Optimal achieved blood pressure in acute intracerebral hemorrhage: INTERACT2

Hisatomi Arima, Emma Heeley, Candice Delcourt, Yoichiro Hirakawa, Xia Wang, Mark Woodward, Thompson Robinson, Christian Stapf, Mark Parsons, Pablo M. Lavados, Yining Huang, Jiguang Wang, John Chalmers, Craig S. Anderson

研究成果: ジャーナルへの寄稿学術誌査読

57 被引用数 (Scopus)

抄録

Objectives: To investigate the effects of intensive blood pressure (BP) lowering according to baseline BP levels and optimal achieved BP levels in patients with acute intracerebral hemorrhage (ICH). Methods: INTERACT2 was an open, blinded endpoint, randomized controlled trial in 2,839 patients with ICH within 6 hours of onset and elevated systolic BP (SBP) (150-220 mm Hg) who were allocated to receive intensive (target SBP ,140 mm Hg within 1 hour, with lower limit of 130 mm Hg for treatment cessation) or guideline-recommended (target SBP ,180 mm Hg) BPlowering treatment. Outcome was physical function across all 7 levels of the modified Rankin Scale at 90 days. Results: Analysis of the randomized comparisons showed that intensive BP lowering produced comparable benefits on physical function at 90 days in 5 subgroups defined by baseline SBP of ,160, 160-169, 170-179, 180-189, and $190 mm Hg (p homogeneity 5 0.790). Analyses of achieved BP showed linear increases in the risk of physical dysfunction for achieved SBP above 130 mm Hg for both hyperacute (1-24 hours) and acute (2-7 days) phases while modest increases were also observed for achieved SBP below 130 mm Hg. Conclusions: Intensive BP lowering appears beneficial across a wide range of baseline SBP levels, and target SBP level of 130-139 mm Hg is likely to provide maximum benefit in acute ICH. Classification of evidence: This study provides Class I evidence that the effect of intensive BP lowering on physical function is not influenced by baseline BP.

本文言語英語
ページ(範囲)464-471
ページ数8
ジャーナルNeurology
84
5
DOI
出版ステータス出版済み - 2015
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 臨床神経学

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