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Kringle EA, Tucker D, Wu Y, Lv N, Kannampallil T, Barve A, Dosala S, Wittels N, Dai R, Ma J. Associations between daily step count trajectories and clinical outcomes among adults with comorbid obesity and depression. Ment Health Phys Act 2023; 24:100512. [PMID: 37206660 PMCID: PMC10191421 DOI: 10.1016/j.mhpa.2023.100512] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
Purpose To examine the relationship between features of daily measured step count trajectories and clinical outcomes among people with comorbid obesity and depression in the ENGAGE-2 Trial. Methods This post hoc analysis used data from the ENGAGE-2 trial where adults (n=106) with comorbid obesity (BMI ≥30.0 or 27.0 if Asian) and depressive symptoms (Patient Health Questionnaire-9 score ≥10) were randomized (2:1) to receive the experimental intervention or usual care. Daily step count trajectories over the first 60 days (Fitbit Alta HR) were characterized using functional principal component analyses. 7-day and 30-day trajectories were also explored. Functional principal component scores that described features of step count trajectories were entered into linear mixed models to predict weight (kg), depression (Symptom Checklist-20), and anxiety (Generalized Anxiety Disorder Questionnaire-7) at 2-months (2M) and 6-months (6M). Results Features of 60-day step count trajectories were interpreted as overall sustained high, continuous decline, and disrupted decline. Overall sustained high step count was associated with low anxiety (2M, β=-0.78, p<.05; 6M, β=-0.80, p<.05) and low depressive symptoms (6M, β=-0.15, p<.05). Continuous decline in step count was associated with high weight (2M, β=0.58, p<.05). Disrupted decline was not associated with clinical outcomes at 2M or 6M. Features of 30-day step count trajectories were also associated with weight (2M, 6M), depression (6M), and anxiety (2M, 6M); Features of 7-day step count trajectories were not associated with weight, depression, or anxiety at 2M or 6M. Conclusions Features of step count trajectories identified using functional principal component analysis were associated with depression, anxiety, and weight outcomes among adults with comorbid obesity and depression. Functional principal component analysis may be a useful analytic method that leverages daily measured physical activity levels to allow for precise tailoring of future behavioral interventions.
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Affiliation(s)
| | - Danielle Tucker
- Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago
| | - Yichao Wu
- Department of Mathematics, Statistics, and Computer Science, University of Illinois at Chicago
| | - Nan Lv
- Department of Medicine, University of Illinois at Chicago
| | - Thomas Kannampallil
- Department of Anesthesiology, School of Medicine, Washington University in St. Louis
| | - Amruta Barve
- Department of Medicine, University of Illinois at Chicago
| | | | - Nancy Wittels
- Department of Medicine, University of Illinois at Chicago
| | - Ruixuan Dai
- Department of Computer Science and Engineering, McKelvey School of Engineering, Washington University in St. Louis
| | - Jun Ma
- Department of Medicine, University of Illinois at Chicago
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Esperanza RA, Evans A, Tucker D, Paranjothy S, Hurt L. Hospital admissions in infants with Down syndrome: a record-linked population-based cohort study in Wales. J Intellect Disabil Res 2022; 66:225-239. [PMID: 34859911 PMCID: PMC9376940 DOI: 10.1111/jir.12903] [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] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Despite recent advances, mortality in children with Down syndrome remains five times higher than in the general population. This study aims to describe the burden, patterns and causes of hospital admissions in infants with Down syndrome, and compare this with infants without Down syndrome in a population-based cohort. METHODS This study used data from the Wales Electronic Cohort for Children, a cohort of all children born in Wales between 1990 and 2012. The cohort was generated from routine administrative data, linked to create an anonymised data set within the Secure Anonymised Information Linkage databank. This analysis is based on all infants born between January 2003 and January 2012 who were followed to their first birthday, a move out of Wales, death, or until 31 October 2012 (end of follow-up). Infants with Down syndrome were identified using the Congenital Anomaly Register and Information Service in Wales. Multivariable Cox regression was used to compare the time to first hospital admission. Admission codes were used to identify the commonest indications for hospitalisation and to determine the presence of other congenital anomalies. RESULTS We included 324 060 children, 356 of whom had Down syndrome. Of infants with Down syndrome, 80.3% had at least one hospital inpatient admission during the first year of life, compared with 32.9% of infants without Down syndrome. These first admissions were earlier [median of 6 days interquartile range (IQR) (3, 72) compared with 45 days [IQR 6, 166)] and longer [median of 4 days (IQR 1, 15) compared with 1 day (IQR 0, 3)] than in infants without Down syndrome. The most common causes of admissions were congenital abnormalities, respiratory diseases, conditions originating in the perinatal period and infectious diseases. The presence of other congenital abnormalities increased hospitalisations in all infants, but more so in infants with Down syndrome who spent a median of 21 days in hospital (IQR 11, 47) during their first year of life. CONCLUSION Infants with Down syndrome are at high risk for early, more frequent and longer hospital admissions. Congenital heart disease and respiratory infections remain a major burden in this population. More research is needed to understand how to better manage these conditions particularly in the first month of life when most admissions occur.
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Affiliation(s)
- R. A. Esperanza
- School of MedicineCardiff UniversityCardiffUK
- Cwm Taf Morgannwg University Health BoardMerthyr TydfilUK
| | - A. Evans
- Division of Population Medicine, School of MedicineCardiff UniversityCardiffUK
| | - D. Tucker
- Congenital Anomaly Register and Information ServicePublic Health WalesSwanseaUK
| | - S. Paranjothy
- Division of Population Medicine, School of MedicineCardiff UniversityCardiffUK
- Centre for Health Data ScienceUniversity of AberdeenAberdeenUK
| | - L. Hurt
- Division of Population Medicine, School of MedicineCardiff UniversityCardiffUK
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Loane M, Given JE, Tan J, Reid A, Akhmedzhanova D, Astolfi G, Barišić I, Bertille N, Bonet LB, Carbonell CC, Carollo OM, Coi A, Densem J, Draper E, Garne E, Gatt M, Glinianaia SV, Heino A, Hond ED, Jordan S, Khoshnood B, Kiuru-Kuhlefelt S, Klungsøyr K, Lelong N, Lutke LR, Neville AJ, Ostapchuk L, Puccini A, Rissmann A, Santoro M, Scanlon I, Thys G, Tucker D, Urhoj SK, de Walle HEK, Wellesley D, Zurriaga O, Morris JK. Linking a European cohort of children born with congenital anomalies to vital statistics and mortality records: A EUROlinkCAT study. PLoS One 2021; 16:e0256535. [PMID: 34449798 PMCID: PMC8396745 DOI: 10.1371/journal.pone.0256535] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/09/2021] [Indexed: 11/19/2022] Open
Abstract
EUROCAT is a European network of population-based congenital anomaly (CA) registries. Twenty-one registries agreed to participate in the EUROlinkCAT study to determine if reliable information on the survival of children born with a major CA between 1995 and 2014 can be obtained through linkage to national vital statistics or mortality records. Live birth children with a CA could be linked using personal identifiers to either their national vital statistics (including birth records, death records, hospital records) or to mortality records only, depending on the data available within each region. In total, 18 of 21 registries with data on 192,862 children born with congenital anomalies participated in the study. One registry was unable to get ethical approval to participate and linkage was not possible for two registries due to local reasons. Eleven registries linked to vital statistics and seven registries linked to mortality records only; one of the latter only had identification numbers for 78% of cases, hence it was excluded from further analysis. For registries linking to vital statistics: six linked over 95% of their cases for all years and five were unable to link at least 85% of all live born CA children in the earlier years of the study. No estimate of linkage success could be calculated for registries linking to mortality records. Irrespective of linkage method, deaths that occurred during the first week of life were over three times less likely to be linked compared to deaths occurring after the first week of life. Linkage to vital statistics can provide accurate estimates of survival of children with CAs in some European countries. Bias arises when linkage is not successful, as early neonatal deaths were less likely to be linked. Linkage to mortality records only cannot be recommended, as linkage quality, and hence bias, cannot be assessed.
