scholarly journals Leukoaraiosis, intracerebral hemorrhage, and functional outcome after acute stroke thrombolysis

Neurology ◽  
2017 ◽  
Vol 88 (7) ◽  
pp. 638-645 ◽  
Author(s):  
Kannikar Kongbunkiat ◽  
Duncan Wilson ◽  
Narongrit Kasemsap ◽  
Somsak Tiamkao ◽  
Fatima Jichi ◽  
...  

Objective:To perform a systematic review and pooled meta-analysis of published studies to assess whether the presence of leukoaraiosis on neuroimaging before treatment with thrombolysis (IV or intra-arterial) is associated with an increased risk of symptomatic intracerebral hemorrhage (sICH) or poor functional outcome.Methods:We included studies of patients with acute ischemic stroke, treated with IV or intra-arterial thrombolysis, which assessed functional outcome (3-month modified Rankin Scale [mRS]) or sICH in relation to leukoaraiosis on pretreatment neuroimaging (CT or MRI). We used random-effects models to calculate pooled relative risks (RR) of sICH and poor functional outcome (mRS ≥ 2) for any vs no leukoaraiosis (using any rating scale) and for no to mild vs moderate to severe leukoaraiosis (using the Van Swieten or Fazekas Schmidt scale).Results:We identified 15 studies (total n = 6,967). For sICH outcome, the RR was 1.65 (n = 5,551; 95% confidence interval [CI] 1.26–2.16, p = 0.001) with an absolute risk (AR) increase of 2.5% for any leukoaraiosis vs none. The RR was 2.4 (n = 4,192; 95% CI 1.83–3.14, p = 0.001) with an AR increase of 6.2% for moderate to severe vs no to mild leukoaraiosis. For poor functional outcome; the RR was 1.30 (n = 3,401; 95% CI 1.19–1.42, p = 0.001) with an AR increase of 15.4% for any leukoaraiosis vs none. The RR was 1.31 (n = 3,659; 95% CI 1.22–1.42, p = 0.001) with an AR increase of 17.5% for moderate to severe vs no to mild leukoaraiosis. No statistical heterogeneity was noted for any of the analyses.Conclusions:Leukoaraiosis presence and severity are consistently associated with an increased risk of sICH and poor functional outcome after IV or intra-arterial thrombolysis for acute ischemic stroke.

2021 ◽  
Author(s):  
Chengbing Wang ◽  
Qian Zhang ◽  
Mingwei Ji ◽  
Jing Mang ◽  
Zhongxin Xu

Abstract Background: The neutrophil to lymphocyte ratio (NLR) has been shown to be an important independent inflammatory indicator in stroke. The relationship between NLR and poor prognostics in acute ischemic stroke (AIS) patients who received intravenous thrombolysis (IVT) still unclear. The purpose of this meta-analysis was to evaluate the association between NLR and poor prognosis after IVT. Furthermore, we aim to concluded whether admission NLR or post-IVT NLR play a role in AIS.Methods: Pubmed, Embase, Wed of Science and China National Knowledge Infrastructure were searched for relevant articles until October 7, 2020. Cohort and case-control studies were included if related to NLR in AIS patients treated with IVT. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were pooled to estimate the relationship between NLR and poor prognosis after IVT. A random effects model was used to calculate the pooled data.Results: Twelve studies, including 3641 patients met the predefined inclusion criteria. Higher NLR levels were associated with an increased risk of hemorrhagic transformation (HT) (OR=1.33,95%CI=1.14-1.56, P<0.001) and 3-month poor functional outcome (OR=1.64,95%CI=1.38-1.94, P<0.001) in AIS patients receiving IVT. Subgroup analysis of HT suggested that admission NLR levels rather than post-IVT NLR levels was associated with higher risk of HT (OR=1.33,95%CI=1.01-1.75, P=0.039). But There had no statistically significant difference between higher NLR levels and 3-month mortality (OR=1.14, 95%CI=0.97-1.35, P=0.120).Conclusions: High NLR can predict HT and 3-month poor functional outcome in AIS patients received IVT. Admission NLR rather than post-IVT NLR was independent risk factor of increased risk of HT.


