エピドラルモルフィンは,交感性神経系の過剰活性を弱めることで,術後の高血圧を低下させます
M J Breslow1, D A Jordan, R Christopherson
1Department of Anesthesiology/Critical Care Medicine, Johns Hopkins Medical Institutions, Baltimore, Md 21205.
JAMA
|June 23, 1989
まとめ
エピデュラル用モルヒン硫酸は,交感性神経系の活動を低下させることで,大動脈外科手術後の術後の高血圧を効果的に軽減しました. この介入は,痛みを軽減し,追加のオピオイド鎮痛剤の必要性も軽減しました.
科学分野:
- アネステシオロジー アネステシオロジー
- 心血管外科手術についてです.
- 薬理学 薬理学とは
背景:
- 術後の高血圧は,腹動脈外科手術後の一般的な合併症です.
- 交感神経系の過剰活性が,その発達に関与している.
- このリスクを軽減するために,効果的な管理戦略が必要である.
研究 の 目的:
- 腹動脈外科手術後の術後の高血圧における交感性神経系の過活動性の役割を評価する.
- この反応を弱めるために, epidural morphine sulfateの有効性を評価する.
主な方法:
- ランダム化,ダブルブラインド,プラセボ対照研究で,腹部大動脈手術を受けた24人の成人患者が参加した.
- エピデュラル用モルヒン硫酸塩 (6 mg) と塩溶液プラセボの投与.
- 痛みのスコア,血のノルエピネフリン,エピネフリン,アルギニン・バソプレシン濃度,血圧のモニタリング.
主要な成果:
- エピデュラル用モルヒンを投与された患者は,親腸用モルヒンが少なく,痛みのスコアが低かったと報告した.
- プラズマのノレピネフリン濃度が著しく低下したのは,外注用モルヒネ群で観察された.
- モルヒネ群では,高血圧の治療を必要とする患者数が少なく,手術後の全体的な血圧が低下しました.
結論:
- 腎上腺エピネフリンやアルギニンバソプレシンではなく,交感神経系の活動が,大動脈外科手術後の高血圧を誘発する.
- エピデュラル薬,特にモルヒン硫酸は,この同情反応を弱め,手術後の高血圧を低減するのに有効です.
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