Objetivo: Describir las características sociodemográficas y determinar los factores asociados a manifestaciones psicológicas de depresión, ansiedad y estrés en trabajadores sanitarios en el contexto de la pandemia por COVID-19 en los establecimientos de salud del Perú durante mayo de 2020. Métodos: Se realizó un estudio transversal en trabajadores sanitarios de establecimientos hospitalarios del Perú. Se elaboró un cuestionario estructurado que incluía las características sociodemográficas, la profesión, área y lugar de trabajo, y cuestionarios validados para trastorno de ansiedad generalizada (GAD-7), Salud del paciente (PHQ-9) y la Escala de impacto del estresor revisada (IES-R). Para el análisis se utilizó modelos lineales generalizados de Poisson, función de enlace logarítmico y varianzas robustas. Se calculó el rango intercuartílico (RIC) y la razón de prevalencia ajustada (RPa) y su intervalo de confianza del 95% (IC95%). Resultados: De un total de 258 encuestados, 254 (98%) completaron al cuestionario, siendo el 61,8% mujeres y el área de trabajo más común emergencia u hospitalización (62,2%). La puntuación mediana del PHQ-9 fue 4 (RIC:2-7), del GAD-7 fue 6 (RIC:4-8) y para el IES-R fue 16 (RIC:8-24). El análisis multivariado mostró que ser médico se asocia con una menor prevalencia de ansiedad (RPa: 0,77; IC 95%: 0,62-0,94), mientras que vivir solo se asoció con una mayor prevalencia de depresión (RPa: 1,46; IC 95%: 1,11-1,92). Conclusión: El personal sanitario manifestó alteraciones psicológicas, asociado principalmente al personal no médico y vivir solo.

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The physiological molecular mechanisms associated with the response to acute and chronic stress allow us to understand the changes that these can produce in the various tissues of the body. Various investigations highlight the role of chronic stress in the development of dysfunctions that affect body balance; However, it must be considered that the mechanisms related to acute stress can also influence the development of pathologies and the progression of the deleterious manifestations of chronic stress. On the other hand, one of the most studied tissues in recent years has been bone tissue, since it is influenced by nervous, endocrine and immunological factors. This paper seeks to analyze the neuroscientific bases of the molecular mechanisms of stress and their relationship in the bone repair process. Therefore, a literature search was carried out in the Pubmed, Scopus and ScienceDirect databases. Concluding that stress modifies the release of neurotransmitters, the action of the autonomic nervous system, the release of corticotropic hormones and the activity of various cytokines; which leads to the imbalance of the regulation and repair processes of the bone tissue subjected to load or injury.

Introduction: chronic stress affects the immune balance by altering the serum levels of and gamma interferon (INF-γ), this alteration affects the nervous system and human behavior. Appropriate chewing would lessen these effects. The aim of this study was to determine the effect of chewing and chronic stress over serum levels of IL-6 and INF-γ. Methods: experiment in which 64 Balb/C mice of 8 weeks of age were used, they were divided into 4 treatments: Group NE: Normal chewing + stress, Group N: normal chewing without stress, Group DE: Chewing poor + stress, Group D: poor chewing without stress. IL-6 and IFN-γ were measured by ELISA after 4 and 8 weeks of treatment. Results: both IL-6 and IFN-γ were higher in the DE group (p <0,05) at the end of fourth week of treatment. When evaluating the animals at the end of the eighth week of treatment, it was observed that in the NE group, the IL-6 was increased with respect to the rest (p <0,0001) and the DE group showed more 0001). Conclusion: stress and poor chewing increase serum IL-6 and IFN-γ. In contrast, appropriate chewing decreases the effects of stress on the increase of such cytokines at the end of the fourth week of treatment in animals.

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