Angio-CT vs CBCT: Similar total radiation dose for liver embolization procedures

Angio-CT for intra-arterial liver procedures does not increase total radiation exposure vs CBCT (corrected p=0.053), even though 3D dose was significantly lower (9.85 vs 39.9 mSv).

• After correction for uncertainty, total procedural effective dose did not differ significantly between angio-CT and CBCT groups (corrected p=0.053).
• Three-dimensional dose was significantly lower with angio-CT (median 9.85 mSv vs 39.9 mSv, p<0.001), a 4.1-fold reduction.

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