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Background and Purpose: The benefit of thrombectomy (TE) for acute ischemic stroke (AIS) in patients suffering basilar artery occlusion (BAO) is still unclear. Our aim was to analyze functional outcome after 3 months in BAO compared to anterior circulation large vessel occlusion (ACLVO) in a nationwide registry. Methods: Patients enrolled into the Austrian Endostroke Registry from 2013 to 2018 were analyzed. We used propensity score matching to control for imbalances and to compare patients with BAO and ACLVO. The primary outcome was favorable functional outcome after 3 months measured by the modified Rankin Scale (mRS) (0–2). Multivariate models were applied to estimate the effect of localization (BAO vs ACLVO). Results: In total, 2288 patients underwent TE for AIS with proximal vessel occlusion, of these 267 with BAO. Two hundred and sixty-four patients with BAO were matched to 264 patients with ACLVO. Baseline characteristics were well-balanced. The 90-day mortality did not significantly differ between patients with BAO and ACLVO. In a multivariate logistic regression model, we did not detect a significant difference in functional outcome between BAO and ACLVO (odds ratio for favorable outcome defined as mRS = 0–2: 1.19; 95% confidence interval (CI) = 0.78–1.81; p = 0.42). In patients with an onset-to-door-time ⩾270 min, TE of BAO was associated with poor functional outcome defined as mRS 3–6 (odds ratio (OR) = 3.97; 95% CI = 1.32–11.94; p = 0.01) as compared to ACLVO. Conclusion: In this study, functional outcome did not differ after TE in patients with BAO and ACLVO overall; however, we detected an association of BAO with poor outcome in patients arriving late. [ABSTRACT FROM AUTHOR]

Multiple sclerosis is a complex, autoimmune-mediated disease of the central nervous system characterized by inflammatory demyelination and axonal/neuronal damage. The approval of various disease-modifying therapies and our increased understanding of disease mechanisms and evolution in recent years have significantly changed the prognosis and course of the disease. This update of the Multiple Sclerosis Therapy Consensus Group treatment recommendation focuses on the most important recommendations for disease-modifying therapies of multiple sclerosis in 2021. Our recommendations are based on current scientific evidence and apply to those medications approved in wide parts of Europe, particularly German-speaking countries (Germany, Austria, and Switzerland). [ABSTRACT FROM AUTHOR]

Key Clinical Message: Progressive multifocal leukoencephalopathy (PML) is a severe infectious brain disease with lethal outcome mainly seen in immunocompromised subjects. Herein, we describe a new form of PML with different outcome which was observed in patients suffering from systemic sarcoidosis. Thus, we raise the question whether preexisting sarcoidosis might predispose for or even trigger PML. Progressive multifocal leukoencephalopathy (PML) is a severe infectious brain disease with lethal outcome mainly seen in immunocompromised subjects. Herein, we describe a new form of PML with different outcome which was observed in patients suffering from systemic sarcoidosis. Thus, we raise the question whether preexisting sarcoidosis might predispose for or even trigger PML. [ABSTRACT FROM AUTHOR]

This study investigates the remote effects of botulinum toxin injections by examining the motor unit architecture of noninjected distant muscles. In 21 dystonia patients treated with botulinum toxin (n = 11, mean cumulative dose = 815 mU; n = 10, mean cumulative dose = 7,207 mU) and 10 control individuals, a blinded single-fiber electromyography of the vastus lateralis muscle was performed. The main outcome measure was fiber density (FD), thus measuring the effect of different cumulative doses on remote reinnervation. FD was normal in all patients treated with botulinum toxin. FD did not differ between the three groups studied. No relationship was found between FD and cumulative dose. Therefore, in this specific patient population, muscles remote to the site of injection showed no FD change months after the injection. We conclude that there was no evidence of remote reinnervation and remodelling of motor units with cumulative chemodenervation.Copyright © 2000 S. Karger AG, Basel [ABSTRACT FROM AUTHOR]

