Evolución por ultrasonido modo B y Doppler color del riñón trasplantado

Introduction: chronic kidney disease is a progressive damage of the kidney, its most advanced and irreversible manifestation is the terminal chronic kidney disease, with the consequent need of renal replacement therapy.Objective: to describe the evolution by B-mode ultrasound and color Doppler of the transplanted kidney.Methods: a descriptive, longitudinal and prospective development research was carried out. The study population was conformed by all the patients who received as substitute renal treatment a transplant of a new organ from April 2016 to October 2017 in the Hospital "Arnaldo Milián Castro" of Villa Clara. The sample was constituted in a non-probabilistic way by 39 patients.Results: patients with normal echogenicity of renal parenchyma, good cortical-medullary relationship, acute rejection, increased resistance index and drop of diastole predominated. Perirenal collection was the most frequent complication. At the end of the study there were 28 patients left, 11 lost the transplanted organ.Conclusions: ultrasound, due to its wide availability, its sensitivity, its innocuousness and its low cost, is the study of choice in the follow-up of patients with renal transplant because it allows characterizing, in an adequate way, the complications of renal transplant and it is a determining part in the evolution of the graft and the recipient.Introducción: la enfermedad renal crónica es un daño progresivo del riñón, su manifestación más avanzada e irreversible es la enfermedad renal crónica terminal, con la consiguiente necesidad de terapia de sustitución renal.Objetivo: describir la evolución por ultrasonido modo B y Doppler color del riñón trasplantado.Métodos: se realizó una investigación de desarrollo descriptiva, longitudinal y prospectiva. La población de estudio estuvo conformada por todos los pacientes que recibieron como tratamiento renal sustitutivo trasplante de un nuevo órgano de abril de 2016 a octubre de 2017 en el Hospital “Arnaldo Milián Castro” de Villa Clara. La muestra quedó constituida de manera no probabilística por 39 pacientes.Resultados: predominaron los pacientes con ecogenicidad normal del parénquima renal, relación córtico-medular buena, rechazo agudo, índice de resistencia aumentado y caída de la diástole. La colección perirrenal fue la complicación más frecuente. Al final del estudio quedaban 28 pacientes, 11 perdieron el órgano trasplantado.Conclusiones: el ultrasonido, debido a su amplia disponibilidad, su sensibilidad, su inocuidad y su bajo costo, es el estudio de elección en el seguimiento de los pacientes con trasplante renal porque permite caracterizar, de forma adecuada, las complicaciones del trasplante renal y es parte determinante en la evolución del injerto y del receptor

Characterization of the circadian typology in university students in relation to the type of career

Foundation: Chronotype is an attribute of human beings, which reflects its individual circadian phase, and affects biological and psychological functions, both in health and disease. Its study is particularly valuable in educational settings.Objective: to characterize the chronotype of university students in relation to the type of career they study.Methods: a cross-sectional analytical study was conducted in a series of 273 university students, selected by simple random sampling, structured in three groups based on provenance criteria: 88 from Technical Sciences, 88 from Social and Humanistic Sciences and 97 from Medical Sciences. The chronotype of each subject was explored through the Morningness and Eveningness Questionnaire. For each group the mean scores of the questionnaire and the proportions of morning, intermediate and evening individuals were calculated.Results: the mean scores of the three groups were framed in the intermediate chronotype range, and there were no statistically significant differences. Subjects were classified as 67% of as intermediate, 23.8% as morning and 9.2 % as evening; chronotype proportions by groups also showed no significant differences.Conclusion: there was a clear predominance of intermediate chronotype, followed in frequency by morning and evening. It was not demonstrated that the type of career influenced scores, nor in proportions of the circadian typologies by groups.</p