ArticleDiagnostic and interventional radiology (Ankara, Turkey)2025
Evaluating small coronary stents with dual-source photon-counting computed tomography: effect of different scan modes on image quality and performance in a phantom.
Article in Diagnostic and interventional radiology (Ankara, Turkey), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- In vivo coronary stent evaluation using photon-counting computed tomography: diagnostic performance.European radiology · 2026Article
- Photon-Counting CT in Cardiovascular Imaging: Clinical Applications.Korean journal of radiology · 2026Review
- Assessing beam hardening artifacts in coronary stent imaging using different CT acquisition parameters on photon-counting detector computed tomography.The international journal of cardiovascular imaging · 2026Article
- Spectral ultrahigh-resolution photon-counting CT for coronary stent imaging: evaluation in a dynamic phantom.European radiology experimental · 2025Article
- Multilayer and crushed stent visualization using photon- counting detector computed tomography - a proof of concept.Scientific reports · 2025Article
- Revolutionizing cardiac imaging: how photon-counting computed tomography is redefining coronary artery stent assessmentDiagnostic and interventional radiology (Ankara, Turkey) · 2025Article
- Value of Ultrahigh-Resolution Photon-Counting Detector Computed Tomography in Cardiac Imaging.Echocardiography (Mount Kisco, N.Y.) · 2025Review
- Successful pharmaco-mechanical treatment of a subtotally occluded venous bypass graft in a patient presenting with acute coronary syndrome: a case report and review of the current literature on the role of local thrombolysis.Frontiers in cardiovascular medicine · 2025Article
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Authors and funding
13 authors.
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Abstract
purposeThe study aimed to assess the feasibility and image quality of dual-source photon-counting detector computed tomography (PCD-CT) in evaluating small-sized coronary artery stents with respect to different acquisition modes in a phantom model.
methodsUtilizing a phantom setup mimicking the average patient's water-equivalent diameter, we examined six distinct coronary stents inflated in a silicon tube, with stent sizes ranging from 2.0 to 3.5 mm, applying four different CT acquisition modes of a dual-source PCD-CT scanner: "high-pitch," "sequential," "spiral" (each with collimation of 144 × 0.4 mm and full spectral information), and "ultra-high-resolution (UHR)" (collimation of 120 × 0.2 mm and no spectral information). Image quality and diagnostic confidence were assessed using subjective measures, including a 4-point visual grading scale (4 = excellent; 1 = non-diagnostic) utilized by two independent radiologists, and objective measures, including the full width at half maximum (FWHM).
resultsA total of 24 scans were acquired, and all were included in the analysis. Among all CT acquisition modes, the highest image quality was obtained for the UHR mode [median score: 4 (interquartile range (IQR): 3.67-4.00)] (
conclusionAssessing small-sized coronary stents using PCD-CT technology is feasible. The UHR mode offers superior image quality and diagnostic confidence, while all modes show consistent and accurate measurements. CLINICAL SIGNIFICANCE: These findings highlight the potential of PCD-CT technology, particularly the UHR mode, to enhance non-invasive coronary stent evaluation. Confirmatory research is necessary to influence the guidelines, which recommend cardiac CT only for stents of 3 mm or larger.
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