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Pulmonary Function Tests

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Updated: May 29, 2026

Conducting Respiratory Oscillometry in an Outpatient Setting

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

Republished review: An update on contraindications for lung function testing.

Brendan G Cooper¹

¹Lung Investigation Unit, University Hospitals Birmingham NHS Foundation Trust, Edgbaston, Birmingham, UK. brendan.cooper@uhb.nhs.uk

Postgraduate Medical Journal

|September 29, 2011

Summary

This summary is machine-generated.

Current lung function test contraindications need updating due to less invasive surgeries. Guidelines suggest reducing waiting times post-surgery for lung function tests from 6 weeks to under 3 weeks.

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Area of Science:

Pulmonary Medicine
Surgical Innovation
Diagnostic Testing

Background:

Current contraindications for lung function tests are over 30 years old and based on expert opinion.
High-risk contraindications include cardiovascular events and recovery from major surgeries.
Modern surgical techniques are less invasive, potentially altering risk profiles.

Purpose of the Study:

To review and revise existing contraindications for lung function testing.
To propose updated recommendations based on current medical practices.
To introduce a risk matrix for performing lung function tests.

Main Methods:

Literature review of existing guidelines and scientific evidence.
Analysis of the impact of less invasive surgical techniques on testing risks.
Development of a risk matrix for assessing contraindications.

Main Results:

Existing contraindications and recommended waiting periods require revision.
Less invasive surgeries allow for reduced waiting times post-procedure.
A risk matrix can aid in safer patient testing decisions.

Conclusions:

Updated guidelines are necessary to reflect modern surgical advancements.
Waiting periods for lung function tests can often be shortened.
Alternative testing approaches should be considered for at-risk patients.