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Establishment of diagnostic reference levels in cardiac computed tomography
Open accessAbstract
The aim of this study was to determine diagnostic reference levels (DRLs) for cardiac computed tomography (CCT) in Jordan. Volume computed tomography dose index (CTDI vol) and dose–length product (DLP) were collected from 228 CCTs performed at seven Jordanian hospitals specialized in cardiac CT. DRLs for cardiac CT were defined at the 75th percentile of CTDI vol and DLP. CTDI vol and DLP were collected from 30 successive cardiac CT in each center except for one center (18 scans). The 75th percentile of the CTDI vol and the DLP of the centers calculated from mixed retrospective and prospective gated modes were 47.74 milligray (mGy) and 1035 mGy/cm, respectively. This study demonstrated wide dose variations among the surveyed hospitals for cardiac CT scans; there was a 5.1‐fold difference between the highest and lowest median DLP with a range of 223.2–1146.7 mGy/cm. Differences were associated with variations in the mAs and kVp. This study confirmed large variability in CTDI vol and DLP for cardiac CT scans; variation was associated with acquisition protocols and highlights the need for dose optimization. DRLs are proposed for CCT; there remains substantial potential for optimization of cardiac CT examinations for adults in Jordan.
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“In a distinct study, Rawashdeh et al (2019) evaluated 228 cardiac CT examinations from seven hospitals in Jordan.”
From Computed Tomography Diagnostic Reference Levels Worldwide and in Jordan: Implications for Patient Dose Reduction (2026) · cites this paper as [119]
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Diagnostic Reference Levels of Radiographic and CT Examinations in Jordan: A Systematic Review
Alzyoud, K., Al-Murshedi, S., & England, A. (2024) · Health Physics · doi:10.1097/hp.0000000000001778 · Cited by 6
Oglat, A., Shdaifat, S., Sayah, M., Abukonna, A., & Khogali, W. (2026) · Drug, Healthcare and Patient Safety · doi:10.2147/dhps.s595721
“10 In a distinct study, Rawashdeh et al (2019) evaluated 228 cardiac CT examinations from seven hospitals in Jordan.”
Metadata
- Authors
- Rawashdeh, M., Saade, C., Zaitoun, M., Abdelrahman, M., Brennan, P., Alewaidat, H., & McEntee, M. F.
- Affiliations
- Jordan University of Science and Technology (JO)
- American University of Beirut Medical Center (LB)
- The University of Sydney (AU)
- University College Cork (IE)
- Corresponding author
- Rawashdeh, Mohammad
- ORCID
- Venue
- Journal of Applied Clinical Medical Physics
- Publisher
- Wiley
- Published
- 2019-08-30
- Volume
- 20
- Issue
- 10
- Pages
- 181-186
- ISSN
- 1526-9914 (ISSN-L)
- PMC
- PMC6807208
- OpenAlex
- W2970073198
- Cited by
- 21
- References
- 32
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 4 · 2023: 3 · 2022: 5 · 2021: 2 · 2020: 1
- FWCI
- 1.32
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Journal of Applied Clinical Medical Physics (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Arrow@dit (Dublin Institute of Technology) (acceptedVersion)
- Cork Open Research Archive (University College Cork, Ireland) (submittedVersion, cc-by)
- Greater South Information System
- Funders
- Jordan University of Sciences and Technology (20180322)
- Topics
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiation Dose and Imaging
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Cardiac Imaging and Diagnostics
- Physical Sciences › Physics and Astronomy › Radiation › Advanced Radiotherapy Techniques
- Keywords
- diagnostic reference levels, cardiac CT, radiation dose, CTDIvol, dose-length product, dose optimization, acquisition protocol, Jordan
- MeSH terms
- Computed Tomography Angiography, Adult, Algorithms, Female, Hospitals, Humans, Image Processing, Computer-Assisted, Jordan, Male, Middle Aged, Prognosis, Prospective Studies, Quality Assurance, Health Care, Radiation Dosage, Reference Standards, Retrospective Studies, Radiography, Thoracic, Tomography, X-Ray Computed, Phantoms, Imaging, Cardiac-Gated Imaging Techniques
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- Rawashdeh, M., Saade, C., Zaitoun, M., Abdelrahman, M., Brennan, P., Alewaidat, H., & McEntee, M. F. (2019). Establishment of diagnostic reference levels in cardiac computed tomography. Journal of Applied Clinical Medical Physics. https://doi.org/10.1002/acm2.12711
