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Impact of Home Collection and Shipping of Respiratory Specimens on Bacterial Pathogen Detection in Children With
Jordana E Hoppe1, Tim Vigers2, Arianne Trujillo3
1Department of Pediatrics, Colorado School of Public Health, University of Colorado, Aurora, Colorado, USA.
Insights
Home collection of respiratory samples for cystic fibrosis (CF) pathogen identification is feasible and acceptable in children with CF. This method shows good concordance with clinic-based testing, supporting its use in remote care.
Area of Science:
- Pediatric Pulmonology
- Infectious Disease Diagnostics
- Cystic Fibrosis Care
Background:
- Respiratory pathogen evaluation is crucial in cystic fibrosis (CF) care but often missed during remote visits.
- Current remote care limitations necessitate innovative diagnostic approaches for CF patients.
Purpose of the Study:
- To assess the impact of shipping and home collection of respiratory samples on CF pathogen identification.
- To determine the feasibility and acceptability of home-based respiratory sample collection in children with CF.
Main Methods:
- Collected three respiratory samples: immediate clinic processing, delayed clinic processing, and home collection within one week.
- Evaluated pathogen identification concordance using Fleiss' Kappa.
- Assessed feasibility and acceptability via participant surveys.
Main Results:
- High home sample return rate (92%) and substantial agreement for methicillin-susceptible Staphylococcus aureus (Kappa=0.676).
- No significant differences in pathogen detection between clinic and home-collected samples.
- Home collection reported as easy, acceptable, and willing to repeat, with no identified barriers.
Conclusions:
- High concordance and accuracy were observed between clinic and home-collected respiratory samples for CF pathogen identification.
- Home collection of respiratory samples for culture in children with CF is a feasible and acceptable strategy.
- Supports the integration of home-based sample collection into remote CF care protocols.
Introduction:
Evaluation for respiratory pathogens is a key component of cystic fibrosis (CF) care but is often lacking during remote visits. We aimed to address the impact of shipping and home collection of respiratory samples on CF pathogen identification and the feasibility of home collection in children with CF.
Methods:
Participants were enrolled during a routine well clinic visit. Three respiratory samples (clinic obtained with immediate processing per CF center guidelines, clinic obtained with delayed processing, and a home sample obtained within 1 week of clinic visit) were collected and concordance between CF pathogens was evaluated using Fleiss' Kappa comparisons. Survey to assess feasibility and acceptability was completed, and descriptive statistics were used to report results.
Results:
Fifty children were enrolled, and home samples were returned by 46 (92%). Fleiss' Kappa value for methicillin-susceptible Staphylococcus aureus was 0.676, suggesting substantial agreement. No significant differences were seen in pathogen detection between immediately processed (gold standard) and delayed processed or home collected samples. Home collection was acceptable based on participant survey responses related to ease of collection and shipping, and willingness to repeat a home collection. No significant barriers to collection or shipping were identified.
Conclusion:
Good concordance between CF pathogens identified on culture between the three sample types and good accuracy between pairwise comparisons were observed in children with CF. Home collection of respiratory samples for culture in children with CF was feasible and acceptable based on high sample return rate and survey responses.
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