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140 result(s) for "Steiner, Thorsten"
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Fresh frozen plasma versus prothrombin complex concentrate in patients with intracranial haemorrhage related to vitamin K antagonists (INCH): a randomised trial
Haematoma expansion is a major cause of mortality in intracranial haemorrhage related to vitamin K antagonists (VKA-ICH). Normalisation of the international normalised ratio (INR) is recommended, but optimum haemostatic management is controversial. We assessed the safety and efficacy of fresh frozen plasma (FFP) versus prothrombin complex concentrate (PCC) in patients with VKA-ICH. We did an investigator-initiated, multicentre, prospective, randomised, open-label, blinded-endpoint trial. Patients aged at least 18 years with VKA-ICH who presented within 12 h after symptom onset with an INR of at least 2·0 were randomly assigned (1:1) by numbered sealed envelopes to 20 mL/kg of intravenous FFP or 30 IU/kg of intravenous four-factor PCC within 1 h after initial cerebral CT scan. The primary endpoint was the proportion of patients with INR 1·2 or lower within 3 h of treatment initiation. Masking of treatment was not possible, but the primary analysis was observer masked. Analyses were done using a treated-as-randomised approach. This trial is registered with EudraCT, number 2008-005653-37, and ClinicalTrials.gov, number NCT00928915. Between Aug 7, 2009, and Jan 9, 2015, 54 patients were randomly assigned (26 to FFP and 28 to PCC) and 50 received study drug (23 FFP and 27 PCC). The trial was terminated on Feb 6, 2015, after inclusion of 50 patients after a safety analysis because of safety concerns. Two (9%) of 23 patients in the FFP group versus 18 (67%) of 27 in the PCC group reached the primary endpoint (adjusted odds ratio 30·6, 95% CI 4·7–197·9; p=0·0003). 13 patients died: eight (35%) of 23 in the FFP group (five from haematoma expansion, all occurring within 48 h after symptom onset) and five (19%) of 27 in the PCC group (none from haematoma expansion), the first of which occurred on day 5 after start of treatment. Three thromboembolic events occurred within 3 days (one in the FFP group and two in the PCC group), and six after day 12 (one and five). 43 serious adverse events (20 in the FFP group and 23 in the PCC group) occurred in 26 patients. Six serious adverse events were judged to be FFP related (four cases of haematoma expansion, one anaphylactic reaction, and one ischaemic stroke) and two PCC related (ischaemic stroke and pulmonary embolism). In patients with VKA-related intracranial hemorrhage, four-factor PCC might be superior to FFP with respect to normalising the INR, and faster INR normalisation seemed to be associated with smaller haematoma expansion. Although an effect of PCC on clinical outcomes remains to be shown, our data favour the use of PCC over FFP in intracranial haemorrhage related to VKA. Octapharma.
Efficacy and Safety of Recombinant Activated Factor VII for Acute Intracerebral Hemorrhage
In a previous phase 2 placebo-controlled trial, recombinant activated factor VII (rFVIIa) reduced growth of the hematoma and improved survival and functional outcome in patients with intracerebral hemorrhage. Those findings were not reproduced in this phase 3 trial, in which rFVIIa reduced hematoma growth but did not improve clinical outcomes. In this phase 3 trial, recombinant activated factor VII (rFVIIa) reduced hematoma growth but did not improve clinical outcomes in patients with intracerebral hemorrhage. Intracerebral hemorrhage is the most devastating form of stroke. Approximately 40% of patients with intracerebral hemorrhage die within 30 days, and the majority of survivors are left with severe disability. 1 , 2 Hematoma growth occurs in up to 70% of patients who have intracerebral hemorrhage documented by computed tomographic (CT) scanning performed within 3 hours after the onset of symptoms. 3 , 4 Furthermore, hemorrhage expansion is an independent determinant of death and disability. 4 In addition to intracerebral-hemorrhage growth, other predictors of poor outcome include age, baseline volume of the hemorrhage, Glasgow Coma Scale score, intraventricular hemorrhage, and infratentorial location. 5 There is no . . .
