Chemical and Energetic Characterization of the Wood of Prosopis laevigata: Chemical and Thermogravimetric Methods.

Diverse methodologies exist to determine the chemical composition, proximate analysis, and calorific value of biomass. Researchers select and apply a specific methodology according to the lignocellulosic material they study and the budgetary resources available. In this project, we determined the primary chemical constitution and proximate analysis of Prosopis laevigata (Humb. & Bonpl.) Jonhst wood using a traditional chemical method and a novel procedure based on the deconvolution of the DTG signal produced by TGA. The highest calorific value was verified using a calorimetric pump based on mathematical models. We also conducted elemental analysis and a microanalysis of ash, and applied Fourier transform infrared spectroscopic analysis (FT-IR). The means of the results obtained by the chemical method and TGA-DTG, respectively, were: hemicelluloses 7.36%-(8.72%), cellulose 48.28%-(46.08%), lignin 30.57%-(32.44%), extractables 13.53%-(12.72%), moisture 2.03%-(4.96%), ash 1.77%-(1.90%), volatile matter 75.16%-(74.14%), and fixed carbon 23.05%-(18.93%). The procedure with the calorimetric pump generated a calorific value above 20.16 MJ/kg. The range generated by the various models was 18.23-21.07 MJ/kg. The results of the elemental analysis were: carbon 46.4%, hydrogen 6.79%, oxygen 46.43%, nitrogen 0.3%, and sulfur 0.5%. The microanalysis of ash identified 18 elements. The most abundant ones were potassium ˃ calcium ˃ sodium. Based on the infrared spectrum (FT-IR) of Prosopis laevigata wood, we detected the following functional groups: OH, C-H, C=O, CH2, CH3, C-O-C, C-OH, and C4-OH. Our conclusion is that the TGA-DTG method made it possible to obtain results in less time with no need for the numerous reagents that chemical procedures require. The calorific value of P. laevigata wood is higher than the standards. Finally, according to our results, proximate analysis provides the best model for calculating calorific value.

Techno-functional aspects of kombucha analogs formulated from mulberry coproducts.

This study investigated the techno-functional conditions for producing fermented beverages using the kombucha artisanal consortium (kAC) while implementing sustainable strategies. According to the circular economy principles, the study focused on mulberry coproducts (MC) generated as agro-industrial waste during mulberry fruit production. The presence of target microorganisms in the beverage and biofilm was recorded to determine the MC content necessary for establishing kAC. Additionally, the physicochemical characteristics, carbohydrate and polyphenol profiles were analyzed to understand their impact on antioxidant activity and sensory responses in the soft drink. Notably, a concentration of 0.25% MC was found to yield fermented soft drinks rich in probiotic populations and displaying nutraceutical qualities that enhance antioxidant activity and sensory acceptability. This study offers valuable technical guidance for repurposing mulberry pruning coproducts in the creation of novel products.

Revisión sistemática de las aplicaciones y límites de la impresión 3D en la cirugía de raquis / Systematic review of the utility and limits of 3D printing in spine surgery

Objetivo: El objetivo principal de este estudio ha sido demostrar por qué la impresión aditiva permite hacer más visibles y entendibles los procesos patológicos quirúrgicos complejos que afectan al raquis, aumentando la precisión, la seguridad y la fiabilidad del procedimiento quirúrgico.MetodologíaSe realizó una revisión sistemática de los trabajos publicados en los últimos 10 años, sobre la cirugía de raquis asistida por impresión 3D, de acuerdo con la declaración PRISMA 2020. Con las palabras clave «printing 3D» y «spine surgery» se hicieron búsquedas en las bases de datos Pubmed, Embase, Cochrane Database of Systematic Reviews, Google Scholar y Opengrey, que se completó con la búsqueda manual a través de la lista de referencias bibliográficas de los artículos que fueron seleccionados siguiendo los criterios de inclusión y exclusión definidos.ResultadosDel análisis de los 38 estudios seleccionados resultó que la impresión 3D es útil en la planificación quirúrgica, en la enseñanza médica, en la relación médico-paciente, así como en el diseño de plantillas de navegación e implantes de raquis y, en investigación, ofreciendo un magnífico apoyo al proceder quirúrgico.ConclusionesEl uso de biomodelos impresos de forma tridimensional permite: hacer más visibles y entendibles los procesos patológicos quirúrgicos complejos que afectan al raquis; aumentar la exactitud, precisión y seguridad del procedimiento quirúrgico; y abrir la posibilidad de poner en práctica tratamientos personalizados, fundamentalmente en la cirugía tumoral. (AU)

