20 results on '"Daniel Kamp"'
Search Results
2. Feasibility of six-month outpatient cognitive remediation in schizophrenia: Experience from the randomized controlled integrated social cognition and social skills therapy study
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Tim Schuster, Agnes Lowe, Karolin Weide, Daniel Kamp, Mathias Riesbeck, Andreas Bechdolf, Anke Brockhaus-Dumke, René Hurlemann, Ana Muthesius, Stefan Klingberg, Martin Hellmich, Sabine Schmied, Andreas Meyer-Lindenberg, and Wolfgang Wölwer
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Schizophrenia ,Cognitive remediation ,Adherence ,Safety ,Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Patients with schizophrenia often have cognitive impairments that contribute to diminished psychosocial functioning. Cognitive remediation therapy (CRT) has proven efficacy and is recommended by evidence-based treatment guidelines. Important moderators of efficacy include integration of CRT into a psychiatric rehabilitation concept and patient attendance at a sufficient number of therapy sessions. These conditions can probably best be met in an outpatient setting; however, outpatient treatment is prone to higher rates of treatment discontinuation and outpatient settings are not as well protected as inpatient ones and less closely supervised.The present study investigated the feasibility of outpatient CRT in schizophrenia over a six-month period. Adherence to scheduled sessions and safety parameters were assessed in 177 patients with schizophrenia randomly assigned to one of two matched CRT programs.Results showed that 58.8 % of participants completed the CRT (>80 % of scheduled sessions) and 72.9 % completed at least half the sessions. Predictor analysis revealed a high verbal intelligence quotient as favorable for good adherence, but this factor had only low general predictive power. During the six-month treatment phase, serious adverse events occurred in 15.8 % (28/177) of the patients, which is a comparable rate to that reported in the literature.Our findings support the feasibility of six-month outpatient CRT in schizophrenia in terms of adherence to scheduled sessions and safety. Trial registration number: NCT02678858, DRKS00010033.
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- 2023
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3. Efficacy of Integrated Social Cognitive Remediation vs. Neurocognitive Remediation in Improving Functional Outcome in Schizophrenia: Concept and Design of a Multicenter, Single-Blind RCT (The ISST Study)
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Wolfgang Wölwer, Nicole Frommann, Agnes Lowe, Daniel Kamp, Karolin Weide, Andreas Bechdolf, Anke Brockhaus-Dumke, Rene Hurlemann, Ana Muthesius, Stefan Klingberg, Martin Hellmich, Sabine Schmied, Andreas Meyer-Lindenberg, For the ISST study group, W. Wölwer, S. Abresch, N. Frommann, A. Lowe, D. Kamp, P. Ockenfelds, K. Weide, F. Pessanha, S. Dinse (Düsseldorf);, A. Philipsen, R. Hurlemann, J. Schultz, N. Striepens, U. Darrelmann, C. Kloss, S. Wasserthal, H. Högenauer, N. Schumacher (Bonn);, F. Jessen, J. Kambeitz, C. Baldermann, A. Muthesius, C. Doll, H. Schneegans, A. Ferrari, G. Kolb, T. Haidl, D. Zeus, T. Pilgram, M. Rohde, P. Albert-Porcar, S. Hölzer, M. Hellmich, K. Kuhr, K. Rosenberger, D. Kraus, S. Schmied, U. Bergmann, F. Scheckenbach, A. Montada (Cologne);, S. Klingberg, D. Wildgruber, U. Hermanutz, J. Richter, J. Vonderschmitt, L. Hölz (Tübingen);, A. Bechdolf, K. Leopold, S. Siebert, F. Seidel, E.S. Blanke (Berlin), A. Brockhaus-Dumke, X. Solojenkina, B. Klos, E. Rosenbauer, S. Cinar, L. Herdt, F. Henrich, S. Neff (Alzey), and A. Meyer-Lindenberg (Mannheim)
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schizophrenia ,cognitive remediation ,social cognition ,social skills ,functional outcome ,recovery ,Psychiatry ,RC435-571 - Abstract
