129 results on '"Graham, Y."'
Search Results
2. A national survey investigating the impact of the COVID-19 pandemic on core and higher breast radiology training in the UK
- Author
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Carpenter, S., primary, Graham, Y., additional, Kulkarni, T., additional, Lyburn, I., additional, Vinnicombe, S., additional, Sharma, S., additional, Sharma, N., additional, and Lowes, S., additional
- Published
- 2022
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3. The vital role of healthcare assistants in pressure ulcer prevention: learning from research in practice
- Author
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Hayes, C, primary, Fox, A, additional, Scott-Thomas, J, additional, and Graham, Y, additional
- Published
- 2022
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4. The RICH detectors for the upgraded LHCb experiment
- Author
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Kim, Graham Y.
- Published
- 2011
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- View/download PDF
5. Patient-reported outcome measures (PROMs) in radiology: embracing the metrics of change.
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Cox, J., Graham, Y., and Hayes, C.
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- *
RADIOLOGY - Published
- 2023
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6. Interrater disagreement resolution: A systematic procedure to reach consensus in annotation tasks
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Oortwijn, Y., Ossenkoppele, T., Betti, A., Belz, A., Agarwal, S., Graham, Y., Reiter, E., Shimorina, A., ILLC (FGw), Logic and Language (ILLC, FNWI/FGw), and ILLC (FNWI/FGw)
- Abstract
We present a systematic procedure for interrater disagreement resolution. The procedure is general, but of particular use in multiple-annotator tasks geared towards ground truth construction. We motivate our proposal by arguing that, barring cases in which the researchers’ goal is to elicit different viewpoints, interrater disagreement is a sign of poor quality in the design or the description of a task. Consensus among annotators, we maintain, should be striven for, through a systematic procedure for disagreement resolution such as the one we describe.
- Published
- 2021
7. Eliciting explicit knowledge from domain experts in direct intrinsic evaluation of word embeddings for specialized domains
- Author
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van Boven, G., Bloem, J., Belz, A., Agarwal, S., Graham, Y., Reiter, E., Shimorina, A., ILLC (FGw), ILLC (FNWI/FGw), Logic and Language (ILLC, FNWI/FGw), and Faculteit der Geesteswetenschappen
- Abstract
We evaluate the use of direct intrinsic word embedding evaluation tasks for specialized language. Our case study is philosophical text: human expert judgements on the relatedness of philosophical terms are elicited using a synonym detection task and a coherence task. Uniquely for our task, experts must rely on explicit knowledge and cannot use their linguistic intuition, which may differ from that of the philosopher. We find that inter-rater agreement rates are similar to those of more conventional semantic annotation tasks, suggesting that these tasks can be used to evaluate word embeddings of text types for which implicit knowledge may not suffice.
- Published
- 2021
8. TRECVID 2019: An Evaluation Campaign to Benchmark Video Activity Detection, Video Captioning and Matching, and Video Search & Retrieval
- Author
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Awad, G., Butt, A. A., Keith Curtis, Lee, Y., Fiscus, J., Godil, A., Delgado, A., Zhang, J., Godard, E., Diduch, L., Smeaton, A. F., Graham, Y., Kraaij, W., Quénot, G., Georgetown University [Washington] (GU), National Institute of Standards and Technology [Gaithersburg] (NIST), Johns Hopkins University (JHU), Dakota Consulting Inc. [Silver Spring], Dublin City University (DCU), Ireland's university of Enterprise, Leiden University, Modélisation et Recherche d’Information Multimédia [Grenoble] (MRIM), Laboratoire d'Informatique de Grenoble (LIG), and Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre Mendès France - Grenoble 2 (UPMF)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre Mendès France - Grenoble 2 (UPMF)-Université Joseph Fourier - Grenoble 1 (UJF)
- Subjects
FOS: Computer and information sciences ,Artificial Intelligence (cs.AI) ,Computer Science - Artificial Intelligence ,[INFO.INFO-IR]Computer Science [cs]/Information Retrieval [cs.IR] ,Computer Vision and Pattern Recognition (cs.CV) ,Computer Science - Computer Vision and Pattern Recognition ,[INFO.INFO-CV]Computer Science [cs]/Computer Vision and Pattern Recognition [cs.CV] ,ComputingMilieux_MISCELLANEOUS ,[INFO.INFO-AI]Computer Science [cs]/Artificial Intelligence [cs.AI] - Abstract
The TREC Video Retrieval Evaluation (TRECVID) 2019 was a TREC-style video analysis and retrieval evaluation, the goal of which remains to promote progress in research and development of content-based exploitation and retrieval of information from digital video via open, metrics-based evaluation. Over the last nineteen years this effort has yielded a better understanding of how systems can effectively accomplish such processing and how one can reliably benchmark their performance. TRECVID has been funded by NIST (National Institute of Standards and Technology) and other US government agencies. In addition, many organizations and individuals worldwide contribute significant time and effort. TRECVID 2019 represented a continuation of four tasks from TRECVID 2018. In total, 27 teams from various research organizations worldwide completed one or more of the following four tasks: 1. Ad-hoc Video Search (AVS) 2. Instance Search (INS) 3. Activities in Extended Video (ActEV) 4. Video to Text Description (VTT) This paper is an introduction to the evaluation framework, tasks, data, and measures used in the workshop., Comment: TRECVID Workshop overview paper. 39 pages
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- 2020
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9. TRECVID 2018: Benchmarking video activity detection, video captioning and matching, video storytelling linking and video search
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Awad, G., Butt, A. A., Keith Curtis, Lee, Y., Fiscus, J., Godil, A., Joy, D., Delgado, A., Smeaton, A. F., Graham, Y., Kraaij, W., Quénot, G., Magalhaes, J., Semedo, D., Blasi, S., National Institute of Standards and Technology [Gaithersburg] (NIST), Insight Centre for Data Analytics [Dublin], Dublin City University [Dublin] (DCU), TNO [Delf], Radboud university [Nijmegen], Modélisation et Recherche d’Information Multimédia [Grenoble] (MRIM ), Laboratoire d'Informatique de Grenoble (LIG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), NOVA Laboratory for Computer Science and Informatics (NOVA-LINCS), Departamento de Informática (DI), Faculdade de Ciências e Tecnologia = School of Science & Technology (FCT NOVA), Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Faculdade de Ciências e Tecnologia = School of Science & Technology (FCT NOVA), Universidade Nova de Lisboa = NOVA University Lisbon (NOVA)-Universidade Nova de Lisboa = NOVA University Lisbon (NOVA), BBC Research & Development, and BBC
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[INFO.INFO-IR]Computer Science [cs]/Information Retrieval [cs.IR] ,[INFO.INFO-CV]Computer Science [cs]/Computer Vision and Pattern Recognition [cs.CV] ,ComputingMilieux_MISCELLANEOUS - Abstract
[No abstract available]
- Published
- 2020
10. A systematic review of factors influencing Type 2 Diabetes Mellitus management in Nigerian public hospitals
- Author
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Bosun-Arije, FS, Ling, J, Graham, Y, Hayes, C, Bosun-Arije, FS, Ling, J, Graham, Y, and Hayes, C
- Abstract
© 2019 Introduction: Type 2 Diabetes Mellitus (T2DM) is often a preventable type of Diabetes Mellitus (DM). However, if developed, can be managed effectively, even at a low-or-no cost. A critical evaluation of the literature on T2DM management in Nigeria reveals sparse evidence-base surrounding external and internal context-specific factors influencing T2DM management in public hospitals across Nigeria. Identification of these factors is crucial to health policy, research, and patient management. This review provides holistic evidence about the influencing factors in public hospitals across Nigeria. Methods: We synthesised quantitative studies on T2DM management, published between 2006 and 2016 in Nigerian public hospitals. Searches of PsycINFO, EMBASE, and Google Scholar databases were undertaken, alongside the African Journals Online (AJOL) and the Cochrane Library resources. The websites of the World Health Organisation African Region (WHO, AFR) and International Diabetes Federation African Region (IDF, AFR) were also searched. The Critical Appraisal Skills Programme (CASP) and Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) checklists were used for quality appraisal and report. Results: This review revealed factors such as non-adherence/non-compliance (20 studies), self-care related (9 studies), psychological-related (6 studies), social-related (6 studies), cost-related (6 studies) and drug-related (3 studies). Impacts of these factors on patient health outcome were elevated glycaemic levels, poor self-management skills, early development of DM complications, and loss of trust in clinical management as well as high mortality rate. Conclusion: The outcome of this review offers practical recommendations for policy review and suggestions for potential change implementation to improve T2DM patient management in the context of clinical practice.
