血栓回収術中の標準血圧目標値と個別化血圧目標値の比較:ランダム化比較パイロット試験
Ulrick S Espelund1,2, Jan B Valentin3, Christian F Eriksen2,4
1Department of Anesthesiology and Intensive Care Horsens Regional Hospital Horsens Denmark.
Stroke (Hoboken, N.J.)
|January 26, 2026
まとめ
急性虚血性脳卒中患者を対象としたこのパイロットスタディでは、目標血圧の維持が困難なため、血管内治療中の個別化血圧管理は実行不可能であることがわかりました。現在のプロトコルでのさらなる試験は推奨されません。
科学分野:
- 神経学
- 心血管医学
- インターベンショナルラジオロジー
背景:
- 急性虚血性脳卒中の血管内治療中の最適な血圧管理は未決定のままである。
- このパイロットスタディでは、標準目標値と個別化目標値の実行可能性を評価した。
研究 の 目的:
- 急性虚血性脳卒中の血管内治療を受けている患者における2つの血圧管理戦略の実行可能性を評価すること。
- 標準血圧目標値と患者のベースラインに基づく個別化目標値を比較すること。
主な方法:
- 急性虚血性脳卒中および大血管閉塞を有する成人患者60人を対象としたランダム化比較パイロット試験。
- 患者を標準(平均動脈圧[MABP] 70-90 mm Hg)または個別化(ベースラインのMABP±10%)目標値に無作為化した。
- 主要評価項目は90日時点の修正ランキンスケールスコアであり、副次評価項目には実行可能性指標および再灌流率が含まれた。
主要な成果:
- 個別化血圧群は、標準群と比較して、平均動脈圧および収縮期血圧が有意に高かった。
- 完全再灌流率は群間で同等であった(90% vs 93%)。
- どちらの群も目標MABP範囲外で過ごした時間(54.3% vs 61.4%)であったため、実行可能性基準は満たされなかった。
結論:
- 目標血圧の達成における困難さにより、このパイロットスタディでは個別化戦略は実行不可能となった。
- 本研究の結果は、現在のプロトコルがより大規模な試験には適していないことを示唆している。
- 血管内脳卒中治療のための血圧管理戦略を改善するためには、さらなる研究が必要である。
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