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Berman DM, Lee AY, Lesurf R, Patel PG, Ebrahimizadeh W, Bayani J, Lee LA, Boufaied N, Selvarajah S, Jamaspishvili T, Guérard KP, Dion D, Kawashima A, Clarke GM, How N, Jackson CL, Scarlata E, Siddiqui K, Okello JBA, Aprikian AG, Moussa M, Finelli A, Chin J, Brimo F, Bauman G, Loblaw A, Venkateswaran V, Buttyan R, Chevalier S, Thomson A, Park PC, Siemens DR, Lapointe J, Boutros PC, Bartlett JMS. Multimodal Biomarkers That Predict the Presence of Gleason Pattern 4: Potential Impact for Active Surveillance. J Urol 2023; 210:257-271. [PMID: 37126232 DOI: 10.1097/ju.0000000000003507] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 04/20/2023] [Indexed: 05/02/2023]
Abstract
PURPOSE Latent grade group ≥2 prostate cancer can impact the performance of active surveillance protocols. To date, molecular biomarkers for active surveillance have relied solely on RNA or protein. We trained and independently validated multimodal (mRNA abundance, DNA methylation, and/or DNA copy number) biomarkers that more accurately separate grade group 1 from grade group ≥2 cancers. MATERIALS AND METHODS Low- and intermediate-risk prostate cancer patients were assigned to training (n=333) and validation (n=202) cohorts. We profiled the abundance of 342 mRNAs, 100 DNA copy number alteration loci, and 14 hypermethylation sites at 2 locations per tumor. Using the training cohort with cross-validation, we evaluated methods for training classifiers of pathological grade group ≥2 in centrally reviewed radical prostatectomies. We trained 2 distinct classifiers, PRONTO-e and PRONTO-m, and validated them in an independent radical prostatectomy cohort. RESULTS PRONTO-e comprises 353 mRNA and copy number alteration features. PRONTO-m includes 94 clinical, mRNAs, copy number alterations, and methylation features at 14 and 12 loci, respectively. In independent validation, PRONTO-e and PRONTO-m predicted grade group ≥2 with respective true-positive rates of 0.81 and 0.76, and false-positive rates of 0.43 and 0.26. Both classifiers were resistant to sampling error and identified more upgrading cases than a well-validated presurgical risk calculator, CAPRA (Cancer of the Prostate Risk Assessment; P < .001). CONCLUSIONS Two grade group classifiers with superior accuracy were developed by incorporating RNA and DNA features and validated in an independent cohort. Upon further validation in biopsy samples, classifiers with these performance characteristics could refine selection of men for active surveillance, extending their treatment-free survival and intervals between surveillance.
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Affiliation(s)
- D M Berman
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - A Y Lee
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - R Lesurf
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Now with Hospital for Sick Children, Toronto, Ontario, Canada
| | - P G Patel
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with Hospital for Sick Children, Toronto, Ontario, Canada
| | - W Ebrahimizadeh
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Now with IMV Inc, Dartmouth, Nova Scotia, Canada
| | - J Bayani
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, Ontario, Canada
| | - L A Lee
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - N Boufaied
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - S Selvarajah
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with University Health Network, Toronto, Ontario, Canada
| | - T Jamaspishvili
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - K-P Guérard
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - D Dion
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - A Kawashima
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with Osaka University, Osaka, Japan
| | - G M Clarke
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - N How
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Hamilton Health Sciences, Hamilton, Ontario, Canada
| | - C L Jackson
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - E Scarlata
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - K Siddiqui
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- Now with Sultan Qaboos University Hospital, Seeb, Oman
| | - J B A Okello
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
| | - A G Aprikian
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - M Moussa
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada
| | - A Finelli
- Princess Margaret Cancer Centre. Toronto, Ontario, Canada
- Departments of Surgery and Oncology, University of Toronto, Toronto, Ontario, Canada
| | - J Chin
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada
| | - F Brimo
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Department of Pathology, McGill University, Montreal, Quebec, Canada
| | - G Bauman
- Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada
| | - A Loblaw
- Department of Radiation Oncology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
- Departments of Radiation Oncology and Health Policy Management and Evaluation, University of Toronto, Toronto
| | - V Venkateswaran
- Departments of Surgery and Oncology, University of Toronto, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
| | - R Buttyan
- Vancouver Prostate Centre, Vancouver, British Columbia, Canada
- Departments of Experimental Medicine and Interdisciplinary Oncology, Vancouver, British Columbia, Canada
| | - S Chevalier
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - A Thomson
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Now with College of Science and Engineering Biology, University of Edinburgh, Edinburgh, United Kingdom
| | - P C Park
- Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario, Canada
- Now with Department of Pathology, Shared Health, Winnipeg, Manitoba, Canada
| | - D R Siemens
- Queen's University Cancer Research Institute, Kingston, Ontario, Canada
- Departments of Urology, Oncology and Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - J Lapointe
- Department of Surgery, McGill University and the Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - P C Boutros
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
- Now with University of California, Los Angeles, Los Angeles, California, United States
| | - J M S Bartlett
- Ontario Institute for Cancer Research, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, Ontario, Canada
- Edinburgh Cancer Research Centre, University of Edinburgh, Edinburgh, United Kingdom
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Hall P, Howell S, Venkitaraman R, Thomson A, Raja F, King J, Michie C, Khan S, Brunt A, Gahir D, McAdam K, Cooner J, Kane N. P084 Socioeconomic Outcomes With Ribociclib in Patients With HR+, HER2– Advanced Breast Cancer (ABC) in UK Real-world Settings. Breast 2023. [DOI: 10.1016/s0960-9776(23)00201-1] [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: 03/18/2023] Open
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Alberto M, Thomson A, Jack G. Minimally invasive pyeloplasty in adults: A systematic review on stent vs. stentless technique. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01047-3] [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: 02/12/2023]
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Lim KH, Dorris C, Thomson A, Ardis M, Devlin B, Gray G. 715 Implementation of Enhanced Recovery After Surgery (ERAS) in Total Laryngectomies. Br J Surg 2022. [DOI: 10.1093/bjs/znac269.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Abstract
Aim
The Enhanced Recovery After Surgery (ERAS) protocol for total laryngectomies was first implemented in our tertiary head and neck centre from November 2019. It includes pre-operative carbohydrate loading and an early swallow test which facilitates recommencement of oral intake to improve outcomes. Protocol adherence rate and patient outcomes were measured to determine the effectiveness and benefits of ERAS in laryngectomy patients.
