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. 1996 Jan 1;124(1 Pt 1):27-30.
doi: 10.7326/0003-4819-124-1_part_1-199601010-00005.

Bell palsy and herpes simplex virus: identification of viral DNA in endoneurial fluid and muscle

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Bell palsy and herpes simplex virus: identification of viral DNA in endoneurial fluid and muscle

S Murakami et al. Ann Intern Med. .

Abstract

Objective: To determine whether herpes simplex virus type 1 (HSV-1) causes Bell palsy.

Design: Prospective study.

Setting: University inpatient service.

Patients: 14 patients with Bell palsy, 9 patients with the Ramsay-Hunt syndrome, and 12 other controls.

Measurements: Viral genomes of HSV-1, varicella-zoster virus, and Epstein-Barr virus were analyzed in clinical samples of facial nerve endoneurial fluid and posterior auricular muscle using polymerase chain reaction (PCR) followed by hybridization with Southern blot analysis.

Results: Herpes simplex virus type 1 genomes were detected in 11 of 14 patients (79%) with Bell palsy but not in patients with the Ramsay-Hunt syndrome or in other controls. The nucleotide sequences of the PCR fragments were identical to those of the HSV-1 genome.

Conclusions: Herpes simplex virus type 1 is the major etiologic agent in Bell palsy.

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Comment in

  • Herpes simplex virus and Bell palsy.
    Baringer JR. Baringer JR. Ann Intern Med. 1996 Jan 1;124(1 Pt 1):63-5. doi: 10.7326/0003-4819-124-1_part_1-199601010-00010. Ann Intern Med. 1996. PMID: 7503479 No abstract available.
  • Bell palsy and herpes simplex virus.
    Devriese PP. Devriese PP. Ann Intern Med. 1996 Oct 15;125(8):698-9. doi: 10.7326/0003-4819-125-8-199610150-00023. Ann Intern Med. 1996. PMID: 8849165 No abstract available.

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