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From 29 men and 266 women, 291 genitourinary samples were obtained to determine the prevalence of B-lactamase-producing Neisseria gonorrhoeae (BLNG). The rapid sugar fermentation test in liquid media was used for species identification and for recognizing the prevalence of slow-growing (> 48 hours) strains (SGNG). Almost 75% of men and 21% of women were positive for NG, and 4% and 6%, respectively, had BLNG strains. They relapsed after treatment with procaine penicillin or penicillin. Also relapsed, 17% of women and 6% of men were BLNG negative. Furthermore, 20% or more of NG were SGNG, and 95% or more of the NG strains were identified in 3 or fewer hours. The presence of in vitro and or in vivo penicillin-resistant strains implies the routine use of susceptibility tests and a close follow-up.

Cesar Arango, Profesor Asociado, Departamento de Medicina Interna, Facultad de Salud, Universidad del Valle, Cali, Colombia

Profesor Asociado, Departamento de Medicina Interna, Facultad de Salud, Universidad del Valle, Cali, Colombia

Gustavo Bergonzoli, Profesor Asistente, Departamento de Medicina Social, Facultad de Salud, Universidad del Valle, Cali, Colombia

Profesor Asistente, Departamento de Medicina Social, Facultad de Salud, Universidad del Valle, Cali, Colombia

Gonzalo Zafra, (Fallecido). Médico del Programa de Control de Enfermedades de Transmisión Sexual. Unidad Regional de Salud, Cali, Valle.

(Fallecido). Médico del Programa de Control de Enfermedades de Transmisión Sexual. Unidad Regional de Salud, Cali, Valle.

María Nelly de Sarria, Bacterióloga, Laboratorio de Enfermedades Infecciosas, Hospital Universitario del Valle, Cali, Colombia

Bacterióloga, Laboratorio de Enfermedades Infecciosas, Hospital Universitario del Valle, Cali, Colombia

Cesar Arango, Gustavo Bergonzoli, Gonzalo Zafra, & María Nelly de Sarria. (1986). Prevalence of beta-lactamase-producing Neisseria gonorrhoeae. Colombia Medica, 17(2), 70–74. https://doi.org/10.25100/cm.v17i2.6087

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