事故性血液透析患者の貧血管理の実践による死亡リスクの比較
M Alan Brookhart1, Sebastian Schneeweiss, Jerry Avorn
1Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, USA.
JAMA
|March 4, 2010
まとめ
末期腎疾患 (ESRD) の貧血管理は,死亡率に影響します. エリトロポエーシス刺激剤 (ESA) と鉄の使用量の増加は,低血圧値のESRD患者における死亡率の低下と相関しているが,高血圧値ではリスクが増加している.
科学分野:
- ネフロロジーは腎臓科
- クリニカル・メディシン 臨床医学
- 公衆衛生は公衆衛生である.
背景:
- 末期腎疾患 (ESRD) の最適な貧血管理は,依然として議論の対象となっている.
- 透析センターは,赤色素形成刺激剤 (ESA) と静脈注射鉄を使用した貧血管理のさまざまなパターンを示しています.
研究 の 目的:
- 透析センターレベルの貧血管理戦略と患者の死亡リスクとの関連を調べる.
- ヘモダイアリス患者におけるESAと鉄の利用の異なるパターンにおける死亡リスクを比較する.
主な方法:
- 269,717人のインシデント血液透析患者のMedicare ESRDプログラムデータ (1999-2007) の分析.
- 血液透析センターのESAと鉄の使用に基づいて毎年実施する貧血管理の特徴 血液透析センターの年次貧血管理の特徴 血液透析センターの年次貧血管理の特徴 血液透析センターの年次貧血管理の特徴
- コックス比例リスク回帰は,センターレベルの実践と1年間の全原因死亡率の間の相関を評価するために使用されました.
主要な成果:
- 死亡率は,血球濃度<30%の患者で最高で,血球濃度≥36%の患者で最低でした.
- ヘマトクリット<30%の患者でESAの投与量が高かった場合,死亡率が低かった (HR,0.94).
- ヘマトクリット<33%の患者で鉄の投与量を増やすことは,より低い死亡率 (HR,0.95) と関連していた.
- ヘマトクリット33%~35.9%の患者で,より高いESA用量は,死亡率の増加を示した (HR,1.07).
- ヘマトクリット値≥36%の患者におけるESAと鉄の集中使用は,死亡リスクの増加と関連していました.
結論:
- 末期腎疾患の患者では,エリソポエーシス刺激剤と鉄の使用量の増加は,低血圧値で死亡率の減少と関連しています.
- 対照的に,より高い血球値は一般的に死亡率の低下と関連しているが,より集中的なESAと鉄の投与で死亡リスクが高かった.
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