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  • 1
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 51, No. 5 ( 2020-05), p. 1458-1463
    Kurzfassung: 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.
    Materialart: Online-Ressource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Sprache: Englisch
    Verlag: Ovid Technologies (Wolters Kluwer Health)
    Publikationsdatum: 2020
    ZDB Id: 1467823-8
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    In: International Journal of Stroke, SAGE Publications, Vol. 18, No. 4 ( 2023-04), p. 426-432
    Kurzfassung: We previously reported that dual antiplatelet therapy (DAPT) with cilostazol was superior to aspirin or clopidogrel for the prevention of recurrent stroke and vascular events in a subgroup analysis of intracranial arterial stenosis in the Cilostazol Stroke Prevention Study for Antiplatelet Combination ( CSPS.com ), a randomized controlled trial. Aims: We conducted another subgroup analysis to investigate the benefit of DAPT with cilostazol in patients with extracranial arterial stenosis (ECAS) and those without arterial stenosis. Methods: We compared the risk of recurrent ischemic stroke, vascular events, and major bleeding between DAPT with cilostazol plus aspirin or clopidogrel and aspirin or clopidogrel alone in patients with ischemic stroke between 8 and 180 days before starting trial treatment and ECAS or without arterial stenosis. Results: The median follow-up period was 1.4 years. The risk of recurrent ischemic stroke (hazard ratio (HR): 1.04, 95% confidence interval (CI): 0.42–2.57) and vascular events (HR: 0.97, 95% CI: 0.42–2.24) did not differ between the two groups for the 253 patients with ECAS, whereas they were lower (HR: 0.36, 95% CI: 0.18–0.74 and HR: 0.47, 95% CI: 0.26–0.85, respectively) in the DAPT group for the 944 patients without arterial stenosis. The risk of major bleeding did not differ between the groups in patients with ECAS (HR: 0.58, 95% CI: 0.05–6.39) or without arterial stenosis (HR: 0.79, 95% CI: 0.27–2.26). Conclusion: DAPT with cilostazol might be beneficial for prevention of recurrent stroke and vascular events in patients without arterial stenosis but not in those with ECAS. Data access statement: We will make the deidentified participant data from this research available to the scientific community with as few restrictions as feasible, while retaining exclusive use until the publication of major output.
    Materialart: Online-Ressource
    ISSN: 1747-4930 , 1747-4949
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2023
    ZDB Id: 2211666-7
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 50, No. 4 ( 2019-04), p. 901-908
    Kurzfassung: 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.
    Materialart: Online-Ressource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Sprache: Englisch
    Verlag: Ovid Technologies (Wolters Kluwer Health)
    Publikationsdatum: 2019
    ZDB Id: 1467823-8
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    In: Scientific Reports, Springer Science and Business Media LLC, Vol. 11, No. 1 ( 2021-06-17)
    Kurzfassung: 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.
    Materialart: Online-Ressource
    ISSN: 2045-2322
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2021
    ZDB Id: 2615211-3
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 9, No. 23 ( 2020-12)
    Kurzfassung: 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.
    Materialart: Online-Ressource
    ISSN: 2047-9980
    Sprache: Englisch
    Verlag: Ovid Technologies (Wolters Kluwer Health)
    Publikationsdatum: 2020
    ZDB Id: 2653953-6
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    In: Scientific Reports, Springer Science and Business Media LLC, Vol. 10, No. 1 ( 2020-03-18)
    Kurzfassung: As the goal of mechanical thrombectomy is shifting toward mTICI-3 rather than mTICI-2b, we sought to clarify the limitation of the effect of mTICI-3. A post-hoc analysis of a registry of large-vessel occlusion stroke from 46 centers was conducted. Among 2,420 registered patients, 725 patients with anterior circulation occlusion who achieved successful reperfusion were analyzed. We compared outcomes between patients with mTICI-3 and mTICI-2b, and investigated how the effect of mTICI-3 changed according to baseline characteristics and time course. The proportion of patients with favorable outcomes (mRS 0–2 at day 90) was higher among patients with mTICI-3 compared to those with mTICI-2b (adjusted OR, 2.10; 95% CI, 1.49–2.97). There was no heterogeneity in the effect of mTICI-3 with respect to age, neurological deficit, alteplase use, occluded vessels, or infarct size. mTICI-3 was associated with favorable outcomes when the puncture-to-reperfusion time was 〈 80 minutes (adjusted OR, 2.28; 95% CI, 1.52–3.41), but not when the puncture-to-reperfusion time was ≥80 minutes. A significant heterogeneity was found in the effect of mTICI-3 reperfusion across the puncture-to-reperfusion time subgroups (P for interaction = 0.025). Until when operators should continue the procedure after mTICI-2b has been achieved, needs to be studied.