Objective: The main objective of this study has been to demonstrate why additive printing allows to make complex surgical pathological processes that affect the spine more visible and understandable, increasing precision, safety and reliability of the surgical procedure.MethodsA systematic review of the articles published in the last 10 years on 3D printing-assisted spinal surgery was carried out, in accordance with PRISMA 2020 declaration. Keywords «3D printing» and «spine surgery» were searched in Pubmed, Embase, Cochrane Database of Systematic Reviews, Google Scholar and Opengrey databases, which was completed with a manual search through the list of bibliographic references of the articles that were selected following the defined inclusion and exclusion criteria.ResultsFrom the analysis of the 38 selected studies, it results that 3D printing is useful in surgical planning, medical teaching, doctor–patient relationship, design of navigation templates and spinal implants, and research, optimizing the surgical process by focusing on the patient, offering magnificent support during the surgical procedure.ConclusionsThe use of three-dimensional printing biomodels allows: making complex surgical pathological processes that affect the spine more visible and understandable; increase the accuracy, precision and safety of the surgical procedure, and open up the possibility of implementing personalized treatments, mainly in tumor surgery. (AU)

Systematic review of the utility and limits of 3D printing in spine surgery.

OBJECTIVE: The main objective of this study has been to demonstrate why additive printing allows to make complex surgical pathological processes that affect the spine more visible and understandable, increasing precision, safety and reliability of the surgical procedure. METHODS: A systematic review of the articles published in the last 10 years on 3D printing-assisted spinal surgery was carried out, in accordance with PRISMA 2020 declaration. Keywords "3D printing" and "spine surgery" were searched in Pubmed, Embase, Cochrane Database of Systematic Reviews, Google Scholar and Opengrey databases, which was completed with a manual search through the list of bibliographic references of the articles that were selected following the defined inclusion and exclusion criteria. RESULTS: From the analysis of the 38 selected studies, it results that 3D printing is useful in surgical planning, medical teaching, doctor-patient relationship, design of navigation templates and spinal implants, and research, optimizing the surgical process by focusing on the patient, offering magnificent support during the surgical procedure. CONCLUSIONS: The use of three-dimensional printing biomodels allows: making complex surgical pathological processes that affect the spine more visible and understandable; increase the accuracy, precision and safety of the surgical procedure, and open up the possibility of implementing personalized treatments, mainly in tumor surgery.

Caracterización de la autonomía como indicador clave en las habilidades de aprender a aprender en estudiantes de medicina

Fundamento: la autonomía permite a los estudiantes pensar por sí mismos, con sentido crítico e independencia, tener en cuenta diferentes puntos de vista y actuar en correspondencia con ellos. Constituye un indicador necesario en el estudio de las habilidades de aprender a aprender. Objetivo: caracterizar la autonomía como indicador de las habilidades de aprender a aprender en estudiantes de medicina. Métodos: se empleó un diseño mixto de investigación del tipo explicativo secuencial. La investigación se realizó de octubre de 2021 a marzo de 2022 en la Universidad de Ciencias Médicas de Cienfuegos. La muestra no probabilística, intencionada, quedó constituida por 255 estudiantes del primer año de la carrera de Medicina. Para la recolección de información se utilizó el cuestionario que evalúa el nivel de formación de las habilidades de aprender a aprender, observaciones a actividades docentes y grupos focales. Resultados: la autonomía está presente en el 45,4 % de los estudiantes, según cuestionario. En los grupos focales algunos estudiantes reconocen presentar insuficiencias en algunos indicadores de la autonomía, lo que se corresponde con los datos obtenidos en las observaciones a las actividades docentes. Conclusiones: la autonomía como indicador clave de las habilidades de aprender a aprender en los estudiantes del primer año de la Universidad de Ciencias Médicas de Cienfuegos se caracterizó por una baja expresión en los procesos de aprendizaje de los estudiantes de medicina.

