AI check for retained objects on intraoperative X-rays
Official title: Prospective Silent Evaluation of a Real-Time Artificial Intelligence System for Detection of Retained Foreign Objects on Intraoperative Radiographs
Run by University of Colorado, Denver · NCT07858162 · Data updated 2026-11-12
A real-world test to see if an AI system can detect retained surgical items on intraoperative X-rays without changing patient care.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 120 (estimated) |
| Sponsor | University of Colorado, Denver Academic / other |
| Locations | 1 site (Aurora, Colorado) |
| Status | Recruiting |
| Started | February 1, 2026 |
| Main results expected | February 1, 2027 |
| Study ends | February 1, 2027 |
| Registry record updated | October 5, 2026 |
| Trial ID | NCT07858162 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults (18+) undergoing intraoperative radiography for suspected retained foreign objects.
✕Probably not a fit
Patients whose radiographs are not suitable for AI processing or have no retained object risk may not benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a prospective, non-interventional study that runs silently to evaluate an AI system’s ability to detect retained foreign objects on intraoperative radiographs. Radiographs from routine care are automatically processed by the AI in real time for about a year. The AI outputs—such as detection probabilities and localization notes—are not shown to clinicians and do not influence treatment. Performance will be measured against reference standards using radiology reports, operative notes, and follow-up imaging when available.
Why it matters
Potential benefit: If successful, the AI could provide a reliable tool to help verify that no objects are left behind in future procedures.
How similar studies have gone: Other AI approaches for medical image Review have shown promising results, but this specific silent, non-interventional setup is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Age 18 years or older. * Undergoing intraoperative radiography during routine clinical care for evaluation of a possible retained foreign object. * Radiographic examination identified using the institutional OR count imaging protocol, including "XR OR COUNT PROTOCOL W/WO POSITIVE CONTROL" or an equivalent institutional protocol label used for OR count imaging during the study period. Exclusion Criteria: * Radiographic examination lacking usable imaging data. * Insufficient clinical or imaging information to establish an adequate reference standard for analysis.
Where it's running
-
University of Colorado Hospital
Aurora, Colorado, United States Recruiting
Study contacts
- Study coordinator: Harrison Bai, MD
- Email: harrison.bai@cuanschutz.edu
- Phone: 720-516-0637
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.