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Patient radiation biological risk in computed tomography angiography procedure
Computed tomography angiography (CTA) has become the most valuable imaging modality for the diagnosis of blood vessel diseases; however, patients are exposed to high radiation doses and the probability of cancer and other biological effects is increased. The objectives of this study were to measure...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5272934/ https://www.ncbi.nlm.nih.gov/pubmed/28149156 http://dx.doi.org/10.1016/j.sjbs.2016.01.011 |
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author | Alkhorayef, M. Babikir, E. Alrushoud, A. Al-Mohammed, H. Sulieman, A. |
author_facet | Alkhorayef, M. Babikir, E. Alrushoud, A. Al-Mohammed, H. Sulieman, A. |
author_sort | Alkhorayef, M. |
collection | PubMed |
description | Computed tomography angiography (CTA) has become the most valuable imaging modality for the diagnosis of blood vessel diseases; however, patients are exposed to high radiation doses and the probability of cancer and other biological effects is increased. The objectives of this study were to measure the patient radiation dose during a CTA procedure and to estimate the radiation dose and biological effects. The study was conducted in two radiology departments equipped with 64-slice CT machines (Aquilion) calibrated according to international protocols. A total of 152 patients underwent brain, lower limb, chest, abdomen, and pelvis examinations. The effective radiation dose was estimated using ImPACT scan software. Cancer and biological risks were estimated using the International Commission on Radiological Protection (ICRP) conversion factors. The mean patient dose value per procedure (dose length product [DLP], mGy·cm) for all examinations was 437.8 ± 166, 568.8 ± 194, 516.0 ± 228, 581.8 ± 175, and 1082.9 ± 290 for the lower limbs, pelvis, abdomen, chest, and cerebral, respectively. The lens of the eye, uterus, and ovaries received high radiation doses compared to thyroid and testis. The overall patient risk per CTA procedure ranged between 15 and 36 cancer risks per 1 million procedures. Patient risk from CTA procedures is high during neck and abdomen procedures. Special concern should be provided to the lens of the eye and thyroid during brain CTA procedures. Patient dose reduction is an important consideration; thus, staff should optimize the radiation dose during CTA procedures. |
format | Online Article Text |
id | pubmed-5272934 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-52729342017-02-01 Patient radiation biological risk in computed tomography angiography procedure Alkhorayef, M. Babikir, E. Alrushoud, A. Al-Mohammed, H. Sulieman, A. Saudi J Biol Sci Original Article Computed tomography angiography (CTA) has become the most valuable imaging modality for the diagnosis of blood vessel diseases; however, patients are exposed to high radiation doses and the probability of cancer and other biological effects is increased. The objectives of this study were to measure the patient radiation dose during a CTA procedure and to estimate the radiation dose and biological effects. The study was conducted in two radiology departments equipped with 64-slice CT machines (Aquilion) calibrated according to international protocols. A total of 152 patients underwent brain, lower limb, chest, abdomen, and pelvis examinations. The effective radiation dose was estimated using ImPACT scan software. Cancer and biological risks were estimated using the International Commission on Radiological Protection (ICRP) conversion factors. The mean patient dose value per procedure (dose length product [DLP], mGy·cm) for all examinations was 437.8 ± 166, 568.8 ± 194, 516.0 ± 228, 581.8 ± 175, and 1082.9 ± 290 for the lower limbs, pelvis, abdomen, chest, and cerebral, respectively. The lens of the eye, uterus, and ovaries received high radiation doses compared to thyroid and testis. The overall patient risk per CTA procedure ranged between 15 and 36 cancer risks per 1 million procedures. Patient risk from CTA procedures is high during neck and abdomen procedures. Special concern should be provided to the lens of the eye and thyroid during brain CTA procedures. Patient dose reduction is an important consideration; thus, staff should optimize the radiation dose during CTA procedures. Elsevier 2017-02 2016-01-12 /pmc/articles/PMC5272934/ /pubmed/28149156 http://dx.doi.org/10.1016/j.sjbs.2016.01.011 Text en © 2016 The Authors http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Original Article Alkhorayef, M. Babikir, E. Alrushoud, A. Al-Mohammed, H. Sulieman, A. Patient radiation biological risk in computed tomography angiography procedure |
title | Patient radiation biological risk in computed tomography angiography procedure |
title_full | Patient radiation biological risk in computed tomography angiography procedure |
title_fullStr | Patient radiation biological risk in computed tomography angiography procedure |
title_full_unstemmed | Patient radiation biological risk in computed tomography angiography procedure |
title_short | Patient radiation biological risk in computed tomography angiography procedure |
title_sort | patient radiation biological risk in computed tomography angiography procedure |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5272934/ https://www.ncbi.nlm.nih.gov/pubmed/28149156 http://dx.doi.org/10.1016/j.sjbs.2016.01.011 |
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