BackgroundAlthough clinically effective treatment is available for schizophrenia, recovery often is still hampered by persistent poor psychosocial functioning, which in turn is limited by impairments in neurocognition, social cognition, and social behavioral skills. Although cognitive remediation has shown general efficacy in improving cognition and social functioning, effects still need to be improved and replicated in appropriately powered, methodologically rigorous randomized controlled trials (RCTs). Existing evidence indicates that effects can most likely be optimized by combining treatment approaches to simultaneously address both social cognitive and social behavioral processes.ObjectivesTo assess whether Integrated Social Cognitive and Behavioral Skill Therapy (ISST) is more efficacious in improving functional outcome in schizophrenia than the active control treatment Neurocognitive Remediation Therapy (NCRT).MethodsThe present study is a multicenter, prospective, rater-blinded, two-arm RCT being conducted at six academic study sites in Germany. A sample of 180 at least partly remitted patients with schizophrenia are randomly assigned to either ISST or NCRT. ISST is a compensatory, strategy-based program that targets social cognitive processes and social behavioral skills. NCRT comprises mainly drill and practice-oriented neurocognitive training. Both treatments consist of 18 sessions over 6 months, and participants are subsequently followed up for another 6 months. The primary outcome is all-cause discontinuation over the 12-month study period; psychosocial functioning, quality of life, neurocognitive and social cognitive performance, and clinical symptoms are assessed as secondary outcomes at baseline before randomization (V1), at the end of the six-month treatment period (V6), and at the six-month follow-up (V12).DiscussionThis RCT is part of the German Enhancing Schizophrenia Prevention and Recovery through Innovative Treatments (ESPRIT) research network, which aims at using innovative treatments to enhance prevention and recovery in patients with schizophrenia. Because this study is one of the largest and methodologically most rigorous RCTs on the efficacy of cognitive remediation approaches in schizophrenia, it will not only help to identify the optimal treatment options for improving psychosocial functioning and thus recovery in patients but also allow conclusions to be drawn about factors influencing and mediating the effects of cognitive remediation in these patients.Trial RegistrationClinicalTrials.gov NCT 02678858, German Study Register DRKS 00010033
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- 2022
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4. Systematische Übersichtsarbeit Antipsychotische Behandlung des Alkoholentzugssyndroms: Fokus Delirium Tremens
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Timo Jendrik Faustmann, Myrella Paschali, Georg Kojda, Leonhard Schilbach, and Daniel Kamp
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Psychiatry and Mental health ,Neurology ,Neurology (clinical) - Abstract
Zusammenfassung Hintergrund Das Delirium tremens (DT) ist eine weit verbreitete und potentiell vital bedrohliche Komplikation des Alkoholentzugs. Die medikamentöse Behandlung eines DT spielt sowohl eine wichtige Rolle in der stationären suchtmedizinischen Versorgung als auch in anderen medizinischen Fachbereichen, in denen ein Alkoholentzugsdelir sekundär durch die Hospitalisierung auftreten kann. Patienten im DT müssen hochdosiert mit Benzodiazepinen (bei geriatrischen Patienten kurzwirksame Benzodiazepine zur Vermeidung einer Akkumulierung) oder Clomethiazol sowie bei produktiv-psychotischen Symptomen zusätzlich antipsychotisch behandelt werden. Eine differenzierte Empfehlung zur konkreten Behandlung mit Antipsychotika im DT fehlt bisher. Die hier vorliegende Übersicht diskutiert die Empfehlungen der Fachgesellschaften mit anderen in der Literatur zugänglichen Ergebnissen bezüglich der Wahl eines Antipsychotikums zur Behandlung des DT. Ziel: Systematische Darstellung relevanter Antipsychotika zur Behandlung des DT. Methode Es erfolgte eine systematische Literaturrecherche in Pubmed und Scopus nach Original- und Übersichtsarbeiten zu Antipsychotika im Alkoholentzug und DT. Letztmalig erfolgte eine Suche am 22. Mai 2022. Weiter wurden internationale Leitlinien berücksichtigt. Die Übersichtsarbeit wurde mittels PROSPERO registriert (https://www.crd.york.ac.uk/prospero/); CRD42021264611. Ergebnisse Haloperidol wird besonders auf der Intensivstation empfohlen. Die Datenlage zur differentiellen Verwendung von atypischen Antipsychotika im DT ist weiter insuffizient. Insgesamt gilt es, die Medikation immer in Kombination mit Benzodiazepinen durchzuführen und potentielle Komplikationen wie das maligne neuroleptische Syndrom, QTc-Verlängerungen und extrapyramidal-motorische Störungen sowie komplikative Entzugskrampfanfälle durch Senkung der Krampfschwelle, unter der Verwendung von Antipsychotika, zu beachten. Schlussfolgerung Die Behandlung mit Antipsychotika im DT sollte nach der Erfahrung des Behandlers erfolgen. Eine klare Empfehlung außer die Gabe von Haloperidol existiert nicht.