Prothrombin complex concentrate for reversal of oral anticoagulants in patients with oral anticoagulation-related critical bleeding: a systematic review of randomised clinical trials
Background Swift reversal of oral anticoagulation is deemed essential for the outcome of patients with anticoagulation-related critical bleeding. The aim of this systematic review was to evaluate the benefits and harms of prothrombin complex concentrate (PCC) in patients with oral anticoagulants-related critical bleeding. Methods For this systematic review CENTRAL, MEDLINE, Embase, LILACS, BIOSIS, Web of Science, and clinical trial registries were systematically searched. Clinical study reports were also requested from competent authorities. Eligible for inclusion were randomised clinical trials comparing PCC versus no intervention, placebo, or other reversal interventions in participants with critical bleeding related to ongoing treatment with vitamin K antagonist (VKA) or direct oral anticoagulants (DOAC). Pre-specified primary outcomes were all-cause mortality, health-related quality of life, and serious adverse events for which meta-analyses, Trial Sequential Analysis, and GRADE assessments were conducted. Results Three trials, randomising a total of 291 participants, evaluated PCC against two different active comparators in participants with VKA-related critical bleeding, and two trials, randomising a total of 534 participants, evaluated PCC against two different active comparators in participants with factor Xa-related critical bleeding. Among participants with VKA-related critical bleeding, meta-analyses showed no evidence of a difference between PCC versus fresh frozen plasma (FFP) when assessing all-cause mortality (risk ratio [RR] 1.05; 95% confidence interval (CI) 0.27 to 4.05; low certainty), health-related quality of life (mean difference 1.04; 95% CI − 0.94 to 3.02; very low certainty), and serious adverse events (RR 1.33; 95% CI 0.94 to 1.88; very low certainty), but information is currently sparse. Among participants with factor Xa-related critical bleeding, PCC could not be shown superior or inferior to other reversal strategies (FFP or andexanet alfa) on any patient-relevant outcome, but information is currently sparse. Conclusion Among participants with VKA or DOAC-related critical bleeding, evidence from randomised clinical trials is currently insufficient to establish if PCC is superior or inferior versus other interventions in decreasing the risk of undesirable patient-relevant outcomes or improving health-related quality of life.
Recombinant Activated Factor VII for Acute Intracerebral Hemorrhage
In this randomized trial, treatment of patients with intracerebral hemorrhage with recombinant activated factor VII (rFVIIa) within four hours after the onset of bleeding reduced the growth of the hematoma and the rates of disability and mortality (90-day mortality was 18 percent with rFVIIa and 29 percent with placebo). Serious thromboembolic adverse events were more common among patients treated with rFVIIa than among those who received placebo. Despite the higher rates of some complications, early treatment with rFVIIa improved functional outcomes and survival among patients with intracerebral hemorrhage. Intracerebral hemorrhage is one of the most disabling forms of stroke. More than one third of patients with this disorder die within one month after the onset of symptoms, and only 20 percent regain functional independence. 1 There is currently no effective treatment for intracerebral hemorrhage. 2 The volume of the hematoma is a critical determinant of mortality and functional outcome after intracerebral hemorrhage, 3 , 4 and early hematoma growth is an important cause of neurologic deterioration. 5 – 8 An increase in volume of more than 33 percent is detectable on repeated computed tomography (CT) in 38 percent of patients initially scanned within three . . .
Prognostication after intracerebral hemorrhage: a review
Approximately half of patients with spontaneous intracerebral hemorrhage (ICH) die within 1 year. Prognostication in this context is of great importance, to guide goals of care discussions, clinical decision-making, and risk stratification. However, available prognostic scores are hardly used in clinical practice. The purpose of this review article is to identify existing outcome prediction scores for spontaneous intracerebral hemorrhage (ICH) discuss their shortcomings, and to suggest how to create and validate more useful scores. Through a literature review this article identifies existing ICH outcome prediction models. Using the Essen-ICH-score as an example, we demonstrate a complete score validation including discrimination, calibration and net benefit calculations. Score performance is illustrated in the Erlangen UKER-ICH-cohort (NCT03183167). We identified 19 prediction scores, half of which used mortality as endpoint, the remainder used disability, typically the dichotomized modified Rankin score assessed at variable time points after the index ICH. Complete score validation by our criteria was only available for the max-ICH score. Our validation of the Essen-ICH-score regarding prediction of unfavorable outcome showed good discrimination (area under the curve 0.87), fair calibration (calibration intercept 1.0, slope 0.84), and an overall net benefit of using the score as a decision tool. We discuss methodological pitfalls of prediction scores, e.g. the withdrawal of care (WOC) bias, physiological predictor variables that are often neglected by authors of clinical scores, and incomplete score validation. Future scores need to integrate new predictor variables, patient-reported outcome measures, and reduce the WOC bias. Validation needs to be standardized and thorough. Lastly, we discuss the integration of current ICH scoring systems in clinical practice with the awareness of their shortcomings. Presently available prognostic scores for ICH do not fulfill essential quality standards. Novel prognostic scores need to be developed to inform the design of research studies and improve clinical care in patients with ICH.