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Affiliation(s)
- M. Loane
- Faculty of Life and Health Sciences, Ulster University, Northern Ireland, United Kingdom
| | - J. E. Given
- Faculty of Life and Health Sciences, Ulster University, Northern Ireland, United Kingdom
| | - J. Tan
- Population Health Research Institute, St George’s, University of London, London, United Kingdom
| | - A. Reid
- Population Health Research Institute, St George’s, University of London, London, United Kingdom
| | - D. Akhmedzhanova
- OMNI-Net for Children International Charitable Fund, Rivne Regional Medical Diagnostic Center, Rivne, Ukraine
| | - G. Astolfi
- Emilia Romagna Registry of Birth Defects, University Hospital of Ferrara, Ferrara, Italy
| | - I. Barišić
- Klinika za dječje bolesti, Zagreb, Croatia
| | - N. Bertille
- Institut National de la Santé et de la Recherche Médicale, Paris, France
| | - L. B. Bonet
- Rare Diseases Research Unit, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, Valencia, Spain
| | - C. C. Carbonell
- Rare Diseases Research Unit, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, Valencia, Spain
| | | | - A. Coi
- Unit of Epidemiology of Rare Diseases and Congenital Anomalies, Institute of Clinical Physiology, National Research Council, Pisa, Italy
| | - J. Densem
- Biomedical Computing Limited, Battle, United Kingdom
| | - E. Draper
- East Midlands & South Yorkshire Congenital Anomaly Registry, University of Leicester, Leicester, United Kingdom
| | - E. Garne
- Hospital Lillebaelt, Region Syddanmark, Denmark
| | - M. Gatt
- Directorate for Health Information and Research, G’Mangia, Malta
| | - S. V. Glinianaia
- Faculty of Medical Sciences, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - A. Heino
- Finnish Institute for Health and Welfare, Helsinki, Finland
| | - E. Den Hond
- Provinciaal Instituut voor Hygiëne (PIH), Antwerpen, Belgium
| | - S. Jordan
- Swansea University, Wales, United Kingdom
| | - B. Khoshnood
- Institut National de la Santé et de la Recherche Médicale, Paris, France
| | | | - K. Klungsøyr
- Division of Mental and Physical Health, Department of Global Public Health and Primary Care, Norwegian Institute of Public Health, University of Bergen, Bergen, Norway
| | - N. Lelong
- Institut National de la Santé et de la Recherche Médicale, Paris, France
| | - L. R. Lutke
- Department of Genetics, University Medical Center, University of Groningen, Groningen, The Netherlands
| | - A. J. Neville
- Emilia Romagna Registry of Birth Defects, University Hospital of Ferrara, Ferrara, Italy
| | - L. Ostapchuk
- OMNI-Net for Children International Charitable Fund, Rivne Regional Medical Diagnostic Center, Rivne, Ukraine
| | - A. Puccini
- Territorial Care Service, Emilia Romagna Health Authority, Bologna, Italy
| | - A. Rissmann
- Medical Faculty Otto-von-Guericke, Malformation Monitoring Centre Saxony-Anhalt, University Magdeburg, Magdeburg, Germany
| | - M. Santoro
- Unit of Epidemiology of Rare Diseases and Congenital Anomalies, Institute of Clinical Physiology, National Research Council, Pisa, Italy
| | - I. Scanlon
- Swansea University, Wales, United Kingdom
| | - G. Thys
- Provinciaal Instituut voor Hygiëne (PIH), Antwerpen, Belgium
| | - D. Tucker
- Public Health Wales, Wales, United Kingdom
| | - S. K. Urhoj
- Section of Epidemiology, University of Copenhagen, Copenhagen, Denmark
| | - H. E. K. de Walle
- Department of Genetics, University Medical Center, University of Groningen, Groningen, The Netherlands
| | - D. Wellesley
- Wessex Clinical Genetics Service, Princess Anne Hospital, Southampton, United Kingdom
| | - O. Zurriaga
- Rare Diseases Research Unit, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, Valencia, Spain
| | - J. K. Morris
- Population Health Research Institute, St George’s, University of London, London, United Kingdom
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Griffiths R, Schlüter DK, Akbari A, Cosgriff R, Tucker D, Taylor-Robinson D. Identifying children with Cystic Fibrosis in population-scale routinely collected data in Wales: A Retrospective Review. Int J Popul Data Sci 2020; 5:1346. [PMID: 33644411 PMCID: PMC7898022 DOI: 10.23889/ijpds.v5i1.1346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION The challenges in identifying a cohort of people with a rare condition can be addressed by routinely collected, population-scale electronic health record (EHR) data, which provide large volumes of data at a national level. This paper describes the challenges of accurately identifying a cohort of children with Cystic Fibrosis (CF) using EHR and their validation against the UK CF Registry. OBJECTIVES To establish a proof of principle and provide insight into the merits of linked data in CF research; to identify the benefits of access to multiple data sources, in particular the UK CF Registry data, and to demonstrate the opportunity it represents as a resource for future CF research. METHODS Three EHR data sources were used to identify children with CF born in Wales between 1st January 1998 and 31st August 2015 within the Secure Anonymised Information Linkage (SAIL) Databank. The UK CF Registry was later acquired by SAIL and linked to the EHR cohort to validate the cases and explore the reasons for misclassifications. RESULTS We identified 352 children with CF in the three EHR data sources. This was greater than expected based on historical incidence rates in Wales. Subsequent validation using the UK CF Registry found that 257 (73%) of these were true cases. Approximately 98.7% (156/158) of individuals identified as CF cases in all three EHR data sources were confirmed as true cases; but this was only the case for 19.8% (20/101) of all those identified in just a single data source. CONCLUSION Identifying health conditions in EHR data can be challenging, so data quality assurance and validation is important or the merit of the research is undermined. This retrospective review identifies some of the challenges in identifying CF cases and demonstrates the benefits of linking cases across multiple data sources to improve quality.
