Advanced reconstruction enables 5–94% dose reduction in pediatric chest/abdominal CT, systematic review finds

Narrative systematic review of 14 studies: dose reductions of 5–94% with low-kVp/mAs and iterative/deep-learning reconstruction in pediatric chest/abdominal CT, maintaining diagnostic quality (meta-analysis not feasible due to heterogeneity).

• Systematic review of 14 studies (2010-2025) covering low-dose acquisition strategies and IR/DLIR in patients ≤18 years.
• Advanced reconstruction techniques (IR, DLIR) preserved both objective and subjective image quality across the dose-reduction range.
• High heterogeneity in protocols and endpoints prevented pooled quantitative analysis; risk of bias assessed with ROBINS-I.

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