Oscillometry - 04/08/25

Doi : 10.1016/j.ccm.2025.04.008

Claude S. Farah, FRACP, MBBS, PhD ^a,^b,^c,^⁎ , Leigh M. Seccombe, PhD, MSc, BSc ^a,^c
^a Respiratory Department, Concord Hospital, Concord, New South Wales, Australia
^b Macquarie Medical School, Macquarie University, New South Wales, Australia
^c Sydney Medical School, The University of Sydney, Camperdown, New South Wales, Australia

^∗Corresponding author. Respiratory Department, Level 7, WestHospital Road, Concord Hospital, NSW, 2139 Australia.Respiratory DepartmentConcord HospitalLevel 7WestHospital RoadNSW2139Australia

Resumen

Respiratory oscillometry measures impedance during tidal breathing and is a sensitive marker of smaller airway function. Recent consensus documents provide a framework for the clinician to incorporate this lung function test into routine clinical practice. Oscillometry has an established role in pediatric respiratory medicine. In adults, an abnormal oscillometry result relates to patient symptoms and clinically important outcomes especially in asthma and chronic obstructive pulmonary disease. There is increasing interest in the role of oscillometry when monitoring patients longitudinally including after lung transplantation, and a greater appreciation of intrabreath analysis and the detection of dynamic elastance.

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Keywords : Oscillometry, Forced oscillation technique, Respiratory function testing, Airway resistance, Pulmonary disease