Radiography最新文献

{"title":"Unspoken synergy: Team interdependence with radiographers in trauma alerts - An interview and observational study of trauma teams","authors":"M. Bäckström ,&nbsp;Å. Engström ,&nbsp;L.-L. Lundvall ,&nbsp;K. Leijon-Sundqvist ,&nbsp;K. Jonsson","doi":"10.1016/j.radi.2025.103097","DOIUrl":"10.1016/j.radi.2025.103097","url":null,"abstract":"<div><h3>Introduction</h3><div>In Scandinavia, where severe trauma is rare but potentially life-threatening, trauma teams must maintain high performance despite infrequent activations. Although advancements in trauma care have reduced mortality, severe multi-trauma still carries a high mortality risk of death, requiring rapid, coordinated responses from teams of diverse professionals. This study explores the interdependence between various trauma team members, with a particular focus on how radiographers' roles are understood, integrated, and relied upon in trauma care.</div></div><div><h3>Methods</h3><div>A qualitative design was employed, with data collected from four Swedish hospitals through interviews and observations. Braun and Clarke’s reflexive thematic analysis method guided the iterative process to identify and generate patterns in the data.</div></div><div><h3>Results</h3><div>The analysis generated an overarching theme of <em>Team integration through behavioural interdependence</em>, along with three specific themes: (I) Collaborative interdependence: enhancing team synergy through dynamic role adaption; (II) Social interdependence: fostering trust through interpersonal relationships; and (III) Goal interdependence: aligning objectives for unified success.</div></div><div><h3>Conclusion</h3><div>The findings highlight the importance of team-enhancing behaviours to build high-performing trauma teams. Radiographers contribute through adaptive collaboration, technical expertise, and relational engagement. Equally important are the supportive behaviours of team members and leaders—such as clear communication, inclusion in decision-making, and recognition of radiographers' expertise—which enable radiographers to perform effectively. Clearly defined roles and shared objectives reinforce their value in trauma care.</div></div><div><h3>Implications for practice</h3><div>Effective team guidance and psychological safety are essential for improving team dynamics and outcomes. Regular, structured team reflections and joint exercises that include all professional roles, especially radiographers, and emphasise shared goals, shared knowledge, and mutual respect, can strengthen interdependence. This approach enhances team performance and supports safer, more efficient care.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103097"},"PeriodicalIF":2.5,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144704595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of synthetic static images derived from dynamic chest radiography as substitutes for conventional chest radiographs","authors":"D. Nishigake ,&nbsp;Y. Yamasaki ,&nbsp;H. Hamasaki ,&nbsp;N. Mizoguchi ,&nbsp;T. Kamitani ,&nbsp;K. Sagiyama ,&nbsp;T. Hino ,&nbsp;K. Takakura ,&nbsp;T. Takagi ,&nbsp;K. Ishigami","doi":"10.1016/j.radi.2025.103095","DOIUrl":"10.1016/j.radi.2025.103095","url":null,"abstract":"<div><h3>Introduction</h3><div>Dynamic chest radiography (DCR) is a recently emerging radiographic technique that uses a series of low-dose sequential chest radiographs to evaluate lung perfusion and ventilation. However, each image may be of insufficient quality to evaluate chest abnormalities as in conventional chest radiography. We aimed to develop a high-quality synthetic static image (SSI), which was generated from a series of DCR images and compared with the original DCR images and chest radiographs.</div></div><div><h3>Methods</h3><div>Forty healthy volunteers underwent chest radiography and DCR consecutively. SSIs were generated from the DCR images using super-resolution technology. The image quality of the 40 original DCR images, 40 chest radiographs, and 40 SSIs was compared in random order by three chest radiologists who were blinded to the volunteer data using a visual grading analysis (VGA) 5-point-score (5 criteria, score 1–5).</div></div><div><h3>Results</h3><div>The total VGA scores in DCRs, chest radiographs, and SSIs were 4.05 ± 0.82, 4.65 ± 0.52, and 4.78 ± 0.43, respectively. All differences among the three groups were statistically significant. Specifically, the VGA scores of the SSIs and chest radiographs were significantly higher than those of the DCR images for all criteria. Notably, the VGA score of the SSIs was significantly higher than that of the chest radiographs, except for criteria 4.</div></div><div><h3>Conclusion</h3><div>Original DCR images have lower image quality than chest radiographs. SSI technology significantly improves the image quality of DCR, which is comparable to or higher than that of chest radiography.</div></div><div><h3>Implications for practice</h3><div>Although DCR has lower image quality compared to CR, SSI matches CR quality and can replace it, eliminating the need for additional CR imaging and reducing patient radiation exposure.