Treatment of Warfarin-Associated Intracerebral Hemorrhage: Literature Review and Expert Opinion
Wider use of oral anticoagulants has led to an increasing frequency of warfarin-related intracerebral hemorrhage (ICH). The high early mortality of approximately 50% has remained stable in recent decades. In contrast to spontaneous ICH, the duration of bleeding is 12 to 24 hours in many patients, offering a longer opportunity for intervention. Treatment varies widely, and optimal therapy has yet to be defined. An OVID search was conducted from January 1996 to January 2006, combining the terms warfarin or anticoagulation with intracranial hemorrhage or intracerebral hemorrhage. Seven experts on clinical stroke, neurologic intensive care, and hematology were provided with the available information and were asked to independently address 3 clinical scenarios about acute reversal and resumption of anticoagulation in the setting of warfarin-associated ICH. No randomized trials assessing clinical outcomes were found on management of warfarin-associated ICH. All experts agreed that anticoagulation should be urgently reversed, but how to achieve it varied from use of prothrombin complex concentrates only (3 experts) to recombinant factor VIIa only (2 experts) to recombinant factor VIIa along with fresh frozen plasma (1 expert) and prothrombin complex concentrates or fresh frozen plasma (1 expert). All experts favored resumption of warfarin therapy within 3 to 10 days of ICH in stable patients in whom subsequent anticoagulation is mandatory. No general agreement occurred regarding subsequent anticoagulation of patients with atrial fibrillation who survived warfarin-associated ICH. For warfarin-associated ICH, discontinuing warfarin therapy with administration of vitamin K does not reverse the hemostatic defect for many hours and is inadequate. Reasonable management based on expert opinion includes a wide range of additional measures to reverse anticoagulation in the absence of solid evidence.
Guillain-Barré syndrome and SARS-CoV-2
Since January 2020, after Chinese health authorities identified a new type of coronavirus (SARS-CoV-2), the virus has spread throughout China and consecutively throughout the whole world. The most common symptoms include fever and respiratory tract symptoms. Nevertheless, some patients show less common symptoms such as gastrointestinal or neurological manifestations. This article presents the case of a 65-years old man who was presumptively infected with SARS-CoV-2 during his ski vacation in Austria in March 2020 and acutely presented with typical symptoms of Guillain-Barré syndrome.
Vojta therapy improves postural control in very early stroke rehabilitation: a randomised controlled pilot trial
It is still unclear, which physiotherapeutic approaches are most effective in stroke recovery. Vojta therapy is a type of physiotherapy that was originally developed for children and adolescents with cerebral palsy. Vojta therapy has been reported to improve automatic control of body posture. Because acute stroke patients are characterised by a disturbance in the ability to adapt to changes in body position, requiring automatic postural adjustment, we decided to investigate Vojta therapy in the early rehabilitation of stroke patients. Aim of the trial was to test the hypothesis that Vojta therapy - as a new physiotherapeutic approach in early stroke recovery - improves postural control and motor function in patients with acute ischaemic stroke (AIS) or intracerebral haemorrhage (ICH). This prospective, randomised controlled trial included patients with imaging-confirmed AIS or ICH, severe hemiparesis and randomly assigned them to Vojta therapy or standard physiotherapy within 72 h after stroke onset. Main exclusion criterion was restricted ability to communicate. Primary endpoint was the improvement of postural control measured by the Trunk Control Test (TCT) on day 9 after admission. Secondary endpoint among others was improvement of arm function (measured with Motor Evaluation Scale for Upper Extremity in Stroke Patients [MESUPES]). Forty patients (20 per group) were randomised into the trial. Median age was 75 (66-80) years, 50% were women. The median improvement in TCT within 9 days was 25.5 points (=25.5%) (interquartile range [IQR] 12.5-42.5) in the Vojta group and 0 (IQR 0-13) in the control group (  = 0.001). Patients treated with Vojta therapy achieved a greater improvement in the MESUPES than patients in the control group (20% vs 10%,  = 0.006). This first randomised controlled trial of Vojta therapy in acute stroke patients demonstrates improvement of postural control through Vojta therapy compared to standard physiotherapy. Although this trial has some methodical weaknesses, Vojta therapy might be a promising approach in early stroke rehabilitation and should be studied in larger trials. ClinicalTrials.gov; Unique identifier: NCT03035968. Registered 30 January 2017 - Retrospectively registered; http://www.clinicaltrials.gov.