Method
22 total laryngectomy patients from November 2019 to September 2021 were enrolled onto the ERAS protocol, 18 primary and 3 salvage cases. An analysis of the respective patient cohorts was performed to determine adherence to the ERAS protocol and outcomes such as complications and length of inpatient stay were measured.
Results
19 patients (86%) received pre-operative carbohydrate loading successfully, while 3 patients were contraindicated due to background of diabetes. Early swallow test was performed in 59% of patients. Potential reasons for delay were stoma dehiscence or clinical suspicion of neo-pharyngeal leak. 59% of primary cases were deemed medically fit for discharge within the target timeframe of 12–14 days whereas no target was set for salvage cases due to expected poor healing. Main complication in primary cases was neo-pharyngeal leak followed by stoma dehiscence with 28% and 11% respectively.
Conclusion
Limitations of our study include small sample size due to the COVID-19 pandemic. Despite its infancy, the ERAS protocol has achieved good outcomes in early recommencement of oral intake post-laryngectomy and encouraging early safe discharge from hospital. Future plans include establishment of Prehab Clinic and application of ERAS to neck dissection patients.
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Affiliation(s)
- KH Lim
- Royal Victoria Hospital , Belfast , United Kingdom
| | - C Dorris
- Royal Victoria Hospital , Belfast , United Kingdom
| | - A Thomson
- Royal Victoria Hospital , Belfast , United Kingdom
| | - M Ardis
- Royal Victoria Hospital , Belfast , United Kingdom
| | - B Devlin
- Royal Victoria Hospital , Belfast , United Kingdom
| | - G Gray
- Royal Victoria Hospital , Belfast , United Kingdom
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Morgan E, Thomson A, Kolmajer K, Murch S, Upton J, Williams T. An Examination of Inpatient Care of Heart Failure Patients: A Nursing-Led Review. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.06.060] [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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Katz T, Oh R, Thomson A, Widger J. ePS4.10 The principles of the Toyota Production System (TPS) applied to an inpatient food service model can improve nutritional outcomes for children with cystic fibrosis. J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30319-2] [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: 11/25/2022]
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Stockler M, Martin A, Dhillon H, Davis I, Chi K, Chowdhury S, Horvath L, Lawrence N, Marx G, Caffrey JM, McDermott R, North S, Parnis F, Pook D, Reaume M, Sandhu S, Tan T, Thomson A, Zielinski R, Sweeney C. Health-related quality of life (HRQL) in a randomized phase III trial of enzalutamide with standard first-line therapy for metastatic, hormone-sensitive prostate cancer (mHSPC): ENZAMET (ANZUP 1304), an ANZUP-led, international, co-operative group trial. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz394.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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10
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Toor IS, Rückerl D, Mair I, Thomson A, Rossi AG, Newby DE, Allen JE, Gray GA. Enhanced monocyte recruitment and delayed alternative macrophage polarization accompanies impaired repair following myocardial infarction in C57BL/6 compared to BALB/c mice. Clin Exp Immunol 2019; 198:83-93. [PMID: 31119724 PMCID: PMC6718279 DOI: 10.1111/cei.13330] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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] [Accepted: 05/15/2019] [Indexed: 12/24/2022] Open
Abstract
Activation of the innate immune response following myocardial infarction (MI) is essential for infarct repair. Preclinical models of MI commonly use C57BL/6 mice, which have a type 1‐dominant immune response, whereas other mouse strains such as BALB/c mice have a type 2‐dominant immune response. We compared C57BL/6 and BALB/c mice to investigate whether predisposition towards a proinflammatory phenotype influences the dynamics of the innate immune response to MI and associated infarct healing and the risk of cardiac rupture. MI was induced by permanent coronary artery ligation in 12–15‐week‐old male wild‐type BALB/c and C57BL/6 mice. Prior to MI, C57BL/6 mice had a lower proportion of CD206+ anti‐inflammatory macrophages in the heart and an expanded blood pool of proinflammatory Ly6Chigh monocytes in comparison to BALB/c mice. The systemic inflammatory response in C57BL/6 mice following MI was more pronounced, with greater peripheral blood Ly6Chigh monocytosis, splenic Ly6Chigh monocyte mobilization and myeloid cell infiltration of pericardial adipose tissue. This led to an increased and prolonged macrophage accumulation, as well as delayed transition towards anti‐inflammatory macrophage polarization in the infarct zone and surrounding tissues of C57BL/6 mice. These findings accompanied a higher rate of mortality due to cardiac rupture in C57BL/6 mice compared with BALB/c mice. We conclude that lower post‐MI survival of C57BL/6 mice over BALB/c mice is mediated in part by a more pronounced and prolonged inflammatory response. Outcomes in BALB/c mice highlight the therapeutic potential of modulating resolution of the innate immune response following MI for the benefit of successful infarct healing.
