慢性閉塞性肺疾患の機械呼吸器患者の予後に対する早期腸内栄養の影響: MIMIC- IV データベースに基づく遡及コホート研究
Lamei Ouyang1, Canmin Wang1, Yunfeng Song1
1Department of Critical Care Medicine, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, Guangdong, China.
Frontiers in nutrition
|August 29, 2025
まとめ
早期の腸内栄養 (EN) は,機械呼吸器を用いたCOPD患者の死亡率を低下させなかったが,呼吸器と入院期間を短縮させた. 酸素供給が良くなった患者の中には,早期のEN治療で生存率が改善された患者もいました.
科学分野:
- クリティカル ケア 医療
- 肺科
- 栄養補助
背景:
- 早期の腸内栄養 (EN) は,重症患者のために推奨されます.
- 慢性閉塞性肺疾患 (COPD) の患者に対する早期のENの影響はよく定義されていません.
研究 の 目的:
- 機械呼吸器を用いたCOPD患者の臨床結果に対する早期のEN開始の効果を調査する.
- 早期のEN (48時間以内) と遅いEN (48時間以内) のグループ間の結果を比較する.
主な方法:
- MIMIC-IV 3.0データベースからのデータ分析
- 侵襲的な機械呼吸器を必要とするCOPD患者を含む.
- 早期および遅れたENグループ間のベースライン特性をバランスさせるための傾向スコアマッチング (PSM).
主要な成果:
- 28日,ICU,または60日間の死亡率は,早期と遅れたENグループ間で有意な違いはありません.
- 呼吸器関連肺炎 (VAP) の発生率は有意な差異はありません.
- 早期のENは,メカニカル換気期間が短く,ICU滞在時間が短く,全般的な入院時間が短くなりました.
結論:
- 早期のENは,機械呼吸器を用いたCOPD患者の全体的な死亡率を有意に改善しませんでした.
- 早期のENは,換気期間と入院期間を短縮する利点を示しました.
- PaO2/ FiO2 > 200 の患者で,早期のENの潜在的生存効果を示唆したサブグループ分析は,調整された栄養戦略が有益である可能性があることを示唆しています.
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