- Published
- 2019
11. Translating pro-drop languages with reconstruction models
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Longyue Wang, Zhang, T., Tu, Z., Graham, Y., Shi, S., and Liu, Q.
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FOS: Computer and information sciences ,Artificial intelligence ,Computer Science - Computation and Language ,Computational linguistics ,Neural Machine Translation ,Pro-Drop Language ,Dropped Pronoun ,Reconstruction Model ,Dialogue ,General Medicine ,Computation and Language (cs.CL) ,Machine translating - Abstract
Pronouns are frequently omitted in pro-drop languages, such as Chinese, generally leading to significant challenges with respect to the production of complete translations. To date, very little attention has been paid to the dropped pronoun (DP) problem within neural machine translation (NMT). In this work, we propose a novel reconstruction-based approach to alleviating DP translation problems for NMT models. Firstly, DPs within all source sentences are automatically annotated with parallel information extracted from the bilingual training corpus. Next, the annotated source sentence is reconstructed from hidden representations in the NMT model. With auxiliary training objectives, in terms of reconstruction scores, the parameters associated with the NMT model are guided to produce enhanced hidden representations that are encouraged as much as possible to embed annotated DP information. Experimental results on both Chinese-English and Japanese-English dialogue translation tasks show that the proposed approach significantly and consistently improves translation performance over a strong NMT baseline, which is directly built on the training data annotated with DPs., Accepted by AAAI-18
- Published
- 2018
12. TREC video retrieval evaluation TRECVID 2018
- Author
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Awad, G., Soboroff, I., Butt, A., Curtis, K., Ellis, A., Dimmick, D., Fiscus, J., Godil, A., Delgado, A., Smeaton, A., Graham, Y., Kraaij, W., Quénot, G., Magalhaes, J., Semedo, D., Blasi, S., Strassel, S., Lee, Y., and Joy, D.
- Abstract
[No abstract available]
- Published
- 2018
13. Can machine translation systems be evaluated by the crowd alone
- Author
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Graham, Y, Baldwin, T, Moffat, A, Zobel, J, Graham, Y, Baldwin, T, Moffat, A, and Zobel, J
- Abstract
Crowd-sourced assessments of machine translation quality allow evaluations to be carried out cheaply and on a large scale. It is essential, however, that the crowd's work be filtered to avoid contamination of results through the inclusion of false assessments. One method is to filter via agreement with experts, but even amongst experts agreement levels may not be high. In this paper, we present a new methodology for crowd-sourcing human assessments of translation quality, which allows individual workers to develop their own individual assessment strategy. Agreement with experts is no longer required, and a worker is deemed reliable if they are consistent relative to their own previous work. Individual translations are assessed in isolation from all others in the form of direct estimates of translation quality. This allows more meaningful statistics to be computed for systems and enables significance to be determined on smaller sets of assessments. We demonstrate the methodology's feasibility in large-scale human evaluation through replication of the human evaluation component of Workshop on Statistical Machine Translation shared translation task for two language pairs, Spanish-to-English and English-to-Spanish. Results for measurement based solely on crowd-sourced assessments show system rankings in line with those of the original evaluation. Comparison of results produced by the relative preference approach and the direct estimate method described here demonstrate that the direct estimate method has a substantially increased ability to identify significant differences between translation systems.
- Published
- 2017
14. Is all that Glitters in Machine Translation Quality Estimation really Gold?
- Author
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Graham, Y., Baldwin, T., Lynn, T., Dowling, M., Tounsi, L., and Eskevich, M.
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Future TDM ,Language & Speech Technology ,GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries) - Abstract
Contains fulltext : 162513.pdf (Publisher’s version ) (Open Access) 26th International Conference on Computational Linguistics (COLING), 11 december 2017
- Published
- 2016
15. The RICH detectors for the upgraded LHCb experiment
- Author
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Graham Y. Kim
- Subjects
Physics ,Nuclear and High Energy Physics ,Particle physics ,Large Hadron Collider ,Physics::Instrumentation and Detectors ,Detector ,Ranging ,Particle identification ,Nuclear physics ,Upgrade ,High Energy Physics::Experiment ,Multiplier (economics) ,Electronics ,Instrumentation ,Pulse height - Abstract
The LHCb experiment is designed to operate at an LHC luminosity of 2×1032 cm−2 s−1, or typically one collision per bunch crossing. After about five years it will have recorded a data sample of 10 fb−1. At this time LHCb plans an upgrade to operate the detector at a significantly increased luminosity that will greatly extend its potential for discovery and study of new phenomena. Studies performed to optimise the design of the LHCb upgrade are presented. The RICH detector will require new photon detectors as the current HPDs have encapsulated electronics which only support a readout rate of up to 1 MHz. Multi-anode and flat-panel photo multiplier tubes (PMTs) are evaluated as photon detector candidates and their properties including pulse height, shape and cross-talk are measured. The particle identification performance is studied as a function of luminosities ranging up to ten times the design as foreseen for the LHCb upgrade. Finally, the performance of flavour tagging using kaons, which strongly relies on RICH particle identification is also presented.
- Published
- 2011
16. Patient experiences of adjusting to life in the first 2 years after bariatric surgery: a qualitative study
- Author
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Graham, Y., primary, Hayes, C., additional, Small, P. K., additional, Mahawar, K., additional, and Ling, J., additional
- Published
- 2017
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17. Marginal ulcers after one anastomosis (mini) gastric bypass: a survey of surgeons
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Mahawar, K. K., primary, Reed, A. N., additional, and Graham, Y. N. H., additional
- Published
- 2017
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18. Recent advances in the understanding of fault zone internal structure: a review
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Wibberley, C. A. J., Graham, Y, and DI TORO, Giulio
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fault rocks ,Faults ,fault mechanics ,fluids ,earthquakes - Published
- 2008
19. Digital deflation : the productivity revolution and how it will ignite the economy
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Tanaka, Graham Y. and Tanaka, Graham Y.
