閉塞性心不全患者の内生オアバイン濃度の上昇
S S Gottlieb1, A C Rogowski, M Weinberg
1Department of Medicine, University of Maryland School of Medicine, Baltimore 21201.
Circulation
|August 1, 1992
まとめ
内生オアバインの濃度は心不全の患者で上昇しており,心機能低下と相関しています. これは,内生オアバインが,流体量に関係なく,ヒトのホメオスタシスにおける役割を果たしていることを示唆している.
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
- 生理学 生理学とは
背景:
- 哺乳類のデジタリスのような化合物が理論化されており,オアバインは最近ヒトの血で特定されました.
- 閉塞性心不全 (CHF) の患者は,内生性オアバインのレベルが変化している可能性があります.
- CHFにおける内在的なオアバインの病理生理学の研究は,その潜在的な臨床的意義のために極めて重要です.
研究 の 目的:
- 閉塞性心不全患者の内生オアバインの病理生理学を評価する.
- 血オアバイン濃度をCHF患者および対照群で測定する.
- CHFにおけるオアバイン濃度と血液動力学的パラメータの関係を評価する.
主な方法:
- 血オアバイン濃度は,免疫検査を用いて測定された.
- 51人の心不全患者と19人の対照群を対象とした.
- オアバイン濃度と心指数,平均動脈圧,充填圧の相関が分析されました.
主要な成果:
- プラズマオアバイン濃度は,対照群と比較して,心不全患者において有意に上昇した.
- オアバインの濃度は,心指数と平均動脈圧と逆相関していた.
- オウアバインと左心房詰めや右心房圧,腎機能との間には相関は認められませんでした.
結論:
- ボリュームステータスは,CHFにおけるオアバイン濃度の主な決定因子ではありません.
- CHF患者の内生オアバインの上昇は,それが有意なホメオスタティック要因である可能性があることを示唆しています.
- この発見は,ヒトにおける心血管機能の調節における内生オアバインの役割を暗示しています.
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