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Meta-Analysis
. 2022 Aug;24(8):963-970.
doi: 10.1111/jch.14537. Epub 2022 Jul 27.

Systolic blood pressure trajectories after acute ischemic strokes and clinical outcomes: A systematic review

Xiuhua Chen  1 , Huiliang Liu  1 , Hongyuan Ye  2 , Zhe Bian  2 , Yanbo Peng  2
Affiliations
Meta-Analysis

Systolic blood pressure trajectories after acute ischemic strokes and clinical outcomes: A systematic review

Xiuhua Chen et al. J Clin Hypertens (Greenwich). 2022 Aug.

Abstract

Blood pressure(BP) varies drastically during the acute phase after stroke onset. BP level and BP variability may have a major impact on acute ischemic stroke (AIS) prognosis. However, the association between trajectories of blood pressure over time and clinical outcomes have not been established. This review sought out existing evidences for associations of systolic blood pressure (SBP) trajectories on outcomes after stroke to determine the connection between SBP trajectories and stroke prognosis. According to a pre-designed search strategy, literature search was carried out in Embase, Pubmed and Web of Science. Two authors independently evaluated study eligibility and quality, and literature data were extracted. When the literature was eligible, we perform meta-analysis to determine associations of SBP trajectories with clinical outcomes. Seven studies were finally screened out of 52 studies retrieved. Seven studies received a good risk of bias rating and reported BP measurement methods and intervals, BP trajectories modeling methods, outcome measures, but it was found that final systolic BP trajectories in various papers were significantly different. All studies reported statistically significant associations between systolic blood pressure trajectories and prognosis. Methodological heterogeneity is observed in studies. However, this systematic review suggests that the high SBP group after AIS is related to poor clinical outcomes, while the rapid decline or medium-to-low or low SBP group is associated with relatively better clinical outcomes at different period after stroke. More prospective studies are needed to report the full methodology according to standardized criteria and explore relationships between SBP trajectories and prognosis of stroke.

Keywords: acute ischemic strokes; clinical outcomes; systematic review; systolic blood pressure trajectories.

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Conflict of interest statement

The authors have no competing interests.

Figures

FIGURE 1
FIGURE 1
Study selection process
FIGURE 2
FIGURE 2
Event rate of systolic blood pressure groups in six studies
See this image and copyright information in PMC

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