Welcome to The Royal Devon Research Repository

The Royal Devon Research Repository contains research outputs from staff at the Royal Devon University Healthcare NHS Foundation Trust.

You can browse items by Title, Author, Subject or Community/Collection, or use the search function to find specific topics.

The repository contains details of published, peer-reviewed journal articles, reviews, book chapters, conference abstracts and posters. Full-text of journal articles have been included where publisher's permissions allow.

If you are a member of Royal Devon University Healthcare NHS Foundation Trust and you'd like to submit an item to the repository, please fill in this online form. If you have a list of publications you'd like to submit, please e-mail the repository admin team: rde-tr.ResearchRepository@nhs.net.

For more information or help, please contact The Royal Devon Research Repository admin team:
Email: rde-tr.ResearchRepository@nhs.net
Telephone: Exeter Health Library, 01392 406800

Recent Submissions

  • Item
    Laboratory practice is central to earlier myeloma diagnosis: Utilizing a primary care diagnostic tool and laboratory guidelines integrated into haematology services
    (Wiley, 2024-02-01) Drayson, M.; Jennis, T.; Laketic-Ljubojevic, I.; Patel, D.; Pratt, G.; Renwick, S.; Richter, A.; Wheeler, R.; Sheldon, J.; Sadler, R.; Stapleton, M.; Willis, F.; Whiston, M.
    Treatment advances have greatly improved survival, but myeloma is among the worst of all cancers for delayed diagnosis, causing serious morbidities and early deaths. This delay is largely because the symptom profile of myeloma has very low specificity, and in primary care, myeloma is rare. However, initiating the journey to diagnosis simply requires considering myeloma and sending blood to test for monoclonal immunoglobulin. Laboratory tests reliably detect monoclonal immunoglobulin, which is present in 99% of myeloma cases, so why do health care systems have such a problem with delayed diagnosis? The Myeloma UK early diagnosis programme has brought together diverse expertise to investigate this problem, and this article was prepared by the programme's working group for laboratory best practice. It reviews evidence for test requesting, analysis and reporting, for which there is large variation in practice across the United Kingdom. It presents a 'GP Myeloma diagnostic tool' and how it can be integrated into laboratory practice alongside a laboratory best practice tool. It proposes improved requesting and integration with haematology services for reporting and interpretation. Here the laboratory has a central role in creating efficient and cost-effective pathways for appropriate and timely bone marrow examination for myeloma diagnosis.
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    Cochlear implant referral patterns in the UK suggest a postcode lottery with inequitable access for older adults; results of a pilot audit in five Audiology sites
    (Taylor and Francis Group, NYP) Cullington, H.; Dickinson, A. M.; Martinez de Estibariz, U.; Blackaby, J.; Kennedy, L.; McNeill, K.; O'Neill, S.
    OBJECTIVE: To use a standardised reporting tool to identify potential eligible candidates for cochlear implant (CI) referral and quantify the proportion of adults who had a CI referral discussion after presenting with an audiogram within United Kingdom (UK) audiometric criteria. DESIGN: Retrospective multicentre 6-month audit of Audiology clinic databases. STUDY SAMPLE: A total of 810 adults from five geographically diverse UK Audiology sites. RESULTS: Data were collected in late 2019 after UK CI audiometric candidacy criteria changed; one site collected only 3 months of data. The proportion of potential eligible adults (based only on audiometry) considered for CI referral was 64% (521 out of 810) and varied by site (from 50% to 83%). About 24% of patients (123 out of 521) declined CI referral; this also varied across sites (12-45%). The median age of patients where CI referral was not considered was 80 years - significantly higher than the group where CI referral was considered (73 years). CONCLUSIONS: CI referral is dependent on where adults live, and how old they are. Older adults are significantly less likely to be considered for CI referral by Audiologists. Audiology clinics need more support to empower staff to talk to patients about CI referral.
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    Management of intraoperatively identified small bile duct stones in patients undergoing cholecystectomy
    (Springer, 2024-02-01) Bunting, D.; Adesuyi, A.; Findlay, J.; Pawlak, M.; Sanders, D.
    INTRODUCTION: The management of CBDS (common bile duct stones) in patients with co-existing gallbladder stones has been debated. Guidelines recommend patients with CBDS identified on imaging should be offered duct clearance; however, this is based on low-quality evidence. This study aimed to investigate the natural history of small CBDS identified using IOUS (intraoperative ultrasound) in patients undergoing cholecystectomy. This may provide evidence to support a short-term expectant management approach in such patients. METHODS: Patients with CBDS diagnosed on IOUS during cholecystectomy were identified from a database of consecutive patients undergoing surgery. Patients with CBDS identified were divided into small stone (SS, =5 mm) and large stone (LS, >5 mm) groups. Intraoperative CBDS management, postoperative investigations, postoperative bile duct clearance, re-admissions, complications, length of stay (LOS) and follow-up are described. RESULTS: Fifty-nine of 427 patients had CBDS identified on IOUS. In the SS group (n=51), 46 patients underwent short-term expectant management rather than immediate/planned bile duct clearance. Following short-term expectant management, 41/46 patients (89.1%) did not require postoperative endoscopic retrograde cholangiopancreatography and at >3 year follow-up, none has since presented with residual CBDS. Median LOS was 0 days in the short-term expectant management group and 2 days in the immediate/planned bile duct clearance group, P=0.039. CONCLUSIONS: This study reports the natural history of small CBDS identified on IOUS in patients undergoing cholecystectomy. Such patients were safely treated with short-term expectant management associated with a reduced hospital LOS. This provides rationale for undertaking further research to establish this as a preferred management strategy.
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    A Case Series on a Rare Gynecological Cancer and a Review of Recent Literature on Vulval Cancer
    (Unknown, 2024-01-01) Zakaria, R. M.; Ahammed, M. R.; Mahmud, M. S.; Tamanna, R.; Jenny, N. E. J.
    Vulval cancer is a rare gynaecological malignancy. Though it has got excellent prognosis if diagnosed and treated early, but in most instances, women present late with advanced disease as they are too uncomfortable to discuss it with their doctors. Advanced vulval cancer is difficult to treat, has got poor prognosis and the treatment itself can cause morbidity and mortality. The authors describe three cases of isolated vulval cancer in a gynaecology centre in south Wales that had late presentation due to embarrassment despite noticing the lesion for long time and a brief review of the literature on its prevalence, clinical presentation, investigation and best management.
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    The Role of Insulin-like Growth Factor (IGF) System in the Corneal Epithelium Homeostasis-From Limbal Epithelial Stem Cells to Therapeutic Applications
    (MDPI, 2024-03-01) Woronkowicz, M.; Roberts, H.; Skopinski, P.
    The corneal epithelium, comprising three layers of cells, represents the outermost portion of the eye and functions as a vital protective barrier while concurrently serving as a critical refractive structure. Maintaining its homeostasis involves a complex regenerative process facilitated by the functions of the lacrimal gland, tear film, and corneal nerves. Crucially, limbal epithelial stem cells located in the limbus (transitional zone between the cornea and the conjunctiva) are instrumental for the corneal epithelium integrity by replenishing and renewing cells. Re-epithelialization failure results in persistent defects, often associated with various ocular conditions including diabetic keratopathy. The insulin-like growth factor (IGF) system is a sophisticated network of insulin and other proteins essential for numerous physiological processes. This review examines its role in maintaining the corneal epithelium homeostasis, with a special focus on the interplay with corneal limbal stem cells and the potential therapeutic applications of the system components.

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