In 28 patients of a neurological rehabilitation unit of a hospital the use of enteral nutrition via percutaneous endoscopic gastrostomy (PEG) tubes was reviewed. During a total observation period of 5,172 days no life-threatening complications occurred. Minor complications were observed in 12 patients (43%) in the first 2 weeks after the insertion and in 5 patients (18%) afterwards. The nutritional status stabilized in all subjects. Transient PEG feeding was performed in 11 patients (39%) with a mean duration of 150 days. We conclude that hesitation in the application of PEG feeding in neurological rehabilitation should be abandoned. The timing and monitoring of PEG feeding in patients undergoing neurological rehabilitation for acute remitting neurological disorders is discussed. [ABSTRACT FROM AUTHOR]

Background:In 2008 the Austrian Task Force for Neuromyelitis Optica (NMO) started a nation-wide network for information exchange and multi-centre collaboration. Their aim was to detect all patients with NMO or NMO spectrum disorders (NMO-SD) in Austria and to analyse their disease courses and response to treatment. Methods:(1) As of March 2008, 1957 serum samples (of 1557 patients) have been tested with an established cell based immunofluorescence aquaporin-4 antibody (AQP4-ab) assay with a high sensitivity and specificity (both >95%). All tests were performed in a single reference laboratory (Clinical Dept. of Neurology of the Innsbruck Medical University). (2) A nation-wide survey with several calls for participation (via email newsletters, articles in the official journal of the Austrian Society of Neurology, and workshops) was initiated in 2008. All collected data will be presented in a way that allows that every individual patient can be traced back in order to ensure transparency and to avoid any data distortion in future meta-analyses. The careful and detailed presentation allows the visualization and comparison of the different disease courses in real time span. Failure and response to treatment are made visible at one glance. Database closure was 31 December 2011. All co-operators were offered co-authorship. Results:All 71 NMO- or NMO-SD patients with AQP4-ab positivity (age range 12.3 to 79.6 years) were analysed in detail. Sex ratio (m:f = 1:7) and the proportion of patients without oligoclonal bands in cerebrospinal fluid (86.6%) were in line with previously published results. All identified patients were Caucasians. Conclusions:A nationwide collaboration amongst Austrian neurologists with good network communications made it possible to establish a database of 71 AQP4-ab positive patients with NMO/NMO-SD. This database is presented in detail and provides the basis for further studies and international cooperation in order to investigate this rare disease. [ABSTRACT FROM AUTHOR]

A letter to the editor is presented in response to an article on a randomized, double-blind, placebo-controlled study on the effect of melatonin on the sleep quality of parkinsonian patients by C. A. M. Medeiros and colleagues, published online on February 21, 2008.

This guideline comprises the state of science at the time of the editorial deadline. In view of the high turnover of knowledge the guideline is designed as a living guideline. The main objective was to provide a tool for the use in primary care, being considered well suited as a first point of entry and for the provision of care. The guideline gives recommendations on the differential diagnosis of symptoms following SARS-CoV‑2 infection, on their therapeutic options, as well as for guidance and care of the patients concerned. It also offers advice concerning return to daily life and rehabilitation. Long COVID being a very variable condition, we chose an interdisciplinary approach., (© 2021. The Author(s).)

During the last 10 years recombinant interferon-beta-1a administered subcutaneously has been the subject of several clinical trials in relapsing remitting multiple sclerosis (RRMS), in secondary progressive MS (SPMS), as well as in clinically isolated syndromes. All of them met the criteria of evidence level class I. Consistent evidence for moderate immunomodulatory effects on clinical parameters of disease activity was gained, and even higher efficacy of IFN-beta-1a sc. on MRI activity of multiple sclerosis was proven. Indirect evidence confirmed the hypothesis of a dose-response curve for IFN-beta-1a formulations in MS. The higher efficacy of IFN-beta-1a 44 microg sc. TIW, however, also includes more adverse events such as injection site reactions, flu-like symptoms and a moderate immunogenicity. Current evidence does not allow a recommendation of IFN-beta-1a sc. as most effective first line therapy, because also the individual patient's choice in the route of administration and long-term effects of neutralizing antibodies to IFN-beta-1a sc. must be taken into account. In the long-term, IFN-beta-1a showed a beneficial safety-tolerability profile with 50 % of patients sticking to the initial immunomodulatory treatment. There were no teratogenic effects, IFN-beta-1a sc. did not enhance depressive symptoms. Data on inhibition of the progression of disease, however, remained inconclusive. Probable beneficial effects of IFN-beta-1a sc. on cognitive function or "chronic fatigue" have not been investigated yet.