Stroke ◽  
2016 ◽  
Vol 47 (suppl_1) ◽  
Author(s):  
Yoshinobu Wakisaka ◽  
Ryu Matsuo ◽  
Junya Hata ◽  
Junya Kuroda ◽  
Tetsuro Ago ◽  
...  

Introduction: With an aging population, an increased number of acute stroke patients with pre-stroke dementia is expected. Although both stroke and dementia are major cause of disability, the effect of pre-stroke dementia on functional outcome after stroke has been still on debate. Hypothesis: Pre-stroke dementia is associated with poor functional outcome after acute ischemic stroke. Methods: Of 9198 stroke patients registered in the Fukuoka Stroke Registry in Japan from June 2007 to May 2014, 3843 patients with first-ever ischemic stroke within 24h of onset, who had been functionally independent before the onset, were enrolled in this study (cardioembolism [n=926], large artery atherosclerosis [n=583], small vessel occlusion [n=1045], others [n=1289]). Pre-stroke dementia was defined as any type of dementia that was present prior to the stroke. For propensity score (PS)-matched analysis, 320 pairs of patients with and without pre-stroke dementia were also selected. Study outcome was poor functional outcome (modified Rankin Scale 3-6) at discharge. Results: In the total cohort, 330 (8.6%) had pre-stroke dementia. The age (80±8 vs 69±13, year, mean±SD, p<0.01), frequencies of female (46 vs 36, %, p<0.01) and cardioembolism (41 vs 23, %, p<0.01), and NIHSS score on admission (6 [3 - 12] vs 3 [1 - 6], median [interquartile], p<0.01) were higher in patients with pre-stroke dementia than those without the dementia. Poor functional outcome (62 vs 25, %, p<0.01) were more prevalent in patients with pre-stroke dementia than those without the dementia. Multivariable-adjusted analysis showed that pre-stroke dementia was significantly associated with increased risk for poor functional outcome (OR 2.3, 95% CI 1.7-3.2). There were no interactions between pre-stroke dementia and 4 variables (age, sex, stroke subtype, and initial stroke severity [NIHSS≤7 or NIHSS≥8]). In the PS-matched analysis, pre-stroke dementia was still associated with poor functional outcome (OR 4.3, 95%CI 2.1-8.8). Conclusions: Pre-stroke dementia was significantly associated with poor functional outcome at discharge in patients with acute ischemic stroke.


2021 ◽  
Vol 28 ◽  
Author(s):  
Heng Zhang ◽  
Jiabin Huang ◽  
Yongjing Zhou ◽  
Yu Fan

Background and Objective: Studies on the prognostic value of homocysteine level have yielded controversial results in patients with acute ischemic stroke (AIS). The aim of this meta-analysis was to evaluate the prognostic utility of homocysteine among patients with AIS in terms of recurrent stroke, poor functional outcome or all-cause mortality. Methods: Two independent authors searched the articles published in PubMed and Embase databases prior to March 31, 2020. Original studies that investigated the value of homocysteine level in predicting recurrent stroke, poor functional outcome (modified Rankin Scale ≥ 3) or all-cause mortality in AIS patients were eligible. Results: Eleven articles (10 studies) that enrolled 19,435 patients with AIS were included. Meta-analysis indicated that the patients with the highest homocysteine level had an increased risk of all-cause mortality (risk ratio [RR] 1.40; 95% confidence interval [CI] 1.26–1.55). However, elevated homocysteine level was not significantly associated with recurrent stroke (RR 1.28; 95% CI 0.99–1.65) or poor functional outcome (RR 1.71; 95% CI 0.77–3.83). Conclusion: Elevated homocysteine level is independently associated with a higher risk of all-cause mortality but not recurrent stroke or poor functional outcome in patients with AIS. However, additional well-designed studies are required to confirm the findings of this meta-analysis.


Stroke ◽  
2016 ◽  
Vol 47 (suppl_1) ◽  
Author(s):  
Ayaz Khawaja ◽  
Karen Albright ◽  
Angela Hays Shapshak ◽  
Harn Shiue ◽  
April Sisson ◽  
...  

