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with low dose 131 I therapy were well below radiation exposure constraint, denoting proper compliance of outpatients treated with 131 I in King Abdalla Medical City (KAMC) and their household contacts to given RSI. Household contacts of thyroid cancer patients and those who received direct RSI from RSO had relatively lower CRE figures, raising the concept of giving RSI to all household contacts by qualified professionals.

The annual average effective dose (ED) for operating room personnel (ORP) in Saudi Arabia was estimated from the period of 2015–2019 using thermoluminescent dosemeters. A retrospective analysis was conducted on annual EDs for 7530 ORP working across 52 hospitals. These workers were only exposed to radiation in the operating room. The annual average ED over the period of 5 years was found to be 0.59 mSv with no incidence of a dose above the annual dose limit of 20 mSv. The maximum annual ED reported was 15 mSv for an operating room worker in 2019. More than 88% of the workers received an annual ED of <1 mSv. The study concluded that the work environment in hybrid operating rooms across Saudi Arabia is safe. However, it is always recommended that workers take every protective measure when dealing with ionization radiation.

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