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- 2023
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5. Pain and small fiber pathology in men with fibromyalgia syndrome
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Betty Feulner, Franziska Gross, Dimitar Evdokimov, Rayaz A. Malik, Daniel Kampik, and Nurcan Üçeyler
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Anesthesiology ,RD78.3-87.3 - Abstract
Abstract. Introduction:. Small fiber pathology may be involved in the pathophysiology of pain in women with fibromyalgia syndrome (FMS). Objectives:. This prospective single-center case-control study provides detailed pain phenotyping and small fiber pathology data in a cohort of men with FMS on a morphological and functional level. Methods:. Forty-two men with FMS underwent a comprehensive pain-related interview and neurological examination, a questionnaire and neurophysiological assessment, and specialized small fiber tests: skin punch biopsy, quantitative sensory testing including C-tactile afferents, and corneal confocal microscopy. Data were compared with those of healthy male controls. Results:. Men with FMS reported generalized and permanent pain with additional pain attacks and a mostly pressing pain character. Intraepidermal nerve fiber density was reduced at ≥1 biopsy site in 35 of 42 (83%) men with FMS (controls: 32/65, 49%). Compared with male controls, men with FMS had elevated cold (P < 0.05) and warm detection thresholds (P < 0.001) and an increased mechanical pain threshold (P < 0.05) as well as an impairment of C-tactile afferents (P < 0.05). Corneal nerve fiber density was lower in male patients with FMS vs healthy men (P < 0.01). Male FMS patients with pathological skin innervation at ≥1 biopsy site compared with those with normal skin innervation had a higher clinical Widespread Pain Index (P < 0.05) indicating an association between the severity of cutaneous denervation and symptom load. Conclusion:. We show a distinct pain phenotype and small nerve fiber dysfunction and pathology in male patients with FMS. These findings may have implications for the diagnosis and management of men with FMS.
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- 2024
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6. Social interaction, psychotic disorders and inflammation: A triangle of interest
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Timo Jendrik, Faustmann, Daniel, Kamp, Saskia, Räuber, Juergen, Dukart, Nico, Melzer, and Leonhard, Schilbach
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Pharmacology ,Biological Psychiatry - Abstract
Social interaction difficulties are a hallmark of psychotic disorders, which in some cases can be definitely traced back to autoimmunological causes. Interestingly, systemic and intrathecal inflammation have been shown to significantly influence social processing by increasing sensitivity to threatening social stimuli, which bears some resemblance to psychosis. In this article, we review evidence for the involvement of systemic and intrathecal inflammatory processes in psychotic disorders and how this might help to explain some of the social impairments associated with this group of disorders. Vice versa, we also discuss evidence for the immunomodulatory function of social interactions and their potential role for therapeutic interventions in psychotic disorders.
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- 2023
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7. Erratum to: Soluble B-cell maturation antigen in lacrimal fluid as a potential biomarker and mediator of keratopathy in multiple myeloma
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Umair Munawar, Johanna Theuersbacher, Maximilian J. Steinhardt, Xiang Zhou, Seungbin Han, Silvia Nerreter, Cornelia Vogt, Shilpa Kurian, Thorsten Keller, Ann-Katrin Regensburger, Eva Teufel, Julia Mersi, Max Bittrich, Franziska Seifert, Malik S. Haider, Leo Rasche, Jost Hillenkamp, Hermann Einsele, Daniel Kampik, K. Martin Kortüm, and Johannes M. Waldschmidt
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Diseases of the blood and blood-forming organs ,RC633-647.5 - Published
- 2024
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8. Kognitive Defizite der Elektrokonvulsionstherapie bei Depressionen: Moderierende Variablen und neuropsychologische Testverfahren
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Dominik Marin, Tugba Yardimci, Zsofia Margittai, Daniel Kamp, Milenko Kujovic, and Joachim Cordes
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medicine.medical_treatment ,MEDLINE ,Neuropsychology ,Retrograde amnesia ,Context (language use) ,Cognition ,Guideline ,medicine.disease ,030227 psychiatry ,03 medical and health sciences ,Psychiatry and Mental health ,0302 clinical medicine ,Electroconvulsive therapy ,Neurology ,medicine ,Neurology (clinical) ,Effects of sleep deprivation on cognitive performance ,Psychology ,030217 neurology & neurosurgery ,Clinical psychology - Abstract