Background: Early ischemic changes (EIC) on head CT are associated with increased hemorrhagic transformation (HT) following treatment with TPA. We examined the associations between EIC, HT, and outcomes in patients treated and not treated with IV TPA. Methods: We conducted a retrospective review of consecutive acute ischemic stroke (AIS) patients presenting to our CSC from April 2014 to March 2015. Demographic and clinical data, including initial head CT findings (parenchymal hypodensity, loss of gray-white differentiation, sulcal effacement, hyperdense vessel) were collected. HT on repeat neuroimaging, poor functional outcome, as measured by a modified Rankin Scale (mRS) of 3-6, and in-hospital mortality were assessed. Results: A total of 679 patients were included (50.4% men). One hundred and eight patients (15.9%) received IV TPA. EIC were observed in 38.5% of untreated patients and 17.6% in IV TPA treated patients (p<0.0001). For patients treated with IV TPA, EIC was seen more frequently in patients with pre-stroke anticoagulant use (26.3% vs. 6.7%, p=0.010) and less frequently in patients with pre-stroke statin use (15.8% vs. 43.3%, p=0.025). A higher proportion of HT was observed in patients with EIC (12.8% vs. 6.8%, p=0.016 untreated, 36.8% vs. 14.6%, p=0.024 IV TPA) and with hyperdense artery sign (8.2% vs. 3.7%, p=0.022 untreated, 36.8% vs. 15.7%, p=0.035 IV TPA). For untreated patients, EIC was observed in a larger proportion of patients with an NIHSS>14 (14.8% vs. 9.6%, p=0.016), and discharge mRS 3-6 (53.6% vs. 44.5%, p=0.040). For patients treated with IV TPA, in-hospital mortality was more common in patients with EIC (31.6% vs. 10.0%, p=0.013). Conclusions: In untreated patients, EIC may serve as a harbinger for HT on repeat imaging and poor functional outcome at discharge, whereas in patients treated with IV TPA, it is associated with HT and in-hospital mortality. Patients with EIC may be at increased risk of HT and poor outcomes even without thrombolytics.


2022 ◽  
Vol 12 ◽  
Author(s):  
Chuan-Li Shen ◽  
Nian-Ge Xia ◽  
Hong Wang ◽  
Wan-Li Zhang

Background and Purpose: The association between stress hyperglycemia and clinical outcomes in patients with acute ischemic stroke treated with intravenous thrombolysis (IVT) is uncertain. We sought to analyze the association between the stress hyperglycemia ratio (SHR) using different definitions and clinical outcomes in acute patients with ischemic stroke undergoing IVT.Methods: A total of 341 patients with ischemic stroke receiving IVT were prospectively enrolled in this study. The SHR was evaluated using different equations: SHR1, fasting glucose (mmol/L)/glycated hemoglobin (HbA1c) (%); SHR2, fasting glucose (mmol/L)/[(1.59 × HbA1c)−2.59]; SHR3, admission blood glucose (mmol/L)/[(1.59 × HbA1c)−2.59]. A poor functional outcome was defined as a modified Rankin scale score of 3–6 at 3 months. Multivariate logistic regression analysis was used to identify the relationship between different SHRs and clinical outcomes after IVT.Results: A total of 127 (37.2%) patients presented with poor functional outcomes at 3 months. The predictive value of SHR1 for poor functional outcomes was better than that of SHR2 and SHR3 in receiver operating characteristic analyses. On multivariate analysis, SHR1 [odds ratio (OR) 14.639, 95% CI, 4.075–52.589; P = 0.000] and SHR2 (OR, 19.700; 95% CI; 4.475–86.722; P = 0.000) were independently associated with an increased risk of poor functional outcome but not SHR3.Conclusions: Our study confirmed that the SHR, as measured by SHR1 and SHR2, is independently associated with worse clinical outcomes in patients with ischemic stroke after intravenous thrombolysis. Furthermore, SHR1 has a better predictive performance for outcomes than other SHR definitions.


2021 ◽  
pp. 1-10
Author(s):  
Qianmei Jiang ◽  
Jie Hou ◽  
Jian Ge ◽  
Zhichao Huang ◽  
Huaishun Wang ◽  
...  