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Affiliation(s)
- I S Toor
- BHF/University Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - D Rückerl
- Faculty of Biology, Medicine and Health, School of Biological Sciences, University of Manchester, Edinburgh, UK
| | - I Mair
- MRC Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - A Thomson
- BHF/University Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - A G Rossi
- MRC Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - D E Newby
- BHF/University Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - J E Allen
- Faculty of Biology, Medicine and Health, School of Biological Sciences, University of Manchester, Edinburgh, UK
| | - G A Gray
- BHF/University Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
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Thomson A, Mumtaz S, Siddiqi J. Trismus with unilateral facial and neck swelling: an unusual case of Sjogren's Syndrome. Int J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.ijom.2019.03.748] [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: 10/26/2022]
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12
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Thomson A, Parrish J, Liggins S. Does the knowledge equate to the competence: a case of an emergency admission following post operative complications after same day implant placement. Int J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.ijom.2019.03.175] [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: 11/16/2022]
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13
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Thomson A, Parrish J, Polina H, Siddiqi J. Diagnosis of acute myeloid Leukaemia from an emergency referral of facial swelling of suspected dental abscess. Int J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.ijom.2019.03.319] [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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Thomson A, Tielens S, Schuhmann T, De Graaf T, Kenis G, Rutten B, Sack A. The effect of transcranial magnetic stimulation on living human neurons. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Ho SF, Thomson A, Kerr A. 52FEEDBACK INTEGRATED REHABILITATION FOR SIT-TO-STAND TRAINING (FIRST): A PILOT RANDOMISED CONTROLLED TRIAL. Age Ageing 2018. [DOI: 10.1093/ageing/afy127.01] [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)
- S F Ho
- Biomedical Engineering, The University of Strathclyde, Glasgow, Scotland, U.K
| | - A Thomson
- Biomedical Engineering, The University of Strathclyde, Glasgow, Scotland, U.K
| | - A Kerr
- Biomedical Engineering, The University of Strathclyde, Glasgow, Scotland, U.K
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Flores CJ, Quested B, Spigiel T, Thomson A, Saxon B. Junior doctors' perspectives on transfusion education in Australia. Vox Sang 2018; 113:441-448. [PMID: 29740847 DOI: 10.1111/vox.12654] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [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: 10/17/2017] [Revised: 03/19/2018] [Accepted: 03/27/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND Early postgraduate training is a critical period to develop skills and to influence future clinical practice. Little is known about Australian junior doctors' existing transfusion knowledge and its application in patient care. This study explored their transfusion practice education preferences, developed tools to assist their practice and assessed the usefulness of these tools. METHODS A design-based study was conducted in two phases from April 2016 to March 2017. Phase 1 involved focus group sessions in six hospitals. Transcripts of audio recordings were analysed using thematic analysis. Findings were considered when developing transfusion practice support tools. Phase 2 surveyed junior doctors' response to the tools provided during orientation in five hospitals. Participation was voluntary. RESULTS Fifty-two junior doctors participated in the focus groups. Their priority was to be able to practice safely, appropriately and confidently. Preferred format for transfusion learning included expert-led face-to-face education; printed tools, for example lanyard cards; and for one app that covers essential aspects of transfusion practice. Adverse events management and practical transfusion prescribing were topics of most importance. Thirty-nine survey respondents found the transfusion practice support tools useful and recommended their use to complement practice. CONCLUSION There is a need for improved education to ensure best transfusion practice and patient outcomes. Australian junior doctors want immediate, practical, reliable transfusion information from credible sources to support them in practicing safely and confidently. Their educational needs are driven by real-time patient management. Promotion of the available resources and tools provided by the blood sector is important.
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Affiliation(s)
- C J Flores
- Clinical Services and Research Division, Australian Red Cross Blood Service, Melbourne, VIC, Australia
| | - B Quested
- Clinical Services and Research Division, Australian Red Cross Blood Service, Adelaide, SA, Australia
| | - T Spigiel
- Clinical Services and Research Division, Australian Red Cross Blood Service, Adelaide, SA, Australia
| | - A Thomson
- Clinical Services and Research Division, Australian Red Cross Blood Service, Sydney, NSW, Australia
| | - B Saxon
- Clinical Services and Research Division, Australian Red Cross Blood Service, Adelaide, SA, Australia
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Knazovicky D, Helgeson E, Case B, Thomson A, Gruen M, Maixner W, Lascelles B. Replicate Effects and Test–Retest Reliability of Quantitative Sensory Threshold Testing in Dogs with and without Chronic Pain. Vet Comp Orthop Traumatol 2018. [DOI: 10.1055/s-0038-1660882] [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: 10/28/2022]
Affiliation(s)
- D. Knazovicky
- Comparative Pain Research and Education Centre, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
| | - E. Helgeson
- Department of Biostatistics, University of North Carolina, Chapel Hill, North Carolina, United States
| | - B. Case
- Comparative Pain Research and Education Centre, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
| | - A. Thomson
- Comparative Pain Research and Education Centre, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
| | - M. Gruen
- Comparative Pain Research and Education Centre, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
| | - W. Maixner
- Canine Cognition Center, Department of Evolutionary Anthropology, Duke University, Durham, North Carolina, United States
| | - B. Lascelles
- Comparative Pain Research and Education Centre, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States
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Dubuisson N, Paterson A, Turner B, Westcott M, Thomson A, Giovannoni G. Self-monitoring visual function via a smartphone application. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3559] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ezzelarab M, Raich-Regue D, Lu L, Zahorchak A, Perez-Gutierrez A, Humar A, Wijkstrom M, Minervini M, Wiseman R, Cooper D, Morelli A, Thomson A. Renal Allograft Survival in Nonhuman Primates Infused With Donor Antigen-Pulsed Autologous Regulatory Dendritic Cells. Am J Transplant 2017; 17:1476-1489. [PMID: 28009481 PMCID: PMC5444942 DOI: 10.1111/ajt.14182] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [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: 05/20/2016] [Revised: 11/30/2016] [Accepted: 12/15/2016] [Indexed: 01/25/2023]
Abstract
Systemic administration of autologous regulatory dendritic cells (DCreg; unpulsed or pulsed with donor antigen [Ag]), prolongs allograft survival and promotes transplant tolerance in rodents. Here, we demonstrate that nonhuman primate (NHP) monocyte-derived DCreg preloaded with cell membrane vesicles from allogeneic peripheral blood mononuclear cells induce T cell hyporesponsiveness to donor alloantigen (alloAg) in vitro. These donor alloAg-pulsed autologous DCreg (1.4-3.6 × 106 /kg) were administered intravenously, 1 day before MHC-mismatched renal transplantation to rhesus monkeys treated with costimulation blockade (cytotoxic T lymphocyte Ag 4 immunoglobulin [CTLA4] Ig) and tapered rapamycin. Prolongation of graft median survival time from 39.5 days (no DCreg infusion; n = 6 historical controls) and 29 days with control unpulsed DCreg (n = 2), to 56 days with donor Ag-pulsed DCreg (n = 5) was associated with evidence of modulated host CD4+ and CD8+ T cell responses to donor Ag and attenuation of systemic IL-17 production. Circulating anti-donor antibody (Ab) was not detected until CTLA4 Ig withdrawal. One monkey treated with donor Ag-pulsed DCreg rejected its graft in association with progressively elevated anti-donor Ab, 525 days posttransplant (160 days after withdrawal of immunosuppression). These findings indicate a modest but not statistically significant beneficial effect of donor Ag-pulsed autologous DCreg infusion on NHP graft survival when administered with a minimal immunosuppressive drug regimen.