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- 2004
20. Bouveret's syndrome: a rare cause of GI bleeding
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Kamran Ayub, Waqar Qureshi, and David Graham Y
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Hepatology ,Gastroenterology - Published
- 2000
21. Digital Deflation : The Productivity Revolution and How It Will Ignite the Economy
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Tanaka, Graham Y. and Tanaka, Graham Y.
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- Technological innovations--Economic aspects--United States, Industrial productivity--Effect of technological innovations on--United States, Digital divide--Economic aspects--United States, Deflation (Finance)--United States
- Published
- 2004
22. Pituitary-adrenal and autonomic responses to stress in women after sexual and physical abuse in childhood.
- Author
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Heim C, Newport DJ, Heit S, Graham YP, Wilcox M, Bonsall R, Miller AH, Nemeroff CB, Heim, C, Newport, D J, Heit, S, Graham, Y P, Wilcox, M, Bonsall, R, Miller, A H, and Nemeroff, C B
- Abstract
Context: Evidence suggests that early adverse experiences play a preeminent role in development of mood and anxiety disorders and that corticotropin-releasing factor (CRF) systems may mediate this association.Objective: To determine whether early-life stress results in a persistent sensitization of the hypothalamic-pituitary-adrenal axis to mild stress in adulthood, thereby contributing to vulnerability to psychopathological conditions.Design and Setting: Prospective controlled study conducted from May 1997 to July 1999 at the General Clinical Research Center of Emory University Hospital, Atlanta, Ga.Participants: Forty-nine healthy women aged 18 to 45 years with regular menses, with no history of mania or psychosis, with no active substance abuse or eating disorder within 6 months, and who were free of hormonal and psychotropic medications were recruited into 4 study groups (n = 12 with no history of childhood abuse or psychiatric disorder [controls]; n = 13 with diagnosis of current major depression who were sexually or physically abused as children; n = 14 without current major depression who were sexually or physically abused as children; and n = 10 with diagnosis of current major depression and no history of childhood abuse).Main Outcome Measures: Adrenocorticotropic hormone (ACTH) and cortisol levels and heart rate responses to a standardized psychosocial laboratory stressor compared among the 4 study groups.Results: Women with a history of childhood abuse exhibited increased pituitary-adrenal and autonomic responses to stress compared with controls. This effect was particularly robust in women with current symptoms of depression and anxiety. Women with a history of childhood abuse and a current major depression diagnosis exhibited a more than 6-fold greater ACTH response to stress than age-matched controls (net peak of 9.0 pmol/L [41.0 pg/mL]; 95% confidence interval [CI], 4.7-13.3 pmol/L [21.6-60. 4 pg/mL]; vs net peak of 1.4 pmol/L [6.19 pg/mL]; 95% CI, 0.2-2.5 pmol/L [1.0-11.4 pg/mL]; difference, 8.6 pmol/L [38.9 pg/mL]; 95% CI, 4.6-12.6 pmol/L [20.8-57.1 pg/mL]; P<.001).Conclusions: Our findings suggest that hypothalamic-pituitary-adrenal axis and autonomic nervous system hyperreactivity, presumably due to CRF hypersecretion, is a persistent consequence of childhood abuse that may contribute to the diathesis for adulthood psychopathological conditions. Furthermore, these results imply a role for CRF receptor antagonists in the prevention and treatment of psychopathological conditions related to early-life stress. JAMA. 2000;284:592-597 [ABSTRACT FROM AUTHOR]- Published
- 2000
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23. Neurobiological effects of early trauma
- Author
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Heit, S., Graham, Y., and Charles Nemeroff
- Subjects
Stress Disorders, Post-Traumatic ,Adrenocorticotropic Hormone ,Corticotropin-Releasing Hormone ,Depression ,Animals ,Humans ,Child ,Stress, Psychological
24. Pituitary-adrenal and autonomic responses to stress in women after sexual and physical abuse in childhood
- Author
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Christine Heim, Jeffrey Newport, D., Heit, S., Graham, Y. P., Wilcox, M., Bonsall, R., Miller, A. H., and Nemeroff, C. B.
25. TRECVID 2017: Evaluating ad-hoc and instance video search, events detection, video captioning, and hyperlinking
- Author
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Awad, G., Butt, A. A., Fiscus, J., Joy, D., Delgado, A., Mcclinton, W., Michel, M., Smeaton, A. F., Graham, Y., Kraaij, W., Quénot, G., Eskevich, M., Ordelman, R., Gareth Jones, Huet, B., Dakota Consulting Inc. [Silver Spring], National Institute of Standards and Technology [Gaithersburg] (NIST), Insight Centre for Data Analytics [Dublin], Dublin City University [Dublin] (DCU), TNO [Delf], Radboud university [Nijmegen], Modélisation et Recherche d’Information Multimédia [Grenoble] (MRIM ), Laboratoire d'Informatique de Grenoble (LIG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), University of Twente [Netherlands], Analyse et synthèse sonores [Paris], Sciences et Technologies de la Musique et du Son (STMS), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Eurecom [Sophia Antipolis], Radboud University [Nijmegen], and University of Twente
- Subjects
[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing ,[INFO.INFO-IR]Computer Science [cs]/Information Retrieval [cs.IR] ,ComputingMilieux_MISCELLANEOUS ,[INFO.INFO-AI]Computer Science [cs]/Artificial Intelligence [cs.AI] - Abstract
International audience
26. TREC video retrieval evaluation TRECVID 2018
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Awad, G., Soboroff, I., Butt, A., Keith Curtis, Ellis, A., Dimmick, D., Fiscus, J., Godil, A., Delgado, A., Smeaton, A., Graham, Y., Kraaij, W., Quénot, G., Magalhaes, J., Semedo, D., Blasi, S., Strassel, S., Lee, Y., and Joy, D.
- Abstract
[No abstract available]
27. Letter from Y. B. Graham, to Stimpson H. Woodward, August 1, 1872
- Author
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Woodward, S. H. (Stimpson Harvey) (Addressee), Graham, Y. B., Woodward, S. H. (Stimpson Harvey) (Addressee), and Graham, Y. B.
- Abstract
A document from an extensive collection spanning four generations of the Woodward family that operated merchant pig iron companies in West Virginia and Alabama. The collection begins with Stimpson Harvey Woodward (S. H. Woodward), a native of Massachusetts, who moved from Pittsburgh to Wheeling, West Virginia in 1852. He had interests in an iron company as early as 1852 in West Virginia and began Alabama operations in 1869. The family business continued in Alabama until the death of S. H. Woodward's great-grandson in 1965.
28. Letter from Y. B. Graham, to Stimpson H. Woodward, August 1, 1872
- Author
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Woodward, S. H. (Stimpson Harvey) (Addressee), Graham, Y. B., Woodward, S. H. (Stimpson Harvey) (Addressee), and Graham, Y. B.
- Abstract
A document from an extensive collection spanning four generations of the Woodward family that operated merchant pig iron companies in West Virginia and Alabama. The collection begins with Stimpson Harvey Woodward (S. H. Woodward), a native of Massachusetts, who moved from Pittsburgh to Wheeling, West Virginia in 1852. He had interests in an iron company as early as 1852 in West Virginia and began Alabama operations in 1869. The family business continued in Alabama until the death of S. H. Woodward's great-grandson in 1965.