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103095"},"PeriodicalIF":2.5,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144704592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Understanding inherent requirements in Australian medical radiation science education: A document analysis of scope, structure, and professional alignment","authors":"J.L. Ago ,&nbsp;A. Kilgour ,&nbsp;C.L. Smith ,&nbsp;N. Pollard","doi":"10.1016/j.radi.2025.103098","DOIUrl":"10.1016/j.radi.2025.103098","url":null,"abstract":"<div><h3>Introduction</h3><div>Inherent requirements are essential characteristics that enable students to achieve required professional capabilities. This study explores the availability and structure of medical radiation science inherent requirements, and their alignment with professional standards, across Australian tertiary institutions.</div></div><div><h3>Methods</h3><div>A document analysis design was employed to review publicly available inherent requirements from accredited undergraduate medical radiation science programs. The ‘READ’ approach was used. This involved (i) readying the inherent requirement statements, (ii) extracting data, (iii) analysing, and (iv) distilling data through content analysis. Data analysis and synthesis focused on availability, structure, and content of the inherent requirements.</div></div><div><h3>Results</h3><div>Out of 11 institutions, nine had publicly available inherent requirements. The analysis revealed variability in the structure and content of the available statements. While some institutions aligned their inherent requirements with professional standards (n = 5), there were inconsistencies in the inclusion of justification statements and medical radiation science-specific exemplars. Key domains identified included communication, cognitive ability, strength and mobility, professionalism, and reflective and relational skills. In contrast, sustainable performance and legal compliance were less frequently addressed.</div></div><div><h3>Conclusion</h3><div>This study highlights the importance of clear communication around inherent requirements and the provision of reasonable adjustments to support students. Consistency and clarity in inherent requirements are essential for ensuring that students can make informed decisions about their suitability for the medical radiation science profession. Aligning inherent requirements with required capability standards is crucial for maintaining authenticity of academic requirements and ensuring that graduates are fit to practise.</div></div><div><h3>Implications for practice</h3><div>In developing medical radiation science inherent requirements, educators should include justification statements and exemplars, clearly communicate the scope of reasonable adjustments that can be made and align inherent requirements with professional capability standards. Future research should explore students' and educators' perspectives on the implementation, enforcement of inherent requirements, and their practical role in supporting students’ coping and resilience.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103098"},"PeriodicalIF":2.5,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144704593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Radiographers’ knowledge and attitudes toward people who are gender and sexually diverse (GSD)","authors":"J. Ta ,&nbsp;S. Jia ,&nbsp;B. Seyer ,&nbsp;J. McInerney","doi":"10.1016/j.radi.2025.103096","DOIUrl":"10.1016/j.radi.2025.103096","url":null,"abstract":"<div><h3>Introduction</h3><div>Gender and sexually diverse (GSD) people, including those identifying as lesbian, gay, bisexual, transgender, queer, intersex, and asexual (LGBTQIA+), face significant barriers to accessing safe and equitable healthcare. While some studies on GSD patients in medical imaging exist, few focus on the perspectives of Australian radiographers. Within medical imaging, GSD patients report negative experiences due to social stigma, healthcare providers’ lack of awareness, and environmental factors. This study aimed to investigate the knowledge and attitudes of Australian radiographers toward providing safe, high-quality care for people who are GSD.</div></div><div><h3>Methods</h3><div>An anonymous online survey, combining quantitative data from multiple-choice Likert-scale questions with qualitative data from open-ended questions was distributed to Australian radiographers via Australia Society for Medical Imaging and Radiation Therapy (ASMIRT).</div></div><div><h3>Results</h3><div>122 radiographers responded and qualitative responses underwent thematic analysis. Five themes were identified via thematic analysis and supported by analysing Likert-scale responses: education and training, communication, psychosocial safety, conflation of sex assigned at birth and gender identity, and perceptions of equal treatment.</div></div><div><h3>Conclusion</h3><div>Findings indicate that while many radiographers understand the importance of GSD-inclusive care, there is lack of confidence in appropriate communication with GSD patients. Respondents expressed a desire for further education and clear departmental protocols to improve care for GSD patients. However, several radiographers believe GSD-inclusive care has limited relevance to radiography and saw it as an overcomplication of the role of the radiographer.