Impedance Oscillometry: Emerging Role in the Management of Chronic Respiratory Disease

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

Purpose of Review: Chronic respiratory diseases affecting adults and children are widely prevalent, so lung function testing is imperative for diagnosis and management. Spirometry is the traditional standard measure of lung function; however, certain groups of patients are unable to provide accurate and reproducible exhalation maneuvers. Consequently, the impedance oscillometry system (IOS) has been developed as an effort, independent technique to assess airway function in children and the elderly. To better understand this emerging modality, the following review will compare IOS with spirometry, examine the function of the device, provide interpretation strategies, and discuss the evidence supporting its use in adults and children with chronic lung disease. Recent Findings: In a population of symptomatic adults with suspected COPD, impedance oscillometry resistance measurements correlate with FEV1 and lung resistance increases with the severity of airflow limitation. In patients with asthma, IOS is a sensitive measure of airway hyperresponsiveness and bronchodilator response. Summary: Impedance oscillometry is evolving as an alternative measure to assess lung function pediatric and adult populations.

Original languageEnglish (US)
Article number3
JournalCurrent Allergy and Asthma Reports
Volume18
Issue number1
DOIs
StatePublished - Jan 1 2018

Keywords

  • Asthma
  • Chronic obstructive pulmonary disease (COPD)
  • Impedance oscillometry
  • Lung physiology
  • Pulmonary function testing (PFT)

ASJC Scopus subject areas

  • Immunology and Allergy
  • Pulmonary and Respiratory Medicine

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