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01.12.2010 | Scientific Article

Dual guidance (CT and fluoroscopy) vertebroplasty: radiation dose to radiologists. How much and where?

verfasst von: Nicolas Amoretti, Virginie Lesbats, Pierre-Yves Marcy, Olivier Hauger, Marie-eve Amoretti, Yvonne Maratos, Antoine Ianessi, Pascal Boileau

Erschienen in: Skeletal Radiology | Ausgabe 12/2010

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Abstract

Objective

The goal of this study was to evaluate the radiation received by the practitioner when performing percutaneous vertebroplasty guided by CT and fluoroscopy for specific anatomical sites: orbits, hands, ankles, and thorax (under lead-lined apron).

Materials and methods

Twenty-four vertebroplasties were performed on 18 patients.

Results

The anatomical site that was most exposed to radiation was the right hand (0.37 mSv on average). This study demonstrates a significant correlation between the irradiation dose and fluoroscopy duration, reflecting both the quantity of primary-beam radiation and backscattered radiation. The right hand (P = 0.03), left hand (P = 0.02), and the left orbit (P < 0.0001) are the anatomical zones that are the most affected by the combination of these two types of radiation, with cumulative irradiation doses of 0.45, 0.2, and 0.14 mSv, respectively. There was a significant correlation between the patient weight and radiation of the left hand (P = 0.03), the left orbit (P = 0.03), and the thorax (P = 0.02), confirming the major influence of backscattered radiation.

Conclusions

The most irradiated anatomical sites limiting the number of interventions are the left orbit and the right hand.

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Titel: Dual guidance (CT and fluoroscopy) vertebroplasty: radiation dose to radiologists. How much and where?
verfasst von: Nicolas Amoretti
Virginie Lesbats
Pierre-Yves Marcy
Olivier Hauger
Marie-eve Amoretti
Yvonne Maratos
Antoine Ianessi
Pascal Boileau
Publikationsdatum: 01.12.2010
Verlag: Springer-Verlag
Erschienen in: Skeletal Radiology / Ausgabe 12/2010
Print ISSN: 0364-2348
Elektronische ISSN: 1432-2161
DOI: https://doi.org/10.1007/s00256-010-0931-3

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Dual guidance (CT and fluoroscopy) vertebroplasty: radiation dose to radiologists. How much and where?