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  • 1
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 50, No. 4 ( 2019-04), p. 901-908
    Abstract: Endovascular therapy (EVT) is strongly recommended for acute cerebral large vessel occlusion with the Alberta Stroke Program Early CT Score (ASPECTS) ≥6 due to occlusion of the internal carotid artery or M1 segment of the middle cerebral artery. However, the effect of EVT for patients who have ischemic core with ASPECTS ≤5 (0–5) was not established. The purpose of this study was to elucidate the outcomes of EVT for patients with large ischemic core. Methods— Based on the data of The Recovery by Endovascular Salvage for Cerebral Ultra-Acute Embolism Japan Registry 2, patients with internal carotid artery or M1 segment of the middle cerebral artery occlusion and pretreatment ASPECTS 0 to 5 on noncontrast CT or diffusion-weighted image were extracted, and the outcomes by EVT were analyzed. Primary end point was defined as a good functional outcome (modified Rankin Scale score of ≤2) after 90 days. Result— Among 2420 registered patients, 504 patients were with internal carotid artery or M1 segment of the middle cerebral artery occlusion and ASPECTS 0 to 5. Among these 504 patients, 172 (34.1 %) were treated with EVT (EVT group) and 332 (65.9 %) without (no-EVT group). In the no-EVT group, elderly patients, females, poor prestroke modified Rankin Scale, high National Institutes of Health Stroke Scale, low ASPECTS, and late admission were significantly more observed. Good functional outcomes were significantly more observed in the EVT group than in the no-EVT group (19.8 % versus 4.2 %; P 〈 0.0001; adjusted odds ratio, 2.33; 95% CI, 1.10–4.94). The incidences of symptomatic intracranial hemorrhage within 72 hours did not significantly different between the EVT group and the no-EVT group (3.7 % versus 4.9%; P =0.55; adjusted odds ratio, 0.50; 95% CI, 0.14–1.73). Conclusions— Although outcomes in this group of patients were usually poor, the data suggested EVT may increase the likelihood of a good functional outcome.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2019
    detail.hit.zdb_id: 1467823-8
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  • 2
    In: Scientific Reports, Springer Science and Business Media LLC, Vol. 11, No. 1 ( 2021-06-17)
    Abstract: Early reperfusion after endovascular thrombectomy is associated with an improved outcome in ischemic stroke patients; however, the time dependency in elderly patients remains unclear. We investigated the time–outcome relationships in different age subgroups. Of 2420 patients enrolled in the RESCUE-Japan Registry 2 study, a study based on a prospective registry of stroke patients with acute cerebral large-vessel occlusion at 46 centers, we analyzed the data of 1010 patients with successful reperfusion after endovascular therapy (mTICI of 2b or 3). In 3 age subgroups ( 〈  70, 70 to 〈  80, and ≥ 80 years), the mRS scores at 90 days were analyzed according to 4 categories of onset-to-reperfusion time ( 〈  180, 180 to 〈  240, 240 to 〈  300, and ≥ 300 min). In each age subgroup, the distributions of mRS scores were better with shorter onset-to-reperfusion times. The adjusted common odds ratios for better outcomes per 1-category delay in onset-to-reperfusion time were 0.66 (95% CI 0.55–0.80) in ages  〈  70 years, 0.66 (95% CI 0.56–0.79) in ages 70 to  〈  80 years, and 0.83 (95% CI 0.70–0.98) in ages ≥ 80 years. Early reperfusion was associated with better outcomes across all age subgroups. Achieving early successful reperfusion is important even in elderly patients.
    Type of Medium: Online Resource
    ISSN: 2045-2322
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2615211-3
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  • 3
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 9, No. 23 ( 2020-12)
    Abstract: Statins have been associated with reduced recurrence and better functional outcomes in patients with acute ischemic stroke. However, the effect of statins in patients with acute large vessel occlusion (LVO) is not well scrutinized. Methods and Results RESCUE (Recovery by Endovascular Salvage for Cerebral Ultra‐Acute Embolism)‐Japan Registry 2, a physician‐initiated registry, enrolled 2420 consecutive patients with acute LVO who were admitted to 46 centers across Japan within 24 hours of onset. We compared patients with and without statin use after acute LVO onset (statin group and nonstatin group, respectively) in terms of the modified Rankin scale at 90 days. We estimated that the odds ratios for the primary outcome was modified Rankin scale and we estimated the odds ratios for a 1‐scale lower modified Rankin scale adjusting for confounders. After excluding 12 patients without LVO and 9 patients without follow‐up, the mean age of 2399 patients was 75.9 years; men accounted for 55% of patients. Statins were administered to 447 (19%) patients after acute LVO onset. Patients in the statin group had more atherothrombotic cerebral infarctions (34.2% versus 12.1%, P 〈 0.0001), younger age (73.4 years versus 76.5 years, P 〈 0.0001), and lower median National Institutes of Health Stroke Scale on admission (14 versus 17, P 〈 0.0001) than the nonstatin group. The adjusted common OR of the statin group for lower modified Rankin scale was 1.29 (95% CI, 1.04–1.37; P =0.02). The mortality at 90 days was lower in the statin group (4.7%) than the nonstatin group (12.5%; P 〈 0.0001). The adjusted OR of the statin group relative to the nonstatin group for mortality was 0.36 (95% CI, 0.21–0.62; P =0.02). Conclusions Statin administration after acute LVO onset is significantly associated with better functional outcome and mortality at 90 days.