Background: autonomy allows students to think for themselves, critically and independently, take into account different points of view and act accordingly. It constitutes a necessary indicator in the study of learning-to-learn skills. Objective: to characterize autonomy as an indicator of learning-to-learn skills in medical students. Methods: a mixed research design of the sequential explanatory type was used. The research was carried out from October 2021 to March 2022 at the Cienfuegos University of Medical Sciences. The intentional, non-probabilistic sample was made up of 255 Medicine first-year students. The questionnaire that evaluates the learning to learn skills training level, observations of teaching activities and focus groups were used to collect information. Results: autonomy is present in 45.4% of the students, according to the questionnaire. In the focus groups, some students acknowledge presenting deficiencies in some autonomy indicators, which corresponds to the data obtained in the observations of teaching activities. Conclusions: autonomy as a learning to learn skills key indicator in the Cienfuegos Medical Sciences University first-year students, was characterized by a low expression in the medical students' learning processes.

Superación profesional pedagógica y formación de la habilidad búsqueda de la información / Pedagogical professional improvement and the ability formación to search for information

RESUMEN El actual desarrollo de la ciencia y la técnica constituye un reto para las universidades médicas, como centros de formación en pos de garantizar un egresado capaz de gestionar el conocimiento necesario para cumplimentar su encargo social. Se precisa de una adecuada habilidad para la búsqueda de la información, la cual permita una apropiada gestión del conocimiento y mejores resultados docentes; pero el claustro profesoral debe planificar acciones estratégicas con vistas a alcanzar la formación de esta habilidad de investigación. Se sugieren acciones para trabajar en la formación de la habilidad antes mencionada, sobre la base de talleres que aborden las esencialidades para su operacionalización a través de contenidos que se imparten; y tributen a la ejecución de investigaciones estudiantiles. La búsqueda de información no solo brinda herramientas para el desarrollo de las investigaciones, sino también constituye un instrumento para fomentar las habilidades lógicas del pensamiento, con elevado impacto cuando el estudiante, de forma independiente, enfrenta tareas de mayor envergadura, por lo que se sugiere desarrollar un sistema de talleres para la preparación profesoral.

ABSTARCT The current development of science and technology constitutes a challenge for medical universities, as training centers in order to guarantee a graduate capable of managing the necessary knowledge to fulfill their social mission. An adequate ability to search for information is required, which allows for proper knowledge management and better teaching results; but the teaching staff must plan strategic actions with a view to achieving the formation of this research skill. Actions are suggested to work on the formation of the aforementioned skill, based on workshops that address the essentials for its operationalization through the contents that are taught; and tax the execution of student research. The search for information not only provides tools for the development of research, but also constitutes an instrument to promote logical thinking skills, with a high impact when the student, independently, faces larger tasks, for which it is suggested develop a system of workshops for teacher preparation.

Spinal health in 40 patients in the initial stage of laboural life. Morfogeometric, biological and environmental study.

INTRODUCTION: Assuming that spinal shape is a genetic expression, its analysis and acquired factors could assess their respective contribution to early spine deterioration. MATERIAL AND METHODS: A geometric morphometric analysis was retrospectively performed on sagittal lumbar MRI of young patients with back pain to identify lumbar spine shape changes. Using Geometric Morphometrics, findings were analyzed with anthropometric, radiological, and clinical variables. RESULTS: 80 cases under 26 years of age were collected, 55 men (mean age 22.81) and 25 women (mean age 23.24). MRI abnormalities were reported in 57.5%: single altered disc (N=17), root compromises (N=8), and transition anomalies (35%).In the non-normal MRI subgroup, shape variation included: increased lordosis, enlarged vertebral body, canal stenosis, and lumbarization of S1. In non-Spanish origin patients, lumbar straightening and segmental deformities were prevalent. Morphometrics findings showed that lumbosacral transition anomalies are frequently underreported. CONCLUSIONS: Genetic factors could be the main determinants of abnormality in MRIs under 26 years. The primary markers are transitional abnormalities, segmental deformities, and canal stenosis. In foreign populations, shape changes could suggest spine overload at an early age.

