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Virology of infantile chronic recurrent parotitis in Santiago de Chile

Claudia Vinagre1, María José Martínez, Luis Fidel Avendaño

  • 1Virology Program, I.C.B.M., University of Chile, School of Medicine, Santiago, Chile.

Journal of Medical Virology
|May 27, 2003
PubMed

Insights

This study found that common respiratory viruses are unlikely causes of infantile chronic recurrent parotitis (ICRP) in Chilean children. Viral infections were detected in only 14% of ICRP cases, suggesting other factors are involved.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Virology

Background:

  • Infantile chronic recurrent parotitis (ICRP) is a condition with unknown etiology, leading to empirical treatment approaches.
  • Viral infections are suspected contributors to ICRP, necessitating investigation into specific viral agents.

Purpose of the Study:

  • To investigate the role of common respiratory and oropharyngeal viruses in acute episodes of infantile chronic recurrent parotitis.
  • To determine if specific viruses are associated with ICRP in a cohort of Chilean children.

Main Methods:

  • A 2-year follow-up study involving 70 children (50 with ICRP, 20 controls).
  • Saliva samples analyzed for adenovirus, RSV, parainfluenza virus, influenza virus, CMV, and HSV using viral isolation and immunofluorescence.
  • Paired sera tested for Epstein-Barr virus and mumps virus antibodies via ELISA.

Main Results:

  • Viral infections were identified in 14% of ICRP cases, including Cytomegalovirus, Enteroviruses, Influenza A, and mumps virus.
  • No Epstein-Barr virus seroconversions were observed.
  • Two control children had asymptomatic mumps IgM titers, with no significant difference noted.

Conclusions:

  • The primary respiratory and oropharyngeal viruses studied do not appear to be the causative agents of acute infantile chronic recurrent parotitis episodes in Chilean children.
  • Further research is needed to elucidate the underlying causes and guide effective treatment strategies for ICRP.

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