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Affiliation(s)
- M.B. Ezzelarab
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - D. Raich-Regue
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - L. Lu
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A.F. Zahorchak
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A. Perez-Gutierrez
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A. Humar
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - M. Wijkstrom
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - M. Minervini
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - R.W. Wiseman
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI
| | - D.K.C. Cooper
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A.E. Morelli
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A.W. Thomson
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA,Corresponding author: Angus W. Thomson, PhD, DSc, University of Pittsburgh School of Medicine, 200 Lothrop Street, W1540 BST, Pittsburgh, PA 15261, Phone: (412) 624-6392,
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Whiteley R, Einarsson E, Thomson A, Hansen C. Is the swing or stance phase more likely to injure the hamstrings during running? An EMG investigation using a reduced bodyweight (Alter-G®) treadmill. J Sci Med Sport 2017. [DOI: 10.1016/j.jsams.2017.01.220] [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: 10/20/2022]
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Guo H, Lu L, Wang R, Perez-Gutierrez A, Abdulkerim H, Zahorchak A, Sumpter T, Reimann KA, Thomson A, Ezzelarab M. Impact of Human Mutant TGFβ1/Fc Protein on Memory and Regulatory T Cell Homeostasis Following Lymphodepletion in Nonhuman Primates. Am J Transplant 2016; 16:2994-3006. [PMID: 27217298 PMCID: PMC5121100 DOI: 10.1111/ajt.13883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 11/13/2015] [Revised: 04/29/2016] [Accepted: 05/07/2016] [Indexed: 01/25/2023]
Abstract
Transforming growth factor β1 (TGFβ1) plays a key role in T cell homeostasis and peripheral tolerance. We evaluated the influence of a novel human mutant TGFβ1/Fc (human IgG4 Fc) fusion protein on memory CD4+ and CD8+ T cell (Tmem) responses in vitro and their recovery following antithymocyte globulin (ATG)-mediated lymphodepletion in monkeys. TGFβ1/Fc induced Smad2/3 protein phosphorylation in rhesus and human peripheral blood mononuclear cells and augmented the suppressive effect of rapamycin on rhesus Tmem proliferation after either alloactivation or anti-CD3/CD28 stimulation. In combination with IL-2, the incidence of CD4+ CD25hi Foxp3hi regulatory T cells (Treg) and Treg:Th17 ratios were increased. In lymphodepleted monkeys, whole blood trough levels of infused TGFβ1/Fc were maintained between 2 and 7 μg/mL for 35 days. Following ATG administration, total T cell numbers were reduced markedly. In those given TGFβ1/Fc infusion, CD8+ T cell recovery to predepletion levels was delayed compared to controls. Additionally, numbers of CD4+ CD25hi CD127lo Treg increased at 4-6 weeks after depletion but subsequently declined to predepletion levels by 12 weeks. In all monkeys, CD4+ CD25hi Foxp3hi Treg/CD4+ IL-17+ cell ratios were reduced, particularly after stopping TGFβ1/Fc infusion. Thus, human TGFβ1/Fc infusion may delay Tmem recovery following lymphodepletion in nonhuman primates. Combined (low-dose) IL-2 infusion may be required to improve the Treg:Th17 ratio following lymphodepletion.
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Affiliation(s)
- H. Guo
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - L. Lu
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - R. Wang
- MassBiologics, University of Massachusetts Medical School, Boston, MA
| | - A. Perez-Gutierrez
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - H.S. Abdulkerim
- MassBiologics, University of Massachusetts Medical School, Boston, MA
| | - A.F. Zahorchak
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - T.L. Sumpter
- Department of Dermatology, University of Pittsburgh School of Medicine
| | - K. A. Reimann
- MassBiologics, University of Massachusetts Medical School, Boston, MA
| | - A.W. Thomson
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - M.B. Ezzelarab
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Corresponding author: Mohamed B. Ezzelarab, Starzl Transplantation Institute, University of Pittsburgh School of Medicine, 200 Lothrop Street, E1558 BST, Pittsburgh, PA 15261,
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Simpson N, Simpson G, Laney R, Thomson A, Wheatley D, Ellis R, Mcgrane J. OC-0558: Automated VMAT planning in prostate cancer patients using a Single Arc SIB Technique. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31808-4] [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: 11/28/2022]
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Zahorchak A, Ezzelarab M, Lu L, Turnquist H, Thomson A. In Vivo Mobilization and Functional Characterization of Nonhuman Primate Monocytic Myeloid-Derived Suppressor Cells. Am J Transplant 2016; 16:661-71. [PMID: 26372923 PMCID: PMC6521707 DOI: 10.1111/ajt.13454] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [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: 05/14/2015] [Revised: 06/24/2015] [Accepted: 07/14/2015] [Indexed: 01/25/2023]
Abstract
Increasing evidence from small animal models shows that myeloid-derived suppressor cells (MDSCs) can play a crucial role in inhibiting allograft rejection and promoting transplant tolerance. We identified CD3(-)CD20(-)HLA-DR(-)CD14(+)CD33(+)CD11b(+) cells in peripheral blood of healthy rhesus macaques. These putative monocytic MDSCs constituted 2.1% ± 1.7% of lin(-)HLA-DR(-) peripheral blood mononuclear cells. Administration of granulocyte-macrophage colony-stimulating factor (CSF) and granulocyte CSF increased their incidence to 5.3% ± 3.4%. The total number of MDSCs that could be flow sorted from a single whole rhesus leukapheresis product was 38 ± 13 × 10(6) (n = 10 monkeys). Freshly isolated or cryopreserved MDSCs from mobilized monkeys incorporated in cultures of anti-CD3- and anti-CD28-stimulated autologous T cells markedly suppressed CD4(+) and CD8(+) T cell proliferation and cytokine secretion (interferon γ, IL-17A). Moreover, these MDSCs enhanced CD4(+)CD25(hi)Foxp3(+) regulatory T cell (Treg) expansion while inhibiting proliferation of activated memory T cells and increasing Treg relative to effector and terminally differentiated memory T cells. Inhibition of arginase-1, but not inducible nitric oxide synthase activity, partially reversed the inhibitory effect of the MDSCs on CD8(+) T cell proliferation. Consequently, functional MDSCs can be isolated from nonhuman primates for prospective use as therapeutic cellular vaccines in transplantation.