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Affiliation(s)
- R Griffiths
- Swansea University Medical School, Swansea University
- Health Data Research UK
| | - DK Schlüter
- Department of Public Health and Policy, University of Liverpool, Liverpool L69 7ZX
| | - A Akbari
- Swansea University Medical School, Swansea University
- Health Data Research UK
- Administrative Data Research Wales
| | - R Cosgriff
- Cystic Fibrosis Trust, One Aldgate, London EC3N 1R
| | - D Tucker
- Public Health Wales, Capital Quarter 2, Tyndall Street, Cardiff. CF10 4BZ\break † Joint First Authors
| | - D Taylor-Robinson
- Department of Public Health and Policy, University of Liverpool, Liverpool L69 7ZX
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Li Y, Ahmed H, Dall’ara E, Sullivan N, Liem Y, Tucker D, Fry C, Ooij BV, Blom A, Sharif M. AB0076 SPATIAL VARIATIONS OF BONE MICROARCHITECTURE AND MINERALIZATION IN HIP OSTEOARTHRITIS AND OSTEOPOROSIS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:The pattern of changes in bone microarchitecture and mineralisation are distinctly different in osteoarthritis (OA) and osteoporosis (OP). However, the pathogenesis of OA is closely related with OP, making subchondral bone a promising target for OA treatment [1]. A detailed comparison of subchondral bone in OA and OP may help understand the relationship of the two diseases.Objectives:To carry out a comprehensive analysis of regional and compartmental variations in subchondral bone architecture and mineralisation in OA and OP.Methods:Femoral heads were collected from patients undergoing hip arthroplasty surgeries for hip OA (N=16) or osteoporotic fracture (N=7). For OP group, osteochondral plugs were collected from fixed sites: anterior, posterior and superior. For OA group, an optimised sampling procedure, based on a new macroscopic grading method and modified OARSI microscopic grading system, was used to collect plugs from regions with varying severity of cartilage degradation. Plugs were scanned by micro CT (voxel size 4.88µm). Regions of interest for cortical plate (Ct) and trabecular bone (Tb) were segmented from reconstructed images using semi-automatic approach. Densitometric (tissue and bone mineral density: TMD and BMD) and architectural parameters (cortical plate thickness (Ct.Th), trabecular bone volume fraction (BV/TV), trabecular thickness (Tb.Th), etc.) were measured using commercially available software. Unmatched inter-group regional comparisons were made between OA microscopic grades (1 to 4) and OP. Matched intra-sample regional analysis was made between ‘mild’ (Grade 1 and/or 2) and ‘severe’ (Grade 3 and/or 4) OA. TMD was also subjected to paired comparison between cortical (Ct.TMD) and trabecular (Tb.TMD) compartments. Correlations between densitometric and architectural parameters were also explored.Results:Regional analysis showed that Tb.TMD in OA Grade 3 and 4 was significantly lower than in OP and Grade 1 and 2, while Tb.TMD in OP was not significantly different from OA Grade 1 and 2 (Fig 1A, F). Ct.TMD in OA Grade 4 was significantly lower than in OP, but no difference was found in other comparisons (Fig 1B, G). For BMD of trabecular bone (Tb.BMD) and architectural parameters including BV/TV and Ct.Th, values for OA Grade 3 and/or 4 were significantly higher than OP and Grade 1 and/or 2, but the difference between OP and Grade 1 and 2 was not significant (Fig 1C-E, H-J). Compartmental analysis showed that Ct.TMD was significantly lower than Tb.TMD in all groups (Table I). Tb.TMD was inversely correlated with Tb.BMD and BV/TV in both OA and OP; Ct.TMD and Tb.TMD were inversely associated with Ct.Th and Tb.Th respectively in OA (Table II).Conclusion:In both OA and OP, material density (TMD) of cortical plate was lower than trabecular bone. In hip OA, densitometric and architectural changes of subchondral cortical and trabecular bone were related to severity of cartilage degradation. In OA trabecular bone, the decrease in material density was compensated by increased bone volume, leading to higher apparent density (BMD); while in OP, loss of bone volume was correlated with, but not compensated by increased mineralisation, leading to lower apparent density.References:[1]Castaneda, S., et al. Biochem. Pharmacol., 2012Table 1.Compartmental comparison of TMDOPOA Grade1234Ct.TMD1.19±0.071.18±0.091.15±0.061.16±0.061.12±0.07Tb.TMD1.34±0.06****1.37±0.10****1.33±0.07****1.22±0.06*1.19±0.09*Table 2.Correlation analysisOPOAPR2SlopePR2SlopeTb.TMD - BV/TV< 0.00010.69-0.01< 0.00010.84-0.01Tb.BMD - BV/TV< 0.00010.950.02< 0.00010.960.01Tb.BMD - Tb.TMD< 0.00010.60-1.25< 0.00010.81-1.37Ct.TMD - Ct.Thns0.00090.19-0.33Tb.TMD - Tb.Thns< 0.00010.55-1.97Acknowledgments:China Scholarship CouncilDisclosure of Interests:None declared
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Abstract
Purpose
The purpose of this paper is to explore the effect of “multiplex” (multiple overlapping) networks and leadership on group performance in a higher education setting.
Design/methodology/approach
Using a combination of social network analysis and interviews, the authors employ a case study approach to map the connections between academic group members. This paper analyses the relationship between this mapping and academic performance.
Findings
The authors identified two dimensions which influence group effectiveness: multiplex networks and distributed–coordinated leadership. Where networks are built across tasks, inter-relationships develop that lead to greater group performance.
Practical implications
Where group members create a dense hive of interconnectivity and are active across all group tasks, and also informally, this increases the opportunity for knowledge sharing. When this is similarly experienced by a majority of group members, there is positive reinforcement, resulting in greater group effectiveness.
Originality/value
This paper highlights the importance of the richness of formal ties in knowledge-intensive settings. This paper is the first to differentiate between formal connections between colleagues related to different tasks within their role. This suggests that dense configurations of informal ties are insufficient; they must be coupled with strong ties around formal activity and demonstrative leadership.