Peripheral odontogenic keratocyst: Clinicopathological and immunohistochemical characterization.

OBJECTIVE: The aim of this study is to present and discuss the salient clinicopathological features, differential diagnosis and epithelial immunohistochemical profile of three additional cases of peripheral odontogenic keratocyst (POKC) and to present a review of the literature. POKC is a locally aggressive odontogenic lesion. The peripheral variant of the odontogenic keratocyst is rare and more frequently located in anterior gingiva. MATERIAL AND METHODS: We present the clinicopathological features of 3 new cases of POKC (2 women and 1 man; age range: 14-74 years). Immunohistochemical study included CK7, CK14, CK19 and Ki-67, and a systematic review of the literature was performed in PubMed, Scopus and Web of Science databases. RESULTS: All cases were located in the anterior gingiva (2 in maxilla and 1 mandible), and none corresponded to Gorlin-Goltz syndrome. High expression of CK14 was seen in all cases, with CK19 and CK7 been only focally positive. The expression of Ki-67 was located in the basal and parabasal cells in all cases. CONCLUSIONS: POKC is a rare gingival lesion that seems to originate from remnants of dental lamina or from the basal cells of the gingival epithelium and present a similar histopathology as compared to intraosseous OKC.

Estado de la enseñanza del diagnóstico de afecciones pulpares y periapicales centrada en el método clínico / Status of the pulp and periapical disorders diagnosis teaching focused on the clinical method

RESUMEN Fundamento: la enseñanza del diagnóstico de las afecciones pulpares y periapicales se enmarca como un contenido esencial del proceso de enseñanza-aprendizaje en la asignatura de Operatoria Clínica, para cumplir las funciones principales declaradas en el perfil profesional del modelo de formación del estomatólogo general en Cuba. Objetivo: determinar el estado actual de la enseñanza del diagnóstico de afecciones pulpares y periapicales en la asignatura de Operatoria Clínica de la carrera de Estomatología. Métodos: investigación observacional, descriptiva y de corte transversal realizada en la Universidad de Ciencias Médicas de Cienfuegos sobre una población conformada por 8 docentes y los 37 estudiantes de tercer año del curso 2017-2018. Se utilizó una guía para observar de forma directa cómo se realiza la enseñanza del diagnóstico de las afecciones pulpares y periapicales y se aplicó una encuesta a profesores y estudiantes con preguntas cerradas. Resultados: se evidenció como fortaleza que predomina la educación en el trabajo como forma organizativa y existen referencias de la enseñanza del método clínico en la carrera de medicina. Se constataron limitaciones en el claustro respecto a las categorías docentes, científicas y años de experiencia; limitado aprovechamiento de la caracterización de los estudiantes y sus resultados así como deficiente aplicación de las acciones esenciales correspondientes a la etapa diagnóstica del método clínico y prevalencia del papel autoritario del docente. Conclusiones: aún existen limitaciones en la enseñanza actual del diagnóstico de las afecciones pulpares y periapicales en la población objeto de estudio.

ABSTRACT Background: the teaching of the pulp and periapical diseases diagnosis is defined as an essential content of the teaching-learning process in the Clinical Operative subject, to fulfill the main functions declared in the professional profile of the general stomatologist training model in Cuba. Objective: to determine the current state of pulp and periapical disorders teaching diagnosis in the Stomatology career Clinical Operative subject. Methods: observational, descriptive and cross-sectional research carried out at the Cienfuegos University of Medical Sciences on a population of 8 teachers and 37 third-year students of the 2017-2018 academic year. A guide was used to directly observe how the teaching of the diagnosis of pulp and periapical diseases is carried out and a survey was applied to teachers and students with closed questions. Results: it was evidenced as a strength that education at work predominates as an organizational form and there are references to the clinical method teaching in the medical career. Limitations were found in the faculty with respect to the teaching and scientific categories and years of experience; limited use of the students characterization and their results as well as deficient application of the essential actions corresponding to the diagnostic stage of the clinical method and prevalence of the teacher authoritarian role. Conclusions: still limitations in the diagnosis of pulp and periapical diseases current teaching of the population under study.

