Antiviral susceptibility of herpes simplex viruses and its clinical correlates: A single center’s experience

N. Rabella, M. Otegui, R. Labeaga, N. Margall, M. Gurguí, G. Prats

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8 Citas (Scopus)

Resumen

The in vitro susceptibility to acyclovir of 204 herpes simplex virus isolates from 165 immunocompromised patients treated at our hospital was determined by the cytopathic effect reduction assay. Approximately 95% of herpes simplex virus 1 and 73% of herpes simplex virus 2 isolates were inhibited by acyclovir at concentrations of <2 μg/mL. From 8 patients (5%), an isolate with low susceptibility to acyclovir (50% inhibitory dose, >3 μg/mL) was recovered. Medical records of 83 patients were reviewed. Lesions resolved in most of the patients, independent of treatment. Treatment failures were not always associated with isolation of an in vitro-resistant virus. On the contrary, when a virus with low susceptibility to acyclovir was isolated, resolution of the lesion was the rule. In 9 of 10 patients with subsequent recurrent episodes of disease, the susceptibility of the viruses isolated was similar to that of the first episode. Routine susceptibility testing in our geographic area is not encouraged because of the low incidence of acyclovir-resistant herpes simplex viruses.
Idioma originalInglés
Páginas (desde-hasta)1055-1060
PublicaciónClinical Infectious Diseases
Volumen34
DOI
EstadoPublicada - 15 abr 2002

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