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Usability of a mHealth solution using speech recognition for point-of-care diagnostic management
(2023)
The administrative burden for physicians in the hospital can affect the quality of patient care. The Service Center Medical Informatics (SMI) of the University Hospital Würzburg developed and implemented the smartphone-based mobile application (MA) ukw.mobile1 that uses speech recognition for the point-of-care ordering of radiological examinations. The aim of this study was to examine the usability of the MA workflow for the point-of-care ordering of radiological examinations. All physicians at the Department of Trauma and Plastic Surgery at the University Hospital Würzburg, Germany, were asked to participate in a survey including the short version of the User Experience Questionnaire (UEQ-S) and the Unified Theory of Acceptance and Use of Technology (UTAUT). For the analysis of the different domains of user experience (overall attractiveness, pragmatic quality and hedonic quality), we used a two-sided dependent sample t-test. For the determinants of the acceptance model, we employed regression analysis. Twenty-one of 30 physicians (mean age 34 ± 8 years, 62% male) completed the questionnaire. Compared to the conventional desktop application (DA) workflow, the new MA workflow showed superior overall attractiveness (mean difference 2.15 ± 1.33), pragmatic quality (mean difference 1.90 ± 1.16), and hedonic quality (mean difference 2.41 ± 1.62; all p < .001). The user acceptance measured by the UTAUT (mean 4.49 ± 0.41; min. 1, max. 5) was also high. Performance expectancy (beta = 0.57, p = .02) and effort expectancy (beta = 0.36, p = .04) were identified as predictors of acceptance, the full predictive model explained 65.4% of its variance. Point-of-care mHealth solutions using innovative technology such as speech-recognition seem to address the users’ needs and to offer higher usability in comparison to conventional technology. Implementation of user-centered mHealth innovations might therefore help to facilitate physicians’ daily work.
UniZeit - Schülerzeitung der Julius-Maximilians-Universität Würzburg 2010/11 Inhaltsübersicht: - Sprache, Kultur, Medien - Ingenieurwissenschaften - Mathe und Informatik - Naturwissenschaften - Lebenswissenschaften - Erziehung und Gesellschaft - Recht und Wirtschaft - Nach der Vorlesung - Studienangebot - Weitere Informationen
181 names of Hieracium species going back to original herbarium material of Alexis Jordan or Alexandre Boreau are lectotypified, 27 are neotypified. The study is based on herbarium specimens of the Université Catholique de Lyon (LY) and Ville d’Angers (ANG), Martrin-Donos’s herbarium at the Institut Botanique de Montpellier (MPUTarn) and Arvet-Touvet’s herbarium at the Musée d’Histoire Naturelle de Grenoble (GRM-AT). The type specimens are illustrated by photographs of the entire herbarium sheets with some detail views of flower heads and leaves. Usual nomenclatural synonyms are given for each taxon.
Spontaneous neural activity has been shown to regulate crucial events in neurite growth including axonal branching and path finding. In animal models of spinal muscular atrophy (SMA) cultured embryonic mouse motoneurons show distinct defect in axon elongation and neural activity. This defect is governed by abnormal clustering of Ca2+ channels in the axonal regions and the protruding growth cone area. The mechanisms that regulate the opening of calcium channels in developing motoneurons are not yet clear. The question was addressed by blocking neural activity in embryonic cultured motoneurons by pharmacological inhibition of voltage-gated sodium channels (VGSC) by saxitoxin (STX) and tetrodotoxin (TTX). Low dosages of STX resulted in significant reduction of axon growth and neural activity in cultured motoneurons. This pharmacological treatment did not affect survival of motoneurons in comparison to control motoneurons that was grown in the presence of survival neurotrophic factors BDNF and CNTF. It was also found that STX was 10 times more potent than TTX a common inhibitor of VGSC with a reduced activity on the TTX-insensitive sodium channels NaV1.5, NaV1.8 and NaV1.9. Reverse Transcriptase-PCR experiments revealed the presence of NaV1.9 as the likely candidate that begins to express from embryonic stage sixteen in the mouse spinal cord. Immunolabelling experiments showed that the channel is expressed in the axonal compartments and axonal growth cones in cultured motoneurons. Suppression of NaV1.9 in cultured motoneurons by lentivirus mediated short hairpin-RNA (shRNA) resulted in shorter axon length in comparison with uninfected and scrambled constructs. Further, embryonic motoneurons cultured from NaV1.9 knockout mice also showed a significant reduction in neural activity and axon growth. The findings of this work highlight the role of NaV1.9 as an important contender in regulating activity dependent axon growth in embryonic cultured motoneurons. NaV1.9 could therefore be considered as a prospective molecule that could play an important role in regulating axon growth in motoneuron disease models like spinal muscular atrophy (SMA).
Osteoporose ist einer der häufigsten Knochenerkrankungen im fortschreitenden Alter und zählt, aufgrund der damit verbundenen hohen direkten und indirekten Behandlungskosten, zu einer der zehn wichtigsten volkswirtschaftlichen Krankheiten. Die Behandlung der Osteoporose ist langjährig und umfasst eine medikamentöse Therapie auf der Basis einer „knochengesunden“ Lebensweise hinsichtlich Ernährung und Bewegung. Im Rahmen von Untersuchungen zur Linderung von postmenopausalen Beschwerden, zeigte ein Extrakt der Pflanze Cimicifuga racemosa Potential zu osteoprotektiver Wirksamkeit und rückte somit in den Fokus für eine mögliche Anwendung in der Therapie und Prophylaxe von Osteoporose. Das Ziel der vorliegenden Arbeit war es daher, in enger Zusammenarbeit mit der Bionorica SE, welche für die Aufreinigung und Fraktionierung des Pflanzenextraktes zuständig war, und mit der Arbeitsgruppe um Prof. Wuttke, welche parallele Rattenstudien durchführte, Methoden anzuwenden, mit denen osteoprotektive Wirksamkeiten nachgewiesen und auf einzelne Fraktionen des Extraktes limitiert werden können. ...