    Type of Medium: Online Resource
    ISSN: 2047-9980
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2020
    detail.hit.zdb_id: 2653953-6
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  • 4
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 7, No. 9 ( 2018-05)
    Abstract: Endovascular therapy has been shown to be effective in patients with acute cerebral large‐vessel occlusion, but real‐world efficacies are unknown. Methods and Results We conducted a prospective registry at 46 centers between October 2014 and January 2017. Eligible patients were those who were aged 20 years or older, with acute cerebral large‐vessel occlusion, and who were hospitalized within 24 hours of the onset. We enrolled both consecutive patients who were treated with or without endovascular therapy. Endovascular therapy included thrombectomy, balloon angioplasty, stenting, local fibrinolysis, and piercing. The primary outcome was a favorable outcome as defined by a modified Rankin Scale of 0 to 2 at 90 days after onset. Secondary outcomes were modified Rankin Scale of 0 to 1 and mortality. Safety outcomes were intracerebral hemorrhage or a recurrence of ischemic stroke. We constructed the 2242 (1121 each) propensity score–matched patients cohort based on a propensity score for endovascular therapy and estimated the adjusted odds ratio, followed by sensitivity analyses on original 2399 (1278 in endovascular therapy versus 1121 in no endovascular therapy) patients. In the propensity score–matched cohort, favorable outcomes were observed in 35.3% and 30.7% of patients in the endovascular therapy and no endovascular therapy groups, respectively ( P= 0.02). The adjusted odds ratio for the favorable outcome was 1.44 (95% confidence interval, 1.10–1.86, P =0.007). The efficacy of endovascular therapy in achieving favorable outcomes did not differ between our subgroups and in the sensitivity analyses. Conclusions Endovascular therapy decreased disabilities at 90 days in real‐world patients with acute cerebral large‐vessel occlusion. Clinical Trial Registration URL: http://www.clinicaltrials.gov . Unique identifier: NCT02419794.
    Type of Medium: Online Resource
    ISSN: 2047-9980
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2018
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  • 5
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 51, No. 5 ( 2020-05), p. 1458-1463
    Abstract: The treatment and prognosis of acute large vessel occlusion with mild symptoms have not been sufficiently studied. The present study aimed to investigate the clinical or radiological predictors of clinical outcome in patients with stroke with mild symptoms due to acute large vessel occlusion. Methods— Of 2420 patients with acute large vessel occlusion in the RESCUE-Japan Registry 2 (Recovery by Endovascular Salvage for Cerebral Ultra-Acute Embolism-Japan Registry 2), a multicenter prospective registry in Japan, patients with modified Rankin Scale scores of 0 to 2 before onset and initial National Institutes of Health Stroke Scale (NIHSS) scores of 0 to 5 were examined in post hoc analysis. We examined the clinical and radiological characteristics associated with a favorable outcome (modified Rankin Scale score, 0–2 at 90 days) using multivariate analysis, as well as the factors associated with a favorable outcome in patients treated with endovascular therapy. Results— We analyzed 272 patients (median age, 73 years; median NIHSS score on admission, 3). Eighty-six (31.6%) patients were treated with intravenous recombinant tissue-type plasminogen activator, 54 (19.9%) underwent endovascular therapy, and 208 (76.5%) showed a favorable outcome. In multivariate analysis, age 〈 75 years (odds ratio [OR], 2.42 [95% CI, 1.30–4.50] ), initial NIHSS score 0 to 3 (OR, 3.08 [95% CI, 1.59–5.98]), intravenous recombinant tissue-type plasminogen activator (OR, 2. 86 [95% CI, 1.32–6.21] ), and blood glucose level ≤140 mg/dL (OR, 2.37 [95% CI, 1.22–4.60]) were independently associated with a favorable outcome. However, endovascular therapy was not associated with a favorable outcome (OR, 1.65 [95% CI, 0.71–3.88] ). Among 54 patients treated with endovascular therapy, good reperfusion status was more common in the favorable outcome group (88.6% versus 60.0%; P 〈 0.05). Conclusions— Younger age, lower initial NIHSS score, intravenous recombinant tissue-type plasminogen activator, and absence of hyperglycemia were independently associated with a favorable outcome in patients with acute large vessel occlusion with low NIHSS scores. Registration— URL: https://www.clinicaltrials.gov ; Unique identifier: NCT02419794.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2020
