Características de los vídeos de YouTube® en castellano sobre la vacuna frente al meningococo B

espanolObjetivo YouTube® constituye una importante fuente de informacion sanitaria. Nuestro objetivo fue analizar las caracteristicas de los videos publicados en castellano en YouTube® sobre la vacuna frente al meningococo B. Material y metodos En febrero de 2018 se efectuo una busqueda en YouTube® usando las palabras clave «Vacuna meningitis B», «Bexsero®» y «Vacuna Bexsero®». Se realizo un analisis univariante para evaluar la asociacion entre el tipo de autoria del video (profesionales sanitarios y otros) y el resto de variables (tipo de publicacion, tono del mensaje y adherencia a las recomendaciones de vacunacion del Ministerio de Sanidad de Espana, entre otras). Resultados Se analizaron 62 videos; un 45,2% fueron elaborados por canales de television y el 58,1% apoyaron usar la vacuna. El 11,3% mencionaron al menos una de las recomendaciones de vacunacion del ministerio. Segun el tipo de autoria hubo diferencias significativas en la frecuencia con la que en los videos se trato el modo de administrar la vacuna (OR [IC 95%] = 18,75 [1,73-203,21]), posologia (OR [IC 95%] = 6,36 [1,57-25,75] y precio (OR [IC 95%] = 0,11 [0,01-0,95]), y en algunas recomendaciones de vacunacion del ministerio (deficit de properdina, tratamiento con eculizumab y asplenia: OR [IC 95%] = 9,19 [1,32-63,87]). Conclusiones Existe una dificultad para obtener informacion sobre recomendaciones de vacunacion adheridas a las aprobadas por el ministerio. Se debe promocionar en los usuarios la consulta de videos elaborados por profesionales sanitarios cuando busquen informacion sobre esta vacuna en YouTube®. EnglishObjective YouTube™ is an important source of health information. The aim of this study was to analyse the characteristics of the videos published in Spanish on YouTube™ about the serogroup B meningococcal vaccine. Methods and materials In February 2018, a search was made on YouTube™ using the keywords «Vacuna meningitis B», «Bexsero®», and «Vacuna Bexsero®». A univariate analysis was carried out to evaluate the association between the authorship of videos (health professionals or others) and the rest of variables (kind of publication, tone of the message, and adherence to vaccination recommendations approved by the Ministry of Health of Spain, among others). Results A total of 62 videos were analysed, of which 45.2% were produced by television channels, and 58.1% supported the use of the vaccine. Only 11.3% mentioned at least one of the vaccination recommendations of the ministry. There were significant differences in the frequency of the vaccine mode of administration depending on the authorship [OR (95% CI: 18.75 (1.73-203.21)], description of its posology [OR (95% CI: 6.36 (1.57-25.75)], and its price [OR (95% CI: 0.11 (0.01-0.95)], and in some vaccination recommendations by the ministry [deficit of properdin, treatment with eculizumab, and asplenia: OR (95% CI: 9.19 (1.32-63.87)]. Conclusions There is a difficulty in obtaining information on vaccination recommendations adhering to those approved by the ministry. Users should be encouraged to consult videos produced by healthcare professionals when they seek information about this vaccine on YouTube™.