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• W3101915244 abstract "There are more than 1500 diagnostic X-ray tubes in service in Serbia and Montenegro. Diagnostic X-ray equipment is checked on annual basis. X-ray equipment Qc protocols have been adopted from several international standards and guidelines [1,2], which have been modified according our practice and measuring equipment. According our inventory, about one half of all installed units is used for conventional X-ray diagnostics, 10% are mobile units, 2% of all in units in operation are mammographic devices an another 2% are computed tomography units. In addition there are about 600 dental X-ray units, which is 36% of all units. It is worth mentioning that almost 30 % of all installed units have single-phase generators, another 25% are tree phase (six and twelve pulse) generators and nearly 9% are high frequency units. Majority of units was installed more than 25 years ago. The Quality Control (QC) in radiography is a central part of QA programme, which deals with equipment maintenance and monitoring. QA in diagnostic radiology is a mean of maintaining standards in imaging and working towards minimizing patient and staff doses. As a part of QA programme in diagnostic radiology, the performance characteristics of 96 conventional X-ray units were measured in six months period during 2003. The diagnostic units were located in hospitals all over the country. They represent 25% of the total conventional diagnostic units of the country. About one half of measured X-ray units were new-installed. QC program has positive effect on X-ray equipment performance in a period of a few years. It is essential to perform QC tests for all installed X-ray units at least on annual basis. This would lead to production of consistent X-ray images, with minimal retake rate and hence, will contribute to decreasing of the patient dose. Patient doses are determined by multitude factors which interact in very complicated manner. It is very important to perform real patient dose measurements in hospitals. These results are link between patient dosimetry, as a first step in optimization of radiation protection, and quality assurance program in diagnostic radiology. The use of dose assessment from X-ray tube output for standard patient enables comparison of dosimetric data when it is not possible to perform extensive measurements using hundreds of patients. It is of great importance to extend the survey to large number of hospitals and to include complex examinations, with goal to establish diagnostic reference levels on national scale. (authors)" @default.
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• W3101915244 date "2003-07-01" @default.
• W3101915244 modified "2023-09-27" @default.
• W3101915244 title "Quality control of conventional diagnostic radiology equipment in Serbia and Montenegro" @default.
• W3101915244 hasPublicationYear "2003" @default.
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