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Einleitung
(2020)
Seit Wochen nun beobachten wir, wie Menschen auf sehr unterschiedliche Weise auf die COVID-19-Pandemie reagieren. Die unmittelbare Gefahrenursache ist zwar für das bloße Auge nicht sichtbar. Sichtbar hingegen sind die von der Weltgesundheitsorganisation, der Johns Hopkins Universität oder dem Robert-Koch-Institut veröffentlichten Daten. Täglich steigende Zahlen von Infizierten, täglich steigende Zahlen von Toten. Vielleicht ist es nachvollziehbar, dass "in diesen Zeiten" Regelungsmaßnahmen "mit heißer Nadel gestrickt" (noch so eine Phrase) sind. Selbst wenn in der Theorie Krisenszenarien vielleicht irgendwann einmal durchgespielt worden sind (siehe BT Drs. 17/12051, S. 57 ff.), lässt sich nicht jede Variante einer Krise antizipieren – genauso wenig wie der tatsächliche Stressmodus, in dem andere und man selbst sich befinden werden. In diesem Modus sind nun Entscheidungen getroffen worden. Entscheidungen, deren Konsequenzen ohne jegliche Übertreibung als der "massivste kollektive Grundrechtseingriff in der Geschichte der Bundesrepublik" bezeichnet werden können. ...
Background: Data on Candida bloodstream infections in pediatric patients in Europe are limited. We performed a retrospective multicenter European study of the epidemiology and outcome of neonatal and pediatric candidemia.
Material and Methods: All first positive blood cultures from patients ≤ 18 years of age with candidemia were registered. Patients’ demographic and clinical characteristics and causative Candida species were collected and analyzed. Regression analysis was used to identify factors independently associated with mortality.
Results: One thousand three hundred ninety-five episodes of candidemia (57.8% male) were reported from 23 hospitals in 10 European countries. Of the 1395 episodes, 36.4% occurred in neonates (≤ 44 weeks postmenstrual age), 13.8% in infants (> 44 weeks postmenstrual age to 1 year) and 49.8% in children and adolescents. Candida albicans (52.5%) and Candida parapsilosis (28%) were the predominant species. A higher proportion of candidemia caused by C. albicans was observed among neonatal patients (60.2%) with highest rates of C. parapsilosis seen among infants (42%). Children admitted to hematology-oncology wards presented the highest rates of non-albicans Candida species. Candidemia because of C. albicans was more frequent than non-albicans Candida in Northern versus Southern Europe (odds ratio, 2.3; 95% confidence interval, 1.8–2.9; P < 0.001). The all-cause mortality at 30 days was 14.4%. All-cause mortality was higher among patients admitted to the neonatal or pediatric intensive care units than other wards. Over time, no significant changes in species distribution were observed.
Conclusions: This first multicenter European study shows unique characteristics of the epidemiology of pediatric candidemia. The insights obtained from this study will be useful to guide clinical management and antifungal stewardship.
Non-random connectivity can emerge without structured external input driven by activity-dependent mechanisms of synaptic plasticity based on precise spiking patterns. Here we analyze the emergence of global structures in recurrent networks based on a triplet model of spike timing dependent plasticity (STDP) which depends on the interactions of three precisely-timed spikes and can describe plasticity experiments with varying spike frequency better than the classical pair-based STDP rule. We derive synaptic changes arising from correlations up to third-order and describe them as the sum of structural motifs which determine how any spike in the network influences a given synaptic connection through possible connectivity paths. This motif expansion framework reveals novel structural motifs under the triplet STDP rule, which support the formation of bidirectional connections and ultimately the spontaneous emergence of global network structure in the form of self-connected groups of neurons, or assemblies. We propose that under triplet STDP assembly structure can emerge without the need for externally patterned inputs or assuming a symmetric pair-based STDP rule common in previous studies. The emergence of non-random network structure under triplet STDP occurs through internally-generated higher-order correlations, which are ubiquitous in natural stimuli and neuronal spiking activity, and important for coding. We further demonstrate how neuromodulatory mechanisms that modulate the shape of the triplet STDP rule or the synaptic transmission function differentially promote structural motifs underlying the emergence of assemblies, and quantify the differences using graph theoretic measures.
In a 40-year-old caucasian patient with stress incontinence was a TVT operation performed with an autologous semitendinosus tendon transplant. The operation was done with spinal anesthesia. The tendon of the right musculus semitendinosus was stripped from the popliteal fossa and used instead of a synthetic tape as midurethral sling, as it is done in a classical retropubic TVT procedure. The operation was performed successfully. On the first day after the operation the transurethral catheter was removed, continence was reached, and no urinary retention was seen. Mobility and power of the affected leg did not change.
Background: The back pain screening tool Risk-Prevention-Index Social (RPI-S) identifies the individual psychosocial risk for low back pain chronification and supports the allocation of patients at risk in additional multidisciplinary treatments. The study objectives were to evaluate (1) the prognostic validity of the RPI-S for a 6-month time frame and (2) the clinical benefit of the RPI-S. Methods: In a multicenter single-blind 3-armed randomized controlled trial, n = 660 persons (age 18-65 years) were randomly assigned to a twelve-week uni- or multidisciplinary exercise intervention or control group. Psychosocial risk was assessed by the RPI-S domain social environment (RPI-SSE) and the outcome pain by the Chronic Pain Grade Questionnaire (baseline M1, 12-weeks M4, 24-weeks M5). Prognostic validity was quantified by the root mean squared error (RMSE) within the control group. The clinical benefit of RPI-SSE was calculated by repeated measures ANOVA in intervention groups. Results: A subsample of n = 274 participants (mean = 38.0 years, SD 13.1) was analyzed, of which 30% were classified at risk in their psychosocial profile. The half-year prognostic validity was good (RMSE for disability of 9.04 at M4 and of 9.73 at M5; RMSE for pain intensity of 12.45 at M4 and of 14.49 at M5). People at risk showed significantly stronger reduction in pain disability and intensity at M4/M5, if participating in a multidisciplinary exercise treatment. Subjects at no risk showed a smaller reduction in pain disability in both interventions and no group differences for pain intensity. Regarding disability due to pain, around 41% of the sample would gain an unfitted treatment without the back pain screening. Conclusion: The RPI-SSE prognostic validity demonstrated good applicability and a clinical benefit confirmed by a clear advantage of an individualized treatment possibility.
