Pilot program on patient dosimetry in pediatric interventional cardiology in Chile

Medical Physics
Carlos UbedaFernando Leyton

Abstract

The aim of this study was to present the results of a pilot program on patient dosimetry carried out in Chile during the last 5 yr, using a biplane x-ray angiography system settled for pediatrics. This research was conducted in Latin America under the auspices of the International Atomic Energy Agency (IAEA) supporting programs on radiological protection (RP) of patients. Patient age, gender, weight, height, number of cine series, total number of cine frames, fluoroscopy time, and two dosimetric quantities [air kerma-area product (P(ka)) and cumulative dose (CD) at the patient entrance reference point] were recorded for each procedure. The study includes 544 patients grouped into four age groups. The distributions by age group were 150 for <1 yr; 203 for 1 to <5 yr; 97 for 5 to <10 yr; and 94 for 10 to <16 yr. Median values of P(ka) and CD for the four age groups were 0.94, 1.46, 2.13, and 5.03 Gy cm(2) and 23.9, 26.8, 33.5, and 51.6 mGy, respectively. No significant statistical differences were found between diagnostic and therapeutic procedures. A moderate correlation (r = 0.64) was seen between P(ka) and patient weight. The dose values reported in this paper were lower than those published in the previous work for the same a...Continue Reading

References

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Citations

Dec 25, 2015·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Carlos UbedaSergio Galaz
Sep 23, 2014·JACC. Cardiovascular Interventions·Sunil J GhelaniLisa Bergersen
Jan 20, 2018·Cardiology in the Young·Olivier VillemainYounes Boudjemline
Nov 29, 2016·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·R W HarbronH Baysson
Jan 31, 2015·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·E CorredoiraF Gutiérrez-Larraya
Nov 22, 2017·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·C UbedaC Manterola

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