Caracterización de pacientes pediátricos usuarios de fototerapia en el Servicio de Dermatología, Hospital Clínico Universidad de Chile (2007-2015) / Characterization of pediatrics patients users of phototherapy in dermatology service, Hospital Clínico Universidad Chile (2007-2015)

Phototherapy is the use of specific wavelenghts of light that have shown effectiveness in the treatment of several cutaneous diseases. Current indications for phototherapy in Dermatology include multiple pathologies and it is considered to be costeffective. Literature about its use in children is rare, there are no studies on phototherapy in Chilean children. Patients and methods: Observational, descriptive, retrospective study. Clinical records of pediatric patients treated with phototherapy at University of Chile Clinical Hospital between 2007 and 2015, were studied. For each patient, the following parameters were analyzed: age of starting treatment, sex, skin phenotype, diagnosis, prescribed phototherapy and weekly frecuency. Results: 146 patients, 85 girls and 51 boys, average age 11.7 +/- 4.0 years. Predominant skin phenotype, was Fitzpatrick type III. Vitiligo was identified as the most common indication for phototherapy (52,2 percent), followed by psoriasis (22,6 percent). By a large margin, the most used type of phototherapy was nb UVB (96.6 percent). Most of the patients were treated twice per week (69.2 percent). Discussion: The obtained results in this group are similar to those results described in the international literature. Further studies are required for a better knowledge about efficacy and possible long-term effects of phototherapy on Chilean children.

Caracterización de trabajadores sexuales del área norte de Santiago portadoras de Chlamydia trachomatis / Characterization of sex workers in the northern area of Santiago with Chlamydia trachomatis

Marco Teórico: chlamydia trachomatis, agente bacteriano de infección de transmisión sexual (ITS) más frecuente en el mundo, se asocia a patología inflamatoria y neonatal, y a infertilidad. Las trabajadoras sexuales constituyen un grupo de alto riesgo para su contagio. Objetivo: Caracterizar trabajadoras sexuales portadoras de C. trachomatis del área norte de Santiago. Pacientes y Métodos: 36 trabajadoras sexuales con inmunofluorescencia directa positiva para C. trachomatis controladas en una Unidad de ITS. Se analizó en sus fichas clínicas: nivel educacional, uso de alcohol y drogas, tendencia sexual, ITS asociadas y uso de preservativo. Esta información se comparó con fichas clínicas de trabajadoras sexuales no portadoras. Resultados: No se encontraron diferencias estadísticamente significativas entre portadoras y no portadoras, a partir de la revisión de registros clínicos. Conclusión: El diagnóstico de infección de C. trachomatis y su adecuado control requieren de procedimientos estandarizados para su implementación en grupos de alto riesgo.

Background: chlamydia trachomatis, the most frequent bacterial agent of sexually transmited infections (STI) in the world, is associated with inflammatory and neonatal diseases, as well as with infertility. Sex workers are a high risk group. Objetive: To characterize sex workers in the northern area of Santiago, who are C. trachomatis carriers. Patients and Methods: 36 sex workers, whose direct immunofluorescence assays tested positive for C. trachomatis, attending a STI Unit. The following information was analyzed from their clinical records: educational level, alcohol and drugs use, sexual tendency, associated STIs and condom use. It was compared to the information from clinical records of non C. trachomatis carrier sex workers. Results: No statistically significant difference between carriers and noncarriers was found, regarding the aforementioned features, from the clinical records review. Conclusion: The diagnosis of C. trachomatis infection and its proper control require standardized proceedings to be implemented in high risk groups.

Caracterización de trabajadores sexuales extranjeras del área norte de Santiago / Characterization of foreign sex workers from the north area of Santiago

Marco teórico: Chile está experimentando un importante fenómeno inmigratorio, con los consiguientes cambios en el perfil epidemiológico. A pesar de la llegada de numerosas trabajadoras sexuales extranjeras, no se conocen sus características epidemiológicas ni demográficas. Objetivo: Caracterizar trabajadoras sexuales extranjeras del área norte de Santiago. Pacientes y métodos: 55 trabajadoras sexuales extranjeras controladas en una Unidad de ITS. Se analizó en sus fichas clínicas: nivel educacional, uso de alcohol y drogas, tendencia sexual, ITS asociadas y uso de preservativo. Esta información se comparó con fichas clínicas de trabajadoras sexuales chilenas. Resultados: A excepción del nivel sociocultural y el consumo de drogas, no se encontraron mayores diferencias entre chilenas y extranjeras, a partir de sus registros clínicos. Conclusión: Se requieren intervenciones a cargo de equipos multidisciplinarios en trabajadoras sexuales chilenas y extranjeras, enfocadas en la pesquisa de pacientes de alto riesgo e incluyendo la atención de salud mental y reproductiva.

Background: Chile is undergoing an important immigration phenomenon, with the consequent epidemiological changes. Despite the arrival of numerous foreign sex workers, their epidemiological and demographic features remain unknown, Objective: To characterize foreign sex workers in the northern area of Santiago. Patients and Methods: 55 foreign sex workers, attending a STI Unit. The following information was analyzed from their clinical records: educational level, alcohol and drugs use, sexual tendency, associated STIs and condom use. It was compared to the information from clinical records of Chilean sex workers. Results: With the exception of the educational level and the drugs use, no major difference was found from the clinical records review. Conclusion: Health interventions by multidisciplinary teams on Chilean and foreign sex workers are required, focusing on the search for high risk patients, and including mental and reproductive health attention.