<b><i>Objective:</i></b> We performed a systematic review and meta-analysis to investigate the clinical significance of hyperdense area after thrombectomy in patients with acute ischemic stroke (AIS). <b><i>Methods:</i></b> We searched Ovid MEDLINE(R) and Epub Ahead of Print, In-Process and other Non-Indexed, Cochrane Library Clinical Controlled Trials and Embase from inception to September 2020 and collected the cohort and case-control studies about the clinical significance of hyperdense area on different types of computed tomography (CT) after thrombectomy in patients with AIS. Outcomes were poor functional outcome (modified Rankin Scale [mRS] Score 3–6 at discharge or 90-day), mortality and subtypes of hemorrhage according to the European Cooperative Acute Stroke Study (ECASS). <b><i>Results:</i></b> 1,999 patients from 16 studies were included in this meta-analysis. Pooled results indicated higher risk of symptomatic intracerebral hemorrhage (odds ratio [OR] = 3.02; 95% confidence interval [CI] 1.84–4.95; <i>p</i> &#x3c; 0.0001, <i>I</i><sup>2</sup> = 0%) in patients with hyperdense area, and the subtype of parenchymal hematoma as well. There was also higher odds of poor functional outcome based on the mRS 3–6 at discharge or 90-day (OR = 1.92; 95% CI 1.35–2.73; <i>p</i> = 0.0003, <i>I</i><sup>2</sup> = 31%) and mortality (OR = 2.06; 95% CI 1.41–3.02; <i>p</i> = 0.0002, <i>I</i><sup>2</sup> = 0%) in patients with hyperdense area after thrombectomy compared with those without hyperdense area. <b><i>Conclusions:</i></b> Our results indicated that the presence of hyperdense area on CT after thrombectomy was associated with high risk of symptomatic intracerebral hemorrhage, poor functional outcome, as well as mortality in patients with AIS. However, further studies were needed to confirm these results. The meta-analysis was conducted in adherence with the PRISMA Statement and was registered at the International Prospective Register of Systematic Reviews (CRD42020164165). To the best of our knowledge, this study is the first meta-analysis investigating the effect of hyperdense area after endovascular therapy in patients with AIS.


2021 ◽  
pp. 1-7
Author(s):  
Yoshinobu Wakisaka ◽  
Ryu Matsuo ◽  
Kuniyuki Nakamura ◽  
Tetsuro Ago ◽  
Masahiro Kamouchi ◽  
...  

Introduction: Pre-stroke dementia is significantly associated with poor stroke outcome. Cholinesterase inhibitors (ChEIs) might reduce the risk of stroke in patients with dementia. However, the association between pre-stroke ChEI treatment and stroke outcome remains unresolved. Therefore, we aimed to determine this association in patients with acute ischemic stroke and pre-stroke dementia. Methods: We enrolled 805 patients with pre-stroke dementia among 13,167 with ischemic stroke within 7 days of onset who were registered in the Fukuoka Stroke Registry between June 2007 and May 2019 and were independent in basic activities of daily living (ADLs) before admission. Primary and secondary study outcomes were poor functional outcome (modified Rankin Scale [mRS] score: 3–6) at 3 months after stroke onset and neurological deterioration (≥2-point increase in the NIH Stroke Scale [NIHSS] during hospitalization), respectively. Logistic regression analysis was used to evaluate associations between pre-stroke ChEI treatment and study outcomes. To improve covariate imbalance, we further conducted a propensity score (PS)-matched cohort study. Results: Among the participants, 212 (26.3%) had pre-stroke ChEI treatment. Treatment was negatively associated with poor functional outcome (odds ratio: 0.68 [95% confidence interval: 0.46–0.99]) and neurological deterioration (0.52 [0.31–0.88]) after adjusting for potential confounding factors. In the PS-matched cohort study, the same trends were observed between pre-stroke ChEI treatment and poor functional outcome (0.61 [0.40–0.92]) and between the treatment and neurological deterioration (0.47 [0.25–0.86]). Conclusions: Our findings suggest that pre-stroke ChEI treatment is associated with reduced risks for poor functional outcome and neurological deterioration after acute ischemic stroke in patients with pre-stroke dementia who are independent in basic ADLs before the onset of stroke.


