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Handheld bedside ultrasound in the diagnosis of myocarditis

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World Journal of Emergency Medicine 2024年第1期15卷 73-74页

作者： Frank Wheeler Robin Lahr James espinosa Alan Lucerna Henry Schuitema Department of Emergency Medicine Rowan University School of Osteopathic MedicineStratford 08084USA Emergency Medicine Residency Program Jeff erson HealthStratford 08084USA Department of Emergency Medicine and Associate Chief Medical Offi cer Stratford 08084USA

Myocarditis is a disease process that every emergency physician fears *** severity can be mild to life-threatening,and many cases are likely undetected because they are subclinical with nonspecifi c signs.[1]Subtle cardiac signs may be overshadowed by systemic symptoms of the underlying infectious ***,myalgias,lethargy,symptoms commonly associated with viral syndrome,can mask the life-threatening myocarditis that may be *** fact,in the United States Myocarditis Treatment Trial,almost 90%of patients reported symptoms consistent with a viral prodrome.[2]Ammirati et al[3]reported that 27%of patients with myocarditis had either reduced left ventricular ejection fraction,ventricular arrhythmias,or low cardiac ***,we present a case report,in which handheld point-of-care ultrasound was utilized at the bedside to aid in the critical diagnosis of *** the additional information provided through this imaging modality,this patient was able to be transferred to the appropriate tertiary care facility in an expeditious manner and receive possible defi nitive treatment.

关键词： diagnosis myocarditis Fever

Phagocytosis: A Practical Approach for Evaluating Neutrophil Function in Health and Disease

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Modern Research in Inflammation 2024年第2期13卷 9-28页

作者： osca. rojas-espinosa Patricia Arce-Paredes Sergio Islas-Trujillo Luis Enrique Becerril-Villanueva María Dolores Ponce-Regalado Departamento de Inmunologa Escuela Nacional de Ciencias Biolgicas Instituto Politcnico Nacional Ciudad de Mxico Mxico Laboratorio de Psicoinmunologa Instituto Nacional de Psiquiatra Ramn de la Fuente Ciudad de Mxico Mxico Departamento de Ciencias de la Salud Centro Universitario de los Altos Universidad de Guadalajara Jalisco Mxico

Neutrophils, crucial players in the effector phase of the immune response, are recognized as important mediators of both innate and adaptive immune responses. Through the production of pro- and anti-inflammatory cytokines, they modulate the function of T and other lymphoid cells. Countless reports have highlighted the importance of these cells as efficient antimicrobial agents and annotated their involvement in the pathology of infectious and noninfectious diseases. The development of modern, sophisticated technologies has allowed the study of the functions of these cells in clinical settings. These advanced technologies include fluorescence-activated cell sorters, confocal microscopy, automated cell image analyzers, and live cell analysis instruments. Unfortunately, the cost of these modern instruments, maintenance, reagents, and the need for qualified technicians prohibit their use in low-income laboratories and universities in developing countries. With this in mind, we propose a series of basic tests that can be used in low-input clinical laboratories and universities to evaluate the function of neutrophils in health and disease. Our methodology allows us to assess in a practical and low-cost manner the functions of neutrophils in the phagocytic process, including opsonization, ingestion, ROI production (NBT reduction), myeloperoxidase content, phagosome-lysosome fusion, microbicidal activity, and NET production. Thus, under a disadvantageous ambiance, this may guide physicians in deciding whether a patient’s illness involves phagocytic defects without imposing a heavy financial *** Abstract[-rId13-]

关键词： Phagocytosis Neutrophils Microbicidal Activity Netosis

Reproductive patterns in Araucaria araucana forests in the Andean range, Chile

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Ecological Processes 2024年第1期13卷 252-261页

作者： Sergio Donoso Karen Pe?a-rojas Claudia Espinoza Carolain Badaracco Rómulo Santelices-Moya Antonio Cabrera-Ariza Mediterranean Forests Laboratory Faculty of Forestry and Nature Conservation Centro Secano Faculty of Agricultural and Forestry Sciences Universidad Católica del Maule Maule Advanced Studies Research Center Vice-Rector's Office for Research and Postgraduate Studies Catholic University of Maule

Background Araucaria araucana is a mast species that presents a high variability in annual cone production. Researchers have recorded synchronization events in cone production in different populations, which allows the seed production to be concentrated, reducing the percentage of seeds consumed by different animal *** We sampled three populations located in the Andes Mountains, Araucanía Region, Chile. In 2004 we began the collection of data on cone production, for which we installed permanent plots（1200 m2each） at each location. We identified and labeled each female tree in each plot to monitor its cone production. In 2012 we selected a total of 30 trees near the plots to evaluate the number of seeds per cone. In each February from 2012 to 2014 we selected two mature cones and covered them with a porous mesh for subsequent collection and storage in March. At the beginning of June, we counted and weighed the seeds, determining the average weight, the number of seeds per cone, the germination capacity（GC）, and the germination speed（GS）.Results Cone production was synchronous across the three locations. We observed significant differences among the locations and years evaluated. The cones had fewer seeds in 2013（high production） compared to those in 2012（low production）, but their weights were similar. In 2014 the cones produced smaller seeds in fewer quantities. The difference between the years 2013 and 2014 resulted from the high-energy expenditure in 2013. Regarding GC and GS, there were significant differences among the three locations（GC: F = 45.41, p < 0.01; GS: F = 96.08, p < 0.01）, where the highest values were observed in *** Both GC and GS are related to seed weight but not to the number of cones produced in a given year. These annual fluctuations in seed production are determining factors in the population dynamics of forest species. Our results allow a better understanding of the reproductive phenology of A. araucana and could hel

