臨床整形外科53巻12号

2018年12月発行

誌上シンポジウム 外傷における人工骨の臨床

RIA産物と人工骨の混合移植による骨欠損の再建

著者： 新倉隆宏¹ 大江啓介¹ 福井友章¹ 黒田良祐¹

所属機関： ¹神戸大学大学院医学研究科外科系講座整形外科学

ページ範囲：P.1087 - P.1093

　Masquelet法による感染巣切除後，外傷後の骨欠損再建では相当量の移植骨が必要となる．Reamer irrigator aspirator(RIA)は大腿骨髄内から多量の自家骨採取が可能であり，この用途に有用であると考えている．ただし骨欠損が大きくなるとRIA産物や腸骨海綿骨の移植だけでは量的に不足する．日本では欧米ほど手軽に同種骨移植が行いにくいため，人工骨の併用がよく行われている．筆者らの症例では38.7％で人工骨を自家骨と併用した．最適な人工骨の種類，形態と大きさ，気孔率，混合比率などが今後の研究課題である．

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