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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Abstract
Post-mortem computed tomography (PMCT) imaging is gaining popularity and acceptance for use alongside forensic autopsies of children, predominantly to aid in the detection of traumatic injuries. Recent research on this topic has provided a breadth of new information regarding the appropriate usage, imaging guidance, and diagnostic accuracy for the identification of different paediatric pathologies. Additionally, advanced CT imaging techniques, such as PMCT angiography or ventilated PMCT, have been trialled, and post-mortem micro-CT is now being used in specialist centres for the assessment of subtle fractures in extracted bone specimens. Various image post-processing methods (e.g., three-dimensional printing from PMCT imaging data) are being used for the illustration of injuries in the medicolegal setting to a lay audience and provide another avenue for the future of forensic radiology research. In this review, the evidence-based principles and benefits of post-mortem imaging for forensic investigation in childhood deaths are presented, with a particular focus on PMCT and current practices. Variations in forensic imaging strategies around the world, published diagnostic accuracy rates, and expected normal post-mortem imaging findings are discussed, as well as potential future applications and research in this area.
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Affiliation(s)
- H Edwards
- Alder Hey Children's NHS Foundation Trust, Liverpool L12 2AP, UK
| | - S C Shelmerdine
- Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK; UCL Great Ormond Street Institute of Child Health, London, UK; NIHR Great Ormond Street Hospital Biomedical Research Centre, UK
| | - O J Arthurs
- Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK; UCL Great Ormond Street Institute of Child Health, London, UK; NIHR Great Ormond Street Hospital Biomedical Research Centre, UK.
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Wiles MD, Braganza M, Edwards H, Krause E, Jackson J, Tait F. Management of traumatic brain injury in the non-neurosurgical intensive care unit: a narrative review of current evidence. Anaesthesia 2023; 78:510-520. [PMID: 36633447 DOI: 10.1111/anae.15898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2022] [Indexed: 01/13/2023]
Abstract
Each year, approximately 70 million people suffer traumatic brain injury, which has a significant physical, psychosocial and economic impact for patients and their families. It is recommended in the UK that all patients with traumatic brain injury and a Glasgow coma scale ≤ 8 should be transferred to a neurosurgical centre. However, many patients, especially those in whom neurosurgery is not required, are not treated in, nor transferred to, a neurosurgical centre. This review aims to provide clinicians who work in non-neurosurgical centres with a summary of contemporary studies relevant to the critical care management of patients with traumatic brain injury. A targeted literature review was undertaken that included guidelines, systematic reviews, meta-analyses, clinical trials and randomised controlled trials (published in English between 1 January 2017 and 1 July 2022). Studies involving key clinical management strategies published before this time, but which have not been updated or repeated, were also eligible for inclusion. Analysis of the topics identified during the review was then summarised. These included: fundamental critical care management approaches (including ventilation strategies, fluid management, seizure control and osmotherapy); use of processed electroencephalogram monitoring; non-invasive assessment of intracranial pressure; prognostication; and rehabilitation techniques. Through this process, we have formulated practical recommendations to guide clinical practice in non-specialist centres.
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Affiliation(s)
- M D Wiles
- Department of Critical Care, Major Trauma and Head Injuries, Sheffield Teaching Hospital NHS Foundation Trust, Sheffield, UK.,University of Sheffield Medical School, Sheffield, UK
| | - M Braganza
- Department of Intensive Care, Chesterfield Royal Hospital NHS Foundation Trust, Chesterfield, UK
| | - H Edwards
- Department of Neurosciences, Major Trauma and Head Injuries, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - E Krause
- Neurology and Stroke, Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust, Doncaster, UK
| | - J Jackson
- Major Trauma and Head Injuries, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | - F Tait
- Department of Anaesthesia, Northampton General Hospital NHS Trust, Northampton, UK
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Martin P, Gleeson S, Clarke CL, Thomson T, Edwards H, Spensley K, Mortimer P, McIntyre S, Cox A, Pickard G, Lightstone L, Thomas D, McAdoo SP, Kelleher P, Prendecki M, Willicombe M. Comparison of immunogenicity and clinical effectiveness between BNT162b2 and ChAdOx1 SARS-CoV-2 vaccines in people with end-stage kidney disease receiving haemodialysis: A prospective, observational cohort study. Lancet Reg Health Eur 2022; 21:100478. [PMID: 36105885 PMCID: PMC9463038 DOI: 10.1016/j.lanepe.2022.100478] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Background People with end-stage kidney disease, including people on haemodialysis, are susceptible to greater COVID-19 related morbidity and mortality. This study compares the immunogenicity and clinical effectiveness of BNT162B2 versus ChAdOx1 in haemodialysis patients. Methods In this observational cohort study, 1021 patients were followed-up from time of vaccination until December 2021. All patients underwent weekly RT-PCR screening. Patients were assessed for nucleocapsid(anti-NP) and spike(anti-S) antibodies at timepoints after second(V2) and third(V3) vaccinations. 191 patients were investigated for T-cell responses. Vaccine effectiveness (VE) for prevention of infection, hospitalisation and mortality was evaluated using the formula VE=(1-adjustedHR)x100. Findings 45.7% (467/1021) had evidence of prior infection. There was no difference in the proportion of infection-naïve patients who seroconverted by vaccine type, but median anti-S antibody titres were higher post-BNT162b2 compared with ChAdOx1; 462(152-1171) and 78(20-213) BAU/ml respectively, p<0.001. Concomitant immunosuppressant use was a risk factor for non-response, OR 0.12[95% CI 0.05-0.25] p<0.001. Post-V3 (all BNT162b2), median anti-S antibody titres remained higher in those receiving BNT162b2 versus ChAdOx1 as primary doses; 2756(187-1246) and 1250(439-2635) BAU/ml respectively, p=0.003.Anti-S antibodies waned over time. Hierarchical levels of anti-S post-V2 predicted risk of infection; patients with no/low anti-S being at highest risk. VE for preventing infection, hospitalisation and death was 53% (95% CI 6-75), 77% (95% CI 30-92) and 93% (95% CI 59-99) respectively, with no difference seen by vaccine type. Interpretation Serum anti-S concentrations predict risk of breakthrough infection. Anti-S responses vary dependent upon clinical features, infection history and vaccine type. Monitoring of serological responses may enable individualised approaches to vaccine boosters in at risk populations. Funding National Institute for Health Research (NIHR) Biomedical Research Centre based at Imperial College Healthcare NHS Trust and Imperial College London.
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Affiliation(s)
- Paul Martin
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
| | - Sarah Gleeson
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Candice L. Clarke
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Tina Thomson
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
| | - Helena Edwards
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
| | - Katrina Spensley
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Paige Mortimer
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Stacey McIntyre
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Alison Cox
- Department of Infection and Immunity Sciences, Northwest London Pathology NHS trust, Charing Cross Hospital, Fulham Palace Road, London W6 6RF, United Kingdom
| | - Graham Pickard
- Department of Infection and Immunity Sciences, Northwest London Pathology NHS trust, Charing Cross Hospital, Fulham Palace Road, London W6 6RF, United Kingdom
| | - Liz Lightstone
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - David Thomas
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Stephen P. McAdoo
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Peter Kelleher
- Department of Infection and Immunity Sciences, Northwest London Pathology NHS trust, Charing Cross Hospital, Fulham Palace Road, London W6 6RF, United Kingdom
- Department of Infectious Diseases, Imperial College London, Chelsea and Westminster Campus, Fulham Road, London SW10 9NH, United Kingdom
| | - Maria Prendecki
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
| | - Michelle Willicombe
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London W12 0HS, United Kingdom
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, Hammersmith campus, Du Cane Road, London W12 0NN, United Kingdom
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Gulati K, Edwards H, Prendecki M, Pusey CD, McAdoo SP. The authors reply:. Kidney Int 2022; 101:648-649. [DOI: 10.1016/j.kint.2021.11.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 11/30/2021] [Indexed: 10/19/2022]
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Turner-Stokes T, Edwards H, Lightstone L. COVID-19 in patients with glomerular disease. Curr Opin Nephrol Hypertens 2022; 31:191-198. [PMID: 34923542 DOI: 10.1097/mnh.0000000000000769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW Managing patients with glomerular disease during the COVID-19 pandemic has been challenging, as the infection risk associated with immunosuppression must be balanced against the need to control severe glomerular disease that can lead to kidney failure. This review provides an overview of COVID-19 and the effectiveness of SARS-CoV-2 vaccination in patients with glomerular disease. RECENT FINDINGS Registry data, although biased towards outcomes of hospitalized patients, suggest that the mortality from COVID-19 is higher in patients with glomerular disease than in the general population. Glucocorticoid use prior to SARS-CoV-2 infection is associated with adverse outcomes from COVID-19. Rituximab significantly attenuates serological responses to both natural infection and vaccination against SARS-CoV-2, although it is not clear whether this leads to adverse outcomes. Case reports of disease flares occurring after vaccination have been reported, but causality in any of these cases has yet to be proven and the absolute risk remains very small. SUMMARY Patients with glomerular disease represent an at-risk group for severe COVID-19 disease and vaccination is key to reducing this risk. As immunosuppressed patients demonstrate an attenuated response to vaccination, the efficacy of a third primary dose followed by a subsequent booster is being investigated.