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Wall K, Kerth C, Hicks Z, Tucker D. Evaluation of Beef Steak Exudate Differing in Quality Grade and Post-Mortem Aging Time. Meat and Muscle Biology 2019. [DOI: 10.22175/mmb.10803] [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: 11/03/2022] Open
Abstract
ObjectivesEvaluate absorbance and metabolite differences of beef exudate from raw beef steaks differing in quality grade and post-mortem aging time.Materials and MethodsUSDA Select (SE; n = 18) and USDA Choice (CH; n = 18) beef strip loins were aged for 7d, cut into 2.54 cm thick steaks, and randomly assigned a post-mortem aging duration of either 10 or 20d post-mortem (n = 72 total). Steaks were individually packaged on d7 and frozen on the assigned day at –20°C until time for analysis. Steaks were thawed for 24h at 4°C before 2 mL of exudate was collected from each bag on removal of the steak. The exudate was frozen at –80°C until further analysis. For analysis of absorbance, 0.5 mL of thawed exudate was diluted with 4.5 mL ultra-pure water and centrifuged. Then, 200 μL of the dilution was pipetted in triplicated onto a 96 well plate. Absorbance was read at a range of 350–700nm wavelengths. A dilution of 1:20 beef exudate: ultra-pure water was filtered and used for metabolite analysis. Using a HILIC column, 5 μL were injected into an organic mobile phase gradient and analyzed using an Agilent 6545 LC/MS-QTOF in positive mode. Data were analyzed using a two-factorial design with quality grade and post-mortem day of aging as fixed effects with an α of 0.05. Loin was included as a random effect. Least squares means, correlations, and principal component analysis were used to discriminate data.ResultsCH exudate had greater (P < 0.05) absorbance than SE at wavelength ranges of 350–404, 423–467, and 491–508 nm. For the range of 350–598nm, CH exudate tended (P < 0.10) to have a greater absorbance than SE exudate. No differences (P > 0.05) were detected at all other wavelengths analyzed between quality grade. Post-mortem aging had no effect (P > 0.05) on wavelength absorbance. Of the total metabolites present (n = 33) in the samples, no differences (P > 0.05) were observed among fixed effects. Only three metabolites exhibited a twofold change in expression, observed as a downregulation from SE to CH exudate. With age, nearly two-thirds of the metabolites (n = 19) tended to increase in intensity. Tritriacontyl octacosanoate was unique to SE exudates.ConclusionBeef exudate tends to be influenced by quality grade more than post-mortem aging duration. Accordingly, exudate samples from raw steaks may be classified by quality grade no matter the duration of aging time.
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Affiliation(s)
- K. Wall
- Texas A&M University Animal Science
| | - C. Kerth
- Texas A&M University Animal Science
| | - Z. Hicks
- Texas A&M University Animal Science
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Rusconi C, Tucker D, Bernard S, Muzi C, Crucitti L, Stefani P, Cox M, Gini G, Re A, Sciarra R, Liberati A, Morello L, Arcari A, Mannina D, Vitagliano O, Sartori R, Chiappella A, Balzarotti M, Vitolo U, Thieblemont C, Rule S, Visco C. IBRUTINIB COMPARED TO STANDARD CHEMOTHERAPY FOR CENTRAL NERVOUS SYSTEM RECURRENCE OF MANTLE CELL LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.54_2630] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- C. Rusconi
- Division of Hematology; ASST Grande Ospedale Metropolitano Niguarda; Milan Italy
| | - D. Tucker
- Department of Haematology; Royal Cornwall NHSTrust; Truro Cornwall United Kingdom
| | - S. Bernard
- Service d'Onco-Hématologie; Hôpital Saint-Louis, AP-HP; Paris France
| | - C. Muzi
- Division of Hematology; ASST Grande Ospedale Metropolitano Niguarda; Milan Italy
| | - L. Crucitti
- Division of Hematology; ASST Grande Ospedale Metropolitano Niguarda; Milan Italy
| | - P. Stefani
- U.O.C. di Ematologia; Dipartimento di Medicina Specialistica, Unità Locale Socio-Sanitaria della Marca Trevigiana; Treviso Italy
| | - M. Cox
- Haematology Unit, Department of Clinical and Experimental Medicine; Sapienza University, AO Sant'Andrea; Rome Italy
| | - G. Gini
- Division of Hematology; Azienda Ospedaliera Universitaria Ospedali Riuniti di Ancona; Ancona Italy
| | - A. Re
- U.O. Ematologia; Spedali Civili di Brescia; Brescia Italy
| | - R. Sciarra
- Division of Hematology; Fondazione IRCCS Policlinico San Matteo; Pavia Italy
| | - A. Liberati
- Università di Perugia; AO Santa Maria di Terni; Terni Italy
| | - L. Morello
- Department of Medica Oncology and Hematology; Humanitas Clinical and Research Center - IRCCS; Rozzano Milan Italy
| | - A. Arcari
- Hematology Unit; Ospedale Guglielmo da Saliceto; Piacenza Italy
| | - D. Mannina
- UOC di Ematologia; Azienda Ospedaliera Papardo; Messina Italy
| | - O. Vitagliano
- Division of Hematology; Cardarelli Hospital; Naples Italy
| | - R. Sartori
- Hematology Department; Castelfranco Veneto Hospital, ULSS 2 Marca Trevigiana, Castelfranco Veneto; Treviso Italy
| | - A. Chiappella
- Hematology; AO Città della Salute e della Scienza di Torino; Turin Italy
| | - M. Balzarotti
- Department of Medica Oncology and Hematology; Humanitas Clinical and Research Center - IRCCS; Rozzano Milan Italy
| | - U. Vitolo
- Hematology; AO Città della Salute e della Scienza di Torino; Turin Italy
| | - C. Thieblemont
- Service d'Onco-Hématologie; Hôpital Saint-Louis, AP-HP; Paris France
| | - S. Rule
- Plymouth University; Peninsula Schools of Medicine ad Dentistry; Plymouth United Kingdom
| | - C. Visco
- Department of Medicine; Section of Hematology, University of Verona; Verona Italy
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Wall K, Kerth C, Hicks Z, Tucker D. Evaluation of Beef Steak Exudate Differing in Quality Grade and Post-Mortem Aging Time. Meat and Muscle Biology 2019. [DOI: 10.22175/mmb2019.0122] [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] Open
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Jurczak W, Rule S, Townsend W, Tucker D, Sarholz B, Scheele J, Gribben J, Zinzani P. Phase I/II, first in human trial with M7583, a Bruton’s tyrosine kinase inhibitor (BTKi), in patients with B cell malignancies. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy286.010] [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: 11/12/2022] Open
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Fernandez-Corazza M, Turovets S, Luu P, Muravchik C, Tucker D. Strategies for targeting deep brain structures using the TES reciprocity based methods. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.189] [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] Open
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Morris JK, Rankin J, Draper ES, Kurinczuk JJ, Springett A, Tucker D, Wellesley D, Wreyford B, Wald NJ. Prevention of neural tube defects in the UK: a missed opportunity. Arch Dis Child 2016; 101:604-7. [PMID: 26681697 PMCID: PMC4941168 DOI: 10.1136/archdischild-2015-309226] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/17/2015] [Indexed: 11/16/2022]
Abstract
OBJECTIVE In 1991, the Medical Research Council (MRC) Vitamin Study demonstrated that folic acid taken before pregnancy and in early pregnancy reduced the risk of a neural tube defect (NTD). We aimed to estimate the number of NTD pregnancies that would have been prevented if flour had been fortified with folic acid in the UK from 1998 as it had been in the USA. DESIGN Estimates of NTD prevalence, the preventive effect of folic acid and the proportion of women taking folic acid supplements before pregnancy were used to predict the number of NTD pregnancies that would have been prevented if folic acid fortification had been implemented. SETTING Eight congenital anomaly registers in England and Wales. MAIN OUTCOME MEASURES The prevalence of pregnancies with an NTD in the UK and the number of these pregnancies that would have been prevented if folic acid fortification had been implemented. RESULTS From 1991 to 2012, the prevalence of NTD pregnancies was 1.28 (95% CI 1.24 to 1.31) per 1000 total births (19% live births, 81% terminations and 0.5% stillbirths and fetal deaths ≥20 weeks' gestation). If the USA levels of folic acid fortification from 1998 onwards had been adopted in the UK, an estimated 2014 fewer NTD pregnancies would have occurred. CONCLUSIONS Failure to implement folic acid fortification in the UK has caused, and continues to cause, avoidable terminations of pregnancy, stillbirths, neonatal deaths and permanent serious disability in surviving children.
