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Related Experiment Videos

Pulmonary function testing reference values and interpretations in pediatric training programs.

E N Pattishall1

  • 1Children's Hospital of Pittsburgh, University of Pittsburgh, PA.

Pediatrics
|May 1, 1990
PubMed
Summary

Pediatric pulmonary function laboratories often do not use established guidelines for reference standards and test result interpretation. Further education and standardized guidelines are needed for accurate pulmonary function testing in children.

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Area of Science:

  • Pediatric Pulmonology
  • Clinical Laboratory Science

Background:

  • Pulmonary function tests (PFTs) are crucial for diagnosing and managing pediatric respiratory conditions.
  • Standardized reference standards and interpretation guidelines are essential for accurate PFT results.

Purpose of the Study:

  • To assess the current practices of pediatric training programs regarding PFT reference standards and interpretation.
  • To identify discrepancies between current practices and existing guidelines for PFTs.

Main Methods:

  • A questionnaire was distributed to all pediatric training programs in the US.
  • Data were collected on the use of reference standards, criteria for abnormality, and methods for assessing changes over time.

Main Results:

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  • 64% of responding institutions with PFT labs used one of three reference standards.
  • Most labs used arbitrary cutoffs (e.g., 80% predicted) to define abnormality and 10% change over time.
  • Few laboratories employed statistical methods for defining abnormality or significant changes.

    • Conclusions:

    • There is a significant gap between recommended guidelines and actual practice in pediatric PFT laboratories.
    • The selection of reference standards is often based on convenience or tradition rather than evidence.
    • Enhanced educational initiatives and clearer guidelines are necessary to improve the quality of pediatric PFT interpretation.