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J Med Virol. 2000 Sep;62(1):42-5.

Reactivation of varicella-zoster virus in delayed facial palsy after dental treatment and oro-facial surgery.

Author information

1
Department of Otolaryngology, Hokkaido University School of Medicine, Sapporo, Japan. yfuruta@med.hokudai.ac.jp

Abstract

In rare cases, acute peripheral facial palsy occurs several days after dental treatment and oro-facial surgery. Surgical procedures have been known to trigger reactivation of varicella-zoster virus (VZV) and herpes simplex virus type 1 (HSV-1). The present study examined eight patients who exhibited delayed facial palsy after dental treatment or oro-facial surgery. Ramsay Hunt syndrome was diagnosed in three patients and varicella-zoster virus (VZV) reactivation without zoster lesions (zoster sine herpete) was diagnosed in three patients either by PCR or serological assay. Therefore, VZV reactivation was detected in 75% (6 of 8) of patients who exhibited delayed facial palsy after dental or oro-facial treatment. The results suggest that VZV reactivation is a major cause of delayed facial palsy after dental treatment or oro-facial surgery.

PMID:
10935987
[Indexed for MEDLINE]

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