ASSESSMENT of OCCUPATIONAL RADIATION DOSES in DIFFERENT DIAGNOSTIC, INTERVENTIONAL and THERAPEUTIC RADIOLOGY and MOLECULAR IMAGING SERVICES in OMAN

Yassine Bouchareb*, Naema Al-Maimani, Ibtisam Al-Maskery, Hilal Al-Zeheimi, Amaal Al-Rasbi, Humoud Al-Dhuhli, Noura Al-Makhmari, Amal Al-Haji

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This study aimed at assessing occupational radiation doses in different diagnostic, interventional and therapeutic services. Personal dose equivalent, Hp(10), of 116 medical radiation workers, all with 3 y of dose records (2015-18), were collected from the TLD dosimetry service at the Sultan Qaboos University Hospital - a 700-bed tertiary care teaching hospital in Oman. The doses were measured using calibrated thermo-luminescence dosemeters (TLD-100 (LiF:Mg,Ti)). Five occupational groups, diagnostic radiology, interventional radiology, nuclear medicine, medical physicists and nurses, were considered. Average, maximum and median cumulative doses were estimated and compared against the annual dose limit (20 mSv per y) and the local dose investigation level (DIL) (6 mSv per y). Personal doses (average:maximum:median) for diagnostic radiology, interventional radiology, nuclear medicine, medical physicists and nurses group were found to be 0.05:0.90:0.00, 0.05:0.50:0.00, 1.20:7.40:0.40, 0.16:1.40:0.00 and 0.10:2.10:0.00 mSv, respectively. The findings of this study suggest, at the exception of nuclear medicine, lower DILs for all occupational groups.

Original languageEnglish
Pages (from-to)36-45
Number of pages10
JournalRadiation Protection Dosimetry
Volume197
Issue number1
DOIs
Publication statusPublished - Nov 1 2021
Externally publishedYes

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiation
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

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