrast filling in collateral vessels, irrespective of the time delay. In the future, dynamic or 4D CT angiography may be used not only in AIS but also in other applications. Although the main scope of this Special Issue is the application of CT angiography and CT perfusion in AIS diagnosis, all authors with novel research results regarding these imaging techniques are encouraged to submit their work.
Dr. Marcin Sawicki
Guest Editor
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Keywords
- CT angiography
- CT perfusion
- artificial intelligence
- dynamic CT angiography
- 4D CT angiography
- acute ischemic stroke
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