Meta-Analysis of AI-Driven Ultra-Low-Dose Coronary CTA: Comparable Quality, 80% Lower Radiation

AI-based denoising in coronary CTA can reduce radiation dose by 80% while maintaining comparable image quality to standard-dose exams, though objective image noise was higher. The ultra-low-dose protocol averaged 0.96 mSv.

• Meta-analysis of 852 patients from 12 studies comparing AI-denoised ultra-low-dose coronary CTA with standard-dose CTA.
• Subjective image quality scores did not significantly differ between ultra-low-dose and standard-dose protocols.
• Ultra-low-dose protocol showed significantly higher objective image noise (exact figure not reported in source).

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