Desde lo curricular a lo investigativo, una mirada a la COVID-19 / From the curricular to the investigative, a look at COVID-19

RESUMEN La enfermedad provocada por el coronavirus (SARS-CoV-2), causante de la COVID-19, ha generado un movimiento hacia una revisión de todo el enfoque de las ciencias médicas y a profundizar en todos los mecanismos inherentes a la respuesta inmune asociados a esta enfermedad. Se pone en evidencia el necesario pensamiento clínico epidemiológico declarado en el plan de estudio de la carrera de Medicina; la formación investigativa desde los primeros años. La asignatura Sangre-Sistema Inmune incluye en su contenido un gran número de problemas de salud por desequilibrio en la respuesta inmune, lo que constituye una clara justificación para redimensionar el proceso de formación científica. El objetivo de este trabajo es valorar la significación de la asignatura para la interpretación de las desviaciones de la respuesta inmune y emitir sugerencias para potenciar el trabajo investigativo en ella.

ABSTRACT The disease caused by the coronavirus (SARS-CoV-2), which causes COVID-19, has generated a movement towards a review of the entire approach of medical sciences and to delve into all the mechanisms inherent to the immune response associated with this disease. The necessary clinical epidemiological thinking declared in the study plan of the Medicine career is evidenced; research training from the early years. The subject Blood-Immune System includes in its content a large number of health problems due to imbalance in the immune response, which constitutes a clear justification for resizing the scientific training process. The objective of this work is to assess the significance of the subject for the interpretation of the deviations of the immune response and to make suggestions to enhance the research work in it.

Habilidades investigativas en estudiantes del ciclo clínico de la carrera de Estomatología / Research skills in students of the clinical cycle of Stomatology pre-graduate studies

RESUMEN Introducción: las habilidades investigativas se insertan en la formación del profesional de estomatología como una de las dimensiones claves del proceso de formación. Objetivo: evaluar la percepción de los estudiantes acerca del estado actual de desarrollo de las habilidades investigativas en el ciclo clínico de la carrera de Estomatología de la Universidad de Ciencias Médicas de Matanzas. Materiales y métodos: se realizó una investigación descriptiva, de corte transversal, en la que participaron 68 estudiantes de tercer a quinto año, durante la culminación del curso 2018-2019. Fueron seleccionados a través de un muestreo intencional. Se empleó un cuestionario de percepción del dominio de las habilidades relacionadas con el manejo de la información científica, el diseño y ejecución de investigaciones, y el análisis de situación de salud bucal. Resultados: los estudiantes reconocieron tener dominio de la habilidad para el manejo de la información científica y para el análisis de situación de salud bucal. Las acciones menos dominadas fueron la recopilación de información y el diseño de un perfil de proyecto de investigación. La Jornada Científica Estudiantil y el trabajo de curso fueron las vías más empleadas para la divulgación científica. Predominaron los obstáculos externos, seguidos de obstáculos asociados al propio dominio de la habilidad para el diseño y la ejecución de la investigación científica. Conclusión: los estudiantes del ciclo clínico de la carrera de Estomatología reconocen poseer un adecuado dominio de las habilidades investigativas, lo cual contribuye de modo satisfactorio a la formación profesional. No obstante, resulta necesario promover acciones educativas que tributen a las operaciones menos dominadas y estimulen la inserción estudiantil en proyectos de investigación para la sistematización de estas habilidades (AU).

ABSTRACT Introduction: research skills are inserted in the training of the stomatology professional as one of the key dimensions of the training process. Objective: to evaluate the perception of students about the current state of development of research skills in the clinical cycle of the pre-graduate studies of Stomatology of the University of Medical Sciences of Matanzas. Materials and methods: a descriptive, cross-sectional research was carried out, involving 68 third to fifth year students, during the co a descriptive, cross-sectional research was carried out, involving 68 third to fifth year students, during the completion of the 2018-2019 course. They were chosen through intentional sampling. A perception questionnaire was used for the mastering skills related to the management of scientific information, the design and execution of research, and oral health situation analysis. Results: the students recognized to master the ability of handling scientific information and oral health situation analysis. Less mastered actions were the collection of information and the design of a research project profile. The Student Science Day and the course work were the most widely used ways for scientific dissemination. External difficulties predominated, followed by difficulties associated with the own mastery of the ability to design and execute scientific research. Conclusion: the students in the clinical cycle of the pre-grade studies of Stomatology recognize having an adequate mastery of research skills, which contributes satisfactorily to professional training. However, it is necessary to promote educational actions that contribute to the less dominated operations and stimulate the insertion of students in research projects for the systematization of these skills (AU).