    Materialart: Online-Ressource
    ISSN: 2045-2322
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2020
    ZDB Id: 2615211-3
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 7, No. 9 ( 2018-05)
    Kurzfassung: 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.
    Materialart: Online-Ressource
    ISSN: 2047-9980
    Sprache: Englisch
    Verlag: Ovid Technologies (Wolters Kluwer Health)
    Publikationsdatum: 2018
    ZDB Id: 2653953-6
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    In: Thrombosis and Haemostasis, Georg Thieme Verlag KG, Vol. 116, No. 08 ( 2016-02), p. 356-368
    Kurzfassung: Several studies have indicated that approximately 25% of patients treated with aspirin exhibit high on-treatment platelet reactivity (HTPR), which is potentially associated with cardiovascular events (CVEs). However, this association is still controversial, since the mechanisms by which HTPR contributes to CVEs remain unclear and a no standardised definition of HTPR has been established. To determine whether HTPR is associated with CVE recurrence and what type of assay would best predict CVE recurrence, we conducted a multicentre prospective cohort study of 592 stable cardiovascular outpatients treated with aspirin monotherapy for secondary prevention. Their HTPR was determined by arachidonic acid- or collagen-induced aggregation assays using two different agonist concentrations. Residual cyclooxygenase (COX)-1 activity was assessed by measuring serum thromboxane (TX)B2 or urinary 11-dehydro TXB2. Shear-induced platelet thrombus formation was also examined. We followed all patients for two years to evaluate how these seven indexes were related to the recurrence of CVEs (cerebral infarction, transient ischaemic attack, myocardial infarction, unstable angina, revascularisation, other arterial thrombosis, or cardiovascular death). Of 583 patients eligible for the analysis, CVEs occurred in 69 (11.8%). A Cox regression model identified several classical risk factors associated with CVEs. However, neither HTPR nor high residual COX-1 activity was significantly associated with CVEs, even by applying cut-off values suggested in previous reports or a receiver-operating characteristic analysis. In conclusion, recurrence of CVEs occurred independently of HTPR and residual COX-1 activity. Thus, our findings do not support the use of platelet or COX-1 functional testing for predicting clinical outcomes in stable cardiovascular patients. Supplementary Material to this article is available at www.thrombosis-online.com.
    Materialart: Online-Ressource
    ISSN: 0340-6245 , 2567-689X
    Sprache: Englisch
    Verlag: Georg Thieme Verlag KG
    Publikationsdatum: 2016
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    In: Neurology, Ovid Technologies (Wolters Kluwer Health), Vol. 98, No. 10 ( 2022-03-8), p. e983-e992
    Kurzfassung: Long-term treatment with the combination of cilostazol with aspirin or clopidogrel showed a lower risk of stroke recurrence compared to aspirin or clopidogrel alone after high-risk noncardioembolic ischemic stroke in a randomized trial. We aimed to determine whether the effect of the dual medication compared to monotherapy on risk of recurrent ischemic stroke differs according to timing of starting medication after stroke onset. Methods In a subanalysis of the randomized controlled trial, patients between 8 and 180 days after stroke onset were randomly assigned to receive aspirin or clopidogrel alone or a combination of cilostazol with aspirin or clopidogrel. They were divided into 3 groups according to the timing of starting trial treatment: between 8 and 14 days after stroke onset (8–14 days group), between 15 and 28 days after stroke onset (15–28 days group), and between 29 and 180 days after stroke onset (29–180 days group). The primary efficacy outcome was the first recurrence of ischemic stroke. Safety outcomes included severe or life-threatening bleeding. Results Of 1,879 patients, 498 belonged to the 8–14 days group, 467 to the 15–28 days group, and 914 to the 29–180 days group. There was a significant treatment-by-subgroup interaction for the recurrence of ischemic