Clinical impact of RT-PCR for pediatric acute respiratory infections: a controlled clinical trial

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Remote Laboratory Management: Respiratory Virus Diagnostics
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Jérôme O Wishaupt1, Anne Russcher, Leo C Smeets

  • 1Department of Pediatrics, Reinier de Graaf Hospital, Delft, Netherlands. wishaupt@rdgg.nl

Pediatrics
|October 12, 2011
PubMed

Insights

Real-time polymerase chain reaction (RT-PCR) testing effectively identifies respiratory pathogens in children. However, rapid reporting of RT-PCR results did not significantly impact hospital admissions, length of stay, or antibiotic use.

Area of Science:

  • Pediatric infectious diseases
  • Clinical microbiology
  • Diagnostic testing

Background:

  • Real-time polymerase chain reaction (RT-PCR) is a rapid and sensitive diagnostic tool for respiratory pathogens.
  • The clinical utility of rapid RT-PCR result reporting in pediatric acute respiratory infections remains to be fully elucidated.

Purpose of the Study:

  • To evaluate the diagnostic yield of RT-PCR assays for common respiratory pathogens in children.
  • To assess the impact of rapid RT-PCR result communication on patient care, including hospital admissions, length of stay, and antibiotic utilization.

Main Methods:

  • A controlled clinical trial was conducted involving pediatric patients (<12 years) with suspected acute respiratory infections.
  • Nasal wash specimens were analyzed using RT-PCR for 17 pathogens. Results were reported rapidly (12-36 hours) to the intervention group and delayed (4 weeks) to the control group.

Main Results:

  • RT-PCR assays detected at least one pathogen in 82% of specimens, with respiratory syncytial virus being the most common (55%).
  • No statistically significant differences were observed between the rapid reporting and control groups regarding hospital admissions, length of hospital stay, or duration of antibiotic use.

Conclusions:

  • RT-PCR testing demonstrates a high diagnostic yield for viral respiratory infections in children.
  • Rapid communication of RT-PCR results does not appear to influence key clinical management decisions or outcomes in this pediatric population.
Abstract

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