Radiology (X-Ray and medical imaging)

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Research outputs from the Radiology Department at the RD&E.

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Now showing 1 - 5 of 38
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    Drugless and radiographer led: the start of a new era for CT coronary angiography
    (BMJ, 2023-06-01) Morgan-Hughes, G.; McNally, R.; Gibbs, C. G.; Iacovides, S.; Kirat-Rai, P.; Thiriphoo, N.; Powell, A.; Stuckey, C.; Thorpe, R.; Mayo, L.; Roobottom, C.
    OBJECTIVE: Since inception CT coronary angiography (CTCA) has required facilitating beta blockers (BB). However, CT technology has improved rapidly as has radiographer and reporter expertise. Using these factors, we instituted a radiographer led cardiac CT service (RLCCTS), without routine BB, which we studied for quality control (QC). METHODS: RLCCTS started October 2021 using a wide detector array CT system, with 20 min slots. QC study was registered with the clinical audit team, University Hospitals Plymouth, CA_2020-21-118. Uniform reporting was agreed including indication, BB administration, demographics, dose length product (DLP) and the coronary artery disease-reporting and data system (CAD-RADS) score. Uncertain CAD-RADS meant a non-diagnostic scan (NDS). Six months of data were collected; stable chest pain (SCP) patients, who have national CTCA QC comparators, were analysed using descriptive statistics. RESULTS: Of 1475 patients, 447 were not SCP patients-known CAD (157); valves (286); removed (4, data incomplete) leaving 1028 SCP patients CTCA for analysis. Demographics-mean age 63 years, body mass index 29, 50.4% women. BB therapy-four patients (two recalls). Overall, 36/1024 or 3.5% were NDS; median DLP 173mGy×cm; mean heart rate (HR) 70 bpm, 99/1024 or 9.7% HR >90 bpm (45% not sinus rhythm). CONCLUSIONS: Quality for RLCCTS was judged by NDS rate and DLP. National QC comparators suggest 4% NDS rate; median DLP for SCPP CTCA 209 mGy×cm. RLCCTS compares favourably. With modern cardiac CT, experienced radiographers and reporters, 'drugless' RLCCTS can deliver 20 min slot CTCA with satisfactory QC indicators.
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    Post-acute COVID syndrome (long COVID): What should radiographers know and the potential impact for imaging services
    (Elsevier, 2022-09-12) Alghamdi, F.; Owen, R.; Ashton, R. E. M.; Obotiba, A. D.; Meertens, R. M.; Hyde, E.; Faghy, M. A.; Knapp, K. M.; Rogers, P.; Strain, W. D.
    OBJECTIVES: The COVID-19 pandemic caused an unprecedented health crisis resulting in over 6 million deaths worldwide, a figure, which continues to grow. In addition to the excess mortality, there are individuals who recovered from the acute stages, but suffered long-term changes in their health post COVID-19, commonly referred to as long COVID. It is estimated there are currently 1.8 million long COVID sufferers by May 2022 in the UK alone. The aim of this narrative literature review is to explore the signs, symptoms and diagnosis of long COVID and the potential impact on imaging services. KEY FINDINGS: Long COVID is estimated to occur in 9.5% of those with two doses of vaccination and 14.6% if those with a single dose or no vaccination. Long COVID is defined by ongoing symptoms lasting for 12 or more weeks post acute infection. Symptoms are associated with reductions in the quality of daily life and may involve multisystem manifestations or present as a single symptom. CONCLUSION: The full impact of long COVID on imaging services is yet to be realised, but there is likely to be significant increased demand for imaging, particularly in CT for the assessment of lung disease. Educators will need to include aspects related to long COVID pathophysiology and imaging presentations in curricula, underpinned by the rapidly evolving evidence base. IMPLICATIONS FOR PRACTICE: Symptoms relating to long COVID are likely to become a common reason for imaging, with a particular burden on Computed Tomography services. Planning, education and updating protocols in line with a rapidly emerging evidence base is going to be essential.
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    The Norwich Osteoarthritis of the Ankle MRI Score (NOAMS): a reliability study
    (Elsevier, 2022-06-01) Aboelmagd, S. M.; Low, S. B.; Cahir, J. G.; Loveday, D.; Marshall, A. T.; Teh, J.; Vaughan, P.; Grainger, A.; MacGregor, A.; Toms, A. P.
    AIM: To define and test the inter- and intra-rater reliability of a grading system for staging osteoarthritis (OA) of the ankle with magnetic resonance imaging (MRI) (Norwich Osteoarthritis of the Ankle MRI Score, NOAMS). MATERIALS AND METHODS: The MRI features to be included in the score were defined by a multidisciplinary expert panel through a Delphi process. An anonymised randomised dataset of 50 MRI studies was created from patients with concurrent plain radiographs to include 10 ankles of each of the Kellgren-Lawrence grades 0 to 4. Two experienced musculoskeletal radiologists and two trainees scored each ankle MRI twice independently and blinded to the plain radiographs. RESULTS: The inter-rater kappa coefficient of agreement for cartilage disease was 0.88 (95% confidence interval [CI]: 0.85, 0.91) for experienced raters and 0.71 (95% CI: 0.67, 0.76) for trainees. Inter-rater agreement for subchondral bone marrow oedema and cysts varied from 0.73 to 0.82 for experienced raters and from 0.63 to 0.75 for trainees with lowest 95% CI of 0.48 and 0.63. When bone marrow lesions were combined into a total joint score the level of agreement increased to between 0.88 and 0.97 with lowest 95% CI of 0.86. Combining cartilage zone scores did not increase the reliability coefficients. CONCLUSION: An expert panel considered that cartilage degradation and subchondral bone marrow lesions were the most important features for staging the severity of ankle OA on MRI. Experienced observers can grade the severity of ankle OA on MRI with a clinically useful high degree of reproducibility.
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    Erratum: Removal notice to Osteogenesis imperfecta Type XI: a rare cause of severe infantile cervical kyphosis" [Radiology Case Reports 15 (2020) 2157-2163]"
    (Elsevier, 2021-11-01) Ferguson, J. L.; Burrows, S. R.
    [This corrects the article DOI: 10.1016/j.radcr.2020.06.049.].
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    Musculoskeletal ultrasound imaging standards in the UK: British Society of Skeletal Radiologists (BSSR) position statement
    (British Institute of Radiology, 2021-05-01) Dalili, Danoob; Carne, Andrew; MacKay, James; O'Connor, Philip; Silver, David; Robinson, Philip; Mansour, Ramy
    There has been some concern expressed by UK regulator, the Professional Standards Authority regarding the risks arising from Independent sonographer practices. The Professional Standards Authority presented evidence demonstrating that there are instances of harm occurring because of errors made by non-radiologists performing musculoskeletal ultrasound (MSKUS), particularly MSKUS-guided interventions. This document summarises British Society of Skeletal Radiologists position for Musculoskeletal use of ultrasound in UK, representing the agreed consensus of experts from the British Society of Skeletal Radiologists Ultrasound committee. The purpose of this position statement is to review the current practices affecting the delivery of MSKUS. Recommendations are given for education and training, audit and clinical governance, reporting, and medicolegal issues.