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AIM: To determine whether focussed radiology training in reporting stroke computed tomography angiography (CTA) improved diagnostic performance of general radiology specialty trainees staffing regional on call rotas. MATERIALS AND METHODS: A validated case archive (VCA) consisting of 50 hyperacute stroke CTA cases was developed for a full day course on CTA interpretation. Training days were organised ensuring all local trainees had a chance to attend. The rate of major and minor amendments by neuroradiology consultants were reviewed in 252 on-call radiology trainee reports. RESULTS: Before training, radiology trainees had a total discrepancy (reporting error) rate of 37%: 12% major, 25% minor. Following CTA training, the total discrepancy rate was not significantly reduced (34%) but there was a substantial reduction in major discrepancies to 4% (p=0.037; odds ratio=3.30, 95% confidence interval [CI]: 1.08 to 10.12). CONCLUSION: An intensive training course based on a hyperacute stroke VCA significantly reduced major discrepancies in stroke CTA interpretation for radiology trainees. The ability of radiology trainees to recognise large vessel occlusions and other significant findings improved.

Original publication




Journal article


Clin Radiol

Publication Date





871 - 877


Clinical Competence, Computed Tomography Angiography, Humans, Internship and Residency, Radiologists, Radiology, Stroke