Development and Application of an Interactive Neuropathology iBook as a Complementary Learning Tool for Veterinary Medicine Students.

Neuropathology is a challenging subject for most medical students. Delivering a gamified learning tool on this topic may motivate students and increase knowledge in the discipline. We report the development of such a tool in iBook format for the systemic pathology course delivered at Ross University School of Veterinary Medicine. Composed of 10 chapters (cases), this Neuropathology iBook (NP-iB) reviews basic clinical manifestations, neuropathology, and pathogenesis of common non-neoplastic conditions that cause brain disease in domestic animals. The goal of each chapter is to reach a diagnosis by interactively answering specific questions after reviewing relevant medical history, clinical pathology, and autopsy findings. Our hypothesis: the NP-iB improves students' ability to recognize these diseases, reflected in higher test scores. Using a post-test only control group design, data were gathered from all students enrolled in the course in two different semesters, fall 2017 and spring 2018 (n = 300). NP-iB users (n = 51, 17%) and usage time were identified by answers to multiple-choice questions embedded in the course assessments. Ninety percent of users had a positive perception although no statistically significant differences were found in median test scores between users and non-users. Statistically significant test score differences were found across how much time students used the NP-iB (p = .005); the lowest test score median values were found for neuropathology questions not related to the NP-iB, in students who used it for more than 3 hours. Unexpectedly, a low number of students preferred this digital learning tool, and its use did not improve their learning outcomes.

Comparación de proporciones áuricas encontradas antes y después de la rehabilitación con prótesis totales / Comparative study of auric proportions found before and after rehabilitation with dentures

Introducción: La belleza tiene una "proporción ideal" que se presenta en ciertas formas geométricas de la naturaleza con las características de ser armónicas, simétricas y equilibradas. Según Ricketts "es necesario utilizar proporciones áuricas ya que son atractivas y recordadas en el sistema límbico como bellas, armónicas y equilibradas". Objetivo: comparar proporciones faciales en el paciente desdentado sin prótesis y después de la rehabilitación con prótesis totales. Métodos: se obtuvieron los datos de 41 pacientes rehabilitados en la Clínica Odontológica de Prótesis Totales del Departamento de Prótesis, de la Universidad de Chile. Ellos fueron fotografiados mediante el equipo de Cone beam computed volumetric tomography con escaneo facial integrado y luego se midieron y compararon tres proporciones faciales antes y después de la rehabilitación con prótesis removible, y se observó cómo estas proporciones se acercaban o alejaban de la proporción áurica. El análisis estadístico de los datos obtenidos se realizó utilizando el software STATA 11. Se aplicaron las pruebas de Shapiro-Wilk y t de Student. Resultados: en la proporción 1 antes de la rehabilitación, se observó que 51,2 por ciento de los pacientes presentó proporción áurica y después de la rehabilitación se obtuvo que 63,4 por ciento presentó proporción áurica. En la proporción 2 antes de la rehabilitación, se observó que 22 por ciento de los pacientes presentó proporción áurica y después de la rehabilitación se obtuvo que 17,1 por ciento presentó proporción áurica. En la proporción 3 antes de la rehabilitación, se observó que ningún paciente presentó una proporción áurica y después de la rehabilitación se obtuvo que 7,3 por ciento presentó proporción áurica. Conclusiones: en esta muestra se presenta un cambio significativo en las proporciones faciales encontradas antes y después de la rehabilitación con prótesis en el paciente adulto mayor. La proporción ángulo externo del ojo a Stomion, en proporción con Stomion a Menton es la que muestra mayor cercanía a la proporción áurica antes y después de la rehabilitación con prótesis totales(AU)

Introduction: beauty has an "ideal proportion" that occurs in certain shapes of nature with the characteristics of being harmonious, symmetrical and balanced. According to Ricketts, you need to use auric proportions as they are attractive and remembered in the limbic as beautiful, harmonious and balanced system. Objective: to compare facial auricle proportions in the edentulous patient without dentures and after rehabilitation with dentures. Methods: we obtained data of 41 patients rehabilitated with total dental prostheses at the Clinic Department of Prosthodontics, University of Chile. They were photographed by the team of Cone beam computed volumetric tomography with facial scanning integrated and then measured and compared three facial proportions before and after rehabilitation with removable prosthesis, watching these ratios approaching or receding from the auric proportion. Statistical analysis of the data was performed using software STATA version 11. The tests Shapiro-Wilk and Student-T test were applied. Results: in the facial proportion 1 before rehabilitation, was observed that 51.2 percent of patients have auric proportion and after rehabilitation was obtained that 63.4 percent had auric proportion. In the facial proportion 2 before rehabilitation, was observed that 22 percent of patients had auric proportion and after rehabilitation was obtained that 17.1 percent had auric proportion. In the facial proportion 3 before rehabilitation, was observed that no patient had auric proportion and after rehabilitation we found that 7.3 percent had auric proportion. Conclusions: in this sample shows a significant change in facial proportions found before and after prosthetic rehabilitation in the elderly patients. Proportion external angle of the eye Stomion in proportion to Stomion Menton is showing closer to the auric ratio before and after rehabilitation with dentures(AU)

Percepción estética del paciente desdentado comparada con la opinión de expertos / The aesthetic self-perception of the edentulous patient compared to the opinion of experts

Objetivo Relacionar la autopercepción estética de pacientes desdentados rehabilitados protésicamente con la opinión de expertos en estética facial. Materiales y métodos A una muestra por conveniencia de 40 pacientes desdentados se les tomó 2 fotografías faciales 3D: sin prótesis y con prótesis nuevas, respectivamente. Posteriormente a cada paciente se le mostró sus imágenes y evaluó su satisfacción respecto al cambio facial mediante una pregunta en escala tipo Likert. A continuación se mostró las imágenes a 5 profesionales con especialidades relacionadas con estética facial, quienes evaluaron el cambio facial de cada paciente utilizando la misma escala tipo Likert. Finalmente, se procedió a comparar los resultados mediante el test no paramétrico de Wilcoxon para determinar diferencias estadísticas entre las preferencias de los pacientes y los expertos. Resultados Tanto las respuestas de los pacientes como de los expertos fueron positivas. Se encontró diferencia estadística al comparar las respuestas de ambos grupos, con un valor p = 0,00, siendo los expertos más críticos en su evaluación. Conclusión La autopercepción estética del paciente desdentado total rehabilitado con prótesis totales y la opinión del panel de expertos son concordantes, siendo ambas positivas. Cabe destacar que estos últimos fueron más críticos en sus apreciaciones.

