長期のカリウムモニタリングと心不全と死亡リスクの動態
Julio Núñez1,2, Antoni Bayés-Genís2,3, Faiez Zannad4
1Cardiology Department, Hosfpital Clínico Universitario de Valencia, INCLIVA. Departamento de Medicina, Universitat de València, Spain (J.N., E.N., V.B., G.M., E.S., F.J.C., A.M., J.S.) yulnunez@gmail.com.
Circulation
|October 14, 2017
まとめ
心不全患者の血清カリウムの長期モニタリングは,低いレベルと高いレベルの両方が死亡リスクを増加させることを明らかにします. 正常なカリウム濃度を保つことは より良い結果と 死亡率の減少に不可欠です
科学分野:
- 心臓病科
- 臨床研究
- 生物医学
背景:
- 心不全 (HF) の長期的なカリウムモニタリングの予後的意義は完全に理解されていません.
- 以前の研究では,HF患者の死亡率に対するカリウム動態の影響を包括的に特徴づけることができなかった.
研究 の 目的:
- 長期追跡中の血清カリウム濃度と,急性心不全歴の患者の全因死亡率との関連を調査する.
- 心不全の管理における静的および動的血清カリウム測定の予後値を決定する.
主な方法:
- 急性心不全入院後に退院した2,164人の前向きなコホート研究.
- 追跡調査で血清のカリウム濃度が体系的に測定されました.
- カリウムと死亡率の関連性を評価するために,時間依存の多変数回帰モデルを使用した.
主要な成果:
- 血清カリウム濃度と死亡率の間のU型関連が観察され,低カリウム (<3. 5mEq/ L) と高カリウム (> 5mEq/ L) の両極端でリスクが増加したことを示した.
- 低血量症と高血量症の調整された危険比率は,正常血量症と比較して,それぞれ2. 35と1. 55であった.
- カリウム濃度の動的変化とカリウムの正常化は,独立して死亡リスクの有意な差異と関連していました.
結論:
- 血清のカリウム濃度が長期にわたってモニタリングされることは,心臓機能不全患者の死亡率と独立して関連しています.
- 異常なカリウム濃度 (低カリウムまたは高カリウム) の持続は,正常な濃度を維持するよりも死亡のリスクが高い.
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