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Affiliation(s)
- Tabitha Turner-Stokes
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Helena Edwards
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Liz Lightstone
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
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Prendecki M, Thomson T, Clarke CL, Martin P, Gleeson S, De Aguiar RC, Edwards H, Mortimer P, McIntyre S, Mokreri D, Cox A, Pickard G, Lightstone L, Thomas D, McAdoo SP, Kelleher P, Willicombe M. Immunological responses to SARS-CoV-2 vaccines in kidney transplant recipients. Lancet 2021; 398:1482-1484. [PMID: 34619100 PMCID: PMC8489877 DOI: 10.1016/s0140-6736(21)02096-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/31/2021] [Accepted: 09/06/2021] [Indexed: 12/19/2022]
Affiliation(s)
- Maria Prendecki
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Tina Thomson
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Candice L Clarke
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Paul Martin
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Sarah Gleeson
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Rute Cardoso De Aguiar
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Helena Edwards
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Paige Mortimer
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Stacey McIntyre
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | | | - Alison Cox
- Department of Infection and Immunity Sciences, Northwest London Pathology NHS Trust, Charing Cross Hospital, London, UK
| | - Graham Pickard
- Department of Infection and Immunity Sciences, Northwest London Pathology NHS Trust, Charing Cross Hospital, London, UK
| | - Liz Lightstone
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - David Thomas
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Stephen P McAdoo
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Peter Kelleher
- Department of Infection and Immunity Sciences, Northwest London Pathology NHS Trust, Charing Cross Hospital, London, UK; Department of Infectious Diseases, Imperial College London, Chelsea & Westminster Hospital Campus, London, UK (PK)
| | - Michelle Willicombe
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK; Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK.
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Oliver R, Krueger JG, Glatt S, Vajjah P, Mistry C, Page M, Edwards H, Garcet S, Li X, Dizier B, Maroof A, Watling M, El Baghdady A, Baeten D, Ionescu L, Shaw S. Bimekizumab for the treatment of moderate-to-severe plaque psoriasis: efficacy, safety, pharmacokinetics, pharmacodynamics and transcriptomics from a phase IIa, randomized, double-blind multicentre study. Br J Dermatol 2021; 186:652-663. [PMID: 34687214 PMCID: PMC9303624 DOI: 10.1111/bjd.20827] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2021] [Indexed: 01/18/2023]
Abstract
BACKGROUND Bimekizumab is a monoclonal antibody that selectively inhibits both interleukin (IL)-17A and IL-17F, which is currently under investigation for treatment of moderate-to-severe plaque psoriasis. Maintenance dosing every 4 weeks is well established with IL-17 inhibitors for psoriasis. OBJECTIVES To investigate the possible dosing interval during bimekizumab maintenance therapy to maintain clear skin, to inform phase III studies. METHODS Forty-nine patients with moderate-to-severe plaque psoriasis received bimekizumab 320 mg at weeks 0/4, followed at week 16 by bimekizumab 320 mg (n = 17) or placebo (n = 32). Efficacy, safety, pharmacokinetics, immunogenicity and biopsy transcriptomic analyses were assessed to week 28. RESULTS At week 8, 47% of patients achieved a 100% improvement from baseline in Psoriasis Area and Severity Index (PASI 100), increasing to 57% at week 12 (8 weeks after the second dose) before decreasing. In those who received bimekizumab at week 16, PASI 100 rate increased to comparable peak levels at week 20, but reduced by week 28 to 41% (12 weeks after the third dose). The week 8 transcriptional signature observed in lesional psoriatic skin rapidly normalized to levels consistent with nonlesional skin, resulting in molecular remission. Keratinocyte-related gene products such as CXCL1 (C-X-C motif chemokine ligand 1), IL-8 (encoded by the CXCL8 gene), CCL20 (C-C motif chemokine 20), IL-36γ and IL-17C were profoundly normalized to levels associated with nonlesional skin. CONCLUSIONS Here, inhibition of IL-17F in addition to IL-17A resulted in rapid, deep clinical responses. Additionally, profound normalization of keratinocyte biology and the psoriatic transcriptome was observed, including normalization of both IL17 and IL23 gene expression by week 8. These data provide evidence to support evaluation of bimekizumab maintenance dosing both every 8 and every 4 weeks in phase III clinical trials.
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Affiliation(s)
| | - J G Krueger
- The Rockefeller University, New York, NY, USA
| | | | | | - C Mistry
- UCB Pharma, Slough, UK.,Veramed, London, UK
| | | | | | - S Garcet
- The Rockefeller University, New York, NY, USA
| | - X Li
- The Rockefeller University, New York, NY, USA
| | - B Dizier
- UCB Pharma, Braine-l'Alleud, Belgium
| | | | | | - A El Baghdady
- Institute of Pharmaceutical Science, King's College London, London, UK
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Prendecki M, Clarke C, Edwards H, McIntyre S, Mortimer P, Gleeson S, Martin P, Thomson T, Randell P, Shah A, Singanayagam A, Lightstone L, Cox A, Kelleher P, Willicombe M, McAdoo SP. Humoral and T-cell responses to SARS-CoV-2 vaccination in patients receiving immunosuppression. Ann Rheum Dis 2021; 80:1322-1329. [PMID: 34362747 PMCID: PMC8350975 DOI: 10.1136/annrheumdis-2021-220626] [Citation(s) in RCA: 167] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/09/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE There is an urgent need to assess the impact of immunosuppressive therapies on the immunogenicity and efficacy of SARS-CoV-2 vaccination. METHODS Serological and T-cell ELISpot assays were used to assess the response to first-dose and second-dose SARS-CoV-2 vaccine (with either BNT162b2 mRNA or ChAdOx1 nCoV-19 vaccines) in 140 participants receiving immunosuppression for autoimmune rheumatic and glomerular diseases. RESULTS Following first-dose vaccine, 28.6% (34/119) of infection-naïve participants seroconverted and 26.0% (13/50) had detectable T-cell responses to SARS-CoV-2. Immune responses were augmented by second-dose vaccine, increasing seroconversion and T-cell response rates to 59.3% (54/91) and 82.6% (38/46), respectively. B-cell depletion at the time of vaccination was associated with failure to seroconvert, and tacrolimus therapy was associated with diminished T-cell responses. Reassuringly, only 8.7% of infection-naïve patients had neither antibody nor T-cell responses detected following second-dose vaccine. In patients with evidence of prior SARS-CoV-2 infection (19/140), all mounted high-titre antibody responses after first-dose vaccine, regardless of immunosuppressive therapy. CONCLUSION SARS-CoV-2 vaccines are immunogenic in patients receiving immunosuppression, when assessed by a combination of serology and cell-based assays, although the response is impaired compared with healthy individuals. B-cell depletion following rituximab impairs serological responses, but T-cell responses are preserved in this group. We suggest that repeat vaccine doses for serological non-responders should be investigated as means to induce more robust immunological response.