    detail.hit.zdb_id: 1467823-8
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  • 6
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 53, No. 5 ( 2022-05), p. 1540-1549
    Abstract: The “1-3-6-12-day rule” for starting direct oral anticoagulants (DOACs) in patients with nonvalvular atrial fibrillation after acute ischemic stroke or transient ischemic attack recommends timings that may be later than used in clinical practice. We investigated more practical optimal timing of DOAC initiation according to stroke severity. Methods: The combined data of prospective registries in Japan, Stroke Acute Management with Urgent Risk-factor Assessment and Improvement-nonvalvular atrial fibrillation (September 2011 to March 2014) and RELAXED (February 2014 to April 2016) were used. Patients were divided into transient ischemic attack and 3 stroke subgroups by the National Institutes of Health Stroke Scale score: mild (0–7), moderate (8–15), and severe (≥16). The early treatment group was defined as patients starting DOACs earlier than the median initiation day in each subgroup. Outcomes included a composite of recurrent stroke or systemic embolism, ischemic stroke, and severe bleeding within 90 days. Six European prospective registries were used for validation. Results: In the 1797 derivation cohort patients, DOACs were started at median 2 days after transient ischemic attack and 3, 4, and 5 days after mild, moderate, and severe strokes, respectively. Stroke or systemic embolism was less common in Early Group (n=785)—initiating DOACS within 1, 2, 3, and 4 days, respectively—than Late Group (n=1012) (1.9% versus 3.9%; adjusted hazard ratio, 0.50 [95% CI, 0.27–0.89]), as was ischemic stroke (1.7% versus 3.2%, 0.54 [0.27–0.999] ). Major bleeding was similarly common in the 2 groups (0.8% versus 1.0%). On validation, both ischemic stroke (2.4% versus 2.2%) and intracranial hemorrhage (0.2% versus 0.6%) were similarly common in Early (n=547) and Late (n=1483) Groups defined using derivation data. Conclusions: In Japanese and European populations, early DOAC initiation within 1, 2, 3, or 4 days according to stroke severity seemed to be feasible to decrease the risk of recurrent stroke or systemic embolism and no increase in major bleeding. These findings support ongoing randomized trials to better establish the optimal timing of DOAC initiation.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
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  • 7
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 44, No. suppl_1 ( 2013-02)
    Abstract: Background and Purpose: The association between chronic kidney disease and clinical outcomes in acute intracerebral hemorrhage (ICH) remains uncertain. We aimed to assess associations of renal dysfunction and outcomes in acute ICH patients treated with intensive BP lowering. Methods: The SAMURAI-ICH study was a prospective, multicenter, observational study. A total of 211 patients with acute supratentorial ICH were recruited. BP was targeted between 120 mmHg and 160 mmHg during initial 24 h using intravenous nicardipine. Glomerular filtration rate (eGFR) was calculated using admission serum creatinine. After 23 patients on maintenance hemodialysis were excluded, the remaining 188 were divided into 3 groups as follows: Group 1, eGFR of 〈 60; Group 2, 60 to 75; and Group 3, ≥75 mL/min/1.73m 2 . Clinical outcomes were hematoma expansion of ≥33% at 24 h, neurological deterioration within 72 h (GCS decrement ≥2 points or NIHSS increment ≥4 points), and favorable (modified Rankin Scale [mRS] ≤2) and unfavorable (mRS ≥5) outcomes at 3 months. Results: Of 188 patients, 35 (18 women) were allocated to Group 1, 58 (20) to Group 2, and 95 (33) to Group 3. Significant differences among 3 groups were found in age (73.1±13.6, 63.3±13.2, 63.8±9.8 yo; p 〈 0.001) and initial systolic BP (208.9±18.1, 201.2±15.6, 200.2±14.8 mmHg; p=0.018). Initial hematoma volume (14.9±11.9, 15.5±14.9, 14.3±12.3 mL) and initial median NIHSS score (14, 11, 13) were similar among 3 groups. For outcomes, significant differences among 3 groups were found in favorable outcome (17.7%, 51.7%, 41.3%; p=0.004) and unfavorable outcome (22.9%, 10.3%, 5.3%; p=0.021), but not in hematoma expansion (17.1%, 10.3%, 22.1%) and neurological deterioration (11.4%, 8.6%, 7.4%). After adjustment with initial hematoma volume, initial systolic BP and initial NIHSS score, eGFR 〈 60 ml/min/1.73m 2 was inversely associated with favorable outcome (OR 0.20, 95% CI 0.07-0.54) and positively associated with unfavorable outcome (4.27, 1.36-13.53). Conclusions: Although decreased eGFR on admission was not associated with initial hematoma volume or initial NIHSS score, it was associated with poor outcomes at 3 months of ICH onset.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2013
