SUCCESSFUL ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION BY REMOVAL OF DONOR PLASMA FROM BONE MARROW IN A NON-IGA-DEFICIENT PATIENT WITH ANTI-IGA ANTIBODIES

نویسندگان

چکیده

IgA欠損患者に対する血液製剤の使用に際しては,IgAを含まない製剤の使用が推奨されているが,抗IgA抗体を有するIgA非欠損患者に対する輸血実施の対応は確立されていない.今回我々は,抗IgA抗体を有するIgA非欠損例において,洗浄血小板製剤の使用と骨髄濃縮により非血縁者間同種造血幹細胞移植を重篤な有害事象なく施行し得た1例を経験した.症例は48歳男性,基礎疾患は原発性骨髄線維症で,アレルギー・輸血・手術歴はない.初回輸血から9日後の血小板輸血中にアナフィラキシーが出現した.IgA欠損はなかったが,初回輸血前検体でIgG型抗IgA抗体を認め,抗体獲得機序は不明であった.洗浄血小板製剤に切り替えて対応し,有害事象なく経過した.また,ABO血液型一致非血縁者間同種移植であったが,輸注前に骨髄濃縮を実施することで輸注関連有害事象を認めることなく施行できた.移植後はドナー型造血となり,抗IgA抗体価の経時的な減少も認めた.抗IgA抗体保有IgA非欠損例においても,安全に移植を行うため,移植片の骨髄濃縮と洗浄血液製剤の使用が有用であると考える.

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ژورنال

عنوان ژورنال: Nihon yuketsu saibo chiryo gakkaishi

سال: 2022

ISSN: ['1881-3011', '1883-0625']

DOI: https://doi.org/10.3925/jjtc.68.491