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. 2023 Mar 29;11(4):884.
doi: 10.3390/microorganisms11040884.

Viral Identification Using Multiplex Polymerase Chain Reaction Testing Does Not Reduce Antibiotic Prescribing in Paediatric Intensive Care Units

Aurélie Hayotte  1   2 , Patricia Mariani-Kurkdjian  3 , Priscilla Boizeau  4 , Stéphane Dauger  1   2 , Charline Riaud  1 , Boris Lacarra  1 , Aurélie Bourmaud  2   4 , Michael Levy  1   2
Affiliations

Viral Identification Using Multiplex Polymerase Chain Reaction Testing Does Not Reduce Antibiotic Prescribing in Paediatric Intensive Care Units

Aurélie Hayotte et al. Microorganisms. .

Abstract

PCR tests for viral identification, performed on nasopharyngeal secretions, have experienced a major boom in the last few years. Their use is very frequent, but their indications are still not well defined, especially in Paediatric Intensive Care Units (PICU). These tests are used for the microbiological diagnosis of lower respiratory infections but can be used in other situations. The aim of the study was to investigate the effect of viral identification on antibiotic therapy management. We conducted a single-centre retrospective study from 1 October 2017 to 31 December 2019. This study included all consecutive FilmArray® Respiratory Panel tests performed in patients hospitalised in a PICU. Patients were identified using the microbiology laboratory prospective database and data were extracted from the medical record. 544 tests corresponding to 408 patients were included. The main reasons for testing were pneumonia (34%) and bronchiolitis (24%). In 70% of cases, at least one virus was identified, with Human Rhinovirus (56%) and Respiratory Syncytial Virus (28%) being the two predominant. Bacterial co-infection was present in 25% of cases. Viral identification was not associated with reduced antibiotic therapy. On multivariate analysis, antibiotic management was significantly associated with clinical gravity, CRP value or radiology findings regardless of virus identification. Viral identification has an epidemiological value, but antibiotic prescription relies on other factors.

Keywords: antibiotic therapy; bronchiolitis; lower respiratory tract infection; multiplex polymerase chain reaction; pediatric intensive care unit; pneumonia.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Flow chart of FilmArray® Respiratory Panel tests included.
Figure 2
Figure 2
Influence of viral identification with the FilmArray® Respiratory Panel test in the management of post-test antibiotic therapy (n = 544 tests).
See this image and copyright information in PMC

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