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Results of RELID Study 2014, Buenos Aires, Argentina

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  • laboratorios
  • dosis
  • dispersion
  • lesiones
  • radiaciones
  • opacidad
  • lentes (cristalinas)







ARN (Argentina)


Papp, C.; Romano-Miller, M.; Descalzo, A.; Michelin, S.; Molinari, A.J.; Rossini, A.; Plotkin, C.; Bodino, G.; Esperanza, G.; Di Giorgio, M. and Touzet, R


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High levels of scatter radiation in catheterization laboratories and the increased number and complexity of procedures may lead to opacities in the lens of the staff if protective measures and devices are not properly used. Following ionizing radiation exposure, changes generally first appear in the posterior subcapsular region of the lens and consist of small dots and vacuoles which, over time, aggregate to form larger opacities. In

addition to ionizing radiation, other factors commonly associated with posterior subcapsular are diabetes and the use of systemic steroids. An international study called RELID (Retrospective Evaluation of Lens Injuries and Dose) was initiated by the International Atomic Energy Agency (IAEA) in 2008. The same study was performed

in Argentina for the first time in 2010 in the context of the congress of the Latin American Society of Interventional Cardiology (SOLACI) and recently, in 2014, was carried out for the second time (SOLACI – CACI 2014, Buenos Aires, Argentina). The 2014 study included 115 participants: interventional cardiologists, technicians and nurses. Attendants completed a questionnaire and then both lenses were observed with slit lamp previous eye dilation. A score of opacity according to the scale of Merriam-Focht was assigned. Posterior subcapsular lens changes typical of ionizing radiation exposure were found in 91.5% of interventional cardiologists, in 77% of technicians and in 100% of nurses, according to the Merriam-Focht scale. This RELID study (Argentina 2014) has particular importance since allowed the follow up of 10 professionals evaluated in 2010, considering the opacity score and changes in the use of protection tools. The results obtained in the study population highlight the importance of the availability and proper use of the elements of radiation protection, as well as the staff training. 14th International Congress on the International Radiation Protection Association. Cape Town, Sudáfrica, 9 al 13 de mayo de 2016