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Affiliation(s)
- A.F. Zahorchak
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - M.B. Ezzelarab
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - L. Lu
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - H.R. Turnquist
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A.W. Thomson
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA,Corresponding author: Angus W. Thomson PhD DSc, Starzl Transplantation Institute, University of Pittsburgh School of Medicine, 200 Lothrop Street, W1540 BST, Pittsburgh, PA 15261,
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Thomson A, Whiteley R, Bleakley C. Shoe–surface interaction and lower extremity injury in the football codes: A systematic review and meta-analysis. J Sci Med Sport 2015. [DOI: 10.1016/j.jsams.2015.12.460] [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: 11/15/2022]
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Ngo L, Ho H, Hunter P, Quinn K, Thomson A, Pearson G. Post-mortem prediction of primal and selected retail cut weights of New Zealand lamb from carcass and animal characteristics. Meat Sci 2015; 112:39-45. [PMID: 26519607 DOI: 10.1016/j.meatsci.2015.10.012] [Citation(s) in RCA: 10] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 10/14/2015] [Accepted: 10/15/2015] [Indexed: 11/24/2022]
Abstract
Post-mortem measurements (cold weight, grade and external carcass linear dimensions) as well as live animal data (age, breed, sex) were used to predict ovine primal and retail cut weights for 792 lamb carcases. Significant levels of variance could be explained using these predictors. The predictive power of those measurements on primal and retail cut weights was studied by using the results from principal component analysis and the absolute value of the t-statistics of the linear regression model. High prediction accuracy for primal cut weight was achieved (adjusted R(2) up to 0.95), as well as moderate accuracy for key retail cut weight: tenderloins (adj-R(2)=0.60), loin (adj-R(2)=0.62), French rack (adj-R(2)=0.76) and rump (adj-R(2)=0.75). The carcass cold weight had the best predictive power, with the accuracy increasing by around 10% after including the next three most significant variables.
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Affiliation(s)
- L Ngo
- Auckland Bioengineering Institute, University of Auckland, New Zealand; Arts et Métiers ParisTech, France
| | - H Ho
- Auckland Bioengineering Institute, University of Auckland, New Zealand.
| | - P Hunter
- Auckland Bioengineering Institute, University of Auckland, New Zealand
| | - K Quinn
- Silver Fern Farms Ltd, New Zealand
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Smith MD, Russell T, Thomson A, MacIntyre E, Devane H, Howe E, Tucker K. 43 Frontal plane knee and pelvis angles during single leg squat and step down tasks do not differ between people with and without chronic ankle instability. Br J Sports Med 2015. [DOI: 10.1136/bjsports-2015-095573.43] [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: 11/03/2022]
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Maitin-Casalis N, Neeman T, Thomson A. Protective effect of advanced age on post-ERCP pancreatitis and unplanned hospitalisation. Intern Med J 2015; 45:1020-5. [DOI: 10.1111/imj.12844] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 06/18/2015] [Indexed: 02/03/2023]
Affiliation(s)
- N. Maitin-Casalis
- Australian National University Medical School; Canberra Australian Capital Territory Australia
| | - T. Neeman
- Statistical Consulting Unit; Australian National University; Canberra Australian Capital Territory Australia
| | - A. Thomson
- Australian National University Medical School; Canberra Australian Capital Territory Australia
- Gastroenterology Unit; The Canberra Hospital; Canberra Australian Capital Territory Australia
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Aldridge T, Thomson A, Ilankovan V. Abnormal anatomy of inferior orbital fissure and herniation of buccal fat pad. Br J Oral Maxillofac Surg 2015; 53:92-3. [DOI: 10.1016/j.bjoms.2014.09.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 09/24/2014] [Indexed: 11/16/2022]
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Wheelock A, Parand A, Rigole B, Thomson A, Miraldo M, Vincent C, Sevdalis N. Personal context and childhood experiences affect adult vaccination behaviour. Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku161.034] [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: 11/12/2022] Open
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Wheelock A, Thomson A, Rigole B, Miraldo M, Vincent C, Sevdalis N. Trust and adult vaccination: what matters the most? Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku151.017] [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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Thomson A, Purvis G, McGrane J, Palmer J, Mathew J. The Molecular Profile of Matched Primary Breast Cancer and Resected or Biopsied Brain Metastases. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu329.6] [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
INTRODUCTION The aim of this study was to determine the efficacy and complications of postoperative endoscopic retrograde cholangiopancreatography (ERCP) in confirming and treating choledocholithiasis found at intraoperative cholangiography during laparoscopic cholecystectomy. METHODS Patients who had undergone ERCP following a cholecystectomy between 2008 and 2011 with an indication of intraoperative cholangiography findings consistent with choledocholithiasis were identified from a prospectively collected database of a single endoscopist. Deep biliary access rate, confirmation of choledocholithiasis, clearance rate of bile duct stones, delay between cholecystectomy and postoperative ERCP, and the complication rates following the procedure were analysed. RESULTS The median age of the 41 patients (16 male, 25 female) was 42 years (range: 18–82 years). Sixteen surgeons performed the operations with a median delay of 6 days (range: 1–103 days) between cholecystectomy and postoperative ERCP. Common bile duct access was achieved in 100% of the patients, with ERCP taking a median time of 16 minutes (range: 6–40 minutes). Initial ERCP confirmed the presence of a stone in 30 patients (73%) and successful stone removal occurred in 28 of these 30 patients (93%) during the first ERCP and in the remaining 2 on a subsequent ERCP. Following ERCP, two patients (4.9%) experienced extended hospital stays for four and eight days owing to complications, including one patient (2.4%) with mild acute pancreatitis. CONCLUSIONS This study demonstrates that postoperative ERCP is highly effective in both confirming and treating choledocholithiasis. However, there is a significant risk of short-term complications that must be taken into consideration when deciding management.
