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急性心筋梗塞における低血糖症と高血糖症に関連する異なる臨床結果
Abhinav Goyal1, Shamir R Mehta, Rafael Díaz
1MHS, 1518 Clifton Rd NE, Room 456, Atlanta, GA 30322, USA. agoyal4@emory.edu
Circulation
|December 2, 2009
まとめ
急性心筋梗塞 (AMI) 患者における高血糖症は死亡を予測する. 入院時の低血糖症は非有意な傾向を示し,入院後の低血糖症は死亡率と関連していなかったため,有害な結果を直接引き起こさない可能性があることを示唆しています.
科学分野:
- 心臓病学 心臓病学
- エンドクリノロジー エンドクリノロジー
- クリティカルケア・メディシン
背景:
- 高血糖症は,急性心筋梗塞 (AMI) 患者における死亡率の既知の予測因子である.
- AMIにおける低血糖症の予後的意義は依然として論争の的であり,さらなる調査が必要である.
研究 の 目的:
- AMI患者の大きなコホートにおいて,低血糖症と高血糖症の両方の予後的意義を評価する.
- 30日間の死亡率に関する入院と入院後のグルコースレベルの予測値を比較する.
主な方法:
- 2つの大規模なグルコース・インスリン・カリウム療法試験のAMI患者30,536人のポストホック分析.
- 多変量コックスモデルを使用して,低血糖症 (<または=70 mg/dL) と高血糖症 (>または=140 mg/dL) と正常血糖症の予後値を評価した.
- 分析は,代替的な低血糖症の定義とサブグループ (糖尿病,インスリン療法) で繰り返されました.
主要な成果:
- 入院と入院後の高血糖症 (>=140 mg/dL) の両方が,30日間の死亡率の増加を有意に予測した (aHRはそれぞれ1.43と1.47).
- 入院時の低血糖症 (<=70 mg/dL) は予後 (aHR 1.16),入院後の低血糖症 (aHR 0.96) もなかった.
- これらの発見は,さまざまな低血糖症の定義と糖尿病患者の間で一貫していた.
結論:
- 入院および入院後の高血糖症は,AMI患者における30日間の死亡率の有意な予測因子である.
- 低血糖症は,特に入院後では,AMIにおける有害な結果の直接的な媒介者ではないようです.
- 臨床的焦点は,AMI患者における高血糖症の管理に引き続き集中すべきである.
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