The Specialised Information Service Performing Arts (SIS PA) is part of a funding programme by the German Research Foundation that enables libraries to develop tailor-made services for individual disciplines in order to provide researchers direct access to relevant materials and resources from their field. For the field of performing arts, the SIS PA is aggregating metadata about theater and dance resources from currently, mostly, German-speaking cultural heritage institutions in a VuFind-based search portal.
In this article, we focus on metadata quality and its impact on the aggregation workflow by describing the different, possibly data provider-specific, process stages of improving data quality in order to achieve a searchable, interlinked knowledge base. We also describe lessons learned and limitations of the process.
Bevor der Bundesgesundheitsminister mit der Corona-Bewältigung in das Rampenlicht der Öffentlichkeit treten konnte, versuchte er in einer Reihe von Gesetzgebungsvorhaben und Maßnahmen, die deutsche gesetzliche Krankenversicherung (GKV) zu verändern. Eine seiner Maßnahmen war das Digitale-Versorgung-Gesetz, das der Bundestag im Dezember 2019 verabschiedete (DVG, BGBl. I, S. 2562) und die medizinische Versorgung durch Digitalisierung und Innovation verbessern sollte. Es sieht u.a. vor, Gesundheits-Apps auf Rezept zu verschreiben und Videosprechstunden und Telemedizin zum Alltag werden zu lassen. Vor allem aber sollen umfangreiche medizinische Daten der Versicherten in einem Forschungsdatenzentrum zusammengeführt und effektiv ausgewertet werden, um bessere Erkenntnisse in der Gesundheitsforschung zu erlangen.
Dagegen hatte ein Versicherter Beschwerde erhoben, und das Bundesverfassungsgericht hat im Verfahren des einstweiligen Rechtsschutzes entschieden, dass Teile dieses Gesetzes – nämlich §§ 68a Abs. 5 und 303a-303f SGB V – in der Tat erhebliche verfassungsrechtliche Bedenken aufwerfen. Dennoch hat das Gericht den Vollzug dieser Regelungen nicht ausgesetzt (Rn. 6 ff.) und noch nicht einmal die hilfsweise beantragte Reduktion des Datenumgangs angeordnet. Das ist im Ergebnis, vor allem aber in seiner Begründung unter mindestens zwei Aspekten kritisch zu betrachten.
Datenschutz versus Katastrophenschutz : Standortdaten als Mittel zur Bekämpfung der Corona-Pandemie
(2020)
Einige Länder setzen Standortdaten jetzt schon gezielt ein, um die weitere Ausbreitung von Covid-19 einzudämmen. Ein Gesetzentwurf von Bundesgesundheitsminister Jens Spahn, der weitreichende Befugnisse vorsah, um mithilfe von Standortdaten Kontaktpersonen von Infizierten über deren Handys zu orten, stieß auf teilweise heftige Kritik. Der Gesetzentwurf wurde daraufhin zurückgezogen, ohne dass nähere Einzelheiten an die Öffentlichkeit gelangt sind. Ein genauer Blick zeigt jedoch, dass eine Verarbeitung von Standortgesundheitsdaten nicht nur tatsächlich nützlich sein kann, sondern auch rechtlich möglich ist.
The Goethe University Frankfurt has updated its APC expenditures, providing data for the 2019 period.
The University Library Johann Christian Senckenberg is in charge of the University’s Open Access Publishing Fund, which is supported under the DFG’s Open Access Publishing Programme.
Contact Person is Roland Wagner.
This paper summarizes key elements of the German Federal Constitutional Court’s decision on the European Central Bank’s Public Sector Asset Purchase Programme. It briefly explains how it is possible for the German Court to disagree with the ruling of the Court of Justice of the European Union. Finally, it makes suggestions concerning a practical way forward for the Governing Council of the ECB in light of these developments.
Diamond formation in the Earth has been extensively discussed in recent years on the basis of geochemical analysis of natural materials, high-pressure experimental studies, or theoretical aspects. Here, we demonstrate experimentally for the first time, the spontaneous crystallization of diamond from CH4-rich fluids at pressure, temperature and redox conditions approximating those of the deeper parts of the cratonic lithospheric mantle (5-7 GPa) without using diamond seed crystals or carbides. In these experiments the fluid phase is nearly pure methane, even though the oxygen fugacity was significantly above metal saturation. We propose several previously unidentified mechanisms that may promote diamond formation under such conditions and which may also have implications for the origin of sublithospheric diamonds. These include the hydroxylation of silicate minerals like olivine and pyroxene, H2 incorporation into these phases and the "etching" of graphite by H2 and CH4 and reprecipitation as diamond. This study also serves as a demonstration of our new high-pressure experimental technique for obtaining reduced fluids, which is not only relevant for diamond synthesis, but also for investigating the metasomatic origins of diamond in the upper mantle, which has further implications for the deep carbon cycle.