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Updated: Jun 3, 2026

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
Published on: May 26, 2015
Tracking intraoperative fluoroscopy utilization reduces radiation exposure during ureteroscopy
Tin C Ngo1, Liam C Macleod, Daniel I Rosenstein
1Department of Urology, Stanford University School of Medicine, Stanford, California 94305, USA. tin.ngo@gmail.com
Providing surgeons with fluoroscopy usage feedback significantly reduced intraoperative radiation exposure during ureteroscopy. This simple intervention lowers radiation risks for both patients and surgeons.
Area of Science:
- Medical Imaging
- Radiation Oncology
- Urology
Background:
- Ionizing radiation from medical imaging poses risks.
- Physician awareness is key to minimizing patient radiation exposure.
- Fluoroscopy is frequently used in urological procedures.
Purpose of the Study:
- To assess the impact of surgeon feedback on intraoperative fluoroscopy times.
- To evaluate if performance feedback influences radiation utilization in urology.
Main Methods:
- Prospective tracking of fluoroscopy usage in urology cases (2006-2010).
- Surgeons received periodic reports comparing their fluoroscopy times to peers.
- Analysis of ureteroscopic cases for nephrolithiasis, comparing pre- and post-feedback periods.
Main Results:
- Mean fluoroscopy times decreased by 24% after feedback implementation (2.74 to 2.08 minutes).
- Factors associated with decreased fluoroscopy times included female sex, distal ureteral stones, and surgeon feedback.
- Increased fluoroscopy times were linked to hydronephrosis, ureteral access sheath use, balloon dilation, and stent placement.
Conclusions:
- Feedback on fluoroscopy utilization effectively reduces radiation exposure for patients and surgeons.
- Implementing tracking systems requires minimal workflow disruption.
- Further research is needed to explore this feedback model in other fluoroscopy-guided procedures.
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