29. Western love affair hides Africa's troubled heart.
- Author
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Graham, Y.
- Subjects
- *
ECONOMICS ,ECONOMIC conditions in Africa - Abstract
Contends that market economics and machine politics are not the answer to Africa's problems. Overview of the political upheavals which have swept across Africa in the past two years; Ineffectiveness of the Organisation of African Unity (OAU); Failure of Structural Adjustment Programmes (SAP) set up by the International Monetary Fund (IMF) and World Bank; Uncertain future prospects.
- Published
- 1991
30. The Value of Serum Recognition of the Helicobacter pylori CagA Protein in Patients up to 45 Years of Age before Endoscopy
- Author
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Kanižaj, Tajana, Katicic, Miroslava, Presečki, Vladimir, Tićak, Mirjana, Škurla, Bruno, Prskalo, Marija, Šabarić, Branka, Naumovski-Mihalić, Slavica, Cvrlje, Vesna., Graham, J., David, and Graham, Y., David
- Subjects
Helicobacter pylori ,CagA protein ,endoscopy - Abstract
Aim. to assess the diagnostic value of pre-endoscopy anti-CagA serum screening of patients up to 45 years of age with uncomplicated simple dyspepsia. Methods. In a group of 207 dyspeptic patients (excluding patients with alarm symptoms or earlier eradication therapy) Helicobacter pylori status was determined by histology, microbiology, and serology. Serum recognition of H. pylori anti-CagA antibodies was determined by the Western blot method. Results. Of 207 (range: 18– 88 years) H. pylori-positive patients, 58/207 were younger or equal and 149 older than 45 years of age. The sensitivity and specificity of Western blot in determining H. pylori status was 100% (gold standard microbiology and histology). Endoscopic findings in 45/58 dyspeptic patients younger than 45 years (77.5%) were significant gastroduodenal lesions (ulcers, cancer, or severe histology changes – atrophy or intestinal metaplasia). Screening strategies based solely on serum recognition of the CagA protein would have detected 91.7% of significant lesions. Unfortunately, one carcinoma and three duodenal ulcers would be missed. Screening by CagA serology plus anamnesis of NSAIL intake would not increase percentage of detected severe lesions. Conclusions. In H. pylori-positive patients (detected by noninvasive methods) with uncomplicated simple dyspepsia up to 45 years of age, additional screening for endoscopy solely by CagA serology identified 91.7% of significant gastroduodenal lesions. Therefore, the results of this noninvasive screening test is not recommended as the only selective criteria for endoscopy in H. pylori positive dyspeptic patients up to 45 years of age.
- Published
- 2007
31. Relationship between Helicobacter pylori Infection and Etiology of Liver Cirrhosis: Any Relationship?
- Author
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Naumovski-Mihalić, Slavica, Katičić, Miroslava, Čolić-Cvrlje, Vesna, Filipec-Kanižaj, Tajana, Tićak, Mirjana, Šabarić, Branka, Papa, Branko, Mičetić, Goran, Škurla, Bruno, Prskalo, Marija., and Graham, Y., David
- Subjects
Helicobacter pylori ,etiology ,liver cirrhosis - Abstract
Aim. To determine the incidence of Helicobacter pylori infection in patients with liver cirrhosis. Methods and Patients. Eighty patients (68M/12F) mean age 48.5 years with cirrhosis of the liver were included in the study. All patients had upper gastroduodenal endoscopy, and gastroduodenal pathology was indentified. H. pylori was confirmed by gastric histology. Etiology of cirrhosis was classified as alcoholic and nonalcoholic. The rate of H. pylori was related to age, etiology, Chil-Pugh grading, levels of serum ammonia, hepatic encephalopathy, and mortality. The patients were divided into two groups: group A with 40 patients with alcohol cirrhosis (AC), and group B with 40 patients with nonalcoholic cirrhosis (NAC). Results. The incidence of H. pylori infection was significantly higher in group B-29 patients from 40 patients (74%) compared with group A-17 patients from 40 patients (42%), p < .001. The levels of serum ammonia was higher in group B-27 patients from 40 patients (68%) compared with group A-16 patients from 40 patients (39%) p
- Published
- 2007
32. Influence of Helicobacter pylori Infection on Chronic Atrophic Corpus and Antral Gastritis
- Author
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Katičić, Miroslava, Naumovski-Mihalić, Slavica, Filipec-Kanižaj, Tajana, Mrzljak, Anna, Dominis, Mara, Gašparov, Slavko, Prskalo, Marija, Tićak, Mirjana, Škurla, Bruno, and Graham, Y., David
- Subjects
Chronic atrophic gastritis ,Evolution - Abstract
Background: Long-term outcome of atrophic body and antral gastritis has not yet been clearly defined. AIM: To investigate the effects of H. pylori eradication among patients with gastric (GU) and duodenal (DU) ulcers and non-ulcer dyspepsia (NUD), with corpus atrophic gastritis(CAG) or antral atrophic gastritis(AAG) and to clarify is it eradication the only condition responsible for histological improvement. Methods: A total of 119(F/M 48/71 ; age 36-97 ; mean 59, 2) patients with CAG (70GU ; 32DU ; 17NUD) and 116 (F/M 60/56 ; age 21-78 ; mean 64, 9) with AAG (31GU ; 65DU ; 20NUD) were follow-up for 1-10-years after treatment. Each patient underwent endoscopy with four biopsies at the beginning and at every control. Results: After first year 93(78%) CAG-patients and 88(76%) AAG-patients were HP-negative. After period of 1, 2, 3-5, and 6-10-years CAG progressively disappeared and histology becomes normal in 72, 78, 88 and 95% respectively ; as well as in AAG: in 89, 89, 95 and 100% respectively. In every observational period patients with remaining CAG were statistically much more HP-positive then those with normalised histology (35, 43, 17 and 50% respectively in comparison to 16, 8, 12 and 11% respectively). In AAG situation was different ; after first year all patients with or without remaining atrophic gastritis were 23% H. pylori-positive, and after 2, and 3-5-years all patients with remaining atrophic gastritis were HP-negative, and others were HP-positive in 20, 13 and 6% respectively. Conclusion: Both, corpus and antral atrophic gastritis, improved after HP-eradication. HP-eradication is responsible for AAG improvement, less for CAG.
- Published
- 2007
33. Eradication of Helicobacter pylori infection in patients with diabetes mellitus
- Author
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Naumovski-Mihalić, Slavica, Katičić, Miroslava, Pavković, Paica, Čolić-Cvrlje, Vesna, Šabarić, Branka, Tićak, Mirjana, Prskalo, Marija, Čolić, Ana, and Graham. Y, David
- Subjects
Helicobacter pylori ,Diabetes mellitus ,endocrine system diseases ,nutritional and metabolic diseases ,macromolecular substances ,bacterial infections and mycoses - Abstract
Eradication of Helicobacter pylori infection in patients with diabetes mellitus
- Published
- 2003
34. The role of metabolic and bariatric surgery on the obesity pandemic in Latin America: A review of current practices and future directions.