Embolismo pulmonar diferido de material de refuerzo vertebral. Consideraciones clínicas y médico-legales a propósito de un caso / Delayed pulmonary embolism from vertebral reinforcement material. Clinical and medico-legal considerations of a case

La vertebroplastia y la cifoplastia son procedimientos de punción percutáneos que precisan de la inyección de cemento en el soma de una vértebra fracturada, con el fin de refuerzo y alivio del dolor. Con ocasión de un caso de cifoplastia del soma de L2 que desarrolló una infrecuente embolización diferida de cemento a la arteria pulmonar, se revisa la literatura y analizan los principales problemas médico-legales de estas complicaciones. Se subraya la necesidad de un consentimiento informado detallando la frecuencia y riesgos de estas complicaciones, así como un adecuado control radiológico postoperatorio, no solo local, sino torácico. Igualmente, se enfatiza la posibilidad de repetir el estudio radiológico local y torácico, ante cualquier cambio de la morfología de la fuga local o desaparición de la fuga local, ante la posibilidad de migraciones tardías. (AU)

Vertebroplasty and kyphoplasty are percutaneous puncture procedures that require the injection of cement into the soma of a fractured vertebra for reinforcement and pain relief.As the result of a case of kyphoplasty of the soma of L2 that developed a rare, delayed embolization of cement to the pulmonary artery, we undertook a literature review, and the main medico-legal problems of these complications were analysed.The need for informed consent is stressed, detailing the frequency and risks of these complications, as well as adequate postoperative local and chest X-ray control. Likewise, the possibility is highlighted of repeat local and chest X-rays in the event of any change in the morphology of local leakage or disappearance of local leakage in the event of late migration. (AU)

Chemical composition of Luffa aegyptiaca Mill., Agave durangensis Gentry and Pennisetum sp.

The particleboard industry faces problems of wood shortage, which has led to the use of non-wood lignocellulosic materials. Furthermore, there is also interest in looking for materials that improve their physical and mechanical properties. The species Luffa aegyptiaca Mill. (fruit), Agave durangensis Gentry (bagasse) and Pennisetum sp. (plant, leaves and stem) could be used in the elaboration of wood-based particleboards. The aim of this study is to determine the feasibility of using these materials to produce particleboards in accordance with their chemical composition. Five materials were studied, A. durangensis (bagasse), L. aegyptiaca (fruit) and Pennisetum sp. (whole plant, leaves and stem). Extractives, holocellulose, Runkel lignin and ash content was determined. The pH of the fibers was also measured and a microanalysis of the ash was performed. ANOVA and Kruskal-Wallis tests were carried out, in addition Tukey and Dunn tests for group comparison were performed. Pennisetum sp. leaves presented the highest total extractives and ash content, while L. aegyptiaca fruit and A. durangensis bagasse had the highest both content of holocellulose and Runkel lignin respectively. The lowest pH was presented by the L. aegyptiaca fruit, while the highest was from the Pennisetum sp. stem. The element with the greatest presence in the five materials was potassium, except in A. durangensis bagasse showing calcium. L. aegyptiaca fruit has better characteristics to be used in particleboards with greater mechanical resistance because of its higher holocellulose content. However, Pennisetum sp. (plant, leaves and stem) could be used to make particleboards with high resistance to water absorption.

Factors affecting diabetic patient's long-term quality of life after simultaneous pancreas-kidney transplantation: a single-center analysis.

