Scatter Radiation Intensities during Transforaminal Lumbar Interbody Fusion Using a Mobile C-arm System

The purpose of this study was to measure the scatter radiation intensity during transforaminal lumbar interbody fusion using a mobile C-arm system (Arcadis Orbic 3D; Siemens) and minimize radiation exposure. Dosimetry was performed with anterior-posterior and lateral continuous fluoroscopy, and cone...

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Veröffentlicht in:Japanese Journal of Radiological Technology 2020, Vol.76(6), pp.572-578
Hauptverfasser: Fukunaga, Masaaki, Matsubara, Kosuke, Takei, Yasutaka, Mitsui, Hideki, Kameiyama, Hiroaki, Tanaka, Takanao, Ichikawa, Shota
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Sprache:eng ; jpn
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Zusammenfassung:The purpose of this study was to measure the scatter radiation intensity during transforaminal lumbar interbody fusion using a mobile C-arm system (Arcadis Orbic 3D; Siemens) and minimize radiation exposure. Dosimetry was performed with anterior-posterior and lateral continuous fluoroscopy, and cone beam computed tomography (CT). A scaffold tower (L: 300 cm×W: 200 cm×H: 150 cm) was built with radiation-resistant paper cylinders at intervals of 50 cm and plastic joints over the bed, and 100 optically stimulated luminescence dosimeters (nanoDot; Nagase Landauer) were placed on each joint. A human torso phantom from head to pelvis (Kyoto Kagaku) was positioned on the bed in a prone position. The scatter radiation dose in a lateral view was highest on the X-ray tube side at the height of 100 cm (170.5 μGy/min). The scatter radiation dose increased significantly on the X-ray tube side during lateral continuous fluoroscopy. Continuous change of surgeons' standing positions is important to minimize radiation exposure received by a specific surgeon.
ISSN:0369-4305
1881-4883
DOI:10.6009/jjrt.2020_JSRT_76.6.572