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重症,慢性発血性心不全のためのトランスエンドカーディアル,オートログの骨髄細胞移植
Emerson C Perin1, Hans F R Dohmann, Radovan Borojevic
1Texas Heart Institute at St Luke's Episcopal Hospital, Houston, Tex, USA. eperin@crescentb.net
Circulation
|April 23, 2003
まとめ
骨髄幹細胞注射は,重度の心不全の患者にとって安全です. この治療は心臓の機能と血流を改善し,不全性心疾患の新たな治療の可能性を提示しました.
科学分野:
- 心血管医学 心血管医学
- 再生医学は,再生医療である.
- 幹細胞治療法 幹細胞治療法
背景:
- 末期性缺血性心臓病は,治療において大きな課題を提示しています.
- 血管新生, perfusion の改善,および心筋収縮性は,心不全の管理に不可欠です.
研究 の 目的:
- オトログの単核骨髄細胞のトランスエンドカルディアル注射の安全性と有効性を評価する.
- 重度の缺血性心臓病の患者における新血管化を促進し,心臓機能を改善する可能性を評価する.
主な方法:
- 21人の患者 (14人治療,7人対照) を対象とした前向き,非ランダム化,オープンラベル研究です.
- 骨髄単核細胞は,電気機械的マッピング (NOGAキャセター) によって特定された生存可能な心筋に注入されました.
- 評価には,臨床的評価,運動ストレステスト,心拍,SPECT perfusion scan,Holterモニタリングなどが含まれていました.
主要な成果:
- グループ間のベースラインの人口統計または運動変数の有意な差はありません.
- SPECT分析は,2ヶ月で可逆性欠陥の減少と全身の左心房機能の改善を示した (P=0.02).
- 4ヶ月後,治療を受けた患者は,エジェクション分数の改善 (20%から29%,P=0.003) と末期シストリックボリュームの減少 (P=0.03) を示し,注射されたセグメントの有意な機械的改善 (P<0.0005) を示した.
結論:
- 骨髄由来幹細胞の心内注射は,重度の心不全を有するヒトでは比較的安全です.
- この処置は,心筋の血流を改善し,地域的および全体的な左心室機能を向上させる可能性を示しています.
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