stroke between trial treatment and trichotomized groups. The recurrence of ischemic stroke was less common with dual therapy than with monotherapy in the 15–28 days group (annualized rate 1.5% vs 4.9%, respectively; adjusted hazard ratio 0.34 [95% CI 0.12–0.95]) and the 29–180 days group (1.9% vs 4.4%, respectively; 0.27 [0.12–0.63] ) and similarly common in the 8–14 days group (4.5% for both; 1.02 [0.51–2.04]). Severe or life-threatening bleeding occurred similarly between patients on dual therapy and those on monotherapy in any of the trichotomized groups (crude hazard ratio 0.22 [95% CI 0.03–1.88] in the 8–14 days group, 1.07 [0.15–7.60] in the 15–28 days group, and 0.76 [0.24–2.39] in the 29–180 days group). Discussion Long-term dual antiplatelet therapy using cilostazol starting 15–180 days after stroke onset, compared to therapy started 8–14 days after onset, was more effective for secondary stroke prevention than monotherapy without increasing hemorrhage risk. Trial Registration Information ClinicalTrials.gov NCT01995370; UMIN Clinical Trials Registry 000012180. Classification of Evidence This study provides Class II evidence that for patients with acute noncardioembolic stroke taking either aspirin or clopidogrel, the addition of cilostazol 15–180 days after stroke onset decreases the risk of recurrent ischemic stroke.
    Materialart: Online-Ressource
    ISSN: 0028-3878 , 1526-632X
    RVK:
    Sprache: Englisch
    Verlag: Ovid Technologies (Wolters Kluwer Health)
    Publikationsdatum: 2022
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 49, No. Suppl_1 ( 2018-01-22)
    Kurzfassung: Introduction: Several randomized trials showed the endovascular thrombectomy (EVT) was effective in patients with acute cerebral large vessel occlusion, but the efficacy to general patients were unknown. Methods: Recovery by Endovascular Salvage for Cerebral Ultra-acute Embolism (RESCUE)-Japan Registry 2 was prospective registry of acute cerebral large vessel occlusion at centers in Japan. The patients were 20 years or elder and admitted within 24 hours after the onset of cerebral large vessel occlusion in both anterior and posterior circulation. Primary endpoint was good outcome defined by modified Rankin Scale (mRS) of 0-2 at 90 days after onset. Secondary endpoint was mortality. Adjusted odds ratio (OR) was estimated by logistic regression model accounted for potential confounders. Safety endpoints were all bleeding included intracerebral hemorrhage, gastrointestinal bleedings, recurrence of stroke, and other adverse events within 90 days. Results: Consecutive 2420 patients were recruited from October 2014 to September 2016, and follow-up ended at January 2017. Excluding 12 patients who did not meet inclusion criteria, 1281 patients were treated with EVT and 1127 were without. Mean age was 75 and 77 years in EVT and no-EVT groups, respectively. Posterior circulation accounted for 13% in both groups. Intravenous alteplase was administered in 47% and 32% of EVT and no-EVT groups, respectively. Good outcome was observed in 41.7% and 30.7% the EVT group and no-EVT group, respectively (p 〈 0.0001). Adjusted OR of good outcome of EVT relative to no-EVT was 1.79 (95%CI: 1.39-2.29). Prespecified subgroup analyses showed the EVT was effective in anterior circulation [adjusted OR 1.7 (95%CI 1.3-2.2)] while not effective in posterior circulation [adjusted OR 1.3. (95%CI 0.6-3.0)] (interaction p=0.34). The mortality was 8.8% and 13.6% in EVT group and no-EVT group (p=0.0002). Intracerebral bleeding occurred within 72 hours from onset in 26% in EVT group while 19% in no-EVT group (p 〈 0.0001). Conclusions: EVT was shown effective in general patients with acute cerebral large vessel occlusion in terms of mRS and mortality at 90 days. The indication of EVT for posterior circulation should be reconsidered. 〈 !--EndFragment-- 〉
    Materialart: Online-Ressource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Sprache: Englisch
    Verlag: Ovid Technologies (Wolters Kluwer Health)
    Publikationsdatum: 2018
    ZDB Id: 1467823-8
    Standort Signatur Einschränkungen Verfügbarkeit
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