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. 2009 Jan 6;24(9):556–561. [Article in Spanish] doi: 10.1157/13093875

Diagnóstico etiológico de las infecciones respiratorias agudas de origen vírico en un hospital pediátrico de Gran Canaria

Etiology of acute viral respiratory tract infections in children from Gran Canaria, the Canary Islands (Spain)

Fernando Artiles-Campelo a,⁎, María del Carmen Pérez-González a, Araceli Caballero-Hidalgo b, María J Pena-López a
PMCID: PMC7130248  PMID: 17125674

Abstract

Objective

Acute respiratory tract infections (ARTI) of viral origin are a frequent cause of pediatric consultations and hospital admissions. The aim of this study was to investigate the etiology of these infections in Gran Canaria, the Canary Islands, (Spain).

Methods

From May 2002 through May 2005, 1957 nasopharyngeal washings were collected from 1729 children presenting with ARTI to the Pediatric Emergency Unit. A rapid antigen detection method was performed in every sample to identify respiratory syncytial virus (RSV). An immunofluorescence assay (IFA) and cell culture (CC) was used in RSV-negative samples.

Results

Median age was 2 months (range, 0.03-119). A viral agent was identified in 1032 children (59.7%). RSV was detected in 769 children (74.5%). Other viruses identified, in order of frequency, were parainfluenza viruses, rhinoviruses, adenoviruses, influenza viruses, enteroviruses, and coronaviruses. Statistical differences were found between age and the type of virus detected: Adenoviruses caused respiratory infections in older children (median age: 6 months; range: 1-74). There were 6 mixed infections. Sensitivity of IFA as compared to CC was 55.8%, and specificity was 99.2%.

Conclusions

Respiratory viruses are responsible for a large number of ARTI cases in children from Gran Canaria, RSV being the major cause. Viral identification is determinant for managing these patients and making a proper use of antibacterial and antiviral drugs.

Key words: Acute respiratory tract infection, Respiratoryviruses, Etiologic diagnosis, Pediatrics, Gran Canaria

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