PURPOSE: Pancreas transplantation (PT) is one of the few ways to restore euglycemia within diabetic patients; however, the high morbidity caused by surgical complications and the need for immunosuppressive therapy has raised controversy about PT improving the health-related quality-of-life (HRQoL). The aim of this study is to assess the long-term (≥ 5 years after PT) HRQoL and to identify the factors affecting it. METHODS: A single-center, cross-sectional study of 49 sequential PT was performed. All patients conducted a telephone interview to fulfill the modification of Medical Outcome Health Survey Short Form questionnaire (SF-36v2) and were compared to similar post-PT studies from the literature. RESULTS: Patients with a history of replacement renal therapy (RRT) or neuropathy undergoing a PT were associated to a worse bodily pain (P = 0.03) and physical function (P = 0.04), respectively, whereas those with retinopathy showed an improved Role Emotional (P = 0.04). Multivariate analysis revealed the presence of RRT as the only independent prognostic factor for a worse bodily pain [relative risk = 3.9; 95% confidence interval (1.1-14.6)], (P = 0.04). Furthermore, nearly all PT recipients (91.8%) claimed an overall better health than prior to PT. CONCLUSION: Our study confirms that PT recipients' HRQoL improves after PT, showing similar HRQoL scores across different populations and suggests that patients in predialysis could benefit from an improved HRQoL if transplanted on the early stages of the disease.

"Prometo ejercer mi profesión a conciencia y dignamente" (Juramento Hipocrático) / I will practice my profession with conscience and dignity (Hipocratic oath)

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Caracterización del comportamiento de las infecciones respiratorias agudas. Provincia Cienfuegos. Primer trimestre 2020 / Characterization of acute respiratory infections behavior. Cienfuegos Province. First quarter 2020

RESUMEN Fundamento: debido a la pandemia actual de COVID 19, es importante conocer las esencialidades tipificadoras de las infecciones respiratorias agudas en general para futuros estudios en que COVID 19 constituirá una categoría de la taxonomía de aquellas, a tener en cuenta. Objetivo: caracterizar las infecciones respiratorias agudas en la provincia Cienfuegos del 1 de enero al 31 de marzo del 2020. Métodos: la población estudiada fue los habitantes de la provincia de Cienfuegos. Las principales variables de estudio consideradas fueron: grupos de edades, municipios de residencia, demanda de consultas médicas, semanas estadísticas, variación temporal de las tasas, su tendencia, gravedad de evolución clínica, ingresos y fallecidos por infecciones respiratorias graves, brotes y vigilancia epidemiológica. Los métodos y técnicas estadísticas utilizadas fueron, de la estadística descriptiva: las frecuencias absolutas y relativas, las medias, las tasas, los incrementos y disminución de las tasas, el corredor endémico y su tendencia. Resultados: las esencialidades tipificadoras fueron: su mayor incidencia en menores de cinco años de edad y adultos de 60 años y más; la principal causa de muerte fue por neumonía adquirida en la comunidad; los virus circulantes identificados fueron sincitial respiratorio, parainfluenza, influenza A no subtipificado y coronavirus. La tendencia es ascendente. Conclusiones: el comportamiento de las infecciones respiratorias agudas se encontró dentro de los parámetros esperados, excepto que a partir de la semana once existió un incremento de las atenciones médicas, lo cual pudiera relacionarse con las pesquisas y acciones de vigilancia.

ABSTRACT Foundation: due to the current pandemic of COVID 19, it is important to know the categorizing essentialities of acute respiratory infections in general for future studies in which COVID 19 will constitute a category of the taxonomy of those to be taken into account. Objective: to characterize acute respiratory infections in the Cienfuegos province from January 1 to March 31, 2020. Methods: the population studied was the population of the Cienfuegos province. The main study variables considered were: age groups, municipalities of residence, demand for medical consultations, statistical weeks, rates temporal variation, their trend, severity of clinical evolution, admissions and deaths from severe respiratory infections, outbreaks and epidemiological surveillance. Statistical methods and techniques used were, from descriptive statistics: absolute and relative frequencies, means, rates, increases and decreases in rates, the endemic corridor and its trend. Results: the characterizing essentialities were: its highest incidence in children under five years of age and adults 60 years and over; the leading cause of death was from community-acquired pneumonia; the identified circulating viruses were respiratory syncytial, parainfluenza, unsubtyped influenza A, and coronavirus. The trend is upward. Conclusions: the behavior of acute respiratory infections was within the expected parameters, except that from week eleven there was an increase in medical care, which could be related to the inquiring and surveillance actions.