</div></div><div><h3>Implications for practice</h3><div>The results highlight the need for further education and systemic changes in radiographic practice. This research reveals current gaps in knowledge and practice, emphasising the importance of fostering a more inclusive, supportive healthcare environment for GSD patients.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103096"},"PeriodicalIF":2.5,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144704594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Stress and coping mechanisms among undergraduate radiography students: A single centre study in Ghana","authors":"V.D. Atuwo-Ampoh ,&nbsp;G. Whajah ,&nbsp;B. Ofori-Manteaw ,&nbsp;P. Addo ,&nbsp;N.A. Angaag","doi":"10.1016/j.radi.2025.103094","DOIUrl":"10.1016/j.radi.2025.103094","url":null,"abstract":"<div><h3>Introduction</h3><div>Students go through various forms of stress at some point in their studies, which tend to affect their general well-being, mental state, and academic performance. This study examined stress levels and coping mechanisms among undergraduate radiography students in a Ghanaian university.</div></div><div><h3>Method</h3><div>A quantitative cross-sectional survey was employed in the study. An adopted questionnaire containing mostly closed-ended questions was used in gathering the data from radiography students in their second, third or fourth year of study. The results were then analysed using the Statistical Package of Social Sciences (SPSS) version 26.0.</div></div><div><h3>Results</h3><div>A total of 101 students took part in the study, representing a response rate of 91 %. A significant proportion of students (40.6 %) reported very high stress levels (4.1 ± 0.9), primarily due to academic (examinations, grading system), personal (health issues, peer support), and clinical (fear of mistakes, workload) stressors. However, statistical analysis showed no significant differences in stress perception across gender (p = 0.31), accommodation status (p = 0.66), level of study (p = 0.77) or cumulative grade point average (p = 0.46). Common effects included fatigue (93.1 %), headaches (85.1 %), and difficulty concentrating (81.1 %). Coping strategies varied, with students frequently engaging in internet use (93.1 %), taking breaks (79.2 %), meditation (76.3 %) and spending time with family and friends (80.1 %).</div></div><div><h3>Conclusion</h3><div>This study identified high stress levels among undergraduate radiography students in Ghana, with academic, personal, and clinical factors as major contributors. While students adopted various coping mechanisms, institutional interventions are needed to support student well-being and academic success.</div></div><div><h3>Implication for practice</h3><div>The findings underscore the need for institutional policies that support student well-being, including structured stress management programs and modifications to academic workloads.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103094"},"PeriodicalIF":2.5,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144654101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Women's tolerance of breast propagation-based phase-contrast computed tomography (PB-CT) positioning procedure.","authors":"J F Arbid, P C Brennan, D Abu Awwad, S J Lewis, D Hausermann, E Engels, M Warrillow, Y A Jimenez, C J Hall, T A Leatham, S Thursky, T Batty, S Tavakoli Taba","doi":"10.1016/j.radi.2025.103092","DOIUrl":"https://doi.org/10.1016/j.radi.2025.103092","url":null,"abstract":"<p><strong>Introduction: </strong>Propagation-based phase-contrast computed tomography (PB-CT) as an advanced experimental imaging modality for breast cancer detection is nearing its world-first clinical trial. Due to the stationary synchrotron X-ray beam, participants must be rotated to capture CT data, yet tolerance to this rotation remains unassessed.</p><p><strong>Methods: </strong>Participants underwent a simulated PB-CT procedure involving breast cups fitting and bed rotations at 10, 20, and 30° per second (°/s). The 30°/s rotation was repeated under eyes-open, eyes-closed, and breath-held conditions. Comfort was assessed via the Fast Motion Sickness Scale (FMS), State-Trait Anxiety Inventory - State (STAI-S), comfort questionnaire, and debriefing questions. Statistical analysis included Wilcoxon tests (baseline vs. each speed), a Friedman test (across all speeds), and a Kruskal-Wallis test (breath-hold condition).</p><p><strong>Results: </strong>Among 27 female participants (median age-range 30-39; interquartile range (IQR) 30-39, >50), 14 completed the breath-hold condition. FMS scores significantly increased at 20°/s (p = 0.002) and 30°/s (p < 0.001); however, median sickness scores remained low across all speeds and conditions, with a maximum median of 2 out of 20, where 0 represents \"no sickness\" and 20 \"severe sickness.\" STAI-S scores show no significant changes across speeds and conditions, suggesting that while faster rotations may increase physical discomfort, discomfort is limited, and participants' anxiety remains unaffected.</p><p><strong>Conclusion: </strong>Breast PB-CT 3D imaging can be comfortably conducted at rotation speeds relevant to future clinical trials.</p><p><strong>Implications for practice: </strong>As PB-CT nears clinical translation, assessing procedural comfort is essential for developing patient-centered protocols that balance experience and image quality.