Estimation of patient dose and associated radiogenic risks from fluoroscopically guided pedicle screw insertion

Spine
Kostas PerisinakisNicholas Gourtsoyiannis

Abstract

An experimental model for the assessment of patient dose and associated radiogenic risks associated with pedicle screw internal fixation surgical procedures. To provide data for the accurate determination of patient effective dose, gonadal dose, and entrance skin dose from fluoroscopically assisted pedicle screw insertion procedures and to investigate the potential of both stochastic and deterministic radiogenic effects to occur following such procedures. There is increased concern on radiation exposure of patients undergoing fluoroscopically guided interventional procedures. The cumulative screening time and dose area product, for each fluoroscopic projection used, were monitored in 20 patients undergoing pedicle screw internal fixation. The dose absorbed by each radiosensitive organ/tissue was determined from direct measurements obtained using an anthropomorphic phantom appropriately loaded with thermoluminescence dosimeters. An average pedicle screw insertion procedure requires 1.2 minutes and 2.1 minutes of fluoroscopic exposure along anteroposterior and lateral projections, respectively, resulting in a dose area product of 232 cGy cm and 568 cGy cm, correspondingly. Gender-specific normalized data for the determination of ...Continue Reading

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Citations

Dec 18, 2008·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Keyvan MazdaGeorges-François Penneçot
Feb 12, 2013·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Frédéric SchilsLara Struelens
Jan 19, 2006·Spine·Nicholas TheocharopoulosNicholas Gourtsoyiannis
Oct 14, 2008·Health Physics·Donald L Miller
Aug 19, 2007·Spine·José A Herrera-SotoAlvin H Crawford
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Dec 22, 2015·The Spine Journal : Official Journal of the North American Spine Society·Daniel MendelsohnJohn Street
Jul 3, 2007·The Spine Journal : Official Journal of the North American Spine Society·Kadir Kotil, Turgay Bilge
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May 19, 2018·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Matteo PalmisaniRosa Palmisani

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