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Affiliation(s)
- A P Lynn
- Canberra Hospital, The Australian National University, Australia
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Gruen ME, Griffith E, Thomson A, Simpson W, Lascelles BDX. Detection of clinically relevant pain relief in cats with degenerative joint disease associated pain. J Vet Intern Med 2014; 28:346-50. [PMID: 24512390 PMCID: PMC4064787 DOI: 10.1111/jvim.12312] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [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: 08/26/2013] [Revised: 11/20/2013] [Accepted: 12/26/2013] [Indexed: 11/30/2022] Open
Abstract
Background Detection of clinically relevant pain relief in cats with degenerative joint disease (DJD) is complicated by a lack of validated outcome measures and a placebo effect. Hypothesis/Objectives To evaluate a novel approach for detection of pain relief in cats with DJD. Animals Fifty‐eight client‐owned cats. Methods Prospective, double‐masked, placebo‐controlled, stratified, randomized, clinical study. Enrolled cats were 6–21 years of age, with owner‐observed mobility impairment, evidence of pain in at least 2 joints during orthopedic examination, and overlapping radiographic evidence of DJD, and underwent a 2‐week baseline period, 3‐week treatment period with placebo or meloxicam, and 3‐week masked washout period. Outcome measures were evaluated at days 0, 15, 36, and 57. Results Both groups significantly improved after the treatment period (day 36) on client‐specific outcome measures (CSOM) and feline musculoskeletal pain index (FMPI) (P < .0001 for both); there was no difference between the groups on CSOM or FMPI score improvement. After the masked washout period, more cats that received meloxicam during the treatment period had a clinically relevant decrease in CSOM score (P = .048) and FMPI score (P = .021) than cats that received placebo. Conclusions and Clinical Importance Using both a client‐specific and a general clinical metrology instrument, owners of cats with DJD were able to detect evident recurrence of clinical signs after withdrawal of active medication than after withdrawal of placebo, and that this study design might be a novel and useful way to circumvent the placebo effect and detect the efficacy of pain‐relieving medications.
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Affiliation(s)
- M E Gruen
- Comparative Pain Research Laboratory, Department of Clinical Sciences, College of Veterinary Medicine, Raleigh, NC
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Nicholson S, Hall E, Harland SJ, Chester JD, Pickering L, Barber J, Elliott T, Thomson A, Burnett S, Cruickshank C, Carrington B, Waters R, Bahl A. Phase II trial of docetaxel, cisplatin and 5FU chemotherapy in locally advanced and metastatic penis cancer (CRUK/09/001). Br J Cancer 2013; 109:2554-9. [PMID: 24169355 PMCID: PMC3833214 DOI: 10.1038/bjc.2013.620] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.8] [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: 06/24/2013] [Revised: 09/11/2013] [Accepted: 09/15/2013] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Penis cancer is rare and clinical trial evidence on which to base treatment decisions is limited. Case reports suggest that the combination of docetaxel, cisplatin and 5-flurouracil (TPF) is highly active in this disease. METHODS Twenty-nine patients with locally advanced or metastatic squamous carcinoma of the penis were recruited into a single-arm phase II trial from nine UK centres. Up to three cycles of chemotherapy were received (docetaxel 75 mg m(-2) day 1, cisplatin 60 mg m(-2) day 1, 5-flurouracil 750 mg m(-2) per day days 1-5, repeated every 3 weeks). Primary outcome was objective response (assessed by RECIST). Fourteen or more responses in 26 evaluable patients were required to confirm a response rate of 60% or higher (Fleming-A'Hern design), warranting further evaluation. Secondary endpoints included toxicity and survival. RESULTS 10/26 evaluable patients (38.5%, 95% CI: 20.2-59.4) achieved an objective response. Two patients with locally advanced disease achieved radiological complete remission. 65.5% of patients experienced at least one grade 3/4 adverse event. CONCLUSION Docetaxel, cisplatin and 5FU did not reach the pre-determined threshold for further research and caused significant toxicity. Our results do not support the routine use of TPF. The observed complete responses support further investigation of combination chemotherapy in the neoadjuvant setting.
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Affiliation(s)
- S Nicholson
- Imperial College Healthcare NHS Trust, Department of Medical Oncology, Charing Cross Hospital, London W6 8RF, UK
| | - E Hall
- The Institute of Cancer Research, Clinical Trials & Statistics Unit, 123 Old Brompton Road, London SW7 3RP, UK
| | - S J Harland
- Department of Oncology, University College London Hospitals NHSFT, 250 Euston Road, London NW1 2PG, UK
| | - J D Chester
- Leeds Institute of Molecular Medicine, University of Leeds and St. James's Institute of Oncology, St James's University Hospital, Leeds LS9 7TF, UK
| | - L Pickering
- Department of Oncology, St. Georges Hospital, Blackshaw Road, Tooting, London SW17 0QT, UK
| | - J Barber
- Velindre Cancer Centre, Velindre Hospital, Velindre Road, Whitchurch, Cardiff CF14 2TL, UK
| | - T Elliott
- Department of Clinical Oncology, The Christie Hospital, Wilmslow Road, Manchester M20 4BX, UK
| | - A Thomson
- Department of Oncology, Royal Cornwall Hospital, London Road, Treliske, Truro TR1 3LJ, UK
| | - S Burnett
- The Institute of Cancer Research, Clinical Trials & Statistics Unit, 123 Old Brompton Road, London SW7 3RP, UK
| | - C Cruickshank
- The Institute of Cancer Research, Clinical Trials & Statistics Unit, 123 Old Brompton Road, London SW7 3RP, UK
| | - B Carrington
- Department of Diagnostic Radiotherapy, The Christie Hospital, Manchester, UK
| | - R Waters
- The Institute of Cancer Research, Clinical Trials & Statistics Unit, 123 Old Brompton Road, London SW7 3RP, UK
| | - A Bahl
- Bristol Haematology and Oncology Centre, Horfield Road, Bristol BS2 8ED, UK
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Thomson A. Inaugural Speech Delivered at the Opening of the Conference. Acta Radiol 2013. [DOI: 10.1177/028418515404100102] [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: 11/17/2022]
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Isom M, Fox J, Francis J, Thomson A. A daily board round improves communication and discharge planning on an elderly medicine ward. Eur Geriatr Med 2013. [DOI: 10.1016/j.eurger.2013.07.571] [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: 11/16/2022]
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Ezzelarab M, Zahorchak A, Lu L, Morelli A, Chalasani G, Demetris A, Lakkis F, Wijkstrom M, Murase N, Humar A, Shapiro R, Cooper D, Thomson A. Regulatory dendritic cell infusion prolongs kidney allograft survival in nonhuman primates. Am J Transplant 2013; 13:1989-2005. [PMID: 23758811 PMCID: PMC4070451 DOI: 10.1111/ajt.12310] [Citation(s) in RCA: 104] [Impact Index Per Article: 9.5] [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: 02/14/2013] [Revised: 04/03/2013] [Accepted: 04/16/2013] [Indexed: 01/25/2023]
Abstract
We examined the influence of regulatory dendritic cells (DCreg), generated from cytokine-mobilized donor blood monocytes in vitamin D3 and IL-10, on renal allograft survival in a clinically relevant rhesus macaque model. DCreg expressed low MHC class II and costimulatory molecules, but comparatively high levels of programmed death ligand-1 (B7-H1), and were resistant to pro-inflammatory cytokine-induced maturation. They were infused intravenously (3.5-10 × 10(6) /kg), together with the B7-CD28 costimulation blocking agent CTLA4Ig, 7 days before renal transplantation. CTLA4Ig was given for up to 8 weeks and rapamycin, started on Day -2, was maintained with tapering of blood levels until full withdrawal at 6 months. Median graft survival time was 39.5 days in control monkeys (no DC infusion; n = 6) and 113.5 days (p < 0.05) in DCreg-treated animals (n = 6). No adverse events were associated with DCreg infusion, and there was no evidence of induction of host sensitization based on circulating donor-specific alloantibody levels. Immunologic monitoring also revealed regulation of donor-reactive memory CD95(+) T cells and reduced memory/regulatory T cell ratios in DCreg-treated monkeys compared with controls. Termination allograft histology showed moderate combined T cell- and Ab-mediated rejection in both groups. These findings justify further preclinical evaluation of DCreg therapy and their therapeutic potential in organ transplantation.