</p>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":" ","pages":"103092"},"PeriodicalIF":2.5,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144668686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of applicability, difficulty, and discrimination indices of multiple-choice questions on medical imaging generated by different AI-based chatbots","authors":"B.N. Karahan ,&nbsp;E. Emekli","doi":"10.1016/j.radi.2025.103087","DOIUrl":"10.1016/j.radi.2025.103087","url":null,"abstract":"<div><h3>Introduction</h3><div>Creating high-quality multiple-choice questions (MCQs) is vital in health education, particularly in fields like medical imaging. AI-based chatbots have emerged as a tool to automate this process. This study evaluates the applicability, difficulty, and discrimination indices of MCQs generated by various AI chatbots for medical imaging education.</div></div><div><h3>Methods</h3><div>80 MCQs were generated by seven AI-based chatbots (Claude 3, Claude 3.5, ChatGPT-3.5, ChatGPT-4.0, Copilot, Gemini, Turin Q, and Writesonic) using lecture materials. These questions were evaluated for relevance, accuracy, and originality by radiology faculty, and then administered to 56 students and 12 research assistants. The questions were analyzed using Miller's Pyramid to assess cognitive levels, with difficulty and discrimination indices calculated.</div></div><div><h3>Discussion</h3><div>AI-based chatbots generated MCQs suitable for medical imaging education, with 72.5 % of the questions deemed appropriate. Most questions assessed recall (79.31 %), suggesting that AI models excel at generating basic knowledge questions but struggle with higher cognitive skills. Differences in question quality were noted between chatbots, with Claude 3 being the most reliable. The difficulty index averaged 0.62, indicating a moderate level of difficulty, but some models produced easier questions.</div></div><div><h3>Conclusion</h3><div>AI chatbots show promise for automating MCQ creation in health education, though most questions focus on recall. For AI to fully support health education, further development is needed to improve question quality, especially in higher cognitive domains.</div></div><div><h3>Implication for practice</h3><div>AI-based chatbots can support educators in generating MCQs, especially for assessing basic knowledge in medical imaging. While useful for saving time, expert review remains essential to ensure question quality and to address higher-level cognitive skills. Integrating AI tools into assessment workflows may enhance efficiency, provided there is appropriate oversight.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103087"},"PeriodicalIF":2.5,"publicationDate":"2025-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144634111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancing environmental sustainability concepts in medical radiation science education: A document analysis","authors":"J.L. Ago ,&nbsp;A. Kilgour ,&nbsp;M. Chau ,&nbsp;B. Ohene-Botwe ,&nbsp;B. Ofori-Manteaw ,&nbsp;C.L. Smith ,&nbsp;G. Acquah ,&nbsp;T.N. Akudjedu","doi":"10.1016/j.radi.2025.103090","DOIUrl":"10.1016/j.radi.2025.103090","url":null,"abstract":"<div><h3>Introduction</h3><div>Medical radiation science (MRS) practices contribute significantly to the carbon footprint of healthcare. As the need for environmental sustainability (ES) increases, it is crucial to integrate ES concepts into MRS education curricula to prepare students for environmentally sustainable professional practice. Consequently, this document analysis examined current ES practices in MRS education and identified barriers and improvement strategies.</div></div><div><h3>Methods</h3><div>A qualitative document analysis was conducted following the ‘READ’ (Readying, Extracting, Analysing, Distilling) approach. Data were retrieved from two databases (Scopus and PubMed) and MRS-specific journals and professional websites. Studies and documents published between 2015 to February 2025 that addressed ES practices, barriers, and improvement strategies in MRS education were included. Data were analysed using qualitative content analysis.</div></div><div><h3>Results</h3><div>A total of 2330 articles and documents were identified, 11 of which met the selection criteria. Three themes emerged: (i) current ES practices in MRS education, (ii) barriers to improving ES practices in MRS education, and (iii) strategies for enhancing ES training. ES practices in MRS education include patient safety education through risk-benefit analysis and fostering research and collaboration, while insufficient knowledge and awareness and limited capacity (funding, resources, and time) were barriers identified. Strategies for improvement included raising ES awareness and adopting environmentally sustainable teaching practices.</div></div><div><h3>Conclusion</h3><div>MRS education and training incorporate ES practices in line with the global call for sustainable health professions education. Nonetheless, awareness creation and adoption of ES-oriented pedagogies could enhance MRS students’ confidence and attitudes towards planetary health.