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学科主题: 临床医学
题名:
Blood pressure variability and outcome after acute intracerebral haemorrhage: a post-hoc analysis of INTERACT2, a randomised controlled trial
作者: Manning, Lisa1,2; Hirakawa, Yoichiro3; Arima, Hisatomi3; Wang, Xia3; Chalmers, John3,4; Wang, Jiguang5; Lindley, Richard3; Heeley, Emma3; Delcourt, Candice3,4; Neal, Bruce3; Lavados, Pablo6,7; Davis, Stephen M.8,9; Tzourio, Christophe10,11; Huang, Yining12; Stapf, Christian13,14,15; Woodward, Mark3; Rothwell, Peter M.16; Robinson, Thompson G.1,2; Anderson, Craig S.3,4; INTERACT Investigatorst1
刊名: LANCET NEUROLOGY
发表日期: 2014-04-01
DOI: 10.1016/S1474-4422(14)70018-3
卷: 13, 期:4, 页:364-373
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Clinical Neurology
研究领域[WOS]: Neurosciences & Neurology
关键词[WOS]: TO-VISIT VARIABILITY ; ACUTE STROKE ; ARTERIAL-HYPERTENSION ; EPISODIC HYPERTENSION ; HEMATOMA ENLARGEMENT ; STATISTICAL-ANALYSIS ; MANAGEMENT ; ASSOCIATION ; GUIDELINES ; REDUCTION
英文摘要:

Background High blood pressure is a prognostic factor for acute stroke, but blood pressure variability might also independently predict outcome. We assessed the prognostic value of blood pressure variability in participants of INTERACT2, an open-label randomised controlled trial (ClinicalTrials.gov number NCT00716079).

Methods INTERACT2 enrolled 2839 adults with spontaneous intracerebral haemorrhage (ICH) and high systolic blood pressure (150-220 mm Hg) without a definite indication or contraindication to early intensive treatment to reduce blood pressure. Participants were randomly assigned to intensive treatment (target systolic blood pressure <140 mm Hg within 1 h using locally available intravenous drugs) or guideline-recommended treatment (target systolic blood pressure <180 mm Hg) within 6 h of onset of ICH. The primary outcome was death or major disability at 90 days (modified Rankin Scale score >= 3) and the secondary outcome was an ordinal shift in modified Rankin Scale scores at 90 days, assessed by investigators masked to treatment allocation. Blood pressure variability was defined according to standard criteria: five measurements were taken in the first 24 h (hyperacute phase) and 12 over days 2-7 (acute phase). We estimated associations between blood pressure variability and outcomes with logistic and proportional odds regression models. The key parameter for blood pressure variability was standard deviation (SD) of systolic blood pressure, categorised into quintiles.

Findings We studied 2645 (93.2%) participants in the hyperacute phase and 2347 (82.7%) in the acute phase. In both treatment cohorts combined, SD of systolic blood pressure had a significant linear association with the primary outcome for both the hyperacute phase (highest quintile adjusted OR 1.41, 95% CI 1.05-1.90; p(trend)=0.0167) and the acute phase (highest quintile adjusted OR 1.57, 95% CI 1.14-2.17; p(trend)=0.0124). The strongest predictors of outcome were maximum systolic blood pressure in the hyperacute phase and SD of systolic blood pressure in the acute phase. Associations were similar for the secondary outcome (for the hyperacute phase, highest quintile adjusted OR 1.43, 95% CI 1.14-1.80; p(trend)=0.0014; for the acute phase OR 1.46, 95% CI 1.13-1.88; p(trend)=0.0044).

Interpretation Systolic blood pressure variability seems to predict a poor outcome in patients with acute intracerebral haemorrhage. The benefits of early treatment to reduce systolic blood pressure to 140 mm Hg might be enhanced by smooth and sustained control, and particularly by avoiding peaks in systolic blood pressure.

Funding National Health and Medical Research Council of Australia.

语种: 英语
所属项目编号: 571281 ; 512402 ; 1004170
项目资助者: National Health and Medical Research Council of Australia ; British Heart Foundation and United Kingdom Stroke Association ; Uehara Memorial Foundation of Japan ; Australian Research Council ; National Health and Medical Research Council
WOS记录号: WOS:000349743800008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/51138
Appears in Collections:北京大学第一临床医学院_神经内科_期刊论文

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作者单位: 1.Royal Prince Alfred Hosp, Sydney, NSW, Australia
2.Univ Chile, Santiago, Chile
3.Royal Melbourne Hosp, Melbourne Brain Ctr, Melbourne, Vic, Australia
4.Univ Melbourne, Melbourne, Vic, Australia
5.INSERM, U897, Bordeaux, France
6.Univ Leicester, Dept Cardiovas Sci, Leicester, Leics, England
7.Univ Bordeaux, Bordeaux, France
8.Hop Lariboisiere, AP HP, Dept Neurol, F-75475 Paris, France
9.DHU NeuroVasc Paris Sorbonne, Paris, France
10.Univ Leicester, NIHR Biomed Res Unit Cardiovasc Dis, Leicester, Leics, England
11.Univ Sydney, George Inst Global Hlth, Sydney, NSW 2006, Australia
12.Shanghai Jiao Tong Univ, Rui Jin Hosp, Shanghai Inst Hypertens, Shanghai 200030, Peoples R China
13.Univ Desarrollo, Dept Med, Serv Neurol, Clin Alemana, Santiago, Chile
14.Peking Univ, Hosp 1, Dept Neurol, Beijing 100871, Peoples R China
15.Univ Paris Diderot, Sorbonne Paris Cite, Paris, France
16.John Radcliffe Hosp, Univ Dept Clin Neurol, Stroke Prevent Res Unit, Oxford OX3 9DU, England

Recommended Citation:
Manning, Lisa,Hirakawa, Yoichiro,Arima, Hisatomi,et al. Blood pressure variability and outcome after acute intracerebral haemorrhage: a post-hoc analysis of INTERACT2, a randomised controlled trial[J]. LANCET NEUROLOGY,2014,13(4):364-373.
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