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Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF
Published on: October 17, 2025
RADIATION EXPOSURE DURING SPINE SURGERY USING C-ARM FLUOROSCOPY.
Alexandre Fogaça Cristante1, Fábio Barbieri2, Almy Anacleto Rodrigues da Silva2,3
1Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas (IOT-HCFMUSP), Instituto de Ortopedia e Traumatologia, Spine Surgery Division, Laboratory of Medical Investigation, São Paulo, SP, Brazil.
Radiation exposure during spine surgery is low for all staff, including those not occupationally exposed. Continuous training is crucial for effective radiation protection of medical personnel and patients.
Area of Science:
- Medical Physics
- Occupational Health
- Surgical Procedures
Background:
- C-arm fluoroscopy is frequently used in spine surgeries.
- Assessing radiation exposure is vital for healthcare professionals, especially those not typically classified as occupationally exposed workers.
- Understanding radiation doses is critical for implementing appropriate safety measures.
Purpose of the Study:
- To quantify the radiation dose received by all staff members during spine surgeries.
- To assess exposure levels for both occupationally exposed and non-occupationally exposed personnel.
- To determine the effectiveness of current radiation safety practices in a spine surgery setting.
Main Methods:
- A 12-month prospective study of all spinal surgeries within a single department.
- Radiation exposure was measured using 15 film badge dosimeters placed on personnel (lapels, gloves) and at standardized room locations.
- Dosimeters were collected and analyzed periodically throughout the study period.
Main Results:
- A total of 81 spinal surgeries were analyzed, performed by a consistent surgical team.
- Radiation doses varied from 0.16 mSv to 2.29 mSv, depending on the measurement site.
- The highest radiation exposure was recorded on the wrist of the primary surgeon.
Conclusions:
- Radiation doses in this spine surgery setting are generally low and comply with established legal limits.
- Ongoing professional training is essential for enhancing radiation protection for both medical staff and patients.
- The study highlights the importance of continuous monitoring and education in minimizing radiation risks during surgical procedures.
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