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Tuberculosis en lactantes menores de 3 meses / Tuberculosis in infants less than 3 months of age

Revisión de los lactantes menores de 3 meses con tuberculosis durante el periodo 1978-2014. Se diagnosticaron 8 casos (1,4% de las tuberculosis pediátricas): 3 tuberculosis congénitas, 3 sugestivas (biopsia endometrial no realizada) y 2 posnatales. La prueba de tuberculina fue negativa en 2 casos. La rentabilidad diagnóstica del cultivo (7/7, 100%) o PCR (3/3, 100%) de aspirado gástrico fue superior a la de la baciloscopia (5/8, 62%) y el test IGRA (1/3, 33%). Tres pacientes presentaron diseminación miliar y uno falleció. En conclusión, la tuberculosis en este grupo de edad es infrecuente, grave y de difícil diagnóstico. En ausencia de contactos posnatales conocidos, se recomienda descartar tuberculosis genital materna mediante biopsia endometrial

A review was conducted on infants less than 3 months of age diagnosed with tuberculosis between 1978 and 2014. Eight patients were diagnosed (1.4% of paediatric tuberculosis cases): 3 confirmed congenital tuberculosis, 3 suspected (endometrial biopsy was not performed), and 2 postnatal tuberculosis. Tuberculin skin test was negative in two patients. Diagnostic performance of culture (7/7, 100%) and PCR (3/3, 100%) of gastric aspirates was higher than that of acid-fast bacilli smears (5/8, 62%) and IGRA test (1/3, 33%). Three patients developed miliary disease, and one died. In conclusion, tuberculosis in this age group is rare, severe, and difficult to diagnose. In cases lacking known postnatal contacts, maternal genital tuberculosis should be ruled out by endometrial biopsy

Tuberculosis in infants less than 3 months of age. / Tuberculosis en lactantes menores de 3 meses.

A review was conducted on infants less than 3 months of age diagnosed with tuberculosis between 1978 and 2014. Eight patients were diagnosed (1.4% of paediatric tuberculosis cases): 3 confirmed congenital tuberculosis, 3 suspected (endometrial biopsy was not performed), and 2 postnatal tuberculosis. Tuberculin skin test was negative in two patients. Diagnostic performance of culture (7/7, 100%) and PCR (3/3, 100%) of gastric aspirates was higher than that of acid-fast bacilli smears (5/8, 62%) and IGRA test (1/3, 33%). Three patients developed miliary disease, and one died. In conclusion, tuberculosis in this age group is rare, severe, and difficult to diagnose. In cases lacking known postnatal contacts, maternal genital tuberculosis should be ruled out by endometrial biopsy.