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Affiliation(s)
- JK Morris
- Wolfson Institute of Preventive Medicine, QueenMary University of London, London, UK
| | - J Rankin
- Institute of Health & Society, Newcastle University, Newcastle upon Tyne, UK
| | - ES Draper
- Department of Epidemiology & Public Health, University of Leicester, Leicester, UK
| | - JJ Kurinczuk
- National PerinatalEpidemiology Unit, University of Oxford, Oxford, UK,Public Health England, London, UK
| | - A Springett
- Wolfson Institute of Preventive Medicine, QueenMary University of London, London, UK,Public Health England, London, UK
| | - D Tucker
- Congenital Anomaly Register and Information Service for Wales, Public Health Wales, Swansea, UK
| | - D Wellesley
- University of Southampton and Wessex Clinical Genetics Service, Southampton, UK
| | - B Wreyford
- Public Health England, London, UK,School of Clinical Sciences, University of Bristol, Bristol, UK
| | - NJ Wald
- Wolfson Institute of Preventive Medicine, QueenMary University of London, London, UK
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Garne E, Vinkel Hansen A, Morris J, Jordan S, Klungsøyr K, Engeland A, Tucker D, Thayer DS, Davies GI, Nybo Andersen AM, Dolk H. Risk of congenital anomalies after exposure to asthma medication in the first trimester of pregnancy - a cohort linkage study. BJOG 2016; 123:1609-18. [PMID: 27172856 PMCID: PMC5084768 DOI: 10.1111/1471-0528.14026] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2016] [Indexed: 12/02/2022]
Abstract
Objective To examine the effect of maternal exposure to asthma medications on the risk of congenital anomalies. Design Meta‐analysis of aggregated data from three cohort studies. Setting Linkage between healthcare databases and EUROCAT congenital anomaly registries. Population 519 242 pregnancies in Norway (2004–2010), Wales (2000–2010) and Funen, Denmark (2000–2010). Methods Exposure defined as having at least one prescription for asthma medications issued (Wales) or dispensed (Norway, Denmark) from 91 days before to 91 days after the pregnancy start date. Odds ratios (ORs) were estimated separately for each register and combined in meta‐analyses. Main outcome measures ORs for all congenital anomalies and specific congenital anomalies. Results Overall exposure prevalence was 3.76%. For exposure to asthma medication in general, the adjusted OR (adjOR) for a major congenital anomaly was 1.21 (99% CI 1.09–1.34) after adjustment for maternal age and socioeconomic position. The OR of anal atresia was significantly increased in pregnancies exposed to inhaled corticosteroids (3.40; 99% CI 1.15–10.04). For severe congenital heart defects, an increased OR (1.97; 1.12–3.49) was associated with exposure to combination treatment with inhaled corticosteroids and long‐acting beta‐2‐agonists. Associations with renal dysplasia were driven by exposure to short‐acting beta‐2‐agonists (2.37; 1.20–4.67). Conclusion The increased risk of congenital anomalies for women taking asthma medication is small with little confounding by maternal age or socioeconomic status. The study confirmed the association of inhaled corticosteroids with anal atresia found in earlier research and found potential new associations with combination treatment. The potential new associations should be interpreted with caution due to the large number of comparisons undertaken. Tweetable abstract This cohort study found a small increased risk of congenital anomalies for women taking asthma medication. This cohort study found a small increased risk of congenital anomalies for women taking asthma medication.
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Affiliation(s)
- E Garne
- Paediatric Department, Hospital Lillebaelt -Kolding, Kolding, Denmark
| | - A Vinkel Hansen
- Paediatric Department, Hospital Lillebaelt -Kolding, Kolding, Denmark
| | - J Morris
- Department Preventive Medicine, Wolfson Institute Preventive Medicine, Queen Mary University of London, London, UK
| | - S Jordan
- College of Human & Health Science, University of Swansea, Swansea, Wales, UK
| | - K Klungsøyr
- Medical Birth Registry of Norway, Norwegian Institute of Public Health and Department of Global Health and Primary Care, University of Bergen, Bergen, Norway
| | - A Engeland
- Medical Birth Registry of Norway, Norwegian Institute of Public Health and Department of Global Health and Primary Care, University of Bergen, Bergen, Norway
| | - D Tucker
- Congenital Anomaly Register and Information Service for Wales, Health Intelligence Division, Public Health Wales, Swansea, UK
| | - D S Thayer
- College of Human & Health Science, University of Swansea, Swansea, Wales, UK
| | - G I Davies
- College of Human & Health Science, University of Swansea, Swansea, Wales, UK
| | - A-M Nybo Andersen
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - H Dolk
- Ulster University, Londonderry, UK