- Author
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Castellanos LD, Anselmetti P, Acosta G AJ, Tomey D, Araujo-Contreras R, Puche E, Elzein S, Graham Y, Mahawar K, Marshall S, Abou-Mrad A, and Oviedo RJ
- Subjects
- Humans, Latin America epidemiology, Pandemics, Bariatric Surgery, Obesity surgery, Obesity epidemiology
- Abstract
Latin America faces a significant public health challenge due to the high prevalence of obesity and its associated diseases. Metabolic and bariatric surgery is effective and safe to treat obesity when other treatments fail; however, its implementation in Latin America remains unsatisfactory. This review explores the current status, challenges, and innovations of metabolic and bariatric surgery in Latin America. We searched peer-reviewed journals in English and Spanish for relevant articles published between 1998 and 2023. We found that more than 20% of the Latin American population is affected by obesity. Unfortunately, only a limited number of patients have access to metabolic and bariatric surgery due to high cost, limited availability, and shortage of specialists. The review found that ongoing clinical trials are being conducted in Brazil, Mexico, Chile, and Venezuela, indicating some regional progress. However, published studies remain low in number compared with other regions. Furthermore, we summarized the clinical outcomes, risks, and perioperative assessments associated with metabolic and bariatric surgery. We discussed potential strategies to enhance the availability and affordability of this intervention. This review emphasizes the significance of metabolic and bariatric surgery in addressing the obesity pandemic, specifically for Latin America, and proposes directions for future research and innovation., (© 2024 World Obesity Federation.)
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- 2024
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35. The ASGLOS Study: A global survey on how predatory journals affect scientific practice.
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Martinino A, Puri O, Pereira JPS, Owen E, Chatterjee S, Abouelazayem M, Yang W, Mulita F, Graham Y, Parmar C, Ramnarain D, Isik A, Yadav S, Budihal BR, Kashyap S, Aloulou M, Kundu M, Ibrahimli A, Rajesh E, Silva RGD, Bhatt G, Malhotra K, Magnani R, Smeenk FWJM, and Pouwels S
- Subjects
- Humans, Surveys and Questionnaires, Open Access Publishing, Publishing standards, Congresses as Topic, Physicians, Electronic Mail, Periodicals as Topic
- Abstract
Predatory journals and conferences are an emerging problem in scientific literature as they have financial motives, without guaranteeing scientific quality and exposure. The main objective of the ASGLOS project is to investigate the predatory e-email characteristics, management, and possible consequences and to analyse the extent of the current problem at each academic level. To collect the personal experiences of physicians' mailboxes on predatory publishing, a Google Form® survey was designed and disseminated from September 2021 to April 2022. A total of 978 responses were analysed from 58 countries around the world. A total of 64.8% of participants indicated the need for 3 or fewer emails to acquire a criticality view in distinguishing a real invitation from a spam, while 11.5% still have doubt regardless of how many emails they get. The AGLOS Study clearly highlights the problem of academic e-mail spam by predatory journals and conferences. Our findings signify the importance of providing academic career-oriented advice and organising training sessions to increase awareness of predatory publishing for those conducting scientific research., (© 2023 John Wiley & Sons Ltd.)
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- 2024
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36. Engaging Youth Voice and Family Partnerships to Improve Children's Mental Health Outcomes.
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Graham Y, Spencer AE, Velez GE, and Herbell K
- Subjects
- Humans, Child, Adolescent, Mental Disorders therapy, Parents psychology, Mental Health Services organization & administration
- Abstract
Promoting active participation of families and youth in mental health systems of care is the cornerstone of creating a more inclusive, effective, and responsive care network. This article focuses on the inclusion of parent and youth voice in transforming our mental health care system to promote increased engagement at all levels of service delivery. Youth and parent peer support delivery models, digital innovation, and technology not only empower the individuals involved, but also have the potential to enhance the overall efficacy of the mental health care system., Competing Interests: Disclosure No disclosures noted for all authors., (Copyright © 2024 Elsevier Inc. All rights reserved.)
- Published
- 2024
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37. Global 30-Day Morbidity and Mortality of Primary Bariatric Surgery Combined with Another Procedure: The BLEND Study.
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Martinino A, Nanayakkara KDL, Madhok B, Wong GYM, Abouelazayem M, Pereira JPS, Wazir I, Balasubaramaniam V, Said A, Marques C, Abdelbaeth A, Al-Shami K, Albashari M, Alkaseek A, Almayouf MA, Aloulou M, Alqahtan AR, Askari A, Attia MFA, Awad AK, Aykota MR, Bacalbasa N, Barrera-Rodriguez FJ, Benavoli D, Billa S, Borrelli V, Çalıkoğlu İ, Campanelli M, Carbajo MA, Chowdhury S, Cristin L, Dapri G, Dong Z, Elfawal MH, Elgazar A, Elhadi M, Gentileschi P, Graham Y, Haj B, Johnson JA, Kalmoush AM, Kamal A, Kamocka A, Khamees A, Lisi G, Hernandez EEL, Marinari GM, Martines G, Meric S, Mier F, Ali AM, Mohammed D, Mohamed KM, Mulita F, Musella M, O'Malley WE, Olmi S, Omarov T, Osama O, Perera HR, Piscitelli G, Poghosyan T, Ramírez D, Rezvani M, Ribeiro R, Sabbota A, Sakran N, Sawaftah KA, Schiavone K, Şen O, Sotiropoulou M, Tartaglia N, Tokocin M, Trotta M, Türkçapar AG, Uccelli M, Vargas C, Verras G-, Wang C, Wei Z, Yang W, Zerrweck C, Owen E, Gkoutos GV, Cardoso VR, Singhal R, and Mahawar K
- Abstract
Background: No robust data are available on the safety of primary bariatric and metabolic surgery (BMS) alone compared to primary BMS combined with other procedures., Objectives: The objective of this study is to collect a 30-day mortality and morbidity of primary BMS combined with cholecystectomy, ventral hernia repair, or hiatal hernia repair., Setting: This is as an international, multicenter, prospective, and observational audit of patients undergoing primary BMS combined with one or more additional procedures., Methods: The audit took place from January 1 to June 30, 2022. A descriptive analysis was conducted. A propensity score matching analysis compared the BLEND study patients with those from the GENEVA cohort to obtain objective evaluation between combined procedures and primary BMS alone., Results: A total of 75 centers submitted data on 1036 patients. Sleeve gastrectomy was the most commonly primary BMS (N = 653, 63%), and hiatal hernia repair was the most commonly concomitant procedure (N = 447, 43.1%). RYGB accounted for the highest percentage (20.6%) of a 30-day morbidity, followed by SG (10.5%). More than one combined procedures had the highest morbidities among all combinations (17.1%). Out of overall 134 complications, 129 (96.2%) were Clavien-Dindo I-III, and 4 were CD V. Patients who underwent a primary bariatric surgery combined with another procedure had a pronounced increase in a 30-day complication rate compared with patients who underwent only BMS (12.7% vs. 7.1%)., Conclusion: Combining BMS with another procedure increases the risk of complications, but most are minor and require no further treatment. Combined procedures with primary BMS is a viable option to consider in selected patients following multi-disciplinary discussion., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2024
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38. Novice Chinese Bariatric Nurses' Perceptions of Their Role as Bariatric Case Managers: A Qualitative Study.
