Perspectives on the use of the Fraction Strips application in teaching fractions

The COVID-19 pandemic has exposed the digital divide and the limited tech-nopedagogical proficiency of teachers. To improve the teaching of fractions, thirty elementary school teachers were trained in the use of the Fraction Strips virtual manipulative. Phenomenology was used to assess their learning experiences and the dynamics of technological appropriation were recorded. The results showed a significant appropriation of the manipulative, the importance of multiple representations in the conceptual understanding of fractions and the promotion of meaningful and discovery learning. In conclusion, the training improved the teach-ers' digital competencies and pedagogical practices. © GKA Ediciones, authors. Creative Commons Reconocimiento-NoComercial-SinObraDerivada.

Liver injury due to COVID-19 in critically ill adult patients. A retrospective study.

INTRODUCTION AND AIM: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged, causing the current pandemic of acute respiratory disease known as COVID-19. Liver injury due to COVID-19 is defined as any liver injury occurring during the course of the disease and treatment of patients with COVID-19, with or without liver disease. The incidence of elevated liver transaminases, alanine aminotransferase (ALT) and aspartate aminotransferase (AST), ranges from 2.5 to 76.3%. The aim of the present study was to describe the hepatic biochemical abnormalities, after a SARS-CoV-2-positive polymerase chain reaction (PCR) test, and the mortality rate in critically ill patients. MATERIALS AND METHODS: A retrospective study was conducted that included 70 patients seen at a private hospital in Mexico City, within the time frame of February-December 2021. Median patient age was 44.5 years (range: 37-57.2) and 43 (61.4%) of the patients were men. Liver function tests were performed on the patients at hospital admission. RESULTS: Gamma glutamyl transferase (GGT) levels were elevated (p = 0.032), as were those of AST (p = 0.011) and ALT (p = 0.021). The patients were stratified into age groups: 18-35, 36-50, and > 50 years of age. The 18 to 35-year-olds had the highest liver enzyme levels and transaminase levels were higher, the younger the patient. Due to the low mortality rate (one patient whose death did not coincide with a hepatic cause), the multivariate analysis showed an R2 association of 0.689, explained by AST, GGT, and C-reactive protein levels. CONCLUSIONS: Despite the increase in transaminases in our study population during the course of COVID-19, there was no increase in mortality. Nevertheless, hospitalized patient progression should be continuously followed.

Liver injury due to COVID-19 in critically ill adult patients. A retrospective study Lesión hepática por COVID-19 en pacientes adultos criticamente enfermos. Estudio retrospectivo

Graphical Introduction and aim Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged, causing the current pandemic of acute respiratory disease known as COVID-19. Liver injury due to COVID-19 is defined as any liver injury occurring during the course of the disease and treatment of patients with COVID-19, with or without liver disease. The incidence of elevated liver transaminases, alanine aminotransferase (ALT) and aspartate aminotransferase (AST), ranges from 2.5 to 76.3%. The aim of the present study was to describe the hepatic biochemical abnormalities, after a SARS-CoV-2-positive polymerase chain reaction (PCR) test, and the mortality rate in critically ill patients. Materials and methods A retrospective study was conducted that included 70 patients seen at a private hospital in Mexico City, within the time frame of February-December 2021. Median patient age was 44.5 years (range: 37-57.2) and 43 (61.4%) of the patients were men. Liver function tests were performed on the patients at hospital admission. Results Gamma glutamyl transferase (GGT) levels were elevated (p = 0.032), as were those of AST (p = 0.011) and ALT (p = 0.021). The patients were stratified into age groups: 18-35, 36-50, and > 50 years of age. The 18 to 35-year-olds had the highest liver enzyme levels and transaminase levels were higher, the younger the patient. Due to the low mortality rate (one patient whose death did not coincide with a hepatic cause), the multivariate analysis showed an R2 association of 0.689, explained by AST, GGT, and C-reactive protein levels. Conclusions Despite the increase in transaminases in our study population during the course of COVID-19, there was no increase in mortality. Nevertheless, hospitalized patient progression should be continuously followed.