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Kessler R, Marriner J, Childress M, Covarrubias R, D’Andrea CB, Finley DA, Fischer J, Foley RJ, Goldstein D, Gupta RR, Kuehn K, Marcha M, Nichol RC, Papadopoulos A, Sako M, Scolnic D, Smith M, Sullivan M, Wester W, Yuan F, Abbott T, Abdalla FB, Allam S, Benoit-Lévy A, Bernstein GM, Bertin E, Brooks D, Rosell AC, Kind MC, Castander FJ, Crocce M, Costa LND, Desai S, Diehl HT, Eifler TF, Neto AF, Flaugher B, Frieman J, Gerdes DW, Gruen D, Gruendl RA, Honscheid K, James DJ, Kuropatkin N, Li TS, Maia MAG, Marshall JL, Martini P, Miller CJ, Miquel R, Nord B, Ogando R, Plazas AA, Reil K, Romer AK, Roodman A, Sanchez E, Sevilla-Noarbe I, Smith RC, Soares-Santos M, Sobreira F, Tarle G, Thaler J, Thomas RC, Tucker D, Walker AR. THE DIFFERENCE IMAGING PIPELINE FOR THE TRANSIENT SEARCH IN THE DARK ENERGY SURVEY. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/0004-6256/150/6/172] [Citation(s) in RCA: 106] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Flaugher B, Diehl HT, Honscheid K, Abbott TMC, Alvarez O, Angstadt R, Annis JT, Antonik M, Ballester O, Beaufore L, Bernstein GM, Bernstein RA, Bigelow B, Bonati M, Boprie D, Brooks D, Buckley-Geer EJ, Campa J, Cardiel-Sas L, Castander FJ, Castilla J, Cease H, Cela-Ruiz JM, Chappa S, Chi E, Cooper C, da Costa LN, Dede E, Derylo G, DePoy DL, de Vicente J, Doel P, Drlica-Wagner A, Eiting J, Elliott AE, Emes J, Estrada J, Fausti Neto A, Finley DA, Flores R, Frieman J, Gerdes D, Gladders MD, Gregory B, Gutierrez GR, Hao J, Holland SE, Holm S, Huffman D, Jackson C, James DJ, Jonas M, Karcher A, Karliner I, Kent S, Kessler R, Kozlovsky M, Kron RG, Kubik D, Kuehn K, Kuhlmann S, Kuk K, Lahav O, Lathrop A, Lee J, Levi ME, Lewis P, Li TS, Mandrichenko I, Marshall JL, Martinez G, Merritt KW, Miquel R, Muñoz F, Neilsen EH, Nichol RC, Nord B, Ogando R, Olsen J, Palaio N, Patton K, Peoples J, Plazas AA, Rauch J, Reil K, Rheault JP, Roe NA, Rogers H, Roodman A, Sanchez E, Scarpine V, Schindler RH, Schmidt R, Schmitt R, Schubnell M, Schultz K, Schurter P, Scott L, Serrano S, Shaw TM, Smith RC, Soares-Santos M, Stefanik A, Stuermer W, Suchyta E, Sypniewski A, Tarle G, Thaler J, Tighe R, Tran C, Tucker D, Walker AR, Wang G, Watson M, Weaverdyck C, Wester W, Woods R, Yanny B. THE DARK ENERGY CAMERA. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/0004-6256/150/5/150] [Citation(s) in RCA: 580] [Impact Index Per Article: 64.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Drlica-Wagner A, Albert A, Bechtol K, Wood M, Strigari L, Sánchez-Conde M, Baldini L, Essig R, Cohen-Tanugi J, Anderson B, Bellazzini R, Bloom ED, Caputo R, Cecchi C, Charles E, Chiang J, Angelis AD, Funk S, Fusco P, Gargano F, Giglietto N, Giordano F, Guiriec S, Gustafsson M, Kuss M, Loparco F, Lubrano P, Mirabal N, Mizuno T, Morselli A, Ohsugi T, Orlando E, Persic M, Rainò S, Sehgal N, Spada F, Suson DJ, Zaharijas G, Zimmer S, Abbott T, Allam S, Balbinot E, Bauer AH, Benoit-Lévy A, Bernstein RA, Bernstein GM, Bertin E, Brooks D, Buckley-Geer E, Burke DL, Rosell AC, Castander FJ, Covarrubias R, D’Andrea CB, Costa LND, DePoy DL, Desai S, Diehl HT, Cunha CE, Eifler TF, Estrada J, Evrard AE, Neto AF, Fernandez E, Finley DA, Flaugher B, Frieman J, Gaztanaga E, Gerdes D, Gruen D, Gruendl RA, Gutierrez G, Honscheid K, Jain B, James D, Jeltema T, Kent S, Kron R, Kuehn K, Kuropatkin N, Lahav O, Li TS, Luque E, Maia MAG, Makler M, March M, Marshall J, Martini P, Merritt KW, Miller C, Miquel R, Mohr J, Neilsen E, Nord B, Ogando R, Peoples J, Petravick D, Pieres A, Plazas AA, Queiroz A, Romer AK, Roodman A, Rykoff ES, Sako M, Sanchez E, Santiago B, Scarpine V, Schubnell M, Sevilla I, Smith RC, Soares-Santos M, Sobreira F, Suchyta E, Swanson MEC, Tarle G, Thaler J, Thomas D, Tucker D, Walker AR, Wechsler RH, Wester W, Williams P, Yanny B, Zuntz J. SEARCH FOR GAMMA-RAY EMISSION FROM DES DWARF SPHEROIDAL GALAXY CANDIDATES WITH
FERMI
-LAT DATA. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/2041-8205/809/1/l4] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wang GY, Libove E, Tucker D, Epstein E. Abstract LB-088: Ptch1 heterozygosity predisposes mice to developing IR-induced BCCs. Cancer Res 2015. [DOI: 10.1158/1538-7445.am2015-lb-088] [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: 11/16/2022]
Abstract
Abstract
Basal cells nevus syndrome (BCNS, Gorlin syndrome) patients carry heterozygous germline mutations in PATCHED1 (PTCH1) gene, which encodes a receptor of hedgehog (HH) ligands and represses HH signaling in the absence of ligands. Mutated PTCH1 leads to aberrant activation of the HH signaling pathway, which is the pivotal driver underlying BCC carcinogenesis in both sporadic and BCNS BCCs. BCNS (PTCH1+/-) individuals are very susceptible to developing more BCCs at an earlier age but the mechanism for this genetic predisposition to BCCs remains elusive. In this study, we assessed how heterozygosity of the murine Ptch1 gene contributes to IR-induced BCC carcinogenesis.
Specifically, we treated Ptch1fl/+ K14CreER2 mice with tamoxifen either at age 4 weeks (group A) or at 9 weeks (group B) to delete one copy of Ptch1 in K14-expressing keratinocytes. We irradiated both groups of mice with IR at mouse age 8 weeks so that at the time of IR, keratinocytes in group A mice, like those in BCNS patients, were Ptch1+/-, and mice in group B remained Ptch1+/+ but subsequent to recovery from acute damage all mice had Ptch1+/- keratinocytes. We found that mice in both groups developed similar amounts of microscopic BCCs at age either 7- or 9-months. However, only mice of group A (3 out of 13 mice) developed visible BCCs; none of the mice of group B (n = 30) developed visible BCCs by age 18-months, the longest time point monitored based on our studies of Ptch1+/- mice. The difference is statistically significant (p = 0.03). Histologically, these visible BCCs closely resemble human BCCs. This finding indicates (i) that heterozygosity of the Ptch1 gene limited to keratinocytes (without gene deletion in stromal cells) is sufficient to produce susceptibility to IR-induced visible BCC development and (ii) surprisingly that heterozygosity of the Ptch1 gene during acute mutagenic damage dramatically increases eventual conversion of microscopic to visible BCCs, probably by affecting acute repair of this damage. To gain further insights into this possible mechanism, we are culturing keratinocytes from these mice and performing cell cycle and apoptosis analysis upon IR treatment in vitro.
