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1.
Article in Spanish | LILACS | ID: biblio-1392317

ABSTRACT

En todo el mundo se han descrito efectos negativos de la pandemia de COVID-19 en la salud mental, especialmente en la población infanto-juvenil. Sin embargo, en Chile, la investigación disponible aún no se ha sistematizado. El objetivo de este estudio fue revisar sistemáticamente las publicaciones científicas sobre salud mental infanto-juvenil en Chile durante la pandemia de COVID-19. Se buscaron reportes de investigación en las bases de datos WoS, Scopus, SciELO y LILACS. Se incluyeron 13 estudios que cumplieron los criterios de inclusión. Los estudios son heterogéneos en cuanto a sus objetivos e instrumentos utilizados. Varios estudios coinciden en que hay un aumento de los síntomas internalizantes, externalizantes y somáticos en la población infanto-juvenil desde la pandemia. Es necesario promover investigaciones colaborativas y longitudinales e investigaciones que evalúen la eficacia de intervenciones preventivas y terapéuticas. Estos resultados pueden ser útiles para clínicos, académicos y tomadores de decisión en políticas públicas para que puedan adoptar medidas para mejorar la salud mental de esta población. Palabras Clave: Salud mental, niños, adolescentes, jóvenes, COVID-19.


Abstract. Negative effects of the COVID-19 pandemic on mental health have been described worldwide, especially in the child and youth population. However, in Chile, the available research has not yet been systematized. This study aimed to systematically review scientific publications on child and youth mental health in Chile during the COVID-19 pandemic. The WoS, Scopus, SciELO, and LILACS databases were searched for research reports. Thirteen studies that met the inclusion criteria were included. The studies are heterogeneous in terms of their objectives and instruments used. Several studies agree that there is an increase in internalizing, externalizing, and somatic symptoms in the child and youth population since the pandemic. There is a need to promote collaborative and longitudinal research, and research that evaluates the efficacy of preventive and therapeutic interventions. These results may be useful to clinicians, academics, and public policymakers so that they can take steps to improve the mental health of this population. Keywords: Mental health, children, adolescents, youth, COVID-19.


Subject(s)
Humans , Child , Adolescent , Mental Health , COVID-19/psychology , Pandemics
2.
Rev. chil. cardiol ; 36(1): 24-33, 2017. ilus, tab
Article in Spanish | LILACS | ID: biblio-844306

ABSTRACT

Introducción: La Troponina I (TnI) plasmática es el biomarcador "Gold" estándar utilizado en diagnóstico de Infarto Agudo al Miocardio (IAM), indicando necrosis cardíaca. Las microvesículas extracelulares (MVEC), participan en comunicación celular, por lo que estudiar su distribución entregaría información respecto del evento isquémico, antesala del infarto. Objetivo: Estudiar las MVECs plasmáticas en pacientes con Síndrome Coronario Agudo (SCA) y compararlas con los niveles de TnI. Métodos: Plasma de 22 pacientes controles se recolectó 0-2hrs post-ingreso a urgencia. Plasma de 45 pacientes SCA se recolectó 0-2, 6-8 y 10-14hrs post ingreso, junto con la toma de muestra para estudio de TnI. Las MVECs plasmáticas fueron enriquecidas mediante kit comercial. La determinación de la concentración y tamaño MVECs se realizó por NTA (Nanoparticles Tracking Assay) usando el equipo Nanosight. Resultados: La concentración promedio de MVECs 0-2 hrs post ingreso fue 7,2 veces superior en plasma de pacientes con SCA vs controles y la moda del tamaño disminuyó en pacientes con SCA. La TnI no mostró diferencias significativas en 0-2 hrs post ingreso en el grupo estudiado. La concentración de las MVEC disminuyó significativamente después de 10-14 hrs post ingreso, mientras que la concentración promedio TnI se mantuvo invariable demostrando el aumento de MVECs previo al incremento de TnI. Conclusión. El aumento de MVECs previo al incremento de la TnI en pacientes infartados, sugiere que las MVECs aumentan en la fase previa del IAM, como respuesta al daño tisular. Actualmente, estudiamos el contenido molecular de las MVECs, para establecer un método diagnóstico del Síndrome Coronario Agudo basado en MVECs.


Background: Troponin I (TnI) is the gold standard used to establish the diagnosis of myocardial infarction (AMI), indicating the presence of myocardial necrosis. Extracellular micro vesicles are involved in cellular communication. Their distribution may provide information relating to the development of AMI in patients with acute coronary syndromes (ACS) Aim: to study plasma levels of ECMV compared to those of TnI in patients with ACS. Methods: The plasma levels of TnI and ECMV from 22 control patients coming to the emergency units was compared to plasma from 45 patients with ACS. Levels of both parameters were determined 0-2, 6-8 and 10-14 hours post admission. ECMVs were enriched by means of a commercial kit. Concentration and size of ECMV was determined by NTA (Nanoparticles tracking assay) using the Nanosight equipment. Results: Plasma concentration of ECMV was 7.2 times higher than that of TnI 0-2 hrs post admission. The mode of ECMV size was lower in patients with ACS. Concentration of ECMV had decreased significantly 10-14 hrs post admission, whereas the TnI levees remained stable. Conclusion: The increase in ECMV earlier than TnI in AMI suggests that ECMV are elevated in the pre-AMI phase, as a response to early tissue damage. A study of cellular content of ECMV, being carried out, may lead to develop a method for the early diagnosis of AMI in patients with ACS.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Extracellular Vesicles/physiology , Myocardial Infarction/blood , Myocardial Infarction/metabolism , Troponin I/blood , Acute Coronary Syndrome/blood , Acute Coronary Syndrome/metabolism , Analysis of Variance , Biomarkers/blood , Cell Tracking/methods , Exosomes/physiology , Nanoparticles
3.
Rev. chil. cardiol ; 35(1): 52-55, 2016. ilus
Article in Spanish | LILACS | ID: lil-782645

ABSTRACT

A 39 year old man presented with signs of an ischemic in-farct in the territory of the medial cerebral artery. A large mobile mass was present in the left atrium and a biopsy showed tissue heavily infiltrated with fat and resection was not possible. A small lesion located at the dorsum allowed a histologic confirmation of a melanoma. The patient died 4 months after surgery. The second patient, a 34 year old woman being treated with chemotherapy for an ovarian melanoma was found to have a right atrial mass. After successful resection of the mass a metastasis of the original melanoma was confirmed and the patient remains in good condition at mid term follow up.


Subject(s)
Humans , Male , Female , Adult , Skin Neoplasms/pathology , Heart Neoplasms/secondary , Melanoma/secondary
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