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Effect of white cell counts on the presence of human herpes simplex virus type-1 in saliva of pediatric oncology patients

  • Ester Sepúlveda
  • , Isolde G. Rojas
  • , Ursula Brethauer
  • , Nancy P. Maulén
  • , Mirna Muñoz
  • , Lilian Kirsten
  • , Angel Oñate
  • , Eduardo Fernández
  • , Patricia Le Fort
  • , Jaime Rojas
  • Universidad de Concepción
  • Universidad Católica de la Santísima Concepción
  • Regional Hospital of Concepción “Dr. Guillermo Grant Benavente”

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Objective: The objective of this study was to assess if there is increased herpes simplex virus type 1 (HSV-1) salivary shedding in oncology pediatric patients with severe cytopenia (SC). Study design: HSV-1 was detected by real time PCR in saliva samples from oncology pediatric patients (n = 30) during SC and relative cytopenia (RC), and from healthy children (n = 27). Results: The frequency of HSV-1 positive saliva samples was higher in patients with SC as compared to controls (P < .05), and this frequency presented a significant reduction during RC periods (P < .02). The SC group positive for HSV-1 presented both a twofold increase in the neutrophil-to-lymphocyte ratio as compared with SC patients negative for HSV-1 (P < .05), and a positive correlation between neutrophil and lymphocyte counts (P < .05, R = 0.82, R2 = 0.67). This correlation was not found in oncology patients negative for HSV-1 during SC and RC. Conclusion: Severe cytopenia in oncology pediatric patients could be an important susceptibility factor for increased HSV-1 salivary shedding.

Original languageEnglish
Pages (from-to)583-588
Number of pages6
JournalOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Volume105
Issue number5
DOIs
StatePublished - May 2008

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