Expert opinion paper on atrial fibrillation detection after ischemic stroke
This expert opinion paper on atrial fibrillation detection after ischemic stroke includes a statement of the “Heart and Brain” consortium of the German Cardiac Society and the German Stroke Society. This paper was endorsed by the Stroke Unit-Commission of the German Stroke Society and the German Atrial Fibrillation NETwork. In patients with ischemic stroke, detection of atrial fibrillation should usually lead to a change in secondary stroke prevention, since oral anticoagulation is superior to antiplatelet drugs. The detection of previously undiagnosed atrial fibrillation can be improved in patients with ischemic stroke to optimize stroke prevention. This paper summarizes the present knowledge on atrial fibrillation detection after ischemic stroke. We propose an interdisciplinary standard for a “structured analysis of ECG monitoring” on the stroke unit as well as a staged diagnostic scheme for the detection of atrial fibrillation. Since the optimal duration and mode of ECG monitoring has not yet been finally established, this paper is intended to give advice to physicians who are involved in stroke care. In line with the nature of an expert opinion paper, labeling of classes of recommendations is not provided, since many statements are based on the expert opinion, reported case series and clinical experience. Therefore, this paper is not intended as a guideline.
Comparison of the European and Japanese Guidelines for the Management of Ischemic Stroke
Background: Different aspects of acute stroke management and strategies for stroke prevention derive from two viewpoints: specific traditional and historical backgrounds and evidence-based medicine from modern randomized controlled trials (RCTs), meta-analysis and authorized clinical practice guidelines (GLs). Regarding stroke, GLs have been published by national and international organizations in different languages, most frequently in English. Cerebrovascular Diseases published the European GLs for the management of ischemic stroke and transient ischemic attacks in 2003, with an update in 2008. At about the same time (in 2004), the first Japanese GLs for the management of stroke appeared in Japanese. The first English version of the updated Japanese GLs was published only in 2011 and included differently approved drugs and drug dosages as compared with other American or European countries. Methods: Since 2011, the authors have met repeatedly and have compared the latest versions of published European and Japanese GLs for ischemic and hemorrhagic strokes. Many aspects have only been addressed in one but left out in the other GLs, which consequently founded the basis for the comparison. Classification of evidence levels and recommendation grades defined by the individual committees differed between both original GLs. Results: Aspects of major importance were surprisingly similar and hence did not need extensive interpretation. Other aspects of ischemic stroke management differed significantly, e.g. the dosage of recombinant tissue plasminogen activator approved in Japan is lower (0.6 mg/kg) than in Europe (0.9 mg/kg), which derived from different practices in cardiovascular treatment prior to the design of acute ischemic stroke RCTs. Furthermore, comedication with neuroprotective agents (edaravone), intravenous anticoagulants (argatroban) or antiplatelet agents within 1-2 days after stroke onset is recommended in Japan but not in Europe. For cardioembolic stroke prevention, a major difference consists in a higher international normalized ratio target (2.0-3.0) in younger subjects versus in those >70 years (1.6-2.6), without age restrictions in Europe. Conclusion: This brief survey - when compared with the lengthy original recommendations - provides a stimulating basis for an extended interest among Japanese and European stroke clinicians to learn from their individual experiences and to strengthen efforts for joint cooperation in treating and preventing stroke all around the globe.