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Li C, Gong X, Wei Z, Gao L, Graham Y, and Yang W
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- Humans, Qualitative Research, China, Case Managers, Obesity, Morbid surgery, Bariatrics, Nurses
- Abstract
Introduction: Bariatric case managers (BCM) are integral healthcare team members for patients undergoing bariatric surgery in China. As the demand for bariatric surgery increases in China, the number of BCMs has also risen. However, more is needed to know about the perceptions of novice bariatric nurses toward their role as case managers. This study aims to investigate the perceptions of novice Chinese bariatric nurses toward their roles during the early stages of their careers., Methods: This qualitative study employed semi-structured individual interviews with 15 novice bariatric nurses who received training as BCMs. The interviews were audio-recorded, transcribed line-by-line, and analyzed thematically. The study was conducted in a bariatric surgery center of a public tertiary hospital in Southern China., Results: Three themes emerged from the data related to the perceptions of being a BCM: "negotiating the ambiguity of the BCM role," "establishing a core set of behaviors for the BCM role," and "identifying areas of competence to develop a BCM role framework." The novice bariatric nurses expressed both positive and negative feelings toward their role. They highlighted the need for further training to improve their qualifications and the importance of support from colleagues, and hospital management., Conclusions: The findings illuminate the role of the BCM in China. Future research should investigate effective and acceptable job descriptions and cooperation modes between BCMs, colleagues and hospital management. We recommend using these findings to develop training programs for novice BCMs and improve their capacity to provide quality care to patients undergoing bariatric surgery., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2024
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39. Mind the gap! Factors that predict progression to bariatric surgery indicate that more psychological treatment may be required.
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Johnston L, Jackson K, Hilton C, and N H Graham Y
- Subjects
- Adult, Humans, Adolescent, Young Adult, Middle Aged, Aged, Obesity surgery, Comorbidity, Mental Health, Counseling, Bariatric Surgery adverse effects, Obesity, Morbid surgery
- Abstract
In the UK, the number of adults living with obesity is increasing. Bariatric surgery is an available treatment for those living with a BMI (kg/m
2 ) ≥40 and above, or ≥35 with obesity-related comorbidities. Guidelines highlight the importance of providing psychological support pre- and post-surgery owing to the complex psychopathology present in those living with obesity. There are a lack of studies examining which patients proceed to surgery and the factors that predict progression. Routine patient data were collected within one NHS regional service in the UK, comprising 733 patients between 3 August 2018 and 26 July 2019, aged between 17 and 76 years (M = 43.20, SD = 12.32). The only exclusion criteria were patients still awaiting a final decision for surgical outcome at the point of analysis (N = 29), which resulted in 704 patients included in analysis. Binary Logistic Regression revealed those who were more likely to progress to surgery had a lower-level use of maladaptive external substances; lower level of self-harm and/or suicidality, were older in age; had a lower BMI; and had less comorbidities than those who did not progress. Findings support existing literature in that bariatric patients often present with physical and mental health complexity. Two thirds of patients in this study did not progress to surgery. Service commissioning decisions meant that these patients did not have access to psychology treatment. Consequently, in cases where bariatric surgery is considered, a final treatment option and otherwise clinically appropriate, lack of access to specialist services may result in unmet patient need owing particularly to a lack of psychological treatment provision., (© 2023 The Authors. Clinical Obesity published by John Wiley & Sons Ltd on behalf of World Obesity Federation.)- Published
- 2024
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40. Malnutrition Following One-Anastomosis Gastric Bypass: a Systematic Review.
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Bandlamudi N, Holt G, Graham Y, O'Kane M, Singhal R, Parmar C, Sakran N, Mahawar K, Pouwels S, Potluri S, and Madhok B
- Subjects
- Humans, Gastrectomy methods, Retrospective Studies, Gastric Bypass methods, Obesity, Morbid surgery, Malnutrition etiology, Malnutrition surgery, Protein-Energy Malnutrition etiology
- Abstract
Severe malnutrition following one-anastomosis gastric bypass (OAGB) remains a concern. Fifty studies involving 49,991 patients were included in this review. In-hospital treatment for severe malnutrition was needed for 0.9% (n = 446) of patients. Biliopancreatic limb (BPL) length was 150 cm in five (1.1%) patients, > 150 cm in 151 (33.9%), and not reported in 290 (65%) patients. OAGB was revised to normal anatomy in 126 (28.2%), sleeve gastrectomy in 46 (10.3%), Roux-en-Y gastric bypass in 41 (9.2%), and shortening of BPL length in 17 (3.8%) patients. One hundred fifty-one (33.8%) patients responded to treatment; ten (2.2%) did not respond and was not reported in 285 (63.9%) patients. Eight (0.02%) deaths were reported. Standardisation of the OAGB technique along with robust prospective data collection is required to understand this serious problem., (© 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
- Published
- 2023
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41. Flexible regulation of representations on a drifting manifold enables long-term stable complex neuroprosthetic control.
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Natraj N, Seko S, Abiri R, Yan H, Graham Y, Tu-Chan A, Chang EF, and Ganguly K
- Abstract
The nervous system needs to balance the stability of neural representations with plasticity. It is unclear what is the representational stability of simple actions, particularly those that are well-rehearsed in humans, and how it changes in new contexts. Using an electrocorticography brain-computer interface (BCI), we found that the mesoscale manifold and relative representational distances for a repertoire of simple imagined movements were remarkably stable. Interestingly, however, the manifold's absolute location demonstrated day-to-day drift. Strikingly, representational statistics, especially variance, could be flexibly regulated to increase discernability during BCI control without somatotopic changes. Discernability strengthened with practice and was specific to the BCI, demonstrating remarkable contextual specificity. Accounting for drift, and leveraging the flexibility of representations, allowed neuroprosthetic control of a robotic arm and hand for over 7 months without recalibration. Our study offers insight into how electrocorticography can both track representational statistics across long periods and allow long-term complex neuroprosthetic control.
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- 2023
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42. Perceived impact of equality and equity in medical education by junior doctors in the UK.
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Massey L, Siddiqui MR, Shirazi S, Hayes C, Graham Y, and Vig S
- Subjects
- Humans, England, Medical Staff, Hospital, Health Education, Attitude of Health Personnel, United Kingdom, Education, Medical
- Abstract
This exploratory study was undertaken to provide an insight into issues of equality and equity that UK junior doctors perceive in relation to being able to achieve a work-life balance within educational and clinical practice. A survey with 443 junior doctors was conducted between May 2018 and September 2019. Thematic analysis of open question responses alongside correlative analyses were used to highlight issues in equity and equality faced by junior doctors. The survey revealed 77% were junior doctors in Health Education England (HEE) posts. 59% were noti n personal relationships, 60% had no children, 38% perceived the national recruitment process as helpful and 70% perceived HEE did not impact on their training. 72% had no personal barriers and 77% felt the role eas not a barrier. 1% identified no barriers. The research raised important implications for redress of equality and equity issues for all within inclusive postgraduate training in the UK., (© The Author(s) 2022. Published by Oxford University Press on behalf of Postgraduate Medical Journal. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
- Published
- 2023
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43. The First Modified Delphi Consensus-Building Exercise on Surgical Ward Rounds in the United Kingdom National Health Service.
