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Radiation Protection Dosimetry Advance Access published online on July 12, 2007
Radiation Protection Dosimetry, doi:10.1093/rpd/ncm366
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© The Author 2007. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

ORGAN AND EFFECTIVE DOSES OF PATIENTS ARISING FROM CORONARY ANGIOGRAPHY AND PERCUTANEOUS TRANSLUMINAL CORONARY ANGIOPLASTY AT TWO HOSPITALS IN MASHHAD-IRAN

M. T. Bahreyni Toossi1,*, H. Zare1, S. Bayani1 and S. Esmaili2

1 Medical Physics Research Center, Bu Ali Research Institute, Mashad University of Medical Sciences, Mashad, Iran
2 Medical Physics Department, Faculty of Medicine, Mashad University of Medical Sciences, Mashad, Iran

* Corresponding author: bahreynimt{at}mums.ac.ir

Received December 26, 2006, amended May 28, 2007, accepted June 14, 2007

A detailed study of radiation doses received by 83 patients who underwent coronary angiography (CA) and 26 patients who underwent percutaneous transluminal coronary angioplasty (PTCA) by the femoral route in two hospitals in Mashhad-Iran is presented. All procedures were undertaken with Siemens angioscope X-ray equipment. Thermoluminescent dosimeters (TLD-100), suitably calibrated, were used to measure the dose received at five locations on the patient's skin (on the thyroid, gonads and lens of eyes). A dose area product (DAP) meter was also used. DAP values and fluoroscopy times were recorded for each patient. The mean values for DAP were 32.47 ± 4.03 and 44.49 ± 5.64 Gy cm2 for CA and PTCA, respectively. The patient dosimetry results revealed the thyroid receives the highest dose in CA and PTCA examinations. Also, in this study, DAP to effective dose conversion factors were estimated by means of a Rando phantom and the effective dose received by the patients was estimated for CA and PTCA examinations. The estimated mean values of effective dose were 6.75 ± 0.85 and 9.61 ± 1.24 mSv, respectively.


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