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Increasing age was associated with a lesser probability of functional independence at 90days (adjusted odds ratio (aOR), 0.94; [95% confidence intervals (CIs) 0.93-0.95]), higher odds of mortality at 90days (aOR, 1.05; [95% CIs 1.03-1.06]), and of sICH (aOR 1.03; [95% CIs 1.01-1.05]).
Patients aged 18-64years demonstrated better outcome after thrombectomy regarding functional independence, sICH, and mortality at 90days when compared to older ages.
Patients aged 18-64 years demonstrated better outcome after thrombectomy regarding functional independence, sICH, and mortality at 90 days when compared to older ages.Six randomized controlled clinical trials have assessed whether mechanical thrombectomy (MT) alone is non-inferior to intravenous thrombolysis (IVT) plus MT within 4.5 hours of symptom onset in patients with anterior circulation large vessel occlusion (LVO) ischaemic stroke and no contraindication to IVT. An expedited recommendation process was initiated by the European Stroke Organisation (ESO) and conducted with the European Society of Minimally Invasive Neurological Therapy (ESMINT) according to ESO standard operating procedure based on the GRADE system. We identified two relevant Population, Intervention, Comparator, Outcome (PICO) questions, performed systematic reviews and meta-analyses of the literature, assessed the quality of the available evidence and wrote evidence-based recommendations. Expert opinion was provided if insufficient evidence was available to provide recommendations based on the GRADE approach. For stroke patients with anterior circulation LVO directly admitted to a MT-capable centre ('mothership') within 4.5 hours of symptom onset and eligible for both treatments, we recommend IVT plus MT over MT alone (moderate evidence, strong recommendation). MT should not prevent the initiation of IVT, nor should IVT delay MT. In stroke patients with anterior circulation LVO admitted to a centre without MT facilities and eligible for IVT ≤4.5 hrs and MT, we recommend IVT followed by rapid transfer to a MT capable-centre ('drip-and-ship') in preference to omitting IVT (low evidence, strong recommendation). Expert consensus statements on ischaemic stroke on awakening from sleep are also provided. Patients with anterior circulation LVO stroke should receive IVT in addition to MT if they have no contraindications to either treatment.
To guide policy when planning thrombolysis (IVT) and thrombectomy (MT) services for acute stroke in England, focussing on the choice between 'mothership' (direct conveyance to an MT centre) and 'drip-and-ship' (secondary transfer) provision and the impact of bypassing local acute stroke centres.
Outcome-based modelling study.
107 acute stroke centres in England, 24 of which provide IVT and MT (IVT/MT centres) and 83 provide only IVT (IVT-only units).
242,874 emergency admissions with acute stroke over 3years (2015-2017).
Reperfusion delivered by drip-and-ship, mothership or 'hybrid' models; impact of additional travel time to directly access an IVT/MT centre by bypassing a more local IVT-only unit; effect of pre-hospital selection for large artery occlusion (LAO).
Population benefit from reperfusion, time to IVT and MT, admission numbers to IVT-only units and IVT/MT centres.
Without pre-hospital selection for LAO, 94% of the population of England live in areas where the greatest clinical benefitng may be used to help planners maximise benefit from reperfusion while creating a sustainable emergency stroke care system.
Implementation of reperfusion for acute stroke based solely on achieving the maximum population benefit potentially leads to destabilisation of the emergency stroke care system. Careful planning is required to create a sustainable system, and modelling may be used to help planners maximise benefit from reperfusion while creating a sustainable emergency stroke care system.
Tenecteplase has higher fibrin specificity with a longer half-life and the potential to achieve higher rates of recanalization than alteplase. A critical limitation of tenecteplase is no commercial use in Japan and no experience with its administration to Japanese patients.
Tenecteplase is superior to alteplase in achieving recanalization on the initial angiogram when administered ≤4.5-hour of stroke onset in patients planned for mechanical thrombectomy (MT) in Japan where alteplase at the unique dose of 0.6mg/kg is officially used.
The Tenecteplase versus alteplase For LArge Vessel Occlusion Recanalization (T-FLAVOR) trial is an investigator-initiated, phase II, multicenter, prospective, randomized, open-label, masked-endpoint, superiority study. SP 600125 negative control Eligibility criteria include acute ischemic stroke with pre-stroke modified Rankin Scale score ≤3 and large vessel occlusion (internal carotid artery, middle cerebral artery, or basilar artery) eligible for intravenous thrombolysis ≤4.5-hour and MT ≤6-hour of stroke onset. After completing the safety confirmation phase involving three patients who received non-masked tenecteplase (0.25mg/kg), 220 patients will be randomized to two groups (11), intravenous alteplase (0.6mg/kg
= 110) or tenecteplase (0.25mg/kg,
= 110), prior to MT.
In the safety confirmation phase, the primary outcome is symptomatic intracranial hemorrhage (sICH) ≤24-36-hour. In the randomized, comparative phase, the primary efficacy outcome is substantial angiographic reperfusion (mTICI grade 2b/2c/3) or absence of retrievable thrombus on the initial angiogram. The primary safety outcome is sICH ≤24-36-hour and 90-day mortality.
T-FLAVOR may help determine if tenecteplase should be recommended as a routine clinical strategy before MT for Japanese stroke patients.
jRCTs051210055.
jRCTs051210055.