    detail.hit.zdb_id: 1467823-8
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  • 8
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 44, No. 7 ( 2013-07), p. 1846-1851
    Abstract: Blood pressure (BP) lowering is often conducted as part of general acute management in patients with acute intracerebral hemorrhage. However, the relationship between BP after antihypertensive therapy and clinical outcomes is not fully known. Methods— Hyperacute ( 〈 3 hours from onset) intracerebral hemorrhage patients with initial systolic BP (SBP) 〉 180 mm Hg were included. All patients received intravenous antihypertensive treatment, based on predefined protocol to lower and maintain SBP between 120 and 160 mm Hg. BPs were measured every 15 minutes during the initial 2 hours and every 60 minutes in the next 22 hours (a total of 30 measurements). The mean achieved SBP was defined as the mean of 30 SBPs, and associations between the mean achieved SBP and neurological deterioration (≥2 points’ decrease in Glasgow Coma Score or ≥4 points’ increase in National Institutes of Health Stroke Scale score), hematoma expansion ( 〉 33% increase), and unfavorable outcome (modified Rankin Scale score 4–6 at 3 months) were assessed with multivariate logistic regression analyses. Results— Of the 211 patients (81 women, median age 65 [interquartile range, 58–74] years, and median initial National Institutes of Health Stroke Scale score 13 [8–17] ) enrolled, 17 (8%) showed neurological deterioration, 36 (17%) showed hematoma expansion, and 87 (41%) had an unfavorable outcome. On multivariate regression analyses, mean achieved SBP was independently associated with neurological deterioration (odds ratio, 4.45; 95% confidence interval, 2.03–9.74 per 10 mm Hg increment), hematoma expansion (1.86; 1.09–3.16), and unfavorable outcome (2.03; 1.24–3.33) after adjusting for known predictive factors. Conclusions— High achieved SBP after standardized antihypertensive therapy in hyperacute intracerebral hemorrhage was independently associated with poor clinical outcomes. Aggressive antihypertensive treatment may ameliorate clinical outcomes.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2013
    detail.hit.zdb_id: 1467823-8
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  • 9
    In: Journal of Hypertension, Ovid Technologies (Wolters Kluwer Health), Vol. 33, No. 5 ( 2015-05), p. 1069-1073
    Type of Medium: Online Resource
    ISSN: 0263-6352
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2015
    detail.hit.zdb_id: 2017684-3
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  • 10
    In: Hypertension Research, Springer Science and Business Media LLC, Vol. 46, No. 1 ( 2023-01), p. 75-83
    Abstract: The effects of acute systolic blood pressure levels achieved with continuous intravenous administration of nicardipine for Japanese patients with acute intracerebral hemorrhage on clinical outcomes were determined. A systematic review and individual participant data analysis of articles were performed based on prospective studies involving adults developing hyperacute intracerebral hemorrhage who were treated with intravenous nicardipine. Outcomes included death or disability at 90 days, defined as the modified Rankin Scale score of 4–6, and hematoma expansion, defined as an increase 6 mL or more from baseline to 24 h computed tomography. Of the total 499 Japanese patients (age 64.9 ± 11.8 years, 183 women, initial BP 203.5 ± 18.3/109.1 ± 17.2 mmHg) studied, death or disability occurred in 35.6%, and hematoma expansion occurred in 15.6%. Mean hourly systolic blood pressure during the initial 24 h was positively associated with death or disability (adjusted odds ratio 1.25, 95% confidence interval 1.03–1.52 per 10 mmHg) and hematoma expansion (1.49, 1.18–1.87). These odds ratios were relatively high as compared to the reported ones for overall global patients of this individual participant data analysis [1.12 (95% confidence interval 1.00–1.26) and 1.16 (1.02–1.32), respectively]. In conclusion, lower levels of systolic blood pressure by continuous intravenous nicardipine were associated with lower risks of hematoma expansion and 90-day death or disability in Japanese patients with hyperacute intracerebral hemorrhage. The impact of systolic blood pressure lowering on better outcome seemed to be stronger in Japanese patients than the global ones.
    Type of Medium: Online Resource
    ISSN: 0916-9636 , 1348-4214
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2110941-2
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