PLoS ONE ◽  
2021 ◽  
Vol 16 (6) ◽  
pp. e0249093
Author(s):  
Sabine L. Collette ◽  
Maarten Uyttenboogaart ◽  
Noor Samuels ◽  
Irene C. van der Schaaf ◽  
H. Bart van der Worp ◽  
...  

Objective The effect of anesthetic management (general anesthesia [GA], conscious sedation, or local anesthesia) on functional outcome and the role of blood pressure management during endovascular treatment (EVT) for acute ischemic stroke is under debate. We aimed to determine whether hypotension during EVT under GA is associated with functional outcome at 90 days. Methods We retrospectively collected data from patients with a proximal intracranial occlusion of the anterior circulation treated with EVT under GA. The primary outcome was the distribution on the modified Rankin Scale at 90 days. Hypotension was defined using two thresholds: a mean arterial pressure (MAP) of 70 mm Hg and a MAP 30% below baseline MAP. To quantify the extent and duration of hypotension, the area under the threshold (AUT) was calculated using both thresholds. Results Of the 366 patients included, procedural hypotension was observed in approximately half of them. The occurrence of hypotension was associated with poor functional outcome (MAP <70 mm Hg: adjusted common odds ratio [acOR], 0.57; 95% confidence interval [CI], 0.35–0.94; MAP decrease ≥30%: acOR, 0.76; 95% CI, 0.48–1.21). In addition, an association was found between the number of hypotensive periods and poor functional outcome (MAP <70 mm Hg: acOR, 0.85 per period increase; 95% CI, 0.73–0.99; MAP decrease ≥30%: acOR, 0.90 per period; 95% CI, 0.78–1.04). No association existed between AUT and functional outcome (MAP <70 mm Hg: acOR, 1.000 per 10 mm Hg*min increase; 95% CI, 0.998–1.001; MAP decrease ≥30%: acOR, 1.000 per 10 mm Hg*min; 95% CI, 0.999–1.000). Conclusions Occurrence of procedural hypotension and an increase in number of procedural hypotensive periods were associated with poor functional outcome, whereas the extent and duration of hypotension were not. Randomized clinical trials are needed to confirm our hypothesis that hypotension during EVT under GA has detrimental effects.


2021 ◽  
Vol 12 ◽  
Author(s):  
Youyu Li ◽  
Daqing Chen ◽  
Laifang Sun ◽  
Zhibo Chen ◽  
Weiwei Quan

Objective: Monocyte to high-density lipoprotein ratio is considered as a new inflammatory marker and has been used to predict the severity of coronary heart disease and the incidence of adverse cardiovascular events (ACEs). However, there is a lack of data relative to large artery atherosclerosis (LAA) ischemic stroke. We investigated whether the monocyte to high-density lipoprotein (HDL) ratio (MHR) is related to the 3-month functional prognosis of LAA ischemic stroke.Materials and Methods: A retrospective analysis was conducted on 316 LAA ischemic stroke patients. The 3-month functional outcome was divided into good and poor according to the modified Rankin Scale (mRS) score. Multivariate logistic regression analysis was performed to evaluate the correlation between MHR and prognosis of ischemic stroke.Results: The MHR level of poor functional outcome group was higher than that of the good functional outcome group [0.44 (0.3, 0.55) vs. 0.38 (0.27, 0.5), P = 0.025]. Logistic stepwise multiple regression revealed that MHR [odds ratio (OR) 9.464, 95%CI 2.257–39.678, P = 0.002] was an independent risk factor for the 3-month poor outcome of LAA ischemic stroke. Compared to the lower MHR tertile, the upper MHR tertile had a 3.03-fold increase (95% CI 1.475–6.225, P = 0.003) in the odds of poor functional outcome after adjustment for potential confounders. Moreover, a multivariable-adjusted restricted cubic spline (RCS) showed a positive close to a linear pattern of this association.Conclusion: Elevated MHR was independently associated with an increased risk of poor 3-month functional outcome of patients with LAA ischemic stroke.


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