Do all pulse oximeters tell the same story? a walk test puts them to the test
NCT ID NCT07742865
First seen Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time
Summary
This study asks whether five different pulse oximeters give matching readings of oxygen saturation and heart rate when used at the same time during a standard 6-minute walk test. Adults in a pulmonary rehabilitation program will wear all five devices while walking, and the results will be compared to see how well the devices agree. The goal is to find out if any device is more reliable for spotting drops in oxygen levels during exercise.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Pulse oximeters (five different devices)
- What this could lead to
- If the devices agree well, it could support using any of them interchangeably in clinical practice, improving consistency in monitoring oxygen levels during exercise tests.
- What could go wrong
- The study is small and observational, so results may not apply to all patients or settings. Differences between devices could be due to random variation, and the trial does not test treatment outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
-
56 people
The number who actually took part.
- Started
-
Jun 2025
- Finished
-
Mar 2026
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients admitted to an outpatient pulmonary rehabilitation program
- Ages
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * All patients referred to our Cardiorespiratory Unit for a pulmonary rehabilitation programme * Aged over 18, no maximum age limit * Absence of language barriers or cognitive impairments that would make it impossible to explain the protocol * Resting SpO2 \> 90% * Signing the informed consent form after receiving detailed information about the study. Exclusion Criteria: * Any clinical condition that makes it impossible or compromises the performance of a walking test: unstable heart disease, acute myocarditis and/or pericarditis, acute arrhythmia, severe pulmonary hypertension, deep vein thrombosis, severe asthma, acute orthopaedic or rheumatic condition * Unstable clinical condition (patient hospitalised or less than 4 weeks after an exacerbation leading to hospitalisation) * Oxygen therapy at rest and/or during walking * Uncontrolled arterial hypertension (AHT) at rest * Known cardiac rhythm disorder * Unexplained chest pain at rest * Mechanical interference with the possibility of placing pulse oximeters: skin lesions, bandages, plaster casts, etc. * Withdrawal of consent during the study * Systemic scleroderma, sclerodactyly, history of any type of vasculitis * Symptomatic Raynaud's phenomenon * Marked clubbing * Known haemoglobinopathy * Refusal to remove nail polish
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Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hôpital de La Tour
Meyrin, Canton of Geneva, 1217, Switzerland
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