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Affiliation(s)
- Maria Prendecki
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Candice Clarke
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Helena Edwards
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Stacey McIntyre
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Paige Mortimer
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
| | - Sarah Gleeson
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Paul Martin
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Tina Thomson
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Paul Randell
- Department of Infection and Immunity, North West London Pathology NHS Trust, London, UK
| | - Anand Shah
- Respiratory Medicine, Royal Brompton Hospital, Guy's and St. Thomas' NHS Foundation Trust, London, UK
- MRC Centre of Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK
| | - Aran Singanayagam
- Department of Infectious Diseases, Imperial College London, London, UK
- Department of Respiratory Medicine, Harefield Hospital, London, UK
| | - Liz Lightstone
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Alison Cox
- Department of Infection and Immunity, North West London Pathology NHS Trust, London, UK
| | - Peter Kelleher
- Department of Infection and Immunity, North West London Pathology NHS Trust, London, UK
- Department of Infectious Diseases, Imperial College London, London, UK
| | - Michelle Willicombe
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Stephen P McAdoo
- Centre for Inflammatory Disease, Department of Immunology and Inflammation, Imperial College London, London, UK
- Imperial College Renal and Transplant Centre, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
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11
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Simkus P, Edwards H, Banisauskaite A, Shelmerdine SC, Arzanauskaite M. Finding the right home for your radiology article: a useful tool. Clin Radiol 2021; 76:938-939. [PMID: 34583827 DOI: 10.1016/j.crad.2021.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 09/08/2021] [Indexed: 11/17/2022]
Affiliation(s)
- P Simkus
- Liverpool Heart and Chest Hospital NHS Foundation Trust, Liverpool, UK
| | - H Edwards
- Liverpool Heart and Chest Hospital NHS Foundation Trust, Liverpool, UK
| | - A Banisauskaite
- Liverpool Heart and Chest Hospital NHS Foundation Trust, Liverpool, UK; Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - S C Shelmerdine
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK; UCL Great Ormond Street Institute of Child Health, London, WC1N 1EH, UK
| | - M Arzanauskaite
- Liverpool Heart and Chest Hospital NHS Foundation Trust, Liverpool, UK; Cardiovascular Research Center-ICCC, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
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12
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Gulati K, Edwards H, Prendecki M, Cairns TD, Condon M, Galliford J, Griffith M, Levy JB, Tam FWK, Tanna A, Pusey CD, McAdoo SP. Combination treatment with rituximab, low-dose cyclophosphamide and plasma exchange for severe antineutrophil cytoplasmic antibody-associated vasculitis. Kidney Int 2021; 100:1316-1324. [PMID: 34560140 DOI: 10.1016/j.kint.2021.08.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 08/06/2021] [Accepted: 08/13/2021] [Indexed: 11/28/2022]
Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis can present with life-threatening lung-kidney syndromes. However, many controlled treatment trials excluded patients with diffuse alveolar hemorrhage or severely impaired glomerular filtration rates, and so the optimum treatment in these cases is unclear. In this retrospective cohort study, we report the outcomes of 64 patients with life-threatening disease treated with a combination regimen of rituximab, low-dose intravenous cyclophosphamide, oral glucocorticoids, and plasma exchange. At entry, the median estimated glomerular filtration rate was 9 mL/min, 47% of patients required dialysis, and 52% had diffuse alveolar hemorrhage. All patients received a minimum of seven plasma exchanges, and the median cumulative doses of rituximab, cyclophosphamide, and glucocorticoid were 2, 3, and 2.6 g, respectively, at six months. A total of 94% of patients had achieved disease remission (version 3 Birmingham Vasculitis Activity Score of 0) at this time point, and 67% of patients who required dialysis recovered independent kidney function. During long-term follow-up (median duration 46 months), overall patient survival was 85%, and 69% of patients remained free from end-stage kidney disease, which compares favorably to a historic cohort with severe disease treated with a conventional induction regimen. Combination treatment was associated with prolonged B cell depletion and low rates of relapse; 87% of patients were in continuous remission at month 36. The serious infection rate during total follow-up was 0.28 infections/patient/year, suggesting that combination treatment is not associated with an enduring risk of infection. Thus, we suggest that combination immunosuppressive therapy may permit glucocorticoid avoidance and provide rapid and prolonged disease control in patients with severe ANCA-associated vasculitis.
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Affiliation(s)
- Kavita Gulati
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK
| | - Helena Edwards
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Maria Prendecki
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK
| | - Thomas D Cairns
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Marie Condon
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Jack Galliford
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Megan Griffith
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK
| | - Jeremy B Levy
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK
| | - Frederick W K Tam
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK
| | - Anisha Tanna
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Charles D Pusey
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK
| | - Stephen P McAdoo
- Vasculitis Clinic, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK; Centre for Inflammatory Disease, Immunology & Inflammation, Imperial College London, London, UK.
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13
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Zouboulis CC, Nogueira da Costa A, Makrantonaki E, Hou XX, Almansouri D, Dudley JT, Edwards H, Readhead B, Balthasar O, Jemec GBE, Bonitsis NG, Nikolakis G, Trebing D, Zouboulis KC, Hossini AM. Alterations in innate immunity and epithelial cell differentiation are the molecular pillars of hidradenitis suppurativa. J Eur Acad Dermatol Venereol 2020; 34:846-861. [PMID: 31838778 DOI: 10.1111/jdv.16147] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/20/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND The large unmet need of hidradenitis suppurativa/acne inversa (HS) therapy requires the elucidation of disease-driving mechanisms and tissue targeting. OBJECTIVE Robust characterization of the underlying HS mechanisms and detection of the involved skin compartments. METHODS Hidradenitis suppurativa/acne inversa molecular taxonomy and key signalling pathways were studied by whole transcriptome profiling. Dysregulated genes were detected by comparing lesional and non-lesional skin obtained from female HS patients and matched healthy controls using the Agilent array platform. The differential gene expression was confirmed by quantitative real-time PCR and targeted protein characterization via immunohistochemistry in another set of female patients. HS-involved skin compartments were also recognized by immunohistochemistry. RESULTS Alterations to key regulatory pathways involving glucocorticoid receptor, atherosclerosis, HIF1α and IL17A signalling as well as inhibition of matrix metalloproteases were detected. From a functional standpoint, cellular assembly, maintenance and movement, haematological system development and function, immune cell trafficking and antimicrobial response were key processes probably being affected in HS. Sixteen genes were found to characterize HS from a molecular standpoint (DEFB4, MMP1, GJB2, PI3, KRT16, MMP9, SERPINB4, SERPINB3, SPRR3, S100A8, S100A9, S100A12, S100A7A (15), KRT6A, TCN1, TMPRSS11D). Among the proteins strongly expressed in HS, calgranulin-A, calgranulin-B and serpin-B4 were detected in the hair root sheath, koebnerisin and connexin-32 in stratum granulosum, transcobalamin-1 in stratum spinosum/hair root sheath, small prolin-rich protein-3 in apocrine sweat gland ducts/sebaceous glands-ducts and matrix metallopeptidase-9 in resident monocytes. CONCLUSION Our findings highlight a panel of immune-related drivers in HS, which influence innate immunity and cell differentiation in follicular and epidermal keratinocytes as well as skin glands.
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Affiliation(s)
- C C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany.,European Hidradenitis Suppurativa Foundation e.V., Dessau, Germany
| | | | - E Makrantonaki
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - X X Hou
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - D Almansouri
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - J T Dudley
- Department of Genetics and Genomic Sciences, Institute of Next Generation Healthcare, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - H Edwards
- Translational Medicine, UCB SA, Slough, UK
| | - B Readhead
- Department of Genetics and Genomic Sciences, Institute of Next Generation Healthcare, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - O Balthasar
- Institute of Pathology, Dessau Medical Center, Dessau, Germany
| | - G B E Jemec
- European Hidradenitis Suppurativa Foundation e.V., Dessau, Germany.,Department of Dermatology, Zealand University Hospital, University of Copenhagen, Roskilde, Denmark
| | - N G Bonitsis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - G Nikolakis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany.,European Hidradenitis Suppurativa Foundation e.V., Dessau, Germany
| | - D Trebing
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - K C Zouboulis
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
| | - A M Hossini
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
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14
