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This pilot study investigates the effect of radiology vetting on CTPA yield, revealing no significant difference.
Objective Overuse of CT Pulmonary Angiography (CTPA) remains a challenge in emergency medicine. Some institutions resort to radiologist vetting to reduce unnecessary imaging. This is a pilot study that aims to investigate the effect of radiology vetting on the CTPA yield. Methods and Results This is a retrospective study comparing CTPA yields with and without radiology vetting. The results showed that there was no statistically significant difference in CTPA diagnostic yield, 11.4% (CI 9.2–14.0) versus 10.2% (CI 6.8–14.6), p = 0.60. Conclusion This study showed that removing radiologist approval for CTPA did not appear to reduce diagnostic yield.
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Tan et al. (2026) studied this question.
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