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Title: Nuclear cardiology practices and radiation exposure in the Oceania Region: results from the IAEA Nuclear Cardiology Protocols Study (INCAPS).
Authors: Biswas, Sinjini
Better, Nathan
Pascual, Thomas N.B.
Mercuri, Mathew
Vitola, João
Karthikeyan, Ganesan
Westcott, James
Alexánderson, Erick
Allam, Adel H.
Al-Mallah, Mouaz H.
Bom, Henry Hee-Seung
Bouyoucef, Salah E.
Flotats, Albert
Jerome, Scott
Kaufman, Philip A.
Vickram, Lele
Luxenburg, Osnat
Mahmarian, John J.
Shaw, Leslee J.
Underwood, S. Richard
Rehani, Madan
Kashyap, Ravi
Dondi, Maurizio
Paez, Diana
Einstein, Andrew J.
Issue Date: 2017
Publisher: Elsevier
Place of publication: Amsterdam, Netherlands
Publication Title: Heart, Lung & Circulation
Volume: 26
Start Page: 25
End Page: 34
Abstract: Note: Appendix 1 Contributions from Australia and New Zealand: includes Kerry Tse (Grade 2 Nuclear Medicine Technologist)from Ballarat Health Services Australia. Background There is concern about radiation exposure with radionuclide myocardial perfusion imaging (MPI). This sub-study of the International Atomic Energy Agency (IAEA) Nuclear Cardiology Protocols Study reports radiation doses from MPI, and use of dose-optimisation protocols in Australia and New Zealand (ANZ), and compares them with data from the rest of the world. Methods Data were collected from 7911 MPI studies performed in 308 laboratories worldwide in one week in 2013, including 439 MPI studies from 34 ANZ laboratories. For each laboratory, effective radiation dose (ED) and a quality index (QI) score (out of 8) based on pre-specified “best practices” was determined. Results In ANZ patients, ED ranged from 0.9-17.9 milliSievert (mSv). Median ED was similar in ANZ compared with the rest of the world (10.0 (IQR: 6.5-11.7) vs. 10.0 (IQR 6.4-12.6, P=0.15), as were mean QI scores (5.5±0.7 vs. 5.4±1.3, P=0.84). Use of stress-only imaging (17.6% vs. 31.8% of labs, P=0.09) and weight-based dosing of technetium-99m (14.7% vs. 30.3%, P=0.07) was lower in ANZ compared with the rest of the world but this difference was not statistically significant. Median ED was significantly lower in metropolitan versus non-metropolitan laboratories (10.1 mSv vs. 11.6 mSv, P<0.01), although mean QI scores were similar (5.4±0.8 vs. 5.5±0.7, P=0.75). Conclusion Across ANZ, there is variability in ED from MPI, and use of radiation safety practices, particularly between metropolitan and non-metropolitan laboratories. Overall, ANZ laboratories have a similar median ED to laboratories in the rest of the world.
ISSN: 1443-9506
Internal ID Number: 01021
Health Subject: AUSTRALIA
Type: Journal Article
Appears in Collections:Research Output

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