Objective To determine the relationship between the aesthetic self-perception of edentulous patients rehabilitated with dentures and the opinion of facial aesthetics experts. Materials and methods Two facial 3D photographs, without dentures and with new dentures, respectively, were taken of a convenience sample of 40 edentulous patients. The images were subsequently shown to the patients, and they assessed their satisfaction of the facial change using Likert scale question. The photographs of the patients were also shown to 5 professionals with specialties related to facial aesthetics. Facial change was evaluated using the same Likert scale as the patients. Finally, the results were compared using the non-parametric Wilcoxon test to determine any statistical differences between the preferences of patients and the experts. Results The perception of patients and experts are positive. Significant statistical differences were found after comparing the responses of both groups, with p=.00, with the experts being more critical in their assessment. Conclusion The aesthetic perception of edentulous patients rehabilitated with complete dentures and the opinion of a panel of aesthetic experts are concordant, both being positive. It is important to note that experts were more critical in their assessment.

Defining parasite biodiversity at high latitudes of North America: new host and geographic records for Onchocerca cervipedis (Nematoda: Onchocercidae) in moose and caribou.

BACKGROUND: Onchocerca cervipedis is a filarioid nematode of cervids reported from Central America to boreal regions of North America. It is found primarily in subcutaneous tissues of the legs, and is more commonly known as 'legworm'. Blackflies are intermediate hosts and transmit larvae to ungulates when they blood-feed. In this article we report the first records of O. cervipedis from high latitudes of North America and its occurrence in previously unrecognized host subspecies including the Yukon-Alaska moose (Alces americanus gigas) and the Grant's caribou (Rangifer tarandus granti). METHODS: We examined the subcutaneous connective tissues of the metacarpi and/or metatarsi of 34 moose and one caribou for parasitic lesions. Samples were collected from animals killed by subsistence hunters or animals found dead in the Northwest Territories (NT), Canada and Alaska (AK), USA from 2005 to 2012. Genomic DNA lysate was prepared from nematode fragments collected from two moose. The nd5 region of the mitochondrial DNA was amplified by PCR and sequenced. RESULTS: Subcutaneous nodules were found in 12 moose from the NT and AK, and one caribou from AK. Nematodes dissected from the lesions were identified as Onchocerca cervipedis based on morphology of female and male specimens. Histopathological findings in moose included cavitating lesions with multifocal granulomatous cellulitis containing intralesional microfilariae and adults, often necrotic and partially mineralized. Lesions in the caribou included periosteitis with chronic cellulitis, eosinophilic and lymphoplasmacytic infiltrate, and abundant granulation associated with intralesional adult nematodes and larvae. Sequences of the nd5 region (471bp), the first generated for this species, were deposited with Genbank (JN580791 and JN580792). Representative voucher specimens were deposited in the archives of the United States National Parasite Collection. CONCLUSIONS: The geographic range of O. cervipedis is broader than previously thought, and extends into subarctic regions of western North America, at least to latitude 66°N. The host range is now recognized to include two additional subspecies: the Yukon-Alaska moose and Grant's caribou. Accelerated climate change at high latitudes may affect vector dynamics, and consequently the abundance and distribution of O. cervipedis in moose and caribou. Disease outbreaks and mortality events associated with climatic perturbations have been reported for other filarioids, such as Setaria tundra in Fennoscandia, and may become an emerging issue for O. cervipedis in subarctic North America.

Echinococcus multilocularis in urban coyotes, Alberta, Canada.

Echinococcus multilocularis is a zoonotic parasite in wild canids. We determined its frequency in urban coyotes (Canis latrans) in Alberta, Canada. We detected E. multilocularis in 23 of 91 coyotes in this region. This parasite is a public health concern throughout the Northern Hemisphere, partly because of increased urbanization of wild canids.

Assessing clinical competency: reports from discussion groups.

This report describes proposed new models for assessment of eight of the nine clinical competencies the American Veterinary Medical Association Council on Education requires for accreditation. The models were developed by discussion groups at the Association of American Veterinary Medical Colleges' Clinical Competency Symposium. Clinical competencies and proposed models (in parentheses) are described. Competency 1: comprehensive patient diagnosis (neurologic examination on a dog, clinical reasoning skills); Competency 2: comprehensive treatment planning (concept mapping, computerized case studies); Competency 3: anesthesia, pain management (student portfolio); Competency 4: surgery skills (objective structured clinical examination, cased-based examination, "super dog" model); Competency 5: medicine skills (clinical reasoning and case management, skills checklist); Competency 6: emergency and intensive care case management (computerized case study or scenario); Competency 7: health promotion, disease prevention/biosecurity (360 degrees evaluation, case-based computer simulation); Competency 8: client communications and ethical conduct (Web-based evaluation forms, client survey, communicating with stakeholders, telephone conversation, written scenario-based cases). The report also describes faculty recognition for participating in clinical competency assessments.