ArticleBMC medical imaging2022
Adult Computed Tomography examinations in Uganda: Towards determining the National Diagnostic Reference Levels.
Article in BMC medical imaging, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Paediatric computed tomography diagnostic reference levels in Africa: A systematic review.Journal of medical radiation sciences · 2025Pooled it
- Proposing computed tomography diagnostic reference levels in Jordan: a national multicentre analysis.Physical and engineering sciences in medicine · 2026Article
- Computed Tomography Diagnostic Reference Levels Worldwide and in Jordan: Implications for Patient Dose Reduction.Drug, healthcare and patient safety · 2026Review
- Establishing Diagnostic Reference Level for Adult Abdomen and Pelvis CT Scans: A Benchmarking Study across BMI Groups.The Indian journal of radiology & imaging · 2026Article
- The Development of Local Diagnostic Reference Levels for Common Adult Computed Tomography Examinations at Mzuzu Central Hospital, Malawi.Malawi medical journal : the journal of Medical Association of Malawi · 2025Article
- Recommended National diagnostic reference levels for adult abdomino-pelvic computed tomography examinations in Ethiopia.BMC medical imaging · 2025Article
- Evaluating Radiation Exposures and Establishments of National Diagnostic Reference Levels for Patients Undergoing Chest Computed Tomography Examinations in Ethiopia.Radiology research and practice · 2025Article
- Establishment of Local Diagnostic Reference Levels for Head CT Imaging in the Madina Region, Saudi Arabia.Diagnostics (Basel, Switzerland) · 2024Article
- Clinical diagnostic reference levels and image quality metrics for CT in oncology patients.SA journal of radiology · 2024Article
- Application of Medical Image Navigation Technology in Minimally Invasive Puncture Robot.Sensors (Basel, Switzerland) · 2023Review
- Establishment of local diagnostic reference levels for common adult CT examinations: a multicenter survey in Addis Ababa.BMC medical imaging · 2023Article
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Authors and funding
8 authors.
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Abstract
introductionDiagnostic Reference Levels (DRLs), typically set at the 75th percentile of the dose distribution from surveys conducted across a broad user base using a specified dose-measurement protocol, are recommended for radiological examinations. There is a need to develop and implement DRLs as a standardisation and optimisation tool for the radiological protection of patients at Computed Tomography (CT) facilities.
methodsThis was a retrospective cross-sectional study conducted in seven (7) different CT scan facilities in which participants were recruited by systematic random sampling. The study variables were dose length product (DLP) and volume-weighted CTDI (CTDIvol) for the radiation doses for head, chest, abdomen and lumbar spine CT examinations. The DRLs for CTDIvol and DLP were obtained by calculating the 3rd quartiles of the radiation doses per study site by anatomical region. The national diagnostic reference levels were determined by computation of DRLs using the 75th centile of the median values.
resultsA total of 574 patients were examined with an average age of 47.1 years. For CTDIvol estimates; there was a strong positive significant relationship between the CTDIvol and examination mAs (r
conclusionThis study confirmed the need to optimize the CT scan parameters in order to lower the national DRLs. This can be achieved by extensive training of all the CT scan radiographers on optimizing the CT scan acquisition parameters. Continuous dose audits are also advised with new equipment or after every three years to ensure that values out of range are either justified or further investigated.
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