</div></div><div><h3>Implication for practice</h3><div>To advance ES practices in MRS curricula, educators should practically incorporate them into teaching, learning, and assessment activities. This could be achieved through problem-based learning, case studies, interdisciplinary learning, and including ES concepts in rubrics.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103090"},"PeriodicalIF":2.5,"publicationDate":"2025-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of 360° interactive virtual tours to enhance familiarity of the radiology department","authors":"H. Vu ,&nbsp;E. Arruzza ,&nbsp;M. Chau","doi":"10.1016/j.radi.2025.103023","DOIUrl":"10.1016/j.radi.2025.103023","url":null,"abstract":"<div><h3>Introduction</h3><div>Traditionally, preparing students for clinical placements in radiography has involved a combination of academic coursework and hands-on practice using X-ray equipment with facilities. However, limited access to clinical environments before placements can make the transition challenging for students. To address this gap, this study aimed to develop and evaluate a 360° virtual tour platform as a supplementary educational tool to enhance students’ familiarity with radiology departments and improve their confidence before entering clinical placements.</div></div><div><h3>Methods</h3><div>A virtual radiology department was created using 360° panoramic photographs of local radiology clinics. To measure the effectiveness of this tool, students completed pre-tour and post-tour surveys assessing their understanding of the clinical setting, familiarity with X-ray room layouts, and confidence in preparing for placements.</div></div><div><h3>Results</h3><div>90 % of the students who participated in the study reported the 360° virtual tour was beneficial in improving their confidence in preparing for placements and supplementing their knowledge of the clinical environment. The tour provided them with a clearer understanding of the layout of X-ray rooms, workflow, and essential equipment, helping to reduce anxiety before placements. Overall satisfaction with the virtual tour was high with 100 % of students willing to use it again.</div></div><div><h3>Conclusion</h3><div>The results suggest that a 360° virtual tour serves as a valuable ‘stepping-stone’ for students transitioning to clinical practice. This cost-effective and versatile teaching tool can enhance student preparedness and may be adopted as a supplementary resource in radiography education.</div></div><div><h3>Implications for practice</h3><div>The findings have broader implications for integrating virtual reality tools in healthcare education. Future research should explore its application across various disciplines and assess its long-term impact on student learning outcomes.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103023"},"PeriodicalIF":2.5,"publicationDate":"2025-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"To iMAR or not to iMAR: Quantitative impact of MAR algorithms on image quality in a phantom study","authors":"D. Cester,&nbsp;T. Flohr,&nbsp;B. Zanini,&nbsp;H. Alkadhi","doi":"10.1016/j.radi.2025.103088","DOIUrl":"10.1016/j.radi.2025.103088","url":null,"abstract":"<div><h3>Introduction</h3><div>The purpose of this study was to describe the impact of the latest metal artefact reduction algorithm (MAR) on a photon-counting CT (PCCT) in a phantom study simulating metal hip prostheses.</div></div><div><h3>Methods</h3><div>Two phantoms were scanned on a clinical PCCT with different configurations of laterally placed metal inserts. Acquisitions were performed at 140 kVp and reconstructed as virtual monoenergetic images (VMI) at 60–190 keV in 10-keV steps using a standard abdominal kernel, with and without iterative MAR (iMAR). Artefacts were quantified with the Root Mean Square of the image Difference (RMSD). Image quality was assessed by means of noise properties (noise, NPS), frequency response (TTF) and detectability index (d') and compared with the reference (70 keV VMI, no implants).</div></div><div><h3>Results</h3><div>increasing VMI energy did not always result in a reduction of artefacts measured by RMSD; the minimum values were always obtain with iMAR, which provided a further 32 % and 60 % best RMSD reduction with two steel and two titanium rods, respectively. Combining low-energy VMI and iMAR resulted in the closest NPS texture to the metal-free reference. The detectability of the high-contrast task with two steel rods decreased by 27–66 % with VMI alone compared to the reference, and by only 8.5 % with iMAR at 70 keV. The detectability with iMAR was never smaller than with VMI alone (within one standard deviation).</div></div><div><h3>Conclusions</h3><div>iMAR showed better and more consistent noise and artefact reductions compared to VMI technique alone for all configurations. In 10 cases out of 12 the best detectability was observed with a combination of iMAR and VMI at 60 or 70 keV.</div></div><div><h3>Implications for practice</h3><div>iMAR should be activated in the presence of metal hip implants to effectively reduce metal artefacts, particularly in combination with low VMI energies.</div></div>","PeriodicalId":47416,"journal":{"name":"Radiography","volume":"31 5","pages":"Article 103088"},"PeriodicalIF":2.5,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144596285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}