关键词： Seed weight Germination potential Masting species Sustainable use Dioecious species

Exercise-induced hypoalgesia in chronic neck pain: A narrative review

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Sports Medicine and Health Science 2024年第1期6卷 37-47页

作者： Fernando rojas-Galleguillos Cecilia Clark-Hormazabal Eduardo Mendez-Fuentes Francisco Guede-rojas Cristhian Mendoza Andres Riveros Valdes Claudio Carvajal-Parodi Universidad San Sebastian Programa Magíster en Kinesiología MusculoesqueleticaLientur#1457ConcepcionChile Exercise and Rehabilitation Sciences Laboratory School of Physical TherapyFaculty of Rehabilitation SciencesUniversidad Andres BelloSantiago7591538Chile Universidad San Sebastian Laboratoriode NeurobiologíFacultad de Odontologíay Ciencias dela RehabilitacionLientur#1457ConcepcionChile Universidad San Sebastian Departamento de Ciencias MorfologicasFacultad de MedicinaCienciaLientur#1457ConcepcionChile Universidad San Sebastian Escuelade KinesiologíaFacultad de OdontologíaCiencias dela RehabilitacionLientur#1457ConcepcionChile

Chronic neck pain(CNP)is a worldwide health problem with several risk *** of the most widely used treatments for managing this condition is therapeutic exercise,which could generate a response called exerciseinduced hypoalgesia(EIH).There is no consensus on the best exercise modality to induce ***,this review aims to analyze and synthesize the state-of-the-art about the hypoalgesic effect of exercise in subjects with *** included articles on EIH and CNP in patients older than 18 years,with pain for more than three months,where the EIH response was *** that studied CNP associated with comorbidities or measured the response to treatments other than exercise were *** studies reviewed reported variable *** in healthy subjects has been shown to reduce indicators of pain sensitivity;however,in people with chronic pain,the response is *** investigations reported adverse effects with increased pain intensity and decreased pain sensitivity,others found no clinical response,and some even reported EIH with decreased pain and increased *** is an identifiable,stimulable,and helpful therapeutic response in people with *** research is still needed on subjects with CNP to clarify the protocols and therapeutic variables that facilitate the EIH *** addition,it is necessary to deepen the knowledge of the intrinsic and extrinsic factors that influence EIH in people with CNP.

关键词： Exercise-induced hypoalgesia Neck pain Chronic pain Neck exercise therapy

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A Fruitful Foray

Beijing Review 2024年第36期67卷 42-43页

作者： Magdalena rojas China Hoy magazine

China and Chile are located on opposite sides of the ***,many Chinese havetasted Chilean wine or Chile's sweet and juicy *** latter are highly prized by consumers nationwide,as they flock to supermarkets in the leadup to the Spring Festival or lunisolar New Year,which fell on February 10 this year,to buy cherries,either for their own consumption or as gifts.

关键词： Spring nationwide latter

Una amistad más allá de la distancia

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今日中国（西文版） 2024年第3期 58-59页

作者： MAGDALENA rojas 不详

Liquid metal compartmented by polyphenol-mediated nanointerfaces enables high-performance thermal management on electronic devices

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InfoMat 2024年第1期6卷 83-95页

作者： Chaojun Zhang Yang Tang Tianyu Guo Yizhou Sang Ding Li Xiaoling Wang Orlando J.rojas Junling Guo BMI Center for Biomass Materials and Nanointerfaces College of Biomass Science and EngineeringSichuan UniversityChengduSichuanthe People's Republic of China Bioproducts Institute Departments of Chemical and Biological EngineeringThe University of British ColumbiaVancouverBritish ColumbiaCanada Institute of Development Studies Southwestern University of Finance and EconomicsChengduSichuanthe People's Republic of China National Engineering Laboratory for Clean Technology of Leather Manufacture Sichuan UniversityChengduSichuanthe People's Republic of China State Key Laboratory of Polymer Materials Engineering Sichuan UniversityChengduSichuanthe People's Republic of China

The exponentially increasing heat generation in electronic devices,induced by high power density and miniaturization,has become a dominant issue that affects carbon footprint,cost,performance,reliability,and *** metals(LMs)with high thermal conductivity are promising candidates for effective thermal management yet are facing pump-out and surface-spreading *** in the form of metallic particles can address these problems,but apparent alloying processes elevate the LM melting point,leading to severely deteriorated ***,we propose a facile and sustainable approach to address these challenges by using a biogenic supramolecular network as an effective diffusion barrier at copper particle-LM(EGaIn/Cu@TA)interfaces to achieve superior thermal *** supramolecular network promotes LM stability by reducing unfavorable alloying and fluidity *** EGaIn/Cu@TA exhibits a record-high metallic-mediated thermal conductivity(66.1 W m^(-1) K^(-1))and fluidic ***,mechanistic studies suggest the enhanced heat flow path after the incorporation of copper particles,generating heat dissipation suitable for computer central processing units,exceeding that of commercial *** results highlight the prospects of renewable macromolecules isolated from biomass for the rational design of nanointerfaces based on metallic particles and LM,paving a new and sustainable avenue for high-performance thermal management.

关键词： Electronic devices High thermal conductivity Liquid metals Natural polyphenols Thermal management

China,una decisión de vida

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今日中国（西文版） 2024年第2期 58-59页

作者： MAGDALENA rojas 不详

Navegar por el mercado chino

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今日中国（西文版） 2024年第1期 62-63页

作者： MAGDALENA rojas