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Amr B, Omar I, Abdelrahman M, Abdalkoddus M, Abou El Ella Y, Abouelazayem M, Abubakr MOA, Andrews S, Awad S, Bunting D, Callejas-Diaz L, Cambridge WA, Carr W, Chesworth A, Courtney MJ, Edge J, Froghi F, Gilliam A, Graham Y, Harwood S, Hollyman M, Kimble A, Kotb A, Majithia R, Mallinson S, Metcalfe N, O'Kane M, Parmar C, Saiyed S, Shaban M, Singhal R, Trewin L, Wadhawan H, and Mahawar K
- Subjects
- Humans, Consensus, Delphi Technique, United Kingdom, State Medicine
- Abstract
Background: The ward round is an integral part of everyday surgical practice. It is a complex clinical activity that requires both sound clinical management and communication skills. This study reports the results of a consensus-building exercise on the common aspects of the general surgical ward rounds., Methods: The consensus-building committee involving a range of stakeholders from 16 United Kingdom (UK) National Health Service trusts took part in this consensus exercise. The members discussed and suggested a series of statements concerning surgical ward round. An agreement of ≥ 70% among members was regarded as a consensus., Results: Thirty-two members voted on 60 statements. There was a consensus on fifty-nine statements after the first round of voting, and one statement was modified before it reached consensus in the second round. The statements covered nine sections: a preparation phase, team allocation, multidisciplinary approach to the ward round, structure of the round, teaching considerations, confidentiality and privacy, documentation, post-round arrangements, and weekend round. There was a consensus on spending time to prepare for the round, a consultant-led round, involvement of the nursing staff, an MDT round at the beginning and end of the week, a minimum of 5 min allocated to each patient, utilisation of a round checklist, afternoon virtual round, and a clear handover and plan for the weekend., Conclusion: The consensus committee achieved agreement on several aspects concerning the surgical ward rounds in the UK NHS. This should help improve the care of surgical patients in the UK., (© 2023. The Author(s) under exclusive licence to Société Internationale de Chirurgie.)
- Published
- 2023
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44. Pressure ulcer prevention in practice.
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Hayes C, Fox A, Scott-Thomas J, and Graham Y
- Subjects
- Humans, Longitudinal Studies, Health Personnel education, England, Benchmarking, Pressure Ulcer prevention & control
- Abstract
Pressure ulcer avoidance in the context of care has the potential to improve the quality and longevity of lives for those living in residential and non-residential care home settings. This paper reports on an educational intervention in the North East of England, which focused on the initial benchmarking of self-reported knowledge levels of healthcare workers, who regularly work with people living within this context. Using a longitudinal study design, a series of three questionnaires were used to collate data from research participants. The study revealed a disparity between what healthcare workers perceived their knowledge to be versus what it was, in terms of application to practice at the front line of patient care. The study reveals that confidence levels in dealing with pressure ulceration had been significantly altered by the training session that was being implemented. It also raised concerns on the methodological approaches being used in the education and training of care staff, which should ideally lead them to be proactive with patients in their care. The study provides an insight into the need for a strategic and targeted approach to pressure ulceration avoidance education, which is tailored to individual learning needs through supervision and mentorship as part of clinical education.
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- 2023
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45. Global trends in BMS research using publication as a surrogate marker: A 30 year review.
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Jerome E, Giet L, Wiggins T, Graham Y, Pouwels S, Rajeev Y, Madhok B, Bhandari M, Ahmed S, Ludwig C, Hanif W, Mahawar K, and Singhal R
- Subjects
- Humans, Biomarkers, Gastrectomy methods, Retrospective Studies, Treatment Outcome, Biomedical Research, Bariatric Surgery trends, Gastric Bypass methods, Laparoscopy methods, Obesity, Morbid surgery
- Abstract
Obesity is a global pandemic with increasing prevalence and long-term negative health outcomes. Bariatric metabolic surgery (BMS) is the most effective treatment option for achieving long-term weight loss. A systematic search was performed from 1990 to 2020 of BMS procedures using standardised groups. Data were collected on operation type reported, country and continent of publication. North America and Europe were the leading contributors to global publications in BMS, producing 41.3 % (n = 4931) and 37.1 % (n = 4436) of publications respectively, with increasing publications from Asia. Roux-en-Y Gastric Bypass (RYGB) and Sleeve Gastrectomy (SG) were the most studied procedure types with number of publications continuing to increase over time. A plateau and downward trend was seen for Laparoscopic Adjustable Gastric Band (LAGB) publication from 2015 to 2019. An increase in emerging/experimental techniques over the past decade is observed., Competing Interests: Declaration of Competing Interest KM has been paid honoraria by various NHS trusts and Ethicon®, Medtronic®, Gore Inc®, and Olympus® for educational activities related to bariatric surgery. Other Authors have no conflicts of interest., (Copyright © 2023 Asia Oceania Association for the Study of Obesity. Published by Elsevier Ltd. All rights reserved.)
- Published
- 2023
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46. The forgotten patient: A psychological perspective on the implementation of bariatric surgery guidelines.
- Author
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Johnston L, Jackson K, Hilton C, and Graham Y
- Abstract
There is strong evidence demonstrating the impact of bariatric surgery on weight-loss and comorbidity improvement. In the UK, there is specific guidance to facilitate the assessment of a person's suitability for bariatric surgery. This paper highlights the clinical reality of routinely implementing this guidance, supported by literature and the perspectives of practicing psychologists. The consequences of the implementation of clinical guidelines within the context of the typical biopsychosocial profile of those referred for bariatric surgery are discussed. The ramifications of a screening approach rather than a clinical formulation-based approach to assessment, impact of a possible unconscious bias in commissioning and an overemphasis on a biomedical model approach to treatment are also presented. These contextual factors are argued to contribute to a population of "forgotten patients" that is, patients who have been assessed as not suitable for bariatric surgery, and thus "stuck" in their journey toward better health. For these individuals the only option left are energy balance only approaches, which are the very same approaches to weight-loss and comorbidity improvement that have been attempted, often for many years. Not only have these approaches not resulted in weight-loss and health improvement, they also fail to address the underlying psychological causes of obesity. Consequently, this lack of support means that patients continue to suffer from poor quality of life, with no clear pathway to improved health and wellbeing. This paper illuminates the clear gaps in weight management service provision, the implementation of guidelines in practice, and offers practical suggestions to reduce the unintended consequences of clinical guidelines for bariatric surgery., Competing Interests: The authors have no conflict of interest to declare., (© 2023 The Authors. Obesity Science & Practice published by World Obesity and The Obesity Society and John Wiley & Sons Ltd.)
- Published
- 2023
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47. Nutritional and Lifestyle Behaviors Reported Following One Anastomosis Gastric Bypass Based on a Multicenter Study.
