セレニウム欠乏による二次性心筋病:多次元的な心臓の評価と治療
Yuya Fujita1, Ayako Chida-Nagai2, Naoyuki Shibukawa1
1Department of Pediatrics, Hokkaido University, Sapporo, Hokkaido, Japan; Department of Pediatrics, Self Defense Forces Sapporo Hospital, Sapporo, Hokkaido, Japan.
JACC. Case reports
|August 22, 2025
まとめ
セレニウム欠乏症は,特に長期にわたって腸内栄養を受けている患者で,心筋病を引き起こす可能性があります. 迅速なセレニウム補給と心不全治療により 心臓の機能が回復します
科学分野:
- 心臓病科
- 栄養学
- 小児科
背景:
- セレニウム欠乏症は心筋病の危険因子として知られていますが,そのメカニズムは完全に理解されていません.
- セレニウムなどの微量栄養素の欠乏につながる可能性があります.
研究 の 目的:
- 小児患者のセレニウム欠乏による心筋病の症例を記述する.
- この状態における心筋スシンチグラフィの診断的有用性を調査する.
- セレニウム補給と標準的な心不全治療の有効性を評価する.
主な方法:
- 胃腸アレルギーと心筋疾患の 2歳の男の子の症例報告
- 心臓機能の評価,血清セレニウム濃度,心筋スシンチグラフィー
- セレニウムサプリメントと 心不全薬による治療でした
主要な成果:
- 左心室の機能が低下し,心室が拡張した.
- 血清セレニウム濃度が検出できず,心筋スシンチグラフィーでは,輸血と代謝の不一致と線維症が示されました.
- セレニウムサプリメントと心不全管理の1年後に心機能が著しく改善しました.
結論:
- ミオカルディアスシンチグラフィは,セレニウム欠乏性心筋病の診断に有用なツールであり,特徴的な輸血代謝不均衡を示している.
- セレニウム補給は この状態の治療に不可欠です
- セレニウムとの併用治療と標準的な心不全疾患の治療により,心臓の機能が効果的に回復しました.
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