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Cacciottolo TM, Perikari A, van der Klaauw A, Henning E, Stadler LKJ, Keogh J, Farooqi IS, Tenin G, Keavney B, Ryan E, Budd R, Bewley M, Coelho P, Rumsey W, Sanchez Y, McCafferty J, Dockrell D, Walmsley S, Whyte M, Liu Y, Choy MK, Tenin G, Abraham S, Black G, Keavney B, Ford T, Stanley B, Good R, Rocchiccioli P, McEntegart M, Watkins S, Eteiba H, Shaukat A, Lindsay M, Robertson K, Hood S, McGeoch R, McDade R, Sidik N, McCartney P, Corcoran D, Collison D, Rush C, McConnachie A, Touyz R, Oldroyd K, Berry C, Gazdagh G, Diver L, Marshall J, McGowan R, Ahmed F, Tobias E, Curtis E, Parsons C, Maslin K, D'Angelo S, Moon R, Crozier S, Gossiel F, Bishop N, Kennedy S, Papageorghiou A, Fraser R, Gandhi S, Prentice A, Inskip H, Godfrey K, Schoenmakers I, Javaid MK, Eastell R, Cooper C, Harvey N, Watt ER, Howden A, Mirchandani A, Coelho P, Hukelmann JL, Sadiku P, Plant TM, Cantrell DA, Whyte MKB, Walmsley SR, Mordi I, Forteath C, Wong A, Mohan M, Palmer C, Doney A, Rena G, Lang C, Gray EH, Azarian S, Riva A, Edwards H, McPhail MJW, Williams R, Chokshi S, Patel VC, Edwards LA, Page D, Miossec M, Williams S, Monaghan R, Fotiou E, Santibanez-Koref M, Keavney B, Badat M, Mettananda S, Hua P, Schwessinger R, Hughes J, Higgs D, Davies J. Scientific Business Abstracts of the 113th Annual Meeting of the Association of Physicians of Great Britain and Ireland. QJM 2019; 112:724-729. [PMID: 31505685 DOI: 10.1093/qjmed/hcz175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - A Perikari
- University of Cambridge Metabolic Research Laboratories
| | | | - E Henning
- University of Cambridge Metabolic Research Laboratories
| | - L K J Stadler
- University of Cambridge Metabolic Research Laboratories
| | - J Keogh
- University of Cambridge Metabolic Research Laboratories
| | - I S Farooqi
- University of Cambridge Metabolic Research Laboratories
| | - G Tenin
- From University of Manchester
| | | | - E Ryan
- Department of Respiratory Medicine, Centre for Inflammation Research, University of Edinburgh
| | - R Budd
- Department of Infection Immunity and Cardiovascular Disease, The Florey Institute for Host-Pathogen Interactions, University of Sheffield
| | - M Bewley
- Department of Infection Immunity and Cardiovascular Disease, The Florey Institute for Host-Pathogen Interactions, University of Sheffield
| | - P Coelho
- Department of Respiratory Medicine, Centre for Inflammation Research, University of Edinburgh
| | - W Rumsey
- Stress and Repair Discovery Performance Unit, Respiratory Therapy Area
| | - Y Sanchez
- Stress and Repair Discovery Performance Unit, Respiratory Therapy Area
| | - J McCafferty
- Department of Respiratory Medicine, Centre for Inflammation Research, University of Edinburgh
| | - D Dockrell
- Department of Respiratory Medicine, Centre for Inflammation Research, University of Edinburgh
| | - S Walmsley
- Department of Respiratory Medicine, Centre for Inflammation Research, University of Edinburgh
| | - M Whyte
- Department of Respiratory Medicine, Centre for Inflammation Research, University of Edinburgh
| | - Y Liu
- From the University of Manchester
| | - M-K Choy
- From the University of Manchester
| | - G Tenin
- From the University of Manchester
| | | | - G Black
- From the University of Manchester
| | | | - T Ford
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | | | - R Good
- Golden Jubilee National Hospital
| | - P Rocchiccioli
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - M McEntegart
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | | | - H Eteiba
- Golden Jubilee National Hospital
| | | | | | | | - S Hood
- Golden Jubilee National Hospital
| | | | - R McDade
- Golden Jubilee National Hospital
| | - N Sidik
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - P McCartney
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - D Corcoran
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - D Collison
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - C Rush
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | | | - R Touyz
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
| | - K Oldroyd
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - Colin Berry
- BHF Centre of Excellence in Vascular Science and Medicine, University of Glasgow
- Golden Jubilee National Hospital
| | - G Gazdagh
- School of Medicine, Dentistry & Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow
| | - L Diver
- West of Scotland Regional Genetics Service, Laboratory Medicine Building, Queen Elizabeth University Hospital
| | - J Marshall
- Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow
| | - R McGowan
- West of Scotland Regional Genetics Service, Laboratory Medicine Building, Queen Elizabeth University Hospital
| | - F Ahmed
- Developmental Endocrinology Research Group, Royal Hospital for Children, University of Glasgow
| | - E Tobias
- Academic Unit of Medical Genetics and Clinical Pathology, Laboratory Medicine Building, Queen Elizabeth University Hospital, University of Glasgow
| | - E Curtis
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - C Parsons
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - K Maslin
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - S D'Angelo
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - R Moon
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - S Crozier
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - F Gossiel
- Academic Unit of Bone Metabolism, University of Sheffield
| | - N Bishop
- Academic Unit of Child Health, University of Sheffield
| | - S Kennedy
- Nuffield Department of Women's & Reproductive Health, John Radcliffe Hospital, University of Oxford
| | - A Papageorghiou
- Nuffield Department of Women's & Reproductive Health, John Radcliffe Hospital, University of Oxford
| | - R Fraser
- Department of Obstetrics and Gynaecology, Sheffield Hospitals NHS Trust, University of Sheffield
| | - S Gandhi
- Department of Obstetrics and Gynaecology, Sheffield Hospitals NHS Trust, University of Sheffield
| | | | - H Inskip
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - K Godfrey
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - I Schoenmakers
- Department of Medicine, Faculty of Medicine and Health Sciences, University of East Anglia
| | - M K Javaid
- NIHR Oxford Biomedical Research Centre, University of Oxford
| | - R Eastell
- Academic Unit of Bone Metabolism, University of Sheffield
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | - N Harvey
- MRC Lifecourse Epidemiology Unit, University of Southampton
| | | | - A Howden
- School of Life Sciences, University of Dundee
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - E H Gray
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
| | - S Azarian
- Institute of Hepatology, Foundation for Liver Research
| | - A Riva
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
| | - H Edwards
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
| | - M J W McPhail
- School of Immunology and Microbial Sciences, King's College London
- Institute of Liver Studies & Transplantation, King's College Hospital
| | - R Williams
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
| | - S Chokshi
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
| | - V C Patel
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
- Institute of Liver Studies & Transplantation, King's College Hospital
| | - L A Edwards
- Institute of Hepatology, Foundation for Liver Research
- School of Immunology and Microbial Sciences, King's College London
| | - D Page
- University of Manchester
- Manchester Metropolitan University
| | - M Miossec
- Manchester Metropolitan University
- University of Newcastle
| | | | | | | | | | | | - M Badat
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital
| | - S Mettananda
- Department of Paediatrics, Faculty of Medicine, University of Kelaniya
| | - P Hua
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital
| | - R Schwessinger
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital
| | - J Hughes
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital
| | - D Higgs
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital
| | - J Davies
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital
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15
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Edwards H. Lessons learnt programme – engaging junior doctors in patient safety. Future Healthc J 2019; 6:190-191. [DOI: 10.7861/futurehosp.6-1-s190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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17
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Gurtman A, Begier E, Mohamed N, Baber J, Sabharwal C, Haupt RM, Edwards H, Cooper D, Jansen KU, Anderson AS. The development of a staphylococcus aureus four antigen vaccine for use prior to elective orthopedic surgery. Hum Vaccin Immunother 2018; 15:358-370. [PMID: 30215582 DOI: 10.1080/21645515.2018.1523093] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Staphylococcus aureus (S. aureus) is a challenging bacterial pathogen which can cause a range of diseases, from mild skin infections, to more serious and invasive disease including deep or organ space surgical site infections, life-threatening bacteremia, and sepsis. S. aureus rapidly develops resistance to antibiotic treatments. Despite current infection control measures, the burden of disease remains high. The most advanced vaccine in clinical development is a 4 antigen S. aureus vaccine (SA4Ag) candidate that is being evaluated in a phase 2b/3 efficacy study in patients undergoing elective spinal fusion surgery (STaphylococcus aureus suRgical Inpatient Vaccine Efficacy [STRIVE]). SA4Ag has been shown in early phase clinical trials to be generally safe and well tolerated, and to induce high levels of bactericidal antibodies in healthy adults. In this review we discuss the design of SA4Ag, as well as the proposed clinical development plan supporting licensure of SA4Ag for the prevention of invasive disease caused by S. aureus in elective orthopedic surgical populations. We also explore the rationale for the generalizability of the results of the STRIVE efficacy study (patients undergoing elective open posterior multilevel instrumented spinal fusion surgery) to a broad elective orthopedic surgery population due to the common pathophysiology of invasive S. aureus disease and commonalties of patient and procedural risk factors for developing postoperative S. aureus surgical site infections.