Citation Format: Grace Y. Wang, Eileen Libove, Danielle Tucker, Ervin Epstein. Ptch1 heterozygosity predisposes mice to developing IR-induced BCCs. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr LB-088. doi:10.1158/1538-7445.AM2015-LB-088
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Affiliation(s)
- Grace Y. Wang
- Children's Hospital Oakland Research Institute, Oakland, CA
| | - Eileen Libove
- Children's Hospital Oakland Research Institute, Oakland, CA
| | | | - Ervin Epstein
- Children's Hospital Oakland Research Institute, Oakland, CA
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Chang C, Vikram V, Jain B, Bacon D, Amara A, Becker MR, Bernstein G, Bonnett C, Bridle S, Brout D, Busha M, Frieman J, Gaztanaga E, Hartley W, Jarvis M, Kacprzak T, Kovács A, Lahav O, Lin H, Melchior P, Peiris H, Rozo E, Rykoff E, Sánchez C, Sheldon E, Troxel MA, Wechsler R, Zuntz J, Abbott T, Abdalla FB, Allam S, Annis J, Bauer AH, Benoit-Lévy A, Brooks D, Buckley-Geer E, Burke DL, Capozzi D, Carnero Rosell A, Carrasco Kind M, Castander FJ, Crocce M, D'Andrea CB, Desai S, Diehl HT, Dietrich JP, Doel P, Eifler TF, Evrard AE, Fausti Neto A, Flaugher B, Fosalba P, Gruen D, Gruendl RA, Gutierrez G, Honscheid K, James D, Kent S, Kuehn K, Kuropatkin N, Maia MAG, March M, Martini P, Merritt KW, Miller CJ, Miquel R, Neilsen E, Nichol RC, Ogando R, Plazas AA, Romer AK, Roodman A, Sako M, Sanchez E, Sevilla I, Smith RC, Soares-Santos M, Sobreira F, Suchyta E, Tarle G, Thaler J, Thomas D, Tucker D, Walker AR. Wide-Field Lensing Mass Maps from Dark Energy Survey Science Verification Data. Phys Rev Lett 2015; 115:051301. [PMID: 26274409 DOI: 10.1103/physrevlett.115.051301] [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] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Indexed: 06/04/2023]
Abstract
We present a mass map reconstructed from weak gravitational lensing shear measurements over 139 deg2 from the Dark Energy Survey science verification data. The mass map probes both luminous and dark matter, thus providing a tool for studying cosmology. We find good agreement between the mass map and the distribution of massive galaxy clusters identified using a red-sequence cluster finder. Potential candidates for superclusters and voids are identified using these maps. We measure the cross-correlation between the mass map and a magnitude-limited foreground galaxy sample and find a detection at the 6.8σ level with 20 arc min smoothing. These measurements are consistent with simulated galaxy catalogs based on N-body simulations from a cold dark matter model with a cosmological constant. This suggests low systematics uncertainties in the map. We summarize our key findings in this Letter; the detailed methodology and tests for systematics are presented in a companion paper.
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Affiliation(s)
- C Chang
- Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
| | - V Vikram
- Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, USA
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - B Jain
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - D Bacon
- Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom
| | - A Amara
- Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
| | - M R Becker
- Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA
| | - G Bernstein
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - C Bonnett
- Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain
| | - S Bridle
- Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - D Brout
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - M Busha
- Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA
| | - J Frieman
- Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - E Gaztanaga
- Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain
| | - W Hartley
- Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
| | - M Jarvis
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - T Kacprzak
- Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland
| | - A Kovács
- Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain
| | - O Lahav
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - H Lin
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - P Melchior
- Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA
- Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - H Peiris
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - E Rozo
- Department of Physics, University of Arizona, 1118 East Fourth Street, Tucson, Arizona 85721, USA
| | - E Rykoff
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C Sánchez
- Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain
| | - E Sheldon
- Brookhaven National Laboratory, Building 510, Upton, New York 11973, USA
| | - M A Troxel
- Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - R Wechsler
- Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, California 94305, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - J Zuntz
- Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - T Abbott
- Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
| | - F B Abdalla
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - S Allam
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - J Annis
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - A H Bauer
- Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain
| | - A Benoit-Lévy
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - D Brooks
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - E Buckley-Geer
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - D L Burke
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - D Capozzi
- Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom
| | - A Carnero Rosell
- Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
- Observatório Nacional, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
| | - M Carrasco Kind
- Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA
- National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA
| | - F J Castander
- Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain
| | - M Crocce
- Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain
| | - C B D'Andrea
- Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom
| | - S Desai
- Department of Physics, Ludwig-Maximilians-Universitaet, Scheinerstrasse 1, 81679 Munich, Germany
| | - H T Diehl
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - J P Dietrich
- Department of Physics, Ludwig-Maximilians-Universitaet, Scheinerstrasse 1, 81679 Munich, Germany
- Excellence Cluster Universe, Boltzmannstrasse 2, 85748 Garching, Germany
| | - P Doel
- Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - T F Eifler
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
| | - A E Evrard
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - A Fausti Neto
- Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
| | - B Flaugher
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - P Fosalba
- Institut de Ciències de l'Espai, IEEC-CSIC, Campus UAB, Facultat de Ciències, Torre C5 par-2, 08193 Bellaterra, Barcelona, Spain
| | - D Gruen
- Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, 85748 Garching, Germany
- University Observatory Munich, Scheinerstrasse 1, 81679 Munich, Germany
| | - R A Gruendl
- Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA
- National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA
| | - G Gutierrez
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - K Honscheid
- Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA
- National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, Illinois 61801, USA
| | - D James
- Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
| | - S Kent
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - K Kuehn
- Australian Astronomical Observatory, North Ryde, New South Wales 2113, Australia
| | - N Kuropatkin
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - M A G Maia
- Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
- Observatório Nacional, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
| | - M March
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - P Martini
- Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA
- Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - K W Merritt
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - C J Miller
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
- Department of Astronomy, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - R Miquel
- Institut de Física d'Altes Energies, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats, E-08010 Barcelona, Spain
| | - E Neilsen
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - R C Nichol
- Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom
| | - R Ogando
- Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
- Observatório Nacional, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
| | - A A Plazas
- Brookhaven National Laboratory, Building 510, Upton, New York 11973, USA
- Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, USA
| | - A K Romer
- Department of Physics and Astronomy, Pevensey Building, University of Sussex, Brighton BN1 9QH, United Kingdom
| | - A Roodman
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, California 94305, USA
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - M Sako
- Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - E Sanchez
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid 28040, Spain
| | - I Sevilla
- Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid 28040, Spain
| | - R C Smith
- Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
| | - M Soares-Santos
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - F Sobreira
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
- Laboratório Interinstitucional de e-Astronomia-LIneA, Rua General Jos´e Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil
| | - E Suchyta
- Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, Ohio 43210, USA
- Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
| | - G Tarle
- Department of Physics, Ludwig-Maximilians-Universitaet, Scheinerstrasse 1, 81679 Munich, Germany
| | - J Thaler
- Department of Physics, University of Illinois, 1110 West Green Street, Urbana, Illinois 61801, USA
| | - D Thomas
- Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth PO1 3FX, United Kingdom
- SEPnet, South East Physics Network, Southampton SO17 1BJ, United Kingdom
| | - D Tucker
- Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, Illinois 60510, USA
| | - A R Walker
- Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile
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Simon JD, Drlica-Wagner A, Li TS, Nord B, Geha M, Bechtol K, Balbinot E, Buckley-Geer E, Lin H, Marshall J, Santiago B, Strigari L, Wang M, Wechsler RH, Yanny B, Abbott T, Bauer AH, Bernstein GM, Bertin E, Brooks D, Burke DL, Capozzi D, Rosell AC, Kind MC, D’Andrea CB, Costa LND, DePoy DL, Desai S, Diehl HT, Dodelson S, Cunha CE, Estrada J, Evrard AE, Neto AF, Fernandez E, Finley DA, Flaugher B, Frieman J, Gaztanaga E, Gerdes D, Gruen D, Gruendl RA, Honscheid K, James D, Kent S, Kuehn K, Kuropatkin N, Lahav O, Maia MAG, March M, Martini P, Miller CJ, Miquel R, Ogando R, Romer AK, Roodman A, Rykoff ES, Sako M, Sanchez E, Schubnell M, Sevilla I, Smith RC, Soares-Santos M, Sobreira F, Suchyta E, Swanson MEC, Tarle G, Thaler J, Tucker D, Vikram V, Walker AR, Wester W. STELLAR KINEMATICS AND METALLICITIES IN THE ULTRA-FAINT DWARF GALAXY RETICULUM II. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/0004-637x/808/1/95] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Bechtol K, Drlica-Wagner A, Balbinot E, Pieres A, Simon JD, Yanny B, Santiago B, Wechsler RH, Frieman J, Walker AR, Williams P, Rozo E, Rykoff ES, Queiroz A, Luque E, Benoit-Lévy A, Tucker D, Sevilla I, Gruendl RA, Costa LND, Neto AF, Maia MAG, Abbott T, Allam S, Armstrong R, Bauer AH, Bernstein GM, Bernstein RA, Bertin E, Brooks D, Buckley-Geer E, Burke DL, Rosell AC, Castander FJ, Covarrubias R, D’Andrea CB, DePoy DL, Desai S, Diehl HT, Eifler TF, Estrada J, Evrard AE, Fernandez E, Finley DA, Flaugher B, Gaztanaga E, Gerdes D, Girardi L, Gladders M, Gruen D, Gutierrez G, Hao J, Honscheid K, Jain B, James D, Kent S, Kron R, Kuehn K, Kuropatkin N, Lahav O, Li TS, Lin H, Makler M, March M, Marshall J, Martini P, Merritt KW, Miller C, Miquel R, Mohr J, Neilsen E, Nichol R, Nord B, Ogando R, Peoples J, Petravick D, Plazas AA, Romer AK, Roodman A, Sako M, Sanchez E, Scarpine V, Schubnell M, Smith RC, Soares-Santos M, Sobreira F, Suchyta E, Swanson MEC, Tarle G, Thaler J, Thomas D, Wester W, Zuntz J. EIGHT NEW MILKY WAY COMPANIONS DISCOVERED IN FIRST-YEAR DARK ENERGY SURVEY DATA. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/0004-637x/807/1/50] [Citation(s) in RCA: 401] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Best KE, Draper E, Kurinczuk J, Stoianova S, Tucker D, Wellesley D, Rankin J. OP29 The prevalence of congenital heart disease in the UK: a population-based register study. Br J Soc Med 2014. [DOI: 10.1136/jech-2014-204726.32] [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: 11/04/2022]
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Otter JA, Tosas-Auguet O, Herdman MT, Williams B, Tucker D, Edgeworth JD, French GL. Implications of targeted versus universal admission screening for meticillin-resistant Staphylococcus aureus carriage in a London hospital. J Hosp Infect 2014; 87:171-4. [PMID: 24928784 DOI: 10.1016/j.jhin.2014.04.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [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: 07/03/2013] [Accepted: 04/29/2014] [Indexed: 10/25/2022]
Abstract
Universal admission screening for meticillin-resistant Staphylococcus aureus (MRSA) has been performed in England since 2010. We evaluated the predictive performance of a regression model derived from the first year of universal screening for detecting MRSA at hospital admission. If we had used our previous targeted screening policy, 75% fewer patients (21,699 per year) would have been screened. However, this would have identified only ~55% of all MRSA carriers, 65% of healthcare-associated MRSA strains, and 40% of community-associated strains. Failing to identify ~45% of patients (262 per year) carrying MRSA at hospital admission may have implications for MRSA control.
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Affiliation(s)
- J A Otter
- Centre for Clinical Infection and Diagnostics Research (CIDR), Department of Infectious Diseases, King's College London, and Guy's and St Thomas' Hospital NHS Foundation Trust London, UK.
| | - Olga Tosas-Auguet
- Centre for Clinical Infection and Diagnostics Research (CIDR), Department of Infectious Diseases, King's College London, and Guy's and St Thomas' Hospital NHS Foundation Trust London, UK
| | - M T Herdman
- Directorate of Infectious Diseases, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - B Williams
- Directorate of Infectious Diseases, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - D Tucker
- Directorate of Infectious Diseases, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - J D Edgeworth
- Centre for Clinical Infection and Diagnostics Research (CIDR), Department of Infectious Diseases, King's College London, and Guy's and St Thomas' Hospital NHS Foundation Trust London, UK
| | - G L French
- Centre for Clinical Infection and Diagnostics Research (CIDR), Department of Infectious Diseases, King's College London, and Guy's and St Thomas' Hospital NHS Foundation Trust London, UK
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23
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Tucker D, Sarsfield P, Chandler I, Kerr P. One cancer destroys another: short report of a myeloid sarcoma causing ischaemic necrosis of an adenocarcinoma. J Clin Pathol 2013; 67:70-1. [PMID: 23922355 DOI: 10.1136/jclinpath-2012-201185] [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] [Indexed: 11/04/2022]
Abstract
We present a highly unusual case and histological images of a patient who underwent complete resection of a perforated caecal adenocarcinoma caused by angiodestruction of the proximal vasculature by a distinct acute myeloid infiltrate. Both tumours were removed in their entirety at one visit to theatre and the patient remains well and in remission 18 months later.
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Affiliation(s)
- D Tucker
- Department of Haematology, Derriford Hospital, , Plymouth, UK
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Tucker D, Hamilton MS, Kerr JP, Wickham C, Hunter H. Lytic bone disease as the presenting feature of Philadelphia-positive, derivative chromosome 7 myelodysplasia progressing to acute myeloid leukaemia. Gene 2013; 515:239. [PMID: 23431568 DOI: 10.1016/j.gene.2012.12.008] [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: 11/26/2022]
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Boyle B, McConkey R, Garne E, Loane M, Addor MC, Bakker MK, Boyd PA, Gatt M, Greenlees R, Haeusler M, Klungsøyr K, Latos-Bielenska A, Lelong N, McDonnell R, Métneki J, Mullaney C, Nelen V, O'Mahony M, Pierini A, Rankin J, Rissmann A, Tucker D, Wellesley D, Dolk H. Trends in the prevalence, risk and pregnancy outcome of multiple births with