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- Title
Administered dosage and effective dose estimated from <sup>81</sup>Rb-rubidium hydroxide for lung ventilation scintigraphy using <sup>81m</sup>Kr noble gas.
- Authors
Kamiya, Takashi; Iimori, Takashi; Maeda, Yukito; Yada, Nobuhiro; Hayashi, Naoya; Iguchi, Harumi; Narita, Masataka
- Abstract
The aim of this study was to estimate the administered dosage of 81mKr noble gas as calculated by the radioactivity of 81Rb-rubidium hydroxide (81RbOH). The administered dosage was regarded as the total amount of 81mKr noble gas. The radioactivity of 81mKr was calculated using the radioactivity of 81RbOH at the examination, the beginning of inhalation, the inhalation duration and the attenuation volume from the generator to the patient for 81mKr noble gas. In addition, we created an Internet survey and asked National University Hospital in Japan to respond to questions regarding the parameters of concern. Survey responses were provided by 38 hospitals (response rate was 90.5%). Twenty-seven hospitals (64.3%) examined lung ventilation scintigraphy using 81mKr noble gas. The mean administered dosage and the effective dose of lung ventilation scintigraphy using 81mKr noble gas were 35.8 ± 22.1 GBq and 0.97 ± 0.60 mSv, respectively.
- Subjects
JAPAN; NOBLE gases; RADIONUCLIDE imaging; KRYPTON; LUNGS; PUBLIC hospitals; HYDROXIDES; RUBIDIUM
- Publication
Radiation Protection Dosimetry, 2024, Vol 200, Issue 2, p149
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/ncad285