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Affiliation(s)
- A Gurtman
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
| | - E Begier
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
| | - N Mohamed
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
| | - J Baber
- b Pfizer Vaccine Research and Development , Sydney , NSW , Australia
| | - C Sabharwal
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
| | - R M Haupt
- c Medical Development, Scientific and Clinical Affairs , Pfizer, Inc ., Collegeville , PA , USA
| | - H Edwards
- d World Wide Regulatory Affairs , Pfizer Inc ., Walton Oaks , UK
| | - D Cooper
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
| | - K U Jansen
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
| | - A S Anderson
- a Pfizer Vaccine Research and Development , Pfizer, Inc ., Pearl River , NY , USA
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18
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Burton Z, Edwards H, Hayward S, Khan F, Mitchell C, Singh R. Reflections from participants in the chief registrar scheme. Br J Hosp Med (Lond) 2018; 79:234-235. [PMID: 29620977 DOI: 10.12968/hmed.2018.79.4.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Zoë Burton
- ST7 Anaesthetics Trainee Portsmouth Hospitals NHS Trust Portsmouth
| | - Helena Edwards
- ST5 Nephrology Trainee Portsmouth Hospitals NHS Trust Portsmouth PO6 3LY
| | - Susan Hayward
- ST6 Anaesthetics Trainee Salisbury NHS Foundation Trust Salisbury
| | - Fasihul Khan
- Specialist Registrar Respiratory Department Glenfield Hospital Leicester LE3 9QP
| | - Christopher Mitchell
- Chief Registrar and ST8 Trauma and Orthopaedic Surgery University Hospital Southampton NHS Foundation Trust Southampton SO16 6YD
| | - Raunak Singh
- Specialist Registrar in Geriatric Medicine Department of Medicine Leicester Royal Infirmary University Hospitals of Leicester NHS Trust Leicester LE1 5WW
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Lindsay E, Renyi R, Wilkie P, Valle F, White W, Maida V, Edwards H, Foster D. Patient-centred care: a call to action for wound management. J Wound Care 2017; 26:662-677. [DOI: 10.12968/jowc.2017.26.11.662] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- E. Lindsay
- Life President of the Lindsay Leg Club Foundation and Chair of the World Union of Wound Healing Societies (WUWHS) International Panel on Patient Advocacy, The Lindsay Leg Club Foundation, Ipswich, PO Box 689, IP1 9BN
| | - R. Renyi
- Communications Consultant and Chair of the Lindsay Leg Club Foundation (2014–2017), The Lindsay Leg Club Foundation, Ipswich, PO Box 689, IP1 9BN
| | - P. Wilkie
- President and Chairman, National Association for Patient Participation, UK, National Association for Patient Participation, UK
| | - F. Valle
- University of Maryland School of Nursing, Baltimore, US
| | - W. White
- Director Educator & Advanced Practice Nurse (WM), Wendy White WoundCare, New South Wales, Australia
| | - V. Maida
- Associate Professor, University of Toronto; Assistant Clinical Professor, McMaster University, Hamilton; Division of Palliative Medicine, William Osler Health System, Toronto, Canada
| | - H. Edwards
- Professor, Faculty of Health, Queensland University of Technology, Australia
| | - D. Foster
- Chair, The Lindsay Leg Club Foundation, The Lindsay Leg Club Foundation, Ipswich, PO Box 689, IP1 9BN
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Malherbe C, Hutchinson IB, Ingley R, Boom A, Carr AS, Edwards H, Vertruyen B, Gilbert B, Eppe G. On the Habitability of Desert Varnish: A Combined Study by Micro-Raman Spectroscopy, X-ray Diffraction, and Methylated Pyrolysis-Gas Chromatography-Mass Spectrometry. Astrobiology 2017; 17:1123-1137. [PMID: 29039682 DOI: 10.1089/ast.2016.1512] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In 2020, the ESA ExoMars and NASA Mars 2020 missions will be launched to Mars to search for evidence of past and present life. In preparation for these missions, terrestrial analog samples of rock formations on Mars are studied in detail in order to optimize the scientific information that the analytical instrumentation will return. Desert varnishes are thin mineral coatings found on rocks in arid and semi-arid environments on Earth that are recognized as analog samples. During the formation of desert varnishes (which takes many hundreds of years), organic matter is incorporated, and microorganisms may also play an active role in the formation process. During this study, four complementary analytical techniques proposed for Mars missions (X-ray diffraction [XRD], Raman spectroscopy, elemental analysis, and pyrolysis-gas chromatography-mass spectrometry [Py-GC-MS]) were used to interrogate samples of desert varnish and describe their capacity to sustain life under extreme scenarios. For the first time, both the geochemistry and the organic compounds associated with desert varnish are described with the use of identical sets of samples. XRD and Raman spectroscopy measurements were used to nondestructively interrogate the mineralogy of the samples. In addition, the use of Raman spectroscopy instruments enabled the detection of β-carotene, a highly Raman-active biomarker. The content and the nature of the organic material in the samples were further investigated with elemental analysis and methylated Py-GC-MS, and a bacterial origin was determined to be likely. In the context of planetary exploration, we describe the habitable nature of desert varnish based on the biogeochemical composition of the samples. Possible interference of the geological substrate on the detectability of pyrolysis products is also suggested. Key Words: Desert varnish-Habitability-Raman spectroscopy-Py-GC-MS-XRD-ExoMars-Planetary science. Astrobiology 17, 1123-1137.
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Affiliation(s)
- C Malherbe
- 1 Department of Physics and Astronomy, University of Leicester , Leicester, UK
- 2 Laboratory of Inorganic Analytical Chemistry, Department of Chemistry, University of Liège , Liège, Belgium
| | - I B Hutchinson
- 1 Department of Physics and Astronomy, University of Leicester , Leicester, UK
| | - R Ingley
- 1 Department of Physics and Astronomy, University of Leicester , Leicester, UK
| | - A Boom
- 3 Department of Geography, University of Leicester , Leicester, UK
| | - A S Carr
- 3 Department of Geography, University of Leicester , Leicester, UK
| | - H Edwards
- 1 Department of Physics and Astronomy, University of Leicester , Leicester, UK
| | - B Vertruyen
- 4 LCIS/GREENMAT, Department of Chemistry, University of Liège , Liège, Belgium
| | - B Gilbert
- 2 Laboratory of Inorganic Analytical Chemistry, Department of Chemistry, University of Liège , Liège, Belgium
| | - G Eppe
- 2 Laboratory of Inorganic Analytical Chemistry, Department of Chemistry, University of Liège , Liège, Belgium
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Patterson F, Cousans F, Edwards H, Rosselli A, Nicholson S, Wright B. The Predictive Validity of a Text-Based Situational Judgment Test in Undergraduate Medical and Dental School Admissions. Acad Med 2017; 92:1250-1253. [PMID: 28296651 DOI: 10.1097/acm.0000000000001630] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
PROBLEM Situational judgment tests (SJTs) can be used to assess the nonacademic attributes necessary for medical and dental trainees to become successful practitioners. Evidence for SJTs' predictive validity, however, relates predominantly to selection in postgraduate settings or using video-based SJTs at the undergraduate level; it may not be directly transferable to text-based SJTs in undergraduate medical and dental school selection. This preliminary study aimed to address these gaps by assessing the validity of the UK Clinical Aptitude Test (UKCAT) text-based SJT. APPROACH Study participants were 218 first-year medical and dental students from four UK undergraduate schools who completed the first UKCAT text-based SJT in 2013. Outcome measures were educational supervisor ratings of in-role performance in problem-based learning tutorial sessions-mean rating across the three domains measured by the SJT (integrity, perspective taking, and team involvement) and an overall judgment of performance-collected in 2015. OUTCOMES There were significant correlations between SJT scores and both mean supervisor ratings (uncorrected r = 0.24, P < .001; corrected r = 0.34) and overall judgments (uncorrected rs = 0.16, P < .05; corrected rs = 0.20). SJT scores predicted 6% of variance in mean supervisor ratings across the three nonacademic domains. NEXT STEPS The results provide evidence that a well-designed text-based SJT can be appropriately integrated, and add value to, the selection process for undergraduate medical and dental school. More evidence is needed regarding the longitudinal predictive validity of SJTs throughout medical and dental training pathways, with appropriate outcome criteria.
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Affiliation(s)
- Fiona Patterson
- F. Patterson is founding director, Work Psychology Group Ltd., London, United Kingdom, and visiting researcher, Department of Psychology, Cambridge University, Cambridge, United Kingdom. F. Cousans is associate research psychologist, Work Psychology Group, Derby, United Kingdom, and teaching fellow in occupational psychology, Department of Neuroscience, Psychology & Behaviour, University of Leicester, Leicester, United Kingdom. H. Edwards is senior consultant psychologist, Work Psychology Group Ltd., Derby, United Kingdom. A. Rosselli is consultant psychologist, Work Psychology Group Ltd., Derby, United Kingdom. S. Nicholson is head, Centre for Medical Education, and head of student progression, Institute of Health Sciences Education, Queen Mary University of London, London, United Kingdom. B. Wright is professor of child psychiatry, University of York, and academic lead for student support, Hull York Medical School, University of York, York, United Kingdom
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Edwards H, Finlayson K. DEPRESSION IN COMMUNITY-LIVING OLDER ADULTS WITH CHRONIC VENOUS LEG ULCERS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.3501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H. Edwards
- Institute of Health and Biomedical innovation, Queensland University of Technology, Kelvin Grove, Queensland, Australia,
- Institute of Health and Biomedical Innovation, Kelvin Grove, Queensland, Australia
| | - K. Finlayson
- Institute of Health and Biomedical innovation, Queensland University of Technology, Kelvin Grove, Queensland, Australia,
- Institute of Health and Biomedical Innovation, Kelvin Grove, Queensland, Australia
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Affiliation(s)
- K. Finlayson
- Institute of Health and Biomedical innovation, Queensland University of Technology, Kelvin Grove, Queensland, Australia,
- Institute of Health and Biomedical Innovation, Kelvin Grove, Queensland, Australia
| | - H. Edwards
- Institute of Health and Biomedical innovation, Queensland University of Technology, Kelvin Grove, Queensland, Australia,
- Institute of Health and Biomedical Innovation, Kelvin Grove, Queensland, Australia
| | - C. Parker
- Institute of Health and Biomedical innovation, Queensland University of Technology, Kelvin Grove, Queensland, Australia,
- Institute of Health and Biomedical Innovation, Kelvin Grove, Queensland, Australia
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Martin-Khan M, Gray L, Edwards H, Wootton R, Varghese P, Lim K, Darzins P, Dakin L. COMPREHENSIVE GERIATRIC ASSESSMENT PROCEDURE ONLINE, INCORPORATING INTERRAI ACUTE CARE ASSESSMENT. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.1114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M. Martin-Khan
- The University of Queensland, Brisbane, Queensland, Australia,
| | - L.C. Gray
- Centre for Research in Geriatric Medicine, The University of Queensland, Woolloongabba, Queensland, Australia,
| | - H. Edwards
- Queensland University of Technology, Kelvin Grove, Queensland, Australia,
| | - R. Wootton
- Centre for Research in Geriatric Medicine, The University of Queensland, Woolloongabba, Queensland, Australia,
| | - P. Varghese
- Queensland Health, Brisbane, Queensland, Australia,
| | - K. Lim
- University of Melbourne, Melbourne, Victoria, Australia,
| | - P. Darzins
- Eastern Health, Box Hill, Victoria, Australia
| | - L. Dakin
- Queensland Health, Brisbane, Queensland, Australia,
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Cousans F, Patterson F, Edwards H, Walker K, McLachlan JC, Good D. Evaluating the complementary roles of an SJT and academic assessment for entry into clinical practice. Adv Health Sci Educ Theory Pract 2017; 22:401-413. [PMID: 28181019 DOI: 10.1007/s10459-017-9755-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 01/12/2017] [Indexed: 06/06/2023]
Abstract
Although there is extensive evidence confirming the predictive validity of situational judgement tests (SJTs) in medical education, there remains a shortage of evidence for their predictive validity for performance of postgraduate trainees in their first role in clinical practice. Moreover, to date few researchers have empirically examined the complementary roles of academic and non-academic selection methods in predicting in-role performance. This is an important area of enquiry as despite it being common practice to use both types of methods within a selection system, there is currently no evidence that this approach translates into increased predictive validity of the selection system as a whole, over that achieved by the use of a single selection method. In this preliminary study, the majority of the range of scores achieved by successful applicants to the UK Foundation Programme provided a unique opportunity to address both of these areas of enquiry. Sampling targeted high (>80th percentile) and low (<20th percentile) scorers on the SJT. Supervisors rated 391 trainees' in-role performance, and incidence of remedial action was collected. SJT and academic performance scores correlated with supervisor ratings (r = .31 and .28, respectively). The relationship was stronger between the SJT and in-role performance for the low scoring group (r = .33, high scoring group r = .11), and between academic performance and in-role performance for the high scoring group (r = .29, low scoring group r = .11). Trainees with low SJT scores were almost five times more likely to receive remedial action. Results indicate that an SJT for entry into trainee physicians' first role in clinical practice has good predictive validity of supervisor-rated performance and incidence of remedial action. In addition, an SJT and a measure of academic performance appeared to be complementary to each other. These initial findings suggest that SJTs may be more predictive at the lower end of a scoring distribution, and academic attainment more predictive at the higher end.