ZusammenfassungAufgrund der hohen Wirksamkeit der Elektrokonvulsionstherapie (EKT) in der leitliniengerechten Behandlung therapieresistenter depressiver Episoden und der klinischen Bedeutung kognitiver Beeinträchtigungen ist eine Optimierung des Nebenwirkungsmanagements notwendig. Da kognitive Nebenwirkungen des Verfahrens in Verbindung mit krankheitsbedingten Beeinträchtigungen das soziale Funktionsniveau und das subjektive Wohlbefinden reduzieren können, sollten eine umfassende Aufklärung und ein spezifisches Monitoring potenzieller kognitiver Nebenwirkungen erfolgen. Diese Übersichtsarbeit stellt die klinische Relevanz und die Messverfahren kognitiver Nebenwirkungen dar, die bei einer EKT-Behandlung auftreten können. Es wird diskutiert, welche patientenindividuellen, technischen und pharmakologischen Faktoren die Auswirkung der EKT auf die Kognition moderieren können. Ferner werden die Empfehlungen hinsichtlich des Monitorings kognitiver Nebenwirkungen in nationalen und internationalen Leitlinien zusammengefasst. Bei der EKT werden Beeinträchtigungen der globalen Kognition sowie anterograde und retrograde Gedächtnisstörungen beobachtet. In den ersten beiden Bereichen scheinen diese nur vorübergehend von Bedeutung zu sein, wohingegen das Ausmaß der retrograden Gedächtnisdefizite, darunter vor allem das des autobiografischen Gedächtnisses, nach aktuellem Kenntnisstand nicht klar definiert ist und potenziell länger anhaltend beeinträchtigt sein kann. Ein kontroverses Thema ist diesbezüglich auch die Frage nach geeigneten Testverfahren zur Erfassung dieser Funktionen, um die Dauer möglicher Leistungsabfälle und den Schweregrad ermitteln zu können. Im klinischen Kontext finden hierbei unterschiedliche Verfahren Verwendung, teilweise wird eine Symptomgraduierung aufgrund von Zeitmangel oder methodischer Unsicherheit nicht durchgeführt. Die vorliegenden nationalen und internationalen Leitlinien machen sehr unterschiedliche Vorgaben, wie die kognitiven Beeinträchtigungen im Laufe der Therapie beobachtet und dokumentiert werden sollen. Im deutschen Sprachraum werden keine konkreten Handlungsempfehlungen zur Erfassung von kognitiven Nebenwirkungen erteilt. In diesem Zusammenhang wird eine Überarbeitung der aktuellen Leitlinien empfohlen sowie weiterer Forschungsbedarf identifiziert, um die Erfassung und das Monitoring der Nebenwirkungen zu verbessern und Patienten mit einer erhöhten Anfälligkeit zu identifizieren.
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- 2018
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9. Soluble B-cell maturation antigen in lacrimal fluid as a potential biomarker and mediator of keratopathy in multiple myeloma
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Umair Munawar, Johanna Theuersbacher, Maximilian J. Steinhardt, Xiang Zhou, Seungbin Han, Silvia Nerreter, Cornelia Vogt, Shilpa Kurian, Thorsten Keller, Ann-Katrin Regensburger, Eva Teufel, Julia Mersi, Max Bittrich, Franziska Seifert, Malik S. Haider, Leo Rasche, Jost Hillenkamp, Hermann Einsele, Daniel Kampik, K. Martin Kortüm, and Johannes M. Waldschmidt
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Diseases of the blood and blood-forming organs ,RC633-647.5 - Abstract
Belantamab mafodotin (belantamab) is a first-in-class anti-BCMA antibody-drug conjugate approved for the treatment of triple-class refractory multiple myeloma. It provides a unique therapeutic option for patients ineligible for CAR-T and bispecific antibody therapy, and/or patients progressing on anti-CD38 treatment where CAR-T and bispecifics might be kept in reserve. Wider use of the drug can be challenged by its distinct ocular side effect profile, including corneal microcysts and keratopathy. While dose reduction has been the most effective way to reduce these toxicities, the underlying mechanism of this BCMA off-target effect remains to be characterized. In this study, we provide the first evidence for soluble BCMA (sBCMA) in lacrimal fluid and report on its correlation with tumor burden in myeloma patients. We confirm that corneal cells do not express BCMA, and show that sBCMA-belantamab complexes may rather be internalized by corneal epithelial cells through receptor-ligand independent pinocytosis. Using an hTcEpi corneal cell-line model, we show that the pinocytosis inhibitor EIPA significantly reduces belantamab-specific cell killing. As a proof of concept, we provide detailed patient profiles demonstrating that, after belantamab-induced cell killing, sBCMA is released into circulation, followed by a delayed increase of sBCMA in the tear fluid and subsequent onset of keratopathy. Based on the proposed mechanism, pinocytosis-induced keratopathy can be prevented by lowering the entry of sBCMA into the lacrimal fluid. Future therapeutic concepts may therefore consist of belantamab-free debulking therapy prior to belantamab consolidation and/or concomitant use of gamma-secretase inhibition as currently evaluated for belantamab and nirogacestat in ongoing studies.
