RESUMEN
Objetivo: Describir el censo y el estudio de contactos en un caso de tuberculosis laríngea. Métodos: A partir de un paciente con tuberculosis laríngea y mediante entrevistas e inspección se establecieron tres círculos de contactos. Se realizó la prueba de la tuberculina (positiva ≥ 5mm) y a los positivos se les propuso realizarse una radiografía de tórax. La asociación con la infección se midió con la odds ratio. La relación dosis-respuesta se determinó con el test de χ2 de tendencia lineal. Resultados: La prevalencia de infección fue del 39,9% (67/168). Entre los compañeros de trabajo con mayor convivencia fue del 60,0% (24/40), entre los del bar del 43,3% (13/30) y la tasa de virajes fue del 12,9%. Se observó relación con el grado de exposición (p<0,0001). Conclusiones: La tuberculosis laríngea tuvo una alta transmisión en la empresa y en el bar. Deben realizarse estudios exhaustivos y buena comunicación a los expuestos (AU)
Objective: To describe the census and contact investigation in a case of laryngeal tuberculosis. Methods: Based on a patient with laryngeal tuberculosis and through interviews and ocular inspection, we established three circles of contacts. The tuberculin test was performed (positive ≥ 5mm). Persons testing positive were invited to undergo a chest x-ray. The association of the infection was calculated with the odds ratio. The exposure-response relationship was determined with the linear trend χ2 test. Results: The overall prevalence of infection was 39.9% (67/168). The prevalence among coworkers was 60.0% (24/40), that among frequenters of the town bar was 43.3% (13/30) and the conversions rate was 12.9%. There was a relationship with the degree of exposure (p <0.0001). Conclusions: Laryngeal tuberculosis involved high transmission to coworkers and frequenters of the town bar. In-depth studies through concentric circles and good communication with exposed individuals should be carried out (AU)
Asunto(s)
Humanos , Tuberculosis Laríngea/epidemiología , Trazado de Contacto/métodos , Antituberculosos/uso terapéutico , Tuberculosis Latente/epidemiología , Control de Enfermedades Transmisibles/métodosRESUMEN
OBJECTIVE: To describe the census and contact investigation in a case of laryngeal tuberculosis. METHODS: Based on a patient with laryngeal tuberculosis and through interviews and ocular inspection, we established three circles of contacts. The tuberculin test was performed (positive ≥5 mm). Persons testing positive were invited to undergo a chest x-ray. The association of the infection was calculated with the odds ratio. The exposure-response relationship was determined with the linear trend χ2 test. RESULTS: The overall prevalence of infection was 39.9% (67/168). The prevalence among coworkers was 60.0% (24/40), that among frequenters of the town bar was 43.3% (13/30) and the conversions rate was 12.9%. There was a relationship with the degree of exposure (p <0.0001). CONCLUSIONS: Laryngeal tuberculosis involved high transmission to coworkers and frequenters of the town bar. In-depth studies through concentric circles and good communication with exposed individuals should be carried out.