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- Nocum, D. J. (author)
Predictors of radiation dose for uterine artery embolisation are angiography system-dependent
- Article/chapterEnglish2022
Publisher, publication year, extent ...
- 2022-01-17
- IOP Publishing,2022
Numbers
- LIBRIS-ID:oai:gup.ub.gu.se/313385
- https://gup.ub.gu.se/publication/313385URI
- https://doi.org/10.1088/1361-6498/ac480bDOI
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- Language:English
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Notes
- This study sought to achieve radiation dose reductions for patients receiving uterine artery embolisation (UAE) by evaluating radiation dose measurements for the preceding generation (Allura) and upgraded (Azurion) angiography system. Previous UAE regression models in the literature could not be applied to this centre's practice due to being based on different angiography systems and radiation dose predictor variables. The aims of this study were to establish whether radiation dose is reduced with the upgraded angiography system and to develop a regression model to determine predictors of radiation dose specific to the upgraded angiography system. A comparison between Group I (Allura, n = 95) and Group II (Azurion, n = 95) demonstrated a significant reduction in kerma-area product (KAP) and Ka, r (reference air kerma) by 63% (143.2 Gy cm(2) vs 52.9 Gy cm(2); P < 0.001, d = 0.8) and 67% (0.6 Gy vs 0.2 Gy; P < 0.001, d = 0.8), respectively. The multivariable linear regression (MLR) model identified the UAE radiation dose predictors for KAP on the upgraded angiography system as total fluoroscopy dose, Ka, r, and total uterus volume. The predictive accuracy of the MLR model was assessed using a Bland-Altman plot. The mean difference was 0.39 Gy cm(2) and the limits of agreement were +28.49 and -27.71 Gy cm(2), and thus illustrated no proportional bias. The resultant MLR model was considered system-dependent and validated the upgraded angiography system and its advance capabilities to significantly reduce radiation dose. Interventional radiologist and interventional radiographer familiarisation of the system's features and the implementation of the newly established MLR model would further facilitate dose optimisation for all centres performing UAE procedures using the upgraded angiography system.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Radiologi och bildbehandling hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Radiology, Nuclear Medicine and Medical Imaging hsv//eng
- Bland-Altman plot
- dose optimisation
- multivariable linear regression
- radiation dose
- regression model
- uterine artery embolisation
- noise-reduction technology
- imaging technology
- patient
- quality
- adenomyosis
- efficacy
- exposure
- Environmental Sciences & Ecology
- Public
- Environmental & Occupational
- Health
- Nuclear Science & Technology
- Radiology
- Medical Imaging
Added entries (persons, corporate bodies, meetings, titles ...)
- Robinson, J. (author)
- Halaki, M. (author)
- Båth, Magnus,1974Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för medicinsk strålningsvetenskap,Institute of Clinical Sciences, Department of Medical Radiation Sciences(Swepub:gu)xbatma (author)
- Thompson, J. D. (author)
- Thompson, N. (author)
- Moscova, M. (author)
- Liang, E. (author)
- Mekis, N. (author)
- Reed, W. (author)
- Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för medicinsk strålningsvetenskap (creator_code:org_t)
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- In:Journal of Radiological Protection: IOP Publishing42:10952-47461361-6498
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