Humans, robots and artificial intelligences reconfiguring urban life in a crisis

Autonomous urban robots were introduced in Milton Keynes (MK), UK, in 2018 to automate on-demand grocery delivery. Two years later the COVID-19 pandemic rendered routine activities such as delivering groceries or visiting the supermarket unexpectedly unsafe for humans. The ensuing disruption provided opportunities to investigate the potentialities of robotic and autonomous systems to provide cities with resources for coping with unexpected situations such as pandemics, heatwaves and blizzards and ultimately to transform and reinforce urban flows, leading to new ways of living in the city that arise as a result of emerging human-robot constellations. The crisis accelerated the ongoing transformation in human-robot relationships and made its tensions and potentials visible. The case of MK suggests that the cognitive capabilities of urban AIs are not to be found exclusively in computer bits and human neurons but arise from encounters and contexts, with institutions, policies, practices and even the materiality of the city itself being crucial to the emergence of urban AI. Copyright © 2023 Valdez and Cook.

Mapping the Suitability of Existing and Probable Isolation Facilities

This study aimed to map the accessibility of the existing isolation facilities in Cabagan, Isabela, and propose probable locations suitable for establishing isolation facilities using the Geographic Information System (GIS). Digital datasets of the current isolation facilities were used in the study, along with factors such as land uses, hazards, landfills, and road networks that should be taken into consideration when choosing potential locations for isolation facilities. These factors follow the guidelines set by the Department of Health (DOH). The processing and generation of layers related to the criteria were done using GIS techniques, specifically overlay analysis tools. In order to project an appropriate map of potential isolation facilities in Cabagan, Isabela, the layers were combined and overlaid. The existing isolation facilities are accessible to Milagros Albano District Hospital (MADH) since all of them are adjacent to national or barangay roads. More than half, or 65.38%, of the isolation facilities, belong to areas with low to moderate susceptibility to flooding, and 26.92% are in areas with high susceptibility to flooding. Furthermore, all isolation facilities are open to the public, with 53.85% of existing isolation facilities in residential areas, 7.69% in commercial areas, and 38.46% in agricultural areas. The suitability map of proposed isolation facilities was successfully generated, showing that 100% of the proposed isolation facilities are accessible from any road network in the municipality with low and moderate susceptibility to flooding and low susceptibility to landslides. © 2022 IEEE.

[People's perceptions with motor disabilities of rehabilitation during the COVID-19 pandemic]. / Percepciones sobre la rehabilitación durante la pandemia por COVID-19 de las personas con discapacidad motora.

BACKGROUND AND OBJECTIVE: The World Health Organization declared COrona VIrus Disease 19 (COVID-19) a pandemic and recommended social distancing as a preventive measure. This affected all medical-clinical treatments, including those related to the physical rehabilitation process. The objective was to describe the perceptions about the rehabilitation process due to the modifications experienced by people with motor disabilities in a rehabilitation hospital during the COVID-19 pandemic. PATIENTS AND METHODS: Qualitative design. The sample chosen was for convenience and the data analysis was by thematic analysis, which allows to identify, analyze and report themes. The interviews were conducted with patients seen in the physiotherapy división of the hospital. INCLUSION CRITERIA: adults >18 years old, diagnosis of motor disability, undergoing physical treatment ≥1 month on an outpatient basis, with early discharge from hospitalization or hospitalization at the time of the study and signing of the informed consent. EXCLUSION CRITERIA: physical discharge for reasons other than COVID-19 and diagnosis of psychiatric illness. RESULTS: The sample consisted of 16 participants. 31.2% were female. Twelve presented various neurological alterations and 4 amputation effects. Four main themes were identified: importance of rehabilitation, treatment modifications/interruption, activities of daily living and tele-rehabilitation. CONCLUSIONS: Perceptions about the rehabilitation process and the impact on the modifications experienced in people with motor disabilities were described. We highlight the importance of tele-rehabilitation as an alternative resource.

