要旨　近年，体幹部外傷による出血性ショックに対してIABOが広く利用されている。出血性ショックの成人外傷患者にIABOを用いて長距離搬送が行われた報告はあるが，小児患者での報告は限られる。本症例は，11歳女児が軽乗用車にはねられ受傷し，当院から約60km離れた前医へ搬送された。搬送時よりショック状態で，造影CTで肝損傷を認め，止血処置目的に当院へヘリ搬送の方針となった。前医でIABOが留置され，バルーン遮断された状態で搬送された。当院搬送後に開腹止血術と経カテーテル動脈塞栓術が施行された。術後は一時的な肝腎機能悪化が見られたが，その後は改善し，近隣病院へ転院後に自宅退院した。重症腹部外傷の小児患者に対して，IABOを用いた転院搬送を行うことで救命へとつなげることができた。また，小児での報告例は限られており，エビデンス構築のためにも今後さらなる議論が必要である。

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