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Dose reduction during fluoroscopic placement of feeding tubes
S Rudin1, D R Bednarek, J A Miller
1Department of Radiology, School of Medicine and Biomedical Sciences, State University of New York, Buffalo 14215.
Radiology
|March 1, 1991
Summary
Reducing radiation exposure during Dubbhoff feeding tube placement is crucial. Modifying fluoroscopy settings, like increasing camera iris diameter and removing the grid, significantly lowers patient and staff radiation doses without impacting procedure success.
Area of Science:
- Medical Imaging
- Radiology
- Patient Safety
Background:
- Fluoroscopic procedures for feeding tube placement carry radiation risks.
- Minimizing radiation dose is essential for patient and staff well-being, especially with repeat procedures.
Purpose of the Study:
- To evaluate methods for reducing radiation dose during fluoroscopic Dubbhoff feeding tube placement.
- To assess the impact of image optimization techniques on radiation exposure and procedural efficacy.
Main Methods:
- Modifying fluoroscopic settings by increasing the optical iris diameter of the video camera.
- Performing procedures with the radiographic grid removed.
Main Results:
- Radiation dose was reduced by five to seven times.
- Patient dose decreased two to three times with grid removal and an additional three times with an enlarged iris.
- Image degradation was acceptable and did not affect procedure time or success.
Conclusions:
- Increasing camera iris diameter and removing the grid are effective strategies for dose reduction in fluoroscopic feeding tube placement.
- These modifications can significantly lower radiation exposure without compromising the ability to perform the procedure.