Scatter radiation reduction with a radiation-absorbing pad in interventional radiology examinations.
Eur J Radiol
; 132: 109245, 2020 Nov.
Article
em En
| MEDLINE
| ID: mdl-33011604
ABSTRACT
PURPOSE:
Radiation-absorbing pads are an additional possibility to reduce scattered radiation at its source. The goal of this study is to investigate the efficacy of a new reusable radiation-absorbing pad at its origin in an experimental setup. MATERIAL ANDMETHODS:
All measurements were carried out using a clinical angiography system with a standardized fluoroscopy protocol, different C-arm angulations and an anthropomorphic torso phantom as a scattering body. An ionization chamber was used to measure the radiation exposure at five different heights of a simulated operator during a simulated transfemoral angiography intervention. Measurements were carried out with and without radiation-absorbing pads with lead equivalents of 0.25 and 0.5 mm placed onto the scattering body. For all measurements a mobile acrylic shield and an under-table lead curtain was used.RESULTS:
At all operator heights from 100 to 165 cm a significant radiation dose reduction of up to 80.6 % (p < 0.01) using the radiation-absorbing pad was measured, when compared to no radiation-absorbing pad. At the height of 165 cm the radiation-absorbing pad with a lead equivalence of 0.5 mm showed a significant radiation dose reduction (51.4 %, p < 0.01) in comparison to a lead equivalence of 0.25 mm.CONCLUSION:
The addition of a radiation-absorbing pad to the standard protection means results in a significant dose reduction for the operator, particularly for upper body parts.Palavras-chave
Texto completo:
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Base de dados:
MEDLINE
Assunto principal:
Proteção Radiológica
/
Exposição Ocupacional
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Exposição à Radiação
Idioma:
En
Ano de publicação:
2020
Tipo de documento:
Article