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Affiliation(s)
- Fran Cousans
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK.
- Occupational Psychology, Department of Neuroscience, Psychology and Behaviour, University of Leicester, Leicester, LE1 7RH, UK.
| | - Fiona Patterson
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
- Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Helena Edwards
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
| | - Kim Walker
- Scotland Foundation School Director, NHS Education for Scotland, Forest Grove House, Foresterhill Road, Aberdeen, AB25 2ZP, Scotland, UK
- UK Foundation Programme Office, St Chad's Court, 213 Hagley Road, Edgbaston, Birmingham, B16 9RG, UK
| | | | - David Good
- Department of Psychology, University of Cambridge, Kings College, Downing Street, Cambridge, CB2 3EB, UK
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Cousans F, Patterson F, Edwards H, Walker K, McLachlan JC, Good D. Erratum to: Evaluating the complementary roles of an SJT and academic assessment for entry into clinical practice. Adv Health Sci Educ Theory Pract 2017; 22:415-416. [PMID: 28255835 DOI: 10.1007/s10459-017-9767-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Affiliation(s)
- Fran Cousans
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK.
- Occupational Psychology, Department of Neuroscience, Psychology and Behaviour, University of Leicester, Leicester, LE1 7RH, UK.
| | - Fiona Patterson
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
- Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK
| | - Helena Edwards
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
| | - Kim Walker
- Scotland Foundation School Director, NHS Education for Scotland, Forest Grove House, Foresterhill Road, Aberdeen, AB25 2ZP, Scotland, UK
- UK Foundation Programme Office, St Chad's Court, 213 Hagley Road, Edgbaston, Birmingham, B16 9RG, UK
| | | | - David Good
- Department of Psychology, University of Cambridge, Kings College, Downing Street, Cambridge, CB2 3EB, UK
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Petty-Saphon K, Walker KA, Patterson F, Ashworth V, Edwards H. Situational judgment tests reliably measure professional attributes important for clinical practice. Adv Med Educ Pract 2016; 8:21-23. [PMID: 28096705 PMCID: PMC5214898 DOI: 10.2147/amep.s110353] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Over the course of more than 40 years, international research has consistently shown situational judgment tests (SJTs) to be a reliable and valid selection method for assessing a range of professional attributes. However, SJTs still represent a relatively new selection method within the medical profession, and as such it is to be expected that applicant reactions will vary. In this Expert Opinion piece, we respond to Najim et al's article "The situational judgement test: a student's worst nightmare" by highlighting three key clarifications. We outline that 1) the UK Foundation Programme's SJT deliberately measures only a subset (five) of the nine professional attributes important for the role of Foundation Trainee doctor, 2) these attributes are measured in addition to academic attainment, and 3) the SJT represents a cost-effective approach to selection rather than attempting to interview approximately 8,000 candidates each year, which would be logistically impossible. We present these points to inform future research and encourage debate, and conclude that the SJT is an appropriate and fair measurement method to be used as one part of selection to the UK Foundation Programme.
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Affiliation(s)
| | - Kim A Walker
- United Kingdom Foundation Programme Office, Birmingham, UK
| | - Fiona Patterson
- Department of Psychology, University of Cambridge, Cambridge, UK
- Work Psychology Group, Derby, UK
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Patterson F, Prescott-Clements L, Zibarras L, Edwards H, Kerrin M, Cousans F. Recruiting for values in healthcare: a preliminary review of the evidence. Adv Health Sci Educ Theory Pract 2016; 21:859-881. [PMID: 25616718 DOI: 10.1007/s10459-014-9579-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 12/16/2014] [Indexed: 06/04/2023]
Abstract
Displaying compassion, benevolence and respect, and preserving the dignity of patients are important for any healthcare professional to ensure the provision of high quality care and patient outcomes. This paper presents a structured search and thematic review of the research evidence relating to values-based recruitment within healthcare. Several different databases, journals and government reports were searched to retrieve studies relating to values-based recruitment published between 1998 and 2013, both in healthcare settings and other occupational contexts. There is limited published research related to values-based recruitment directly, so the available theoretical context of values is explored alongside an analysis of the impact of value congruence. The implications for the design of selection methods to measure values is explored beyond the scope of the initial literature search. Research suggests some selection methods may be appropriate for values-based recruitment, such as situational judgment tests (SJTs), structured interviews and multiple-mini interviews (MMIs). Personality tests were also identified as having the potential to compliment other methods (e.g. structured interviews), as part of a values-based recruitment agenda. Methods including personal statements, references and unstructured/'traditional' interviews were identified as inappropriate for values-based recruitment. Practical implications are discussed in the context of values-based recruitment in the healthcare context. Theoretical implications of our findings imply that prosocial implicit trait policies, which could be measured by selection tools such as SJTs and MMIs, may be linked to individuals' values via the behaviours individuals consider to be effective in given situations. Further research is required to state this conclusively however, and methods for values-based recruitment represent an exciting and relatively unchartered territory for further research.
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Affiliation(s)
- Fiona Patterson
- University of Cambridge, Cambridge, UK.
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK.
| | | | | | - Helena Edwards
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
| | - Maire Kerrin
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
| | - Fran Cousans
- Work Psychology Group, 27 Brunel Parkway, Pride Park, Derby, DE24 8HR, UK
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Edwards H, Tan QY, Bhanji A. MP529REVIEW OF BLOOD PRESSURE CONTROL AND HOME BLOOD PRESSURE MONITORING IN OUR HAEMODIALYSIS COHORT. Nephrol Dial Transplant 2016. [DOI: 10.1093/ndt/gfw196.08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Edwards H, Battrum G, Watts S, MacKenzie G, Le Ball K. 19 * THE INTRODUCTION OF GENERAL PRACTITIONERS (GP), CARE HOME SUPPORT TEAM (CHST) AND ANTICIPATORY MANAGEMENT PLANS (AMP) IN AN ATTEMPT TO REDUCE HOSPITAL ATTENDANCES AND ADMISSIONS FROM CARE HOMES. Age Ageing 2015. [DOI: 10.1093/ageing/afv029.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract
OBJECTIVE Exercise has the potential to offer a range of health benefits in addition to improving healing outcomes for people with venous leg ulcers (VLUs). However, despite evidence-based recommendations, most of these individuals do not engage in regular exercise. The aim of this study was to gain an understanding of the perspectives of adults with VLUs, in relation to exercise. METHOD This was a qualitative design using semi-structured interviews and discussions. Ten participants with venous leg ulceration volunteered to participate. Recruitment was through a specialist wound clinic. Verbatim data were collected by an experienced moderator using a semi-structured guide. Data saturation was reached after three group discussions and two interviews. A random selection of transcripts was sent back to the participants for verification. Thematic content analysis was used to determine major themes and categories. Two transcripts were independently analysed, categories and themes independently developed, cross checked and found comparable. Remaining transcripts were analysed using the developed categories and codes. RESULTS Regardless of their current exercise routine, participants reported exercising before venous leg ulceration and expressed an interest in either becoming active or maintaining an active lifestyle. Overall, four themes emerged from the findings: i) participant understanding of the relationship between chronic venous insufficiency and exercise patterns; ii) fear of harm impacts upon positive beliefs and attitudes to exercise; iii) perceived factors limit exercise; and iv) structured management facilitates exercise. CONCLUSION The value of exercise in improving outcomes in VLUs lies in its capacity to promote venous return and reduce the risk of secondary conditions in this population. Despite motivation and interest in being exercise active, people with VLUs report many obstacles. Further exploration of mechanisms that assist this patient population and promote understanding about management of barriers, coupled with promotion of enabling factors, is vital for improving their exercise participation.
