Two questions before surgery could cut operating room smoke exposure
NCT ID NCT07830524
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Surgical smoke from electrosurgery, lasers, and ultrasonic devices carries chemicals and fine particles that operating room staff breathe in. This study tests whether a brief preoperative smoke check, two questions asked by the circulating nurse before a procedure starts, improves how often teams use smoke evacuation equipment. Researchers observe procedures at one hospital during a baseline period, then add the smoke check to the preoperative routine and compare evacuation use between the two periods. The unit of observation is the surgical procedure, not the patient or staff member.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- A brief preoperative smoke check, two safety questions asked by the circulating nurse before surgery begins
- What this could lead to
- If it works, a short preoperative checklist could become a routine way to protect operating room staff from surgical smoke.
- What could go wrong
- This is a single-center before-and-after study, so improvements could reflect staff awareness of being watched rather than the checklist itself. The results may not carry over to other hospitals.
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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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
Surgical procedures performed at Agri Training and Research Hospital involving use of an energy-based device (electrosurgery, laser, or ultrasonic device) with observable surgical smoke generation. Procedures are evaluated during a Baseline Period (no intervention) and a subsequent Post-Smoke Check Period (Preoperative Smoke Check practice applied), rather than being defined by individual patient characteristics.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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.
Note: The unit of observation and analysis in this study is the surgical procedure, not the individual patient. The eligibility criteria below describe which surgical procedures were eligible for inclusion in observation and data collection. Inclusion Criteria: * Surgical procedures performed at Agri Training and Research Hospital during the designated Baseline Period or Post-Smoke Check Period data collection windows * Procedures utilizing an energy-based device (electrosurgery, laser, or ultrasonic device) capable of generating surgical smoke * Procedures for which smoke evacuation practices could be directly and continuously observed by the study's trained observer for the full duration of the procedure Exclusion Criteria: * Procedures not utilizing an energy-based device or not expected to generate surgical smoke * Emergency procedures in which direct, continuous observation of smoke evacuation practices was not feasible * Procedures with incomplete or missing observation data on the Surgical Smoke Compliance Observation Form
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Agri Training and Research Hospital
Ağrı, Turkey (Türkiye)
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