Old and outdated radiology equipment in Croatia—radiation safety and economic consequences

Pavlek, Iva Bušić; Brnić, Zoran; Schmidt, Saša; Krpan, Tomislav; Kralik, Ivana

doi:10.1007/s13244-016-0464-y

Cited by 3 publications

(1 citation statement)

References 1 publication

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“…This includes not only the energy consumed during their operational phases but also the energy expended during the manufacturing, transportation, and disposal stages, providing insights into potential areas for improvement. An unexplored topic in environmental impact in the life cycle of radiological equipment concerns their obsolescence and renewal [ 37 , 38 ], in which the need for planned equipment renewal is stated to avoid failures and delays in diagnosis and patient care. Radiology devices are composed of plastics, metals, and rare-earth elements that, if not properly disposed of, can cause environmental pollution [ 37 ].…”

Section: Discussionmentioning

confidence: 99%

The environmental impact of energy consumption and carbon emissions in radiology departments: a systematic review

Roletto,

Zanardo,

Bonfitto

et al. 2024

Eur Radiol Exp

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Objectives Energy consumption and carbon emissions from medical equipment like CT/MRI scanners and workstations contribute to the environmental impact of healthcare facilities. The aim of this systematic review was to identify all strategies to reduce energy use and carbon emissions in radiology. Methods In June 2023, a systematic review (Medline/Embase/Web of Science) was performed to search original articles on environmental sustainability in radiology. The extracted data include environmental sustainability topics (e.g., energy consumption, carbon footprint) and radiological devices involved. Sustainable actions and environmental impact in radiology settings were analyzed. Study quality was assessed using the QualSyst tool. Results From 918 retrieved articles, 16 met the inclusion criteria. Among them, main topics were energy consumption (10/16, 62.5%), life-cycle assessment (4/16, 25.0%), and carbon footprint (2/16, 12.5%). Eleven studies reported that 40–91% of the energy consumed by radiological devices can be defined as “nonproductive” (devices “on” but not working). Turning-off devices during idle periods 9/16 (56.2%) and implementing workflow informatic tools (2/16, 12.5%) were the sustainable actions identified. Energy-saving strategies were reported in 8/16 articles (50%), estimating annual savings of thousand kilowatt-hours (14,180–171,000 kWh). Cost-savings were identified in 7/16 (43.7%) articles, ranging from US $9,225 to 14,328 per device. Study quality was over or equal the 80% of high-quality level in 14/16 (87.5%) articles. Conclusion Energy consumption and environmental sustainability in radiology received attention in literature. Sustainable actions include turning-off radiological devices during idle periods, favoring the most energy-efficient imaging devices, and educating radiological staff on energy-saving practices, without compromising service quality. Relevance statement A non-negligible number of articles — mainly coming from North America and Europe — highlighted the need for energy-saving strategies, attention to equipment life-cycle assessment, and carbon footprint reduction in radiology, with a potential for cost-saving outcome. Key points • Energy consumption and environmental sustainability in radiology received attention in the literature (16 articles published from 2010 to 2023). • A substantial portion (40–91%) of the energy consumed by radiological devices was classified as “non-productive” (devices “on” but not working). • Sustainable action such as shutting down devices during idle periods was identified, with potential annual energy savings ranging from 14,180 to 171,000 kWh. Graphical Abstract

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Section: Discussionmentioning

confidence: 99%

The environmental impact of energy consumption and carbon emissions in radiology departments: a systematic review

Roletto,

Zanardo,

Bonfitto

et al. 2024

Eur Radiol Exp

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Positron emission tomography PET/CT harmonisation study of different clinical PET/CT scanners using commercially available software

et al. 2020

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Objectives: Harmonisation is the process whereby standardised uptake values from different scanners can be made comparable. This PET/CT pilot study aimed to evaluate the effectiveness of harmonisation of a modern scanner with image reconstruction incorporating resolution recovery (RR) with another vendor older scanner operated in two-dimensional (2D) mode, and for both against a European standard (EARL). The vendor-proprietary software EQ•PET was used, which achieves harmonisation with a Gaussian smoothing. A substudy investigated effect of RR on harmonisation. Methods: Phantom studies on each scanner were performed to optimise the smoothing parameters required to achieve successful harmonisation. 80 patients were retrospectively selected; half were imaged on each scanner. As proof of principle, a cohort of 10 patients was selected from the modern scanner subjects to study the effects of RR on harmonisation. Results: Before harmonisation, the modern scanner without RR adhered to EARL specification. Using the phantom data, filters were derived for optimal harmonisation between scanners and with and without RR as applicable, to the EARL standard. The 80-patient cohort did not reveal any statistically significant differences. In the 10-patient cohort SUVmax for RR > no RR irrespective of harmonisation but differences lacked statistical significance (one-way ANOVA F(3.36) = 0.37, p = 0.78). Bland-Altman analysis showed that harmonisation reduced the SUVmax ratio between RR and no RR to 1.07 (95% CI 0.96–1.18) with no outliers. Conclusions: EQ•PET successfully enabled harmonisation between modern and older scanners and against the EARL standard. Harmonisation reduces SUVmax and dependence on the use of RR in the modern scanner. Advances in knowledge: EQ•PET is feasible to harmonise different PET/CT scanners and reduces the effect of RR on SUVmax.

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New-generation Computed Tomography Scanners for Coronary Artery Disease Imaging – Implications for Future Service Provision

Medaković¹,

Biloglav²

2021

Cardiologia Croatica

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Old and outdated radiology equipment in Croatia—radiation safety and economic consequences

Cited by 3 publications

References 1 publication

The environmental impact of energy consumption and carbon emissions in radiology departments: a systematic review

The environmental impact of energy consumption and carbon emissions in radiology departments: a systematic review

Positron emission tomography PET/CT harmonisation study of different clinical PET/CT scanners using commercially available software

New-generation Computed Tomography Scanners for Coronary Artery Disease Imaging – Implications for Future Service Provision

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