RESUMEN
Mycobacterium tuberculosis strains were identified using paper strips for niacin technique; these paper strips were made at the National Reference Laboratory on Tuberculosis and Mycobacteria of the IPK. Results were compared with the conventional niacin technique and a 100% of coincidence was obtained; advantages, sensitivity and firmness of this method are reported.
Asunto(s)
Mycobacterium tuberculosis/aislamiento & purificación , Niacina , Técnicas Bacteriológicas/instrumentación , Humanos , Sensibilidad y EspecificidadRESUMEN
A study was carried out on 40 Mycobacterium fortuitum strains isolated from 39 symptomatic respiratory patients and 1 from a chronic skin ulcer, the susceptibility of whom to different antimicrobial agents was determined by the disk diffusion method. The strain showed sensitivity to aminoglucosides such as amikacin, gentamicin and kanamycin, and in all cases resistance to the penicillins ans cephalosporins used.