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Grip strength and walk test may reveal hidden oxygen risk in surgery patients

NCT ID NCT07688941

Knowledge-focused Sponsor: Ankara City Hospital Bilkent Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
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Not open to general applications. Only people the study team invites can take part.
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Paused for now. It may or may not start again.
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Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

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Expanded access (paused)
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Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

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Status unknown
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First seen Jul 07, 2026 · Last updated Jul 08, 2026 · Updated 1 time

Summary

This study explores whether two simple tests—hand grip strength and a 6-minute walk—can predict how quickly patients build up and use oxygen during surgery. Adults scheduled for elective surgery under general anesthesia will perform these tests before the operation. Researchers will then measure how fast their oxygen levels rise during preoxygenation and how quickly oxygen reserves drop when they stop breathing. The goal is to see if these easy fitness checks can help identify patients who may need extra oxygen support.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If a link is found, doctors could use simple tests to predict which patients need extra oxygen support during surgery.
What could go wrong
This is an observational study, not a treatment trial. It may find no clear relationship, and results may not apply to all surgery patients.

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

About 120 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

An estimate. End dates often move.

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 scheduled for elective surgery at Ankara Bilkent City Hospital, Department of Anesthesiology and Reanimation, who will undergo preoxygenation before anesthesia induction.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: Patients aged \>18 years ASA physical status I-III Scheduled for elective surgery under general anesthesia Voluntary written informed consent to participate in the study Exclusion Criteria: Severe COPD (Chronic Obstructive Pulmonary Disease) or restrictive lung disease NYHA Class III-IV Heart Failure Neuromuscular diseases Upper extremity pathologies affecting hand function (preventing HGS measurement) Orthopedic or neurological conditions preventing the 6-minute walk test (6MWT) Emergency surgeries

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Conditions

The condition(s) this trial relates to.

Sarcopenia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Handgrip strength test Preoxygenation Sarcopenia

How to take part

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  1. The official record

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    Open the record ↗

  2. A doctor treating you

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