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- 2024
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10. Polyhexanide based contact lens storage fluids frequently exhibit insufficient antifungal activity against Fusarium species
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Benedikt Schrenker, Anna Zimmermann, Thorsten Koch, Grit Walther, Ronny Martin, Daniel Kampik, Oliver Kurzai, and Johanna Theuersbacher
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Polyhexanide ,Contact lens storage fluid ,Fusarium ,DIN EN ISO 14729 ,Keratitis ,Microbiology ,QR1-502 ,Other systems of medicine ,RZ201-999 - Abstract
Purpose: Fusarium keratitis is a severe infection of the anterior eye, frequently leading to keratoplasty or surgical removal of the affected eye. A major risk factor for infection is the use of contact lenses. Inadequate hygiene precautions and mold-growth permissive storage fluids are important risk factors for fungal keratitis. The aim of this study was to comparatively analyze contact lens storage fluids disinfection efficacy against Fusarium species. Methods: Eleven commercially available storage fluids were tested. The storage fluids were classified according to their active ingredients myristamidopropyldimethylamine (Aldox), polyhexanide and hydrogen peroxide. Efficacy was tested against isolates belonging to the Fusarium solani and Fusarium oxysporum species complexes as the most common agents of mould keratitis. Tests were carried out based on DIN EN ISO 14729. Results: All Aldox and hydrogen peroxide (H2O2) based fluids were effective against Fusarium spp., while the majority of polyhexanide based storage fluids showed only limited or no antifungal effects. Efficacy of polyhexanide could be restored by the addition of the pH-regulating agent tromethamine - an additive component in one commercially available product. Conclusions: In summary, the use of Aldox- or hydrogen peroxide-based storage fluids may reduce the risk of Fusarium keratitis, while polyhexanide-based agents largely lack efficacy against Fusarium.
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- 2024
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11. Full thickness 3D in vitro conjunctiva model enables goblet cell differentiation
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Julian Schwebler, Christina Fey, Daniel Kampik, and Christian Lotz
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Medicine ,Science - Abstract
Abstract In vitro culture and generation of highly specialized goblet cells is still a major challenge in conjunctival 3D in vitro equivalents. A model comprising all physiological factors, including mucus-secreting goblet cells has the potential to act as a new platform for studies on conjunctival diseases. We isolated primary conjunctival epithelial cells and fibroblasts from human biopsies. 3D models were generated from either epithelial layers or a combination of those with a connective tissue equivalent. Epithelial models were investigated for marker expression and barrier function. Full-thickness models were analyzed for goblet cell morphology and marker expression via immunofluorescence and quantitative real-time PCR. Simple epithelial models cultured at the air–liquid interface showed stratified multi-layer epithelia with pathologic keratinization and without goblet cell formation. The combination with a connective tissue equivalent to generate a full-thickness model led to the formation of a non-keratinized stratified multi-layer epithelium and induced goblet cell differentiation. In our model, a high resemblance to natural conjunctiva was achieved by the combination of conjunctival epithelial cells with fibroblasts embedded in a collagen-hydrogel as connective tissue equivalent. In the future, our conjunctival in vitro equivalent enables the investigation of goblet cell differentiation, conjunctival pathologies as well as drug testing.
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- 2023
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12. A Critical Reflection on the Importance of Education for Sustainable Development
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Daniel Kamphambale, Lucia Morales, Cormac H. MacMahon, and Jon-Hans Coetzer
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diversity ,economy ,education for sustainable development ,equity ,growth ,inclusion ,pedagogy ,Theory and practice of education ,LB5-3640 - Abstract
The United Nations (UN) 2030 Agenda and Sustainable Development highlights the value of the Sustainable Development Goals (SDGs) in enabling societal progress. Contemporary society needs to consider sustainable development in a broader context where equity, diversity, and inclusion are integral to design of educational systems. Education can act as a disruptor that brings change to existing economic growth models misaligned with the needs and demands of modern society. As we transition to economic models that are more attuned to the needs of global society and planet, access to education, natural resources, and human talent is crucial for sustaining development, and allowing societies to continue advancing. However, it is imperative to deliberate on the necessity of adopting an alternative perspective on economic growth and its facilitation while adhering to the principles of sustainability. Inclusive, diverse, and transdisciplinary education can help to enhance quality learning, social equity, and resilience in nations, fostering intellectual empowerment, lifelong learning values, and a cohesive society. The prominence of education and its partners, training, and awareness has been recurrently underscored in UN assemblies, illuminating its capacity to address concerns such as climate change, violations of human rights, and degradation of the environment. Conversely, minimal headway in this realm indicates enduring and formidable hurdles obstructing the progress of education. Broadening the reach of education is fundamental for supporting an improved future. Although the expansion of educational opportunities is applauded, it is insufficient if the requirements of global economies are not considered. A thriving community requires substantial investment, and the capability of world economies to bring about change through capital investment is finite and dependent on access to scarce resources and their level of economic development. In addition, the fact that education has become an unattainable luxury good contributes to the widening gaps and distinctions between wealthier and less affluent nations. As such, there is a need to critically introspect on the role that education plays in driving sustainable development.