PERCEPCIONES SOBRE LA REHABILITACIÓN DURANTE LA PANDEMIA COVID-19 DE LAS PERSONAS CON DISCAPACIDAD MOTORA PEOPLE´S PERCEPTIONS WITH MOTOR DISABILITIES OF REHABILITATION DURING THE COVID-19 PANDEMIC

Antecedentes y objetivo. La Organización Mundial de la Salud declaró a la infección por COrona VIrus Disease 19 (COVID-19) como pandemia y recomendó como medida preventiva, el distanciamiento social. Esto afectó todos los tratamientos médico-clínicos incluidos los relacionados con el proceso de rehabilitación física. El objetivo fue describir las percepciones sobre el proceso de rehabilitación debido a las modificaciones experimentadas por las personas con discapacidad motora de un hospital de rehabilitación durante la pandemia COVID-19. Pacientes y métodos. Diseño cualitativo. La muestra elegida fue por conveniencia y el análisis de datos fue por análisis temático, el cual permite identificar, analizar y reportar temas relevantes. Las entrevistas se realizaron a pacientes atendidos en la División de Kinesiología. Criterios de inclusión: adultos >18 años, diagnóstico de discapacidad motora, en tratamiento kinésico ≥1 mes de forma ambulatoria, con alta temprana de internación o internados al momento de la realización del estudio y firma del consentimiento informado. Criterios de exclusión: alta kinésica por motivos diferentes a la COVID-19 y diagnóstico de enfermedad psiquiátrica. Resultados. La muestra se compuso de 16 participantes. El 31,2% era de sexo femenino. Doce presentaron diversas alteraciones neurológicas y 4, secuelas de amputación. Se identificaron 4 temas principales: importancia de la rehabilitación, modificaciones/interrupción del tratamiento, actividades de la vida diaria y telerrehabilitación. Conclusiones. Se describieron las percepciones sobre el proceso de rehabilitación y el impacto en las modificaciones experimentadas en las personas con discapacidad motora. Destacamos la importancia de la telerrehabilitación como un recurso alternativo.

Humans and robots coping with crisis - Starship, Covid-19 and urban robotics in an unpredictable world

In 2018 "Starship"grocery delivery robots were first introduced in Milton Keynes (MK), a new town in England, to automate a task that is difficult to perform in a cost-effective manner by humans - that of on-demand grocery delivery. Two years later the Covid-19 pandemic rendered routine activities such as delivering groceries or visiting the supermarket unexpectedly unsafe. The ability of robots to operate in environments that are dangerous for humans was brought into sharp relief by the Covid-19 pandemic but it may also be relevant in other crisis situations such as those that may be caused by heat waves, blizzards and other extreme events associated with climate change. Drawing on a case study of Starship robots in MK, this contribution investigates the potential of robotic and autonomous systems to provide cities with tools for coping with such unexpected situations. © 2021 IEEE.

Prevention, diagnosis, and treatment of delirium in older adults with COVID-19. Literature review

Background. COVID-19 affects several systems in the body, including the central nervous system (CNS), expressed in the form of headaches, hyposmia, cerebrovascular disease, and neuropathy. Older Adults (OA) are vulnerable to this infection, and may also present delirium, which may be the result of the virus directly affecting the CNS or of systemic inflammation during infection. Objective. To determine the clinical characteristics, risk factors, pathophysiology, treatment measures, and prevention of delirium associated with COVID-19 from a review of the literature in times of the SARS-CoV-2 pandemic. Method. A search was conducted in PubMed, SciELO, UpToDate, and Medscape using keywords in English and Spanish. Results. Seventy-two articles were reviewed. We analyzed inclusion and exclusion criteria and 43 articles with relevant information for the narrative description of the review were selected. Twenty to thirty per cent of the COVID-19 patients will present or develop delirium, or changes in mental status during their hospitalization, with rates of 60% to 70% in severe illness. The exact mechanisms are likely to be multifactorial. There is a worrying lack of attention to the implications of identifying and managing delirium in the response to this pandemic. Discussion and conclusion. Delirium is a frequent neurological manifestation in OA with COVID-19 and requires early identification, as well as the implementation of non-pharmacological and pharmacological treatment strategies, which may reduce the associated morbidity and mortality in this age group.