Tratamiento de la sífilis temprana en pacientes infectados con VIH: una dosis de penicilina benzatínica es suficiente

2014 
Comparar la respuesta clinica y serologica de pacientes infectados con VIH y sifilis temprana segun hubieran recibido 1 o mas dosis de penicilina benzatinica, y evaluar factores asociados a fallo del tratamiento. Metodos: estudio retrospectivo, observacional, descriptivo en pacientes infectados con VIH tratados con penicilina benzatinica por sifilis temprana entre 1999-2009. Se considero regimen corto de enicilina benzatinica 2.400.000 unidades cuando se administro 1 dosis, y regimen largo cuando se administraron mas de 1 dosis. Se definio respuesta serologica adecuada al descenso de 4 titulos de la VDRL tras 6-12 meses del tratamiento. Se compraron las frcuencias de las respuestas serologicas mediante tablas de contingencia de 2x2; se determino la significacion estadistica mediante la prueba de Chi2 corregida por Yates; las variables continuas se analizaron mediante Mann-Whitney; las proporciones se compararon mediante la prueba de las proporciones para dos muestras (Statistix 7.0). Las diferencias fueron consideradas significativas cuando p fue To compare the serological and clinical response to treatment of early syphilis in HIV-infected patients who received a single-dose versus more than 1 dose of benzathine penicillin 2.4 millon U associated with treatment failure. Methods: retrospective, observational, descriptive study (1999-2009). Adequate serological response was defined as at least a four-fold decrease in VDRL titers at 6-12 months of treatment. We compared the rate of response with contingency tables; the statistic significance was determined by Yate's corrected x 2 test; for continuous variables analysis Mann-Whitney was applied; to compare proportions, the proportion test was applied (Statistix 7.0). Differences were considered significant if p1 doses of benzathine penicillin 2.4 million U, respectively (p=0.59). The difference between groups was not statistically significant regardless of their CD4 cell count, antiretroviral tretment, AIDS status or VDRL titer. Conclusions: in our experience, a single dose of benzathine penicillin 2.4 million U for the treatment of early syphilis in HIV-infected patients was sufficient to achieve an adequate serological response. None factor was found to be associated wth serological failure...
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