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- 2024
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13. Education for Sustainability – Are we Forgetting the Economic Dimension?
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Ozeias Rodrigues da Rocha, Daniel Kamphambale, Jon-Hans Coetzer, Cormac H. MacMahon, and Lucia Morales
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circularity ,economic development ,education for sustainable development ,fairness ,inclusion ,inequality ,minimum access ,sustainability ,Theory and practice of education ,LB5-3640 - Abstract
The world's economies face acute anthropocentric challenges. We are witnessing significant structural disruption, driven by an urgent need to redress a historical focus on unchecked economic growth and unequal access to resources, requiring seismic transformations of our economic, social, and educational systems. Debate about sustainable development is becoming less controversial. Yet, many countries still struggle to commit to action. Whist political leaders engage in commendable discussion on sustainable practices, impacts range from rhetoric to constrained solutions. Our socio-economic and environmental challenges require collective effort, as we witness a contestation of development models that omit environmental preservation, lack inclusivity and compromise future generations. In this context, in which we seek alternative models that are more applicable to reality, education emerges as a driving force for change. Education already plays a role in the design of the socio-political economy. So, thoughtfully designed, it can help to define our understanding of sustainability beyond political and economic selection of goals and self-serving dimensions. Given transformative character, education can help to bridge the need for an inclusive and sustainable economic development model. Through an economic lens, this paper offers critical and reflective insights into how education can contribute to the necessary transformation for the achievement of the UN Sustainable Development Goals (SDGs). We argue that, with the right changes, education and economic development can be synergistic in pursuit of circularity, thereby meeting the requirements for just and equitable access, and preventing the depletion of natural resources needed for a thriving and flourishing humanity.
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- 2024
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14. Effects of Training of Affect Recognition on the recognition and visual exploration of emotional faces in schizophrenia
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Daniel Kamp, Wolfgang Wölwer, Sanna Stroth, Nicole Frommann, and Katharina Drusch
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Adult ,Male ,medicine.medical_specialty ,Eye Movements ,Audiology ,Social cognition ,medicine ,Humans ,Treatment effect ,Biological Psychiatry ,Facial affect ,Cognitive Behavioral Therapy ,Middle Aged ,Fixation (psychology) ,Gaze ,Facial Expression ,Affect ,Psychiatry and Mental health ,Improved performance ,Treatment Outcome ,Pattern Recognition, Visual ,Social Perception ,Cognitive remediation therapy ,Schizophrenia ,Female ,Psychology ,Statistical correlation ,Cognitive psychology - Abstract
Background Schizophrenia patients have impairments in facial affect recognition and display scanpath abnormalities during the visual exploration of faces. These abnormalities are characterized by fewer fixations on salient feature areas and longer fixation durations. The present study investigated whether social–cognitive remediation not only improves performance in facial affect recognition but also normalizes patients' gaze behavior while looking at faces. Methods Within a 2 × 2-design (group × time), 16 schizophrenia patients and 16 healthy controls performed a facial affect recognition task with concomitant infrared oculography at baseline (T0) and after six weeks (T1). Between the measurements, patients completed the Training of Affect Recognition (TAR) program. The influence of the training on facial affect recognition (percent of correct answers) and gaze behavior (number and mean duration of fixations into salient or non-salient facial areas) was assessed. Results In line with former studies, at baseline patients showed poorer facial affect recognition than controls and aberrant scanpaths, and after TAR facial affect recognition was improved. Concomitant with improvements in performance, the number of fixations in feature areas (‘mouth’) increased while fixations in non-feature areas (‘white space’) decreased. However, the change in fixation behavior did not correlate with the improvement in performance. Conclusions After TAR, patients pay more attention to facial areas that contain information about a displayed emotion. Although this may contribute to the improved performance, the lack of a statistical correlation implies that this factor is not sufficient to explain the underlying mechanism of the treatment effect.
