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A collaborative study of infant respiratory function testing

I Dundas1, C Beardsmore, T Wellman

  • 1Portex Anaesthesia, Intensive Therapy and Respiratory Medicine Unit, Institute of Child Health, London, UK.

The European Respiratory Journal
|November 17, 1998
PubMed
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This study found that infant lung function testing can be standardized between centers, making collaborative trials feasible. Consistent data collection and analysis are key for reliable respiratory function measurements in infants.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Physiology
  • Clinical Trials

Background:

  • Infant lung function testing requires standardization for multi-center research.
  • Inter-observer variability can impact the reliability of respiratory measurements in infants.

Purpose of the Study:

  • To compare inter-observer variability in infant lung function tests between two specialized centers.
  • To develop a standardized protocol for infant respiratory function testing to enable future collaborative trials.

Main Methods:

  • Two specialized centers used identical equipment and software for infant respiratory function tests.
  • Data were cross-analyzed blindly to assess inter-observer variability for functional residual capacity (FRCpleth), airway resistance (Raw), and maximal expiratory flow at FRC (V'max,FRC).

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Main Results:

  • No significant differences were found in outcome measures between the two centers.
  • Agreement was higher for V'max,FRC and FRCpleth (within 10%) compared to Raw (within 20%) during cross-analysis.

Conclusions:

  • A collaborative approach to infant respiratory function trials is feasible with careful study design.
  • Standardized data collection and analysis are crucial for reliable infant respiratory function outcomes in multi-center studies.