- Author
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Sherf-Dagan S, Biton R, Ribeiro R, Kessler Y, Raziel A, Rossoni C, Kais H, Bragança R, Santos Z, Goitein D, Viveiros O, Graham Y, Mahawar K, Sakran N, and Ben-Porat T
- Subjects
- Female, Humans, Adult, Middle Aged, Male, Surveys and Questionnaires, Retrospective Studies, Life Style, Gastric Bypass, Obesity, Morbid surgery, Bariatric Surgery
- Abstract
This study aimed to describe nutritional and lifestyle parameters following one-anastomosis gastric bypass (OAGB). A multicenter study among OAGB patients across Israel ( n = 277) and Portugal ( n = 111) was performed. Patients were approached according to the time elapsed since surgery. An online survey with information regarding demographics, anthropometrics, and nutritional and lifestyle aspects was administered in both countries simultaneously. Respondents from Israel (pre-surgery age of 41.6 ± 11.0 years, 75.8% females) and Portugal (pre-surgery age of 45.6 ± 12.3 years, 79.3% females) reported changes in their appetite (≤94.0% and ≤94.6%), changes in their taste (≤51.0 and ≤51.4%), and intolerance to specific foods (i.e., red meat, pasta, bread, and rice). Bariatric surgery-related eating recommendations were generally followed well, but a trend toward lower adherence was evident in groups with longer time elapsed since surgery in both countries. Most respondents from Israel and Portugal reported participation in follow-up meetings with a surgeon (≤94.0% and 100%) and a dietitian (≤92.6% and ≤100%), while far fewer reported participation in any follow-up meeting with a psychologist/social worker (≤37.9% and ≤56.1%). Patients following OAGB might experience changes in appetite, taste, and intolerance to specific foods. Adherence to bariatric surgery-related eating recommendations is not always satisfying, especially in the longer term post-surgery.
- Published
- 2023
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48. Developing a long-term follow up service for bariatric surgical patients in the community: Patient and professional perspectives.
- Author
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Graham Y, Fox A, Mahawar K, Parrott J, Khalil F, and Hayes C
- Abstract
Background: In the UK, bariatric surgical patients are followed up for 2 years post-operatively in hospital settings, before being discharged into General Practice for long-term follow-up. Presently, there is ambiguous guidance as to what should be included in a community-based bariatric surgical follow-up service. The aim of the study was to understand, from both patient and professional perspectives, what is needed to support the long-term management of bariatric surgical patients in community-based settings., Methods: Post-surgical bariatric patients and General Practice staff were recruited from an area in the UK which has an National Health Service (NHS) hospital providing a high-volume and established bariatric surgical service. Data was collected through semi-structured interviews. A thematic analytic framework was used to construct eight themes which illuminated the participants' experiences. The study took place between March and December 2021., Findings: Thirty participants (14 patients and 16 healthcare professionals) were recruited to the study. The study revealed the lack of a framework for delivery of a long-term follow up service was frustrating to both patients and professionals. Patient participants reported needing more support, especially dietetic and psychological input, and professionals stated they had little knowledge about bariatric surgical care, and what was needed to provide optimal care, but wanted to provide quality patient care., Conclusion: Long-term follow up of bariatric surgical patients is an important issue which needs addressing. This study illuminates both the patient and professional perspectives on developing a pragmatic, community-based service which meets the needs of patients and considers the need to incorporate such a service into existing infrastructures without adding additional demands on General Practice., Competing Interests: No authors have any conflict of interest to disclose., (© 2023 The Authors. Obesity Science & Practice published by World Obesity and The Obesity Society and John Wiley & Sons Ltd.)
- Published
- 2023
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49. Gastrointestinal reported outcomes following one anastomosis gastric bypass based on a multicenter study.
- Author
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Sherf-Dagan S, Biton R, Ribeiro R, Kessler Y, Ben-Porat T, Raziel A, Rossoni C, Kais H, Bragança R, Santos Z, Goitein D, Viveiros O, Graham Y, Mahawar K, and Sakran N
- Subjects
- Female, Humans, Adult, Middle Aged, Male, Flatulence, Diarrhea, Patient Reported Outcome Measures, Retrospective Studies, Gastric Bypass adverse effects, Obesity, Morbid surgery, Dyspepsia epidemiology, Dyspepsia etiology
- Abstract
Objectives: To describe gastrointestinal-related side-effects reported following the One Anastomosis Gastric Bypass (OAGB)., Methods: A multicenter study among OAGB patients across Israel ( n = 277) and Portugal ( n = 111) who were recruited to the study based on time elapsed since surgery was performed. An online survey with information on demographics, anthropometrics, medical conditions, and gastrointestinal outcomes was administered in both countries simultaneously., Results: Respondents from Israel (pre-surgery age of 41.6 ± 11.0 years, 75.8% females) and Portugal (pre-surgery age of 45.6 ± 12.3 years, 79.3% females) presented mean excess weight loss of 51.0 ± 19.9 and 62.4 ± 26.5%, 89.0 ± 22.0 and 86.2 ± 21.4%, and 89.9 ± 23.6 and 98.2 ± 20.9% ( P < 0.001 for both countries), at 1-6 months, 6-12 months, and 1-5 years post-surgery, respectively. Median Gastrointestinal Symptom Rating Scale score was similar between time elapsed since surgery groups among respondents from Israel and Portugal (≤1.97 and ≤2.12). A notable proportion of respondents from Israel and Portugal at all time points reported 1-3 bowel movements per day (≤62.8 and ≤87.6%), Bristol stool scale categories which represent diarrhea-like stools (≤51.9 and ≤56.3%), having discomfort due to flatulence (≤79.4 and ≤90.2%), and mild to severe dyspepsia symptoms (≤50.5 and ≤73.0%)., Conclusions: A notable proportion of OAGB patients might experience certain gastrointestinal symptoms postoperatively, including flatulence, dyspepsia, and diarrhea-like stools.
- Published
- 2023
- Full Text
- View/download PDF
50. Handling of the Covid-19 Pandemic and Its Effects on Bariatric Surgical Practice: Analysis of GENEVA Study Database.
- Author
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Singhal R, Wiggins T, Pouwels S, Rajeev Y, Madhok B, Hanif W, Tahrani AA, Graham Y, Ludwig C, and Mahawar K
- Subjects
- Humans, Pandemics, SARS-CoV-2, Cohort Studies, Surveys and Questionnaires, COVID-19 epidemiology, Obesity, Morbid surgery, Bariatrics
- Abstract
Background: The coronavirus disease 2019 (COVID-19) pandemic led to a worldwide suspension of bariatric and metabolic surgery (BMS) services. The current study analyses data on patterns of service delivery, recovery of practices, and protective measures taken during the COVID-19 pandemic by bariatric teams., Materials and Methods: The current study is a subset analysis of the GENEVA study which was an international cohort study between 01/05/2020 and 31/10/2020. Data were specifically analysed regarding the timing of BMS suspension, patterns of service recovery, and precautionary measures deployed., Results: A total of 527 surgeons from 439 hospitals in 64 countries submitted data regarding their practices and handling of the pandemic. Smaller hospitals (with less than 200 beds) were able to restart BMS programmes more rapidly (time to BMS restart 60.8 ± 38.9 days) than larger institutions (over 2000 beds) (81.3 ± 30.5 days) (p = 0.032). There was a significant difference in the time interval between cessation/reduction and restart of bariatric services between government-funded practices (97.1 ± 76.2 days), combination practices (84.4 ± 47.9 days), and private practices (58.5 ± 38.3 days) (p < 0.001). Precautionary measures adopted included patient segregation, utilisation of personal protective equipment, and preoperative testing. Following service recovery, 40% of the surgeons operated with a reduced capacity. Twenty-two percent gave priority to long waiters, 15.4% gave priority to uncontrolled diabetics, and 7.6% prioritised patients requiring organ transplantation., Conclusion: This study provides global, real-world data regarding the recovery of BMS services following the COVID-19 pandemic., (© 2022. The Author(s).)
- Published
- 2022
- Full Text
- View/download PDF
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