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Optimal blood pressure after reperfusion therapy in patients with acute ischemic stroke.

ABSTRACT: We investigated the relationship between the mean blood pressure (BP) at 24-72 h and the clinical outcomes after acute ischemic stroke (AIS) in patients treated with reperfusion therapy. The primary outcome was measured using the modified Rankin Scale (mRS) at 3 months after AIS, and was based on the mean systolic BP at 24-72 h post-AIS. Favorable outcome was defined as mRS scores of 0-2. A total of 1,540 patients treated with reperfusion therapy were enrolled in the study. Favorable outcomes occurred more frequently in patients with BP ≤ 130/80 mmHg, and the risks of symptomatic intracranial hemorrhage and early neurological deterioration were lower in this optimal BP group. Multivariable analysis showed a significant association between mean BP ≤ 130/80 mmHg at 24-72 h and favorable outcomes at 3 months after AIS (odds ratio 2.95, 95% confidence interval 2.32-3.77, p < 0.001). Prespecified subgroup analyses showed that BP ≤ 130/80 mmHg had a more significant impact on clinical outcome in patients with recanalization than in those without recanalization. These data indicate that a mean BP of ≤ 130/80 mmHg at 24-72 h post-AIS is independently associated with favorable outcomes in patients treated with reperfusion therapy, particularly in those with recanalization.

SUBMITTER: Choi KH

PROVIDER: S-EPMC6450931 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Optimal blood pressure after reperfusion therapy in patients with acute ischemic stroke.

Choi Kang-Ho KH Kim Jae-Myung JM Kim Ja-Hae JH Kim Joon-Tae JT Park Man-Seok MS Choi Seong-Min SM Lee Seung-Han SH Kim Byeong C BC Kim Myeong-Kyu MK Cho Ki-Hyun KH

Scientific reports 20190405 1

We investigated the relationship between the mean blood pressure (BP) at 24-72 h and the clinical outcomes after acute ischemic stroke (AIS) in patients treated with reperfusion therapy. The primary outcome was measured using the modified Rankin Scale (mRS) at 3 months after AIS, and was based on the mean systolic BP at 24-72 h post-AIS. Favorable outcome was defined as mRS scores of 0-2. A total of 1,540 patients treated with reperfusion therapy were enrolled in the study. Favorable outcomes oc ...[more]

PMID: 30952938

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Project description:Background and purposeAn aggressive lowering of blood pressure (BP) could lead to neurological worsening, particularly of the area that has not been reperfused in acute stroke patients with large vessel occlusion (LVO). We sought to investigate the association of reperfusion status and BP course following mechanical thrombectomy (MT) with outcomes in LVO.Materials and methodsConsecutive patients with LVO treated with MT between Jan 2020 to Jun 2021 were enrolled in a retrospective cohort study. Hourly systolic BP (SBP) and diastolic BP (DBP) were recorded for 72 h following MT and maximum SBP and DBP levels were identified. The Extended Thrombolysis in Cerebral Infarction (eTICI) scale was used to assess reperfusion extent. LVO patients were stratified in 2 groups based on reperfusion status: complete reperfusion (eTICI 3) and incomplete reperfusion (eTICI 2b/c). Three-month functional independence was defined as a modified Rankin Scale score of 0-2.ResultsA total of 263 acute ischemic stroke patients with LVO were retrospectively evaluated. Complete reperfusion was achieved in 210 patients (79.8%). Post-MT maximum SBP over 160 mmHg was significantly related to worse functional outcome (38.1% vs. 55.7%, p = 0.006), higher likelihood of in-hospital mortality and 3-month mortality (19.0% vs. 6.9%, p = 0.004, 27.4% vs. 14.3%, p = 0.012). No statistical correlation was found between reperfusion status and blood pressure level (p > 0.05). In patients with complete reperfusion, patients with an average BP 120-140 mmHg tends to have worse functional outcome compared with 100-120 mmHg (OR = 1.77, 95%CI: 0.97-3.23, p = 0.061).ConclusionHigh maximum SBP levels following MT are associated with an increased likelihood of 3-month functional dependence and mortality. An average BP of 100-120 mmHg tends to have better functional independence in completely reperfused patients. The effect of intensive BP control on incomplete reperfusion still warrants further investigations.

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Optimal blood pressure after reperfusion therapy in patients with acute ischemic stroke.

Publications

Optimal blood pressure after reperfusion therapy in patients with acute ischemic stroke.

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