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- 2014
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15. Reversible Hypothermia in a Drug-naive Inpatient with Alzheimer’s Disease Receiving Pipamperone
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Daniel Kamp, Myrella Paschali, and Christian Lange-Asschenfeldt
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Side effect ,medicine.medical_treatment ,Hypothermia ,03 medical and health sciences ,0302 clinical medicine ,Alzheimer Disease ,medicine ,Humans ,Dementia ,Pharmacology (medical) ,Antipsychotic ,Aged ,business.industry ,Antagonist ,General Medicine ,medicine.disease ,Butyrophenones ,030227 psychiatry ,Psychiatry and Mental health ,Drug-naïve ,Anesthesia ,Female ,Pipamperone ,medicine.symptom ,Alzheimer's disease ,business ,030217 neurology & neurosurgery ,Antipsychotic Agents ,medicine.drug - Abstract
Hypothermia is a potentially life-threatening side effect of antipsychotic drugs, especially those with strong 5-HT2 antagonist properties. However, the exact underlying mechanism is still under debate. We discuss a case of hypothermia following pipamperone treatment in an elderly female inpatient with Alzheimer's disease, which occurred at day 4 after medication onset and vanished after dose reduction. Thus, this case demonstrates 1) the importance of monitoring body temperature even in low-potency antipsychotics, at least in the elderly, and 2) that in some cases, dose reduction may be a sufficient countermeasure.
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- 2016
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16. First case of Kluyveromyces marxianus (Candida kefyr) late onset keratitis after lamellar endothelial corneal graft
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Alexander M. Aldejohann, Johanna Theuersbacher, Lukas Haug, Olga S. Lamm, Grit Walther, Oliver Kurzai, Jost Hillenkamp, and Daniel Kampik
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Fungal keratits ,Kluyveromyces marxianus (Candida kefyr) ,DMEK ,Corneal transplantation ,Voriconazole ,Amphotericin B ,Medicine (General) ,R5-920 ,Biology (General) ,QH301-705.5 - Abstract
We present a case of Kluyveromyces marxianus keratitis nine months after Descemet's membrane endothelial keratoplasty (DMEK) in a patient with Fuchs endothelial disease. Endothelial scraping revealed this rare yeast infection at the interface between graft and host cornea. Immediate antifungal treatment with intracameral and corneal intrastromal injections of voriconazole and amphotericin B remained unsuccessful, requiring penetrating keratoplasty. This case highlights the challenging management of keratomycosis in patients with endothelial grafts.
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- 2021
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17. Prevalence and predictors of MRSA carriage among employees in a non-outbreak setting: a cross-sectional study in an acute care hospital
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Melanie Schubert, Daniel Kämpf, Lutz Jatzwauk, Franziska Kynast, Annette Stein, Ruth Strasser, Madeleine Dulon, Albert Nienhaus, and Andreas Seidler
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Health care workers ,MRSA prevalence ,Non-outbreak setting ,Risk factors ,MRSA strain ,Industrial medicine. Industrial hygiene ,RC963-969 - Abstract
Abstract Background Health care workers have an increased risk of being infected with Methicillin-resistant Staphylococcus aureus (MRSA), though little information is available about how prevalent (dormant) MRSA colonization is among health care workers. The aim of this study was to estimate the prevalence and predictors of MRSA carriage in a non-outbreak setting in a university hospital in Germany. Methods The entire staff of a university hospital heart center for cardiologic maximum medical care and cardiac surgery were invited to participate in a cross-sectional study (N = 575). The sampled population included health care workers as well as employees with no close patient contact. A questionnaire concerning personal and occupational risk factors as well as lifestyle and demographic factors was applied and nasal swabs were taken. In total 180 persons (31.3%) participated in the study. Results The majority of study participants had close contact to patients at work (n = 149, 82.8%). Thereof, about one-third had contact to MRSA-patients (n = 53, 35.6%), and most reported wearing protective clothing (n = 44, 83.0%). None of the administrative staff tested positive for MRSA and only one in 149 persons (0.7%, CI 0.00–0.02) with close patient contact carried MRSA (strain CC1-MRSA-IV). This person had close contact to patients with MRSA, less than 1 year of work experience, and had been treated with antibiotics within the last 12 months. Conclusion The results of our study suggest low point prevalence rates of MRSA colonization in health care workers in a non-outbreak setting.
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- 2019
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18. Diagnosing small fiber neuropathy in clinical practice: a deep phenotyping study
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Nadine Egenolf, Caren Meyer zu Altenschildesche, Luisa Kreß, Katja Eggermann, Barbara Namer, Franziska Gross, Alexander Klitsch, Tobias Malzacher, Daniel Kampik, Rayaz A. Malik, Ingo Kurth, Claudia Sommer, and Nurcan Üçeyler
- Subjects
Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Background and aims: Small fiber neuropathy (SFN) is increasingly suspected in patients with pain of uncertain origin, and making the diagnosis remains a challenge lacking a diagnostic gold standard. Methods: In this case–control study, we prospectively recruited 86 patients with a medical history and clinical phenotype suggestive of SFN. Patients underwent neurological examination, quantitative sensory testing (QST), and distal and proximal skin punch biopsy, and were tested for pain-associated gene loci. Fifty-five of these patients additionally underwent pain-related evoked potentials (PREP), corneal confocal microscopy (CCM), and a quantitative sudomotor axon reflex test (QSART). Results: Abnormal distal intraepidermal nerve fiber density (IENFD) (60/86, 70%) and neurological examination (53/86, 62%) most frequently reflected small fiber disease. Adding CCM and/or PREP further increased the number of patients with small fiber impairment to 47/55 (85%). Genetic testing revealed potentially pathogenic gene variants in 14/86 (16%) index patients. QST, QSART, and proximal IENFD were of lower impact. Conclusion: We propose to diagnose SFN primarily based on the results of neurological examination and distal IENFD, with more detailed phenotyping in specialized centers.