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Affiliation(s)
- J O'Brien
- MApplSci (Research) PhD Candidate;, Queensland University of Technology 60 Musk Ave Kelvin Grove 4559 Australia
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Edwards H, Bishop LJ. P217 Does chemotherapy increase the risk of developing pleural infections in patients with indwelling pleural catheters?: Abstract P217 Table 1. Thorax 2013. [DOI: 10.1136/thoraxjnl-2013-204457.369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Manser M, Granlund M, Edwards H, Saez A, Petersen E, Evengard B, Chiodini P. Detection of Cryptosporidium and Giardia in clinical laboratories in Europe--a comparative study. Clin Microbiol Infect 2013; 20:O65-71. [PMID: 24033667 DOI: 10.1111/1469-0691.12297] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 06/03/2013] [Accepted: 06/05/2013] [Indexed: 11/26/2022]
Abstract
To determine the routine diagnostic methods used and compare the performance in detection of oocysts of Cryptosporidium species and cysts of Giardia intestinalis in faecal samples by European specialist parasitology laboratories and European clinical laboratories. Two sets of seven formalin-preserved faecal samples, one containing cysts of Giardia intestinalis and the other, containing oocysts of Cryptosporidium, were sent to 18 laboratories. Participants were asked to examine the specimens using their routine protocol for detecting these parasites and state the method(s) used. Eighteen laboratories answered the questionnaire. For detection of Giardia, 16 of them used sedimentation/concentration followed by light microscopy. Using this technique the lower limit of detection of Giardia was 17.2 cysts/mL of faeces in the best performing laboratories. Only three of 16 laboratories used fluorescent-conjugated antibody-based microscopy. For detection of Cryptosporidium acid-fast staining was used by 14 of the 17 laboratories that examined the samples. With this technique the lower limit of detection was 976 oocysts/mL of faeces. Fluorescent-conjugated antibody-based microscopy was used by only five of the 17 laboratories. There was variation in the lower limit of detection of cysts of Giardia and oocysts of Cryptosporidium between laboratories using the same basic microscopic methods. Fluorescent-conjugated antibody-based microscopy was not superior to light microscopy under the conditions of this study. There is a need for a larger-scale multi-site comparison of the methods used for the diagnosis of these parasites and the development of a Europe-wide laboratory protocol based upon its findings.
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Affiliation(s)
- M Manser
- Department of Clinical Parasitology, Hospital for Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
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Schroeder J, Dugdale HL, Radersma R, Hinsch M, Buehler DM, Saul J, Porter L, Liker A, De Cauwer I, Johnson PJ, Santure AW, Griffin AS, Bolund E, Ross L, Webb TJ, Feulner PGD, Winney I, Szulkin M, Komdeur J, Versteegh MA, Hemelrijk CK, Svensson EI, Edwards H, Karlsson M, West SA, Barrett ELB, Richardson DS, van den Brink V, Wimpenny JH, Ellwood SA, Rees M, Matson KD, Charmantier A, Dos Remedios N, Schneider NA, Teplitsky C, Laurance WF, Butlin RK, Horrocks NPC. Fewer invited talks by women in evolutionary biology symposia. J Evol Biol 2013; 26:2063-9. [PMID: 23786459 PMCID: PMC4293461 DOI: 10.1111/jeb.12198] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Accepted: 05/10/2013] [Indexed: 12/01/2022]
Abstract
Lower visibility of female scientists, compared to male scientists, is a potential reason for the under-representation of women among senior academic ranks. Visibility in the scientific community stems partly from presenting research as an invited speaker at organized meetings. We analysed the sex ratio of presenters at the European Society for Evolutionary Biology (ESEB) Congress 2011, where all abstract submissions were accepted for presentation. Women were under-represented among invited speakers at symposia (15% women) compared to all presenters (46%), regular oral presenters (41%) and plenary speakers (25%). At the ESEB congresses in 2001–2011, 9–23% of invited speakers were women. This under-representation of women is partly attributable to a larger proportion of women, than men, declining invitations: in 2011, 50% of women declined an invitation to speak compared to 26% of men. We expect invited speakers to be scientists from top ranked institutions or authors of recent papers in high-impact journals. Considering all invited speakers (including declined invitations), 23% were women. This was lower than the baseline sex ratios of early-mid career stage scientists, but was similar to senior scientists and authors that have published in high-impact journals. High-quality science by women therefore has low exposure at international meetings, which will constrain Evolutionary Biology from reaching its full potential. We wish to highlight the wider implications of turning down invitations to speak, and encourage conference organizers to implement steps to increase acceptance rates of invited talks.
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Affiliation(s)
- J Schroeder
- Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
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Edwards H, Wikkelsø A, Afshari A, Langhoff-Roos J, Møller A, Stensballe J. P-073 Multitransfusion in relation to postpartum haemorrhage. Thromb Res 2013. [DOI: 10.1016/s0049-3848(13)70119-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Campbell S, Edwards H, Sudlow C. 076 Family history of disease is more accurate in women than men: a potential explanation for apparent gender differences in heritability of stroke. J Neurol Neurosurg Psychiatry 2012. [DOI: 10.1136/jnnp-2011-301993.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Hargreaves K, Cameron M, Edwards H, Gray R, Deane K. Is the use of symphysis-fundal height measurement and ultrasound examination effective in detecting small or large fetuses? J OBSTET GYNAECOL 2011; 31:380-3. [PMID: 21627417 DOI: 10.3109/01443615.2011.567343] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We investigated the accuracy of using symphysis pubis-fundal height measurement and ultrasonically derived estimation of fetal weight for identifying small-for-gestational-age (SGA) and large-for-gestational-age (LGA) fetuses. A retrospective cohort study was performed using computerised records of all non-diabetic women referred for an ultrasound growth scan (US) with clinically suspected SGA or LGA singleton fetuses from 35 weeks' gestation between October 2008 and March 2009 (n = 185). Birth weight data were also collected for all births over the study period (n = 3200). One-third (34%) of ultrasound estimated fetal weights were inaccurate by >10%. However, an inaccurate ultrasound estimation did not significantly increase the likelihood of spontaneous or induced onset of labour or delivery by caesarean section. Most (79%) growth scans were performed on well-grown fetuses. The majority (80%) of SGA and LGA babies in our cohort were not identified by clinicians during routine antenatal care. From 3,200 live births, there were a total of 59 infants weighing <2,500 g or >5,000 g. Of these, only 12 had been referred for an ultrasound growth scan, indicating that abdominal palpation and fundal height measurement has a 20% sensitivity in detecting SGA or LGA fetuses. Of the 12, four were detected using ultrasound, indicating a 33% detection rate. Although ultrasound has a slightly higher sensitivity, neither clinical examination using fundal height measurements nor 3rd trimester ultrasound examinations are effective at detecting SGA or LGA fetuses.
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Affiliation(s)
- K Hargreaves
- Norfolk and Norwich University Hospital, Norwich, UK.
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Ruan J, Johnson AS, Lumpkin AH, Thurman-Keup R, Edwards H, Fliller RP, Koeth TW, Sun YE. First observation of the exchange of transverse and longitudinal emittances. Phys Rev Lett 2011; 106:244801. [PMID: 21770575 DOI: 10.1103/physrevlett.106.244801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Indexed: 05/31/2023]
Abstract
An experimental program to demonstrate a novel phase-space manipulation in which the horizontal and longitudinal emittances of a particle beam are exchanged has been completed at the Fermilab A0 Photoinjector. A new beam line, consisting of a TM(110) deflecting mode cavity flanked by two horizontally dispersive doglegs has been installed. We report on the first direct observation of transverse and longitudinal emittance exchange.
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Affiliation(s)
- J Ruan
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
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Edwards H, Clayton EB. FRACTURES OF THE LOWER END OF THE RADIUS IN ADULTS: COLLES'S FRACTURE AND BACKFIRE FRACTURE. Br Med J 2011; 1:61-5. [PMID: 20774391 DOI: 10.1136/bmj.1.3549.61] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Da Silva VMF, Fettuccia D, Rodrigues ES, Edwards H, Moreno IB, Moura JF, Wedekin LL, Bazzalo M, Emin-Lima NR, Carmo NAS, Siciliano S, Utreras B. V. Report of the Working Group on Distribution, Habitat Characteristics and Preferences, and Group Size. ACTA ACUST UNITED AC 2010. [DOI: 10.5597/lajam00151] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Scott MC, Rosen ME, Hamer SA, Baker E, Edwards H, Crowder C, Tsao JI, Hickling GJ. High-prevalence Borrelia miyamotoi infection among [corrected] wild turkeys (Meleagris gallopavo) in Tennessee. J Med Entomol 2010; 47:1238-1242. [PMID: 21175079 DOI: 10.1603/me10075] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
During spring and fall 2009, 60 wild turkeys (Meleagris gallopavo) harvested by Tennessee hunters were surveyed for Borrelia spp. by sampling their blood, tissue, and attached ticks. In both seasons, 70% of turkeys were infested with juvenile Amblyomma americanum; one spring turkey hosted an adult female Ixodes brunneus. Polymerase chain reaction assays followed by DNA sequencing indicated that 58% of the turkeys were positive for the spirochete Borrelia miyamotoi, with tissue testing positive more frequently than blood (P = 0.015). Sequencing of the 16S-23S rRNA intergenic spacer indicated > or = 99% similarity to previously published sequences of the North American strain of this spirochete. Positive turkeys were present in both seasons and from all seven middle Tennessee counties sampled. No ticks from the turkeys tested positive for any Borrelia spp. This is the first report of B. miyamotoi in birds; the transmission pathways and epidemiological significance of this high-prevalence spirochetal infection remain uncertain.
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Affiliation(s)
- M C Scott
- Center for Wildlife Health, University of Tennessee, Knoxville, TN 37996, USA.
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Shuter P, Edwards H, Abbey J. Exploring the biggest challenges for family caregivers of people with severe dementia. Alzheimers Dement 2009. [DOI: 10.1016/j.jalz.2009.05.280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- P. Shuter
- Queensland University of TechnologyKelvin GroveQLDAustralia
| | - H. Edwards
- Queensland University of TechnologyKelvin GroveQLDAustralia
| | - J. Abbey
- Queensland University of TechnologyKelvin GroveQLDAustralia
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Shuter P, Edwards H, Beattie E, Sacre S. Protective and risk factors for health outcomes in family caregivers of people with dementia following bereavement. Alzheimers Dement 2009. [DOI: 10.1016/j.jalz.2009.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- P. Shuter
- Queensland University of TechnologyKelvin GroveQLDAustralia
| | - H. Edwards
- Queensland University of TechnologyKelvin GroveQLDAustralia
| | - E. Beattie
- Queensland University of TechnologyKelvin GroveQLDAustralia
| | - S. Sacre
- Queensland University of TechnologyKelvin GroveQLDAustralia
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Walsh A, Edwards H, Fraser J. Attitudes and subjective norms: determinants of parents' intentions to reduce childhood fever with medications. Health Educ Res 2009; 24:531-545. [PMID: 18974070 DOI: 10.1093/her/cyn055] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Fever is a natural protective response of the host organism. Mild to moderate fevers, up to 40.0 degrees C, have immunological benefits and do not need to be reduced. However, parents regularly reduce fever with medications to prevent perceived harmful outcomes. This study identified the determinants of parents' intentions to reduce childhood fever with medications. A community-based cross-sectional survey was conducted with 391 Australian parents of children aged between 6 months and 5 years. Recruitment was through advertising, face-to-face and snowball methods. The survey targeted constructs of the Theory of Planned Behavior: attitudes, subjective norms, perceived behavioral control, intentions and previously identified background factors. Structural equation modeling identified 69% of the variance in intentions. The strongest influences were from non-scientifically based attitudes (phobic) (beta=0.55) and subjective norms (husband/partner and doctors) (beta=0.36). Attitudes (beta=0.69) and subjective norms (beta=0.52) were strongly determined by child medication behavior (whether the child took medications easily when febrile) which had a total effect on intentions of beta=0.66. Perceived control, education and number of children had minimal influence on intentions. There is an urgent need for (i) the education of both parents in the benefits of fever and (ii) for doctors to consistently provide parents with evidence-based information.
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Affiliation(s)
- A Walsh
- School of Nursing, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane 4059, Australia.
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Utzinger J, Botero-Kleiven S, Castelli F, Chiodini PL, Edwards H, Köhler N, Gulletta M, Lebbad M, Manser M, Matthys B, N'Goran EK, Tannich E, Vounatsou P, Marti H. Microscopic diagnosis of sodium acetate-acetic acid-formalin-fixed stool samples for helminths and intestinal protozoa: a comparison among European reference laboratories. Clin Microbiol Infect 2009; 16:267-73. [PMID: 19456836 DOI: 10.1111/j.1469-0691.2009.02782.x] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The present study aimed to compare the diagnostic performance of different European reference laboratories in diagnosing helminths and intestinal protozoa, using an ether-concentration method applied to sodium acetate-acetic acid-formalin (SAF)-preserved faecal samples. In total, 102 stool specimens were analysed during a cross-sectional parasitological survey in urban farming communities in Côte d'Ivoire. Five SAF-preserved faecal samples were prepared from each specimen and forwarded to the participating reference laboratories, processed and examined under a microscope adhering to a standard operating procedure (SOP). Schistosoma mansoni (cumulative prevalence: 51.0%) and hookworm (cumulative prevalence: 39.2%) were the predominant helminths. There was excellent agreement (kappa > 0.8; p < 0.001) among the reference laboratories for the diagnosis of S. mansoni, hookworm, Trichuris trichiura and Ascaris lumbricoides. Moderate agreement (kappa = 0.54) was found for Hymenolepis nana, and lesser agreement was observed for other, less prevalent helminths. The predominant intestinal protozoa were Entamoeba coli (median prevalence: 67.6%), Blastocystis hominis (median prevalence: 55.9%) and Entamoeba histolytica/Entamoeba dispar (median prevalence: 47.1%). Substantial agreement among reference laboratories was found for E. coli (kappa = 0.69), but only fair or moderate agreement was found for other Entamoeba species, Giardia intestinalis and Chilomastix mesnili. There was only poor agreement for B. hominis, Isospora belli and Trichomonas intestinalis. In conclusion, although common helminths were reliably diagnosed by European reference laboratories, there was only moderate agreement between centres for pathogenic intestinal protozoa. Continued external quality assessment and the establishment of a formal network of reference laboratories is necessary to further enhance both accuracy and uniformity in parasite diagnosis.
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Affiliation(s)
- J Utzinger
- Department of Public Health and Epidemiology, Swiss Tropical Institute, Basel, Switzerland.
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Skelton H, Edwards H, Smith K. Cutaneous Hyalohyphomycosis Secondary to Paecilomyces Species Treated with Voriconazole in an Immune Compentent Host. J Cutan Pathol 2008. [DOI: 10.1111/j.0303-6987.2005.320gw.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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LaFiura KM, Edwards H, Taub JW, Matherly LH, Fontana JA, Mohamed AN, Ravindranath Y, Ge Y. Identification and characterization of novel AML1-ETO fusion transcripts in pediatric t(8;21) acute myeloid leukemia: a report from the Children's Oncology Group. Oncogene 2008; 27:4933-42. [PMID: 18469864 DOI: 10.1038/onc.2008.134] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
t(8;21)(q22;q22) results in the AML1-ETO (A1E) fusion gene and is a common cytogenetic abnormality in acute myeloid leukemia (AML). Although insertions at the breakpoint region of the A1E fusion transcripts have been reported, additional structural alterations are largely uncharacterized. By RT-PCR amplifications and DNA sequencing, numerous in-frame and out-of-frame AML1b-ETO and AML1c-ETO transcripts were identified in 13 pediatric t(8;21) AMLs, likely resulting from alternate splicing, internal deletions and/or breakpoint region insertions involving both the AML1 (RUNX1) and ETO regions. The in-frame A1E fusion transcript forms represented minor forms. These structure alterations were found in AML1c-ETO but not AML1b-ETO transcripts in two adult t(8;21) AMLs. Although no analogous alterations were detected in native AML1b transcripts, identical alterations in native ETO transcripts were identified. When transfected into HeLa cells, only AML1b, and not the in-frame A1E forms, transactivated the GM-CSF promoter. In co-transfection experiments, the effects of A1E proteins on GM-CSF transactivation by AML1b ranged from repressive to activating. Our results demonstrate a remarkable and unprecedented heterogeneity in A1E fusion transcripts in t(8;21) myeloblasts and suggest that synthesis of alternate A1E transcript and protein forms can significantly impact the regulation of AML1 responsive genes.
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Affiliation(s)
- K M LaFiura
- Developmental Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI 48201, USA
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Edwards H. Study of the reactions of surface hydroxyl groups of a chrysotile asbestos with organic silanes by means of infra-red spectroscopy. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/jctb.5010200303] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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