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Clinical impact of respiratory virus in pulmonary exacerbations of children with Cystic Fibrosis.

ABSTRACT: BACKGROUNDS:Cystic Fibrosis (CF) is a genetic, multisystemic, progressive illness that causes chronic suppurative lung disease. A major cause of morbimortality in this condition are pulmonary exacerbations. Although classically attributed to bacterial infections, respiratory virus have been increasingly recognized in its ethiopathogeny. METHODS:Nasopharyngeal swab samples were collected from children < 18 years old with CF in Rio de Janeiro, Brazil, with pulmonary exacerbation criteria. Samples were submitted to RT-PCR for Adenovirus, Influenza A and B, Parainfluenza Virus, Respiratory Syncytial Virus (RSV), Metapneumovirus and Rhinovirus. Virus positive and virus negative groups were compared in regards to clinical presentation, severity of exacerbation and bacterial colonization. RESULTS:Out of 70 samples collected from 48 patients, 35.7% were positive for respiratory viruses. Rhinovirus were the most common (28% of all positive samples), followed by RSV. The virus positive group was associated with change in sinus discharge (p = 0.03). Considering only patients younger than five years old, positive virus detection was also associated with fever (p = 0.01). There was no significant difference in clinical severity or in bacterial colonization between virus positive and negative groups. CONCLUSIONS:Prospective studies are still needed to assess the long term impact of viral infections in patients with CF, and their interaction with the bacterial microbiome in these patients.

SUBMITTER: Meyer VMC

PROVIDER: S-EPMC7592759 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Clinical impact of respiratory virus in pulmonary exacerbations of children with Cystic Fibrosis.

Meyer Viviane Mauro Correa VMC Siqueira Marilda Mendonça MM Costa Patricia Fernandes Barreto Machado PFBM Caetano Braulia Costa BC Oliveira Lopes Jonathan Christian JC Folescu Tânia Wrobel TW Motta Fernando do Couto FDC

PloS one 20201028 10

<h4>Backgrounds</h4>Cystic Fibrosis (CF) is a genetic, multisystemic, progressive illness that causes chronic suppurative lung disease. A major cause of morbimortality in this condition are pulmonary exacerbations. Although classically attributed to bacterial infections, respiratory virus have been increasingly recognized in its ethiopathogeny.<h4>Methods</h4>Nasopharyngeal swab samples were collected from children < 18 years old with CF in Rio de Janeiro, Brazil, with pulmonary exacerbation cri ...[more]

PMID: 33112873

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Project description:Pulmonary exacerbations lead to significant morbidity and mortality in patients with cystic fibrosis (CF). National consensus guidelines exist, but few studies report current practice in the treatment and monitoring of pulmonary exacerbations. The goal of this study was to characterize consistency and variability in the inpatient management of CF-related pulmonary exacerbations. We focused on the use of guideline-recommended maintenance therapies, antibiotic selection and treatment regimens, use of systemic corticosteroids, and frequency of lung function testing. We hypothesized that significant variability in these treatment practices exists nationally. This trial was a retrospective cross-sectional study. It included patients with CF aged ≤18 years hospitalized for pulmonary exacerbations between July 1, 2010, and June 30, 2015, at hospitals within the US Pediatric Health Information System database that are also Cystic Fibrosis Foundation-accredited care centers. One exacerbation per patient was randomly selected over the 5-year study period. From 38 hospitals, 4827 individual pulmonary exacerbations were examined. Median length of stay was 10.0 days (interquartile range, 6-14.0 days). Significant variation was seen among centers in the use of hypertonic saline (11%-100%), azithromycin (5%-83%), and systemic corticosteroids (3%-61%) and in the frequency of lung function testing. Four different admission antibiotic regimens were used >10% of the time, and the most commonly used admission antibiotic regimen comprised 2 intravenous antibiotics with no additional oral or inhaled antibiotics (29%). Significant variation exists in the treatment and monitoring of pulmonary exacerbations across Pediatric Health Information System-participating, Cystic Fibrosis Foundation-accredited care centers. Results from this study can inform future research working toward standardized inpatient pulmonary exacerbation management to improve CF care for children and adolescents.

Dataset Information

Clinical impact of respiratory virus in pulmonary exacerbations of children with Cystic Fibrosis.

Publications

Clinical impact of respiratory virus in pulmonary exacerbations of children with Cystic Fibrosis.

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