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- 2021
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19. Eye Infections Caused by Filamentous Fungi: Spectrum and Antifungal Susceptibility of the Prevailing Agents in Germany
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Grit Walther, Anna Zimmermann, Johanna Theuersbacher, Kerstin Kaerger, Marie von Lilienfeld-Toal, Mathias Roth, Daniel Kampik, Gerd Geerling, and Oliver Kurzai
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eye infection ,fungal infection ,keratitis ,antifungal susceptibility ,natamycin ,Fusarium ,Biology (General) ,QH301-705.5 - Abstract
Fungal eye infections can lead to loss of vision and blindness. The disease is most prevalent in the tropics, although case numbers in moderate climates are increasing as well. This study aimed to determine the dominating filamentous fungi causing eye infections in Germany and their antifungal susceptibility profiles in order to improve treatment, including cases with unidentified pathogenic fungi. As such, we studied all filamentous fungi isolated from the eye or associated materials that were sent to the NRZMyk between 2014 and 2020. All strains were molecularly identified and antifungal susceptibility testing according to the EUCAST protocol was performed for common species. In total, 242 strains of 66 species were received. Fusarium was the dominating genus, followed by Aspergillus, Purpureocillium, Alternaria, and Scedosporium. The most prevalent species in eye samples were Fusarium petroliphilum, F. keratoplasticum, and F. solani of the Fusarium solani species complex. The spectrum of species comprises less susceptible taxa for amphotericin B, natamycin, and azoles, including voriconazole. Natamycin is effective for most species but not for Aspergillus flavus or Purpureocillium spp. Some strains of F. solani show MICs higher than 16 mg/L. Our data underline the importance of species identification for correct treatment.
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- 2021
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20. TGF-β2-induced invadosomes in human trabecular meshwork cells.
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Hong Han, Daniel Kampik, Franz Grehn, and Günther Schlunck
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Medicine ,Science - Abstract
Primary open-angle glaucoma (POAG) is a leading cause of blindness due to chronic degeneration of retinal ganglion cells and their optic nerve axons. It is associated with disturbed regulation of intraocular pressure, elevated intraocular levels of TGF-β2, aberrant extracellular matrix (ECM) deposition and increased outflow resistance in the trabecular meshwork (TM). The mechanisms underlying these changes are not fully understood. Cell-matrix interactions have a decisive role in TM maintenance and it has been suggested that TGF-β-induced inhibition of matrix metalloproteases may drive aberrant ECM deposition in POAG. Invadopodia and podosomes (invadosomes) are distinct sites of cell-matrix interaction and localized matrix-metalloprotease (MMP) activity. Here, we report on the effects of TGF-β2 on invadosomes in human trabecular meshwork cells. Human TM (HTM) cells were derived from donor tissue and pretreated with vehicle or TGF-β2 (2 ng/ml) for 3d. Invadosomes were studied in ECM degradation assays, protein expression and MMP-2 activity were assessed by western blot and zymography and ECM protein transcription was detected by RT-qPCR. HTM cells spontaneously formed podosomes and invadopodia as detected by colocalization of Grb2 or Nck1 to sites of gelatinolysis. Pretreatment with TGF-β2 enhanced invadosomal proteolysis and zymographic MMP-2 activity as well as MMP-2, TIMP-2 and PAI-1 levels in HTM cell culture supernatants. Rho-kinase inhibition by H1152 blocked the effects of TGF-β2. Concomitant transcription of fibronectin and collagens-1, -4 and -6 was increased by TGF-β2 and fibrillar fibronectin deposits were observed in areas of invadosomal ECM remodelling. In contrast to a current hypothesis, our data indicate that TGF-β2 induces an active ECM remodelling process in TM cells, characterized by concurrent increases in localized ECM digestion and ECM expression, rather than a mere buildup of material due to a lack of degradation. Invadosomal cell adhesion and signaling may thus have a role in POAG pathophysiology.
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- 2013
- Full Text
- View/download PDF
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