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Affiliation(s)
- M. Ezzelarab
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - A.F. Zahorchak
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - L. Lu
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - A.E. Morelli
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - G. Chalasani
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine,Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - A.J. Demetris
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine,Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - F.G. Lakkis
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - M. Wijkstrom
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - N. Murase
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - A. Humar
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - R. Shapiro
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - D.K.C. Cooper
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine
| | - A.W. Thomson
- Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh School of Medicine,Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA,Corresponding author: Angus W. Thomson, PhD DSc, University of Pittsburgh School of Medicine, 200 Lothrop Street, W1540 BST, Pittsburgh, PA 15261, Phone: (412) 624-6392,
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Dons E, Raimondi G, Zhang H, Zahorchak A, Bhama J, Lu L, Ezzelarab M, Ijzermans J, Cooper D, Thomson A. Ex vivo-expanded cynomolgus macaque regulatory T cells are resistant to alemtuzumab-mediated cytotoxicity. Am J Transplant 2013; 13:2169-78. [PMID: 23635093 PMCID: PMC3780590 DOI: 10.1111/ajt.12248] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [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: 09/05/2012] [Revised: 03/07/2013] [Accepted: 03/10/2013] [Indexed: 01/25/2023]
Abstract
Alemtuzumab (Campath-1H) is a humanized monoclonal antibody (Ab) directed against CD52 that depletes lymphocytes and other leukocytes, mainly by complement-dependent mechanisms. We investigated the influence of alemtuzumab (i) on ex vivo-expanded cynomolgus monkey regulatory T cells (Treg) generated for prospective use in adoptive cell therapy and (ii) on naturally occurring Treg following alemtuzumab infusion. Treg were isolated from PBMC and lymph nodes and expanded for two rounds. CD52 expression, binding of alemtuzumab and both complement-mediated killing and Ab-dependent cell-mediated cytotoxicity (ADCC) were compared between freshly isolated and expanded Treg and effector T cells. Monkeys undergoing allogeneic heart transplantation given alemtuzumab were monitored for Treg and serum alemtuzumab activity. Ex vivo-expanded Treg showed progressive downregulation of CD52 expression, absence of alemtuzumab binding, minimal change in complement inhibitory protein (CD46) expression and no complement-dependent killing or ADCC. Infusion of alemtuzumab caused potent depletion of all lymphocytes, but a transient increase in the incidence of circulating Treg. After infusion of alemtuzumab, monkey serum killed fresh PBMC, but not expanded Treg. Thus, expanded cynomolgus monkey Treg are resistant to alemtuzumab-mediated, complement-dependent cytotoxicity. Furthermore, our data suggest that these expanded monkey Treg can be infused into graft recipients given alemtuzumab without risk of complement-mediated killing.