Data on oral anticoagulant-related (OAC) intracerebral hemorrhage (ICH) incidence are scarce. Most studies on incidence time trends were performed before the introduction of Direct Oral Anticoagulants (DOACs). Between 2008 and 2018, the number of OAC-users in the Netherlands increased by 63%, with the number of DOAC-users almost equaling that of Vitamin K Antagonists (VKA)-users. We aimed to determine the recent total and OAC-related ICH incidence and assess changes over the last decade, including the effect of DOAC introduction.
All adult non-traumatic ICH patients presenting in any of three hospitals in the enclosed region of South-Limburg, the Netherlands, were retrospectively included, during two 3-year time periods 2007-2009 and 2017-2019. OAC-related ICH was defined as ICH in patients using VKAs or DOACs. We calculated the incidence rate ratio (IRR) between the two study periods.
In the 2007-2009 period, we registered 652 ICHs of whom 168 (25.8%) were OAC-related (all VKA). In the 2017-2019 periodthese findings.
To describe the association between factors routinely available in hyperacute care of spontaneous intracerebral haemorrhage (ICH) patients and functional outcome.
We searched Medline, Embase and CINAHL in February 2020 for original studies reporting associations between markers available within six hours of arrival in hospital and modified Rankin Scale (mRS) at least 6weeks post-ICH. A random-effects meta-analysis was performed where three or more studies were included.
Thirty studies were included describing 40 markers. Ten markers underwent meta-analysis and age (OR = 1.06; 95%CI = 1.05 to 1.06;
< 0.001), pre-morbid dependence (mRS, OR = 1.73; 95%CI = 1.52 to 1.96;
< 0.001), level of consciousness (Glasgow Coma Scale, OR = 0.82; 95%CI = 0.76 to 0.88;
< 0.001), stroke severity (National Institutes of Health Stroke Scale, OR=1.19; 95%CI = 1.13 to 1.25;
< 0.001), haematoma volume (OR = 1.12; 95%CI=1.07 to 1.16;
< 0.001), intraventricular haemorrhage (OR = 2.05; 95%CI = 1.68 ncorporating these in to accurate and precise models will help to ensure appropriate levels of care for individual patients.The safety and efficacy of mobile stroke units (MSUs) in prehospital stroke management has recently been investigated in different clinical studies. MSUs are ambulances equipped with a CT scanner, point-of-care lab, telemedicine and are staffed with a stroke specialised medical team. This European Stroke Organisation (ESO) guideline provides an up-to-date evidence-based recommendation to assist decision-makers in their choice on using MSUs for prehospital management of suspected stroke, which includes patients with acute ischaemic stroke (AIS), intracranial haemorrhage (ICH) and stroke mimics. The guidelines were developed according to the ESO standard operating procedure and Grading of Recommendations, Assessment, Development and Evaluation (GRADE) methodology. The working group identified relevant clinical questions, performed systematic reviews and aggregated data meta-analyses of the literature, assessed the quality of the available evidence and made specific recommendations. Expert consensus statements are provided where sufficient evidence was not available to provide recommendations based on the GRADE approach. We found moderate evidence for suggesting MSU management for patients with suspected stroke. The patient group diagnosed with AIS shows an improvement of functional outcomes at 90 days, reduced onset to treatment times and increased proportion receiving IVT within 60 min from onset. MSU management might be beneficial for patients with ICH as MSU management was associated with a higher proportion of ICH patients being primarily transported to tertiary care stroke centres. No safety concerns (all-cause mortality, proportion of stroke mimics treated with IVT, symptomatic intracranial bleeding and major extracranial bleeding) could be identified for all patients managed with a MSU compared to conventional care. We suggest MSU management to improve prehospital management of suspected stroke patients.[This retracts the article DOI 10.1177/23969873211026990.][This retracts the article DOI 10.1177/23969873211026998.][This retracts the article DOI 10.1177/23969873211027001.][This retracts the article DOI 10.1177/23969873211027002.][This retracts the article DOI 10.1177/23969873211027003.][This retracts the article DOI 10.1177/23969873211027006.].
Trials of tranexamic acid (TXA) in acute intracerebral hemorrhage (ICH) have focused on the imaging outcomes of intraparenchymal hematoma growth. However, intraventricular hemorrhage (IVH) growth is also strongly associated with outcome after ICH. Revised definitions of hematoma expansion incorporating IVH growth have been proposed.
We sought to evaluate the effect of TXA on IVH growth.
We analyzed data from the STOP-AUST trial, a prospective randomized trial comparing TXA to placebo in ICH patients presenting ≤ 4.5h from symptom onset with a CT-angiography spot sign. New IVH development at follow-up, any interval IVH growth, and IVH growth ≥ 1mL were compared between the treatment groups using logistic regression. The treatment effect of TXA against placebo using conventional (> 6mL or 33%), and revised definitions of hematoma expansion (> 6mL or 33% or IVH expansion ≥ 1mL, > 6mL or 33%, or any IVH expansion, and > 6mL or 33% or new IVH development) were also assessed. Treatment effects were adjusted for baseline ICH volume.
Website: https://www.selleckchem.com/products/sp-600125.html
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