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Die coronabedingte Lage in Krankenhäusern und Altenheimen hatte sich zwischenzeitlich entspannt, jetzt steht das Gesundheitswesen in erhöhter Bereitschaft. Und trotz vielfach beschworener „Systemrelevanz“ führen Stress und Personalmangel im Pflegebereich unvermindert Regie. Wie können die Beschäftigten die psychischen Herausforderungen des Pflegealltags bewältigen, welche Strategien unterstützen ihre Gesundheit? Die Trendinfo-Redaktion sprach mit Prof. Dr. Andrea Chmitorz von der Hochschule Esslingen über Resilienz.
Mindfulness-based and mindfulness-informed programs such as mindfulness-based stress reduction (MBSR), mindfulness-based cognitive therapy (MBCT), or dialectic behavior therapy (DBT) have gained widespread attention over the past few decades. One way of bringing mindfulness programs into clinical practice is via a planned implementation process where empirically validated interventions are disseminated and implemented on a large scale. However, besides this planned process, it can be observed that mindfulness has diffused into current society as well as into psychotherapy practice in an unsystematic way. To date, however, little is known about the proliferation of mindfulness in clinical practice. We investigated a randomly drawn sample of German psychological psychotherapists with regard to their use of mindfulness in clinical practice using a web survey. Additionally, the psychotherapists’ personal mindfulness practice was assessed. The overwhelming majority (82%) of psychotherapists reported using mindfulness practices at least sometimes with their patients. Programs such as MBSR and MBCT are rarely applied. Rather, therapists use individual mindfulness practices in an eclectic way. Our results show that in addition to investigating the implementation of empirically underpinned mindfulness-based programs, mindfulness researchers should also investigate the ways in which mindfulness-based practices have diffused into clinical work with individuals. Guidelines on best practice for this work will support the future integrity of mindfulness programs.
In our present paper, we approach the mixed problem with initial and boundary conditions, in the context of thermoelasticity without energy dissipation of bodies with a dipolar structure. Our first result is a reciprocal relation for the mixed problem which is reformulated by including the initial data into the field equations. Then, we deduce a generalization of Gurtin’s variational principle, which covers our generalized theory for bodies with a dipolar structure. It is important to emphasize that both results are obtained in a very general context, namely that of anisotropic and inhomogeneous environments, having a center of symmetry at each point.
This study is concerned with the linear elasticity theory for bodies with a dipolar structure. In this context, we approach transient elastic processes and the steady state in a cylinder consisting of such kind of body which is only subjected to some boundary restrictions at a plane end. We will show that at a certain distance d=d(t), which can be calculated, from the loaded plan, the deformation of the body vanishes. For the points of the cylinder located at a distance less than d, we will use an appropriate measure to assess the decreasing of the deformation relative to the distance from the loaded plane end. The fact that the measure, that assess the deformation, decays with respect to the distance at the loaded end is the essence of the principle of Saint-Venant.
Resilience has been defined as the maintenance or quick recovery of mental health during and after times of adversity. Such good longer-term mental health outcomes despite adversity presumably result from complex and dynamic processes of adaptation to stressor exposure (‘resilience processes’), which in many cases include changes in individual properties. Measuring resilience and identifying resilience processes in observational studies requires longitudinal designs involving repeated and frequent monitoring of mental health, stressor exposure, and potential adaptations. We here present a generic design solution that is currently employed in two cohort studies, the Mainz Resilience Project (MARP) and the Longitudinal Resilience Assessment (LORA). Both projects focus on resilience to everyday life stressors (i.e., microstressors), but we argue that the design scheme is also suitable for studying resilience to macrostressors, or trauma, and can solve some of the pertinent problems of trauma resilience research. We quantify resilience by indexing the reactivity of individuals’ mental health to stressors during a time interval of several months in a ‘stressor reactivity’ (SR) score, derived using a previously introduced residualization approach. SR scores are regularly re-calculated in sliding time windows, to thus build SR time courses that reflect intra-individual temporal variability in resilience. By linking these time courses to repeated measures of (temporally varying) individual properties, resilience processes can be identified. We finish by a discussion of limitations of our approach and potential future developments.
In recent years, a number of bidirectional inductive power transfer systems (BD-IPT) suitable for wireless grid integration of electric vehicles have been developed. These developments have been fueled by the enhanced efficiency and spatial tolerance offered by BD-IPT systems. A typical BD-IPT system utilizes two synchronized full-bridge converters operating at fixed duty cycles to drive the primary and secondary magnetic couplers. However, in order to cater for a wide range of loading conditions, additional circuitry is employed at the expense of cost and power density. As an alternative solution, this paper proposes a novel power converter, named a boost active bridge (BAB), to replace the full-bridge converters. The BAB topology caters to a wide range of loading conditions without the need for any extra switching devices. A comprehensive mathematical model that predicts steady-state currents, voltages, and power transfer is presented to highlight the operating principles of the BAB technology. Experimental results obtained from a 3.5-kW prototype show a nearly constant efficiency under all loading conditions, validating the viability of the proposed BAB topology.
A Review on Dental Materials
(2020)
This book discusses the current biomaterials used for dental applications and the basic sciences underpinning their application. The most critical structures in the oral cavity are the teeth, which play a central role in speaking, biting, chewing, tasting and swallowing. Teeth consist of three types of tissue: the cementum, enamel and dentin, with bone and gingival tissue serving as supporting structures. Caries, tooth wear, trauma and mechanical defects can lead to severe facial conditions; however, correcting these defects remains a challenge for scientists and dentists. Presenting insights form a broad range of disciplines, including materials science, biology, physiology and clinical science, this book provides a timely review of the principles, processing and application of dental materials.
The aim of this study was to evaluate a trauma-adapted intervention for survivors of interpersonal violence that combines psychoeducation and specific mindfulness-based exercises developed for patients with posttraumatic stress disorder (PTSD) with formal practices from mindfulness-based stress reduction and loving-kindness meditation. Fourteen patients with PTSD after interpersonal violence participated in eight treatment sessions. The intervention was evaluated in a nonconcurrent multiple-baseline across-individuals design. From baseline (2, 3, and 4 weeks, randomly assigned) until 8 weeks after the intervention, self-reported PTSD symptoms and well-being were measured on a weekly basis. The intervention was further assessed through self-ratings and the Clinician-Administered PTSD Scale (CAPS-5) administered prior to treatment, immediately after treatment and at a 6-week follow-up. Tau-U analyses showed for the majority of the 12 completers a significant reduction of PTSD symptoms and a significant increase in well-being. Furthermore, we found large effects on PTSD symptoms as measured by the CAPS-5 (Hedges’ g = 1.66), as well as on depression (Hedges’ g = 1.08) and psychological distress (Hedges’ g = 0.85), complemented by relevant increases in mindfulness skills and self-compassion. This study contributes evidence that mindfulness and loving-kindness are useful for reducing PTSD in victims of interpersonal violence, especially when the intervention is tailored to the specific needs of these patients.