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Affiliation(s)
- E.M. Dons
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA,Department of Surgery, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands
| | - G. Raimondi
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - H. Zhang
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - A.F. Zahorchak
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - J.K. Bhama
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center Presbyterian, Pittsburgh, PA
| | - L. Lu
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - M. Ezzelarab
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - J.N.M. Ijzermans
- Department of Surgery, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands
| | - D.K.C. Cooper
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - A.W. Thomson
- Thomas E. Starzl Transplantation Institute, Department of Surgery, University of Pittsburgh, Pittsburgh, PA,Department of Immunology, University of Pittsburgh, Pittsburgh, PA
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Benito J, Depuy V, Hardie E, Zamprogno H, Thomson A, Simpson W, Roe S, Hansen B, Lascelles BDX. Reliability and discriminatory testing of a client-based metrology instrument, feline musculoskeletal pain index (FMPI) for the evaluation of degenerative joint disease-associated pain in cats. Vet J 2013; 196:368-73. [PMID: 23369382 DOI: 10.1016/j.tvjl.2012.12.015] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Revised: 11/15/2012] [Accepted: 12/19/2012] [Indexed: 11/17/2022]
Affiliation(s)
- J Benito
- Comparative Pain Research Laboratory, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
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Benito J, Hansen B, DePuy V, Davidson G, Thomson A, Simpson W, Roe S, Hardie E, Lascelles B. Feline Musculoskeletal Pain Index: Responsiveness and Testing of Criterion Validity. J Vet Intern Med 2013; 27:474-82. [DOI: 10.1111/jvim.12077] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 01/28/2013] [Accepted: 02/12/2013] [Indexed: 11/28/2022] Open
Affiliation(s)
- J. Benito
- Comparative Pain Research Laboratory; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
| | - B. Hansen
- Comparative Pain Research Laboratory; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
| | - V. DePuy
- Bowden Statistical Consulting; Oxford NC
| | - G.S. Davidson
- Clinical Pharmacy Services; College of Veterinary Medicine; North Carolina State University; Raleigh NC
| | - A. Thomson
- Comparative Pain Research Laboratory; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
| | - W. Simpson
- Morrisville Cat Hospital; Morrisville NC
| | - S. Roe
- Comparative Pain Research Laboratory; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
| | - E. Hardie
- Comparative Pain Research Laboratory; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
| | - B.D.X. Lascelles
- Comparative Pain Research Laboratory; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
- Department of Clinical Sciences; Center for Comparative Medicine and Translational Research; College of Veterinary Medicine; North Carolina State University; Raleigh NC
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Thomson A. Guidelines on guidelines - the impact of the Web. Intern Med J 2012; 42:1275-6. [PMID: 23157531 DOI: 10.1111/j.1445-5994.2012.02958.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 09/11/2012] [Indexed: 11/29/2022]
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Morgan M, Helsdon J, Thomson A. Clinical recall from the NHS Breast Screening Programme: is it worth doing? Breast Cancer Res 2012. [PMCID: PMC3542670 DOI: 10.1186/bcr3289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Boraei A, Stoyanova E, Thomson A. W478 AN AUDIT TO INVESTIGATE THE ROLE OF LAPAROSCOPY FOR THE MANAGEMENT OF CHRONIC PELVIC PAIN. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)62197-3] [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: 11/30/2022]
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Freeman RM, Pantazis K, Thomson A, Frappell J, Bombieri L, Moran P, Slack M, Scott P, Waterfield M. A randomised controlled trial of abdominal versus laparoscopic sacrocolpopexy for the treatment of post-hysterectomy vaginal vault prolapse: LAS study. Int Urogynecol J 2012; 24:377-84. [PMID: 22864764 DOI: 10.1007/s00192-012-1885-x] [Citation(s) in RCA: 196] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Accepted: 06/30/2012] [Indexed: 12/25/2022]
Abstract
INTRODUCTION AND HYPOTHESIS This prospective multi-centre true two-sided equivalence trial was designed to test the clinical equivalence of open (ASCP) and laparoscopic (LSCP) sacrocolpopexy using objective and subjective outcomes METHODS The study was carried out in three urogynaecology units in England, UK and the patient population consisted of women referred with symptomatic and bothersome post-hysterectomy vaginal vault prolapse at least 1 cm above or beyond the hymeneal remnants. The interventions were either abdominal or laparoscopic sacrocolpopexy following randomisation to one of the types of surgery. RESULTS For the primary outcome (point C on the POP-Q) the results at 1 year were -6.63 cm for the open ASCP and -6.67 cm for the LSCP respectively. Subjective outcomes at 1 year showed that 90% of the ASCP group and 80% of the LSCP group were "much better". There were improvements with regard to blood loss, haemoglobin and shorter length of stay in the LSCP group compared with the ASCP group. CONCLUSION This fully powered randomised controlled trial comparing open and laparoscopic sacrocolpopexy has shown clinical equivalence.
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Affiliation(s)
- R M Freeman
- Urogynaecology Unit, Directorate of Women's Health, Derriford Hospital, Plymouth PL6 8DH, UK.
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Calle A, Racosta JM, Fontela ME, Gonzalez Toledo M, Jauregui A, Munoz Giacomelli F, Pagani Cassara F, Thomson A. The Pleomorphism of Electroencephalogram in Non Convulsive Status Epilepticus (P02.165). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p02.165] [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: 11/15/2022] Open
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Calle A, Gonzalez Toledo M, Jauregui A, Munoz Giacomelli F, Pontello N, Fontela ME, Thomson A. The Two Faces of Nonconvulsive Status Epilepticus. Analysis of Its Clinical Presentation (P01.070). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p01.070] [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: 11/15/2022] Open
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Torralva T, Strejilevich S, Roca M, Manes F, Thomson A. Patients with Bipolar Disorder and Epilepsy Associated: Does a Differential Neurologic Pattern Exist? (P01.063). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p01.063] [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: 11/15/2022] Open
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McGraw M, Fellows S, Long A, Millar H, Muir G, Thomson A, Uddin S, Watt J, Williams S. Feedback on doctors' performance from parents and carers of children: a national pilot study. Arch Dis Child 2012; 97:206-10. [PMID: 21616961 DOI: 10.1136/adc.2010.203174] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To evaluate the reliability and validity of a children's carers' feedback tool, to explore the feasibility of delivering this nationally and to determine acceptability to doctors of this assessment. PARTICIPANTS 122 UK paediatricians on the specialist register undertaking outpatient consultations. DESIGN Participants were each sent 50 forms for distribution to carers. Mean scores for each question, and for the overall pilot cohort were returned to participants with verbatim free text comments. Participating paediatricians' views were sought before and after receiving feedback. RESULTS 122 doctors returned 4415 forms (mean 36 per doctor). All doctors scored highly with scores across all returned forms having a median of 4.58 (IQ range 0.17) where the maximum score was 5. Differences were observed between scores from female compared to male carers (p<0.05), from consultations rated by carer and child compared to carer alone (p<0.05) and from carers who had previously met the doctor compared to those in their first consultation (p<0.001). 'White' doctors received higher ratings than 'non-white' doctors (p<0.05) and white patients rated both white doctors and non-white doctors more highly than non-white patients (p<0.01). A minimum of 25 consultations rated by children's carers are needed for acceptable reliability. 93.9% of participants would be happy to be assessed in this way for the purposes of revalidation. CONCLUSIONS National delivery of a valid and reliable method of carer feedback is feasible. The scores received and acceptability in these self-selected doctors was high. Confounding variables may influence feedback, so guidance on interpretation may be needed.
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Affiliation(s)
- M McGraw
- Department of Paediatric Nephrology, Bristol Royal Hospital for Children, Bristol BS2 8BJ, UK.
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Stenger E, Rosborough B, Mathews L, Ma H, Mapara M, Thomson A, Turnquist H. IL-12hi Rapamycin-Conditioned Dendritic Cells Induce Apoptosis of Alloreactive CD4+ T Cells in an Ifn-γ-Dependent Manner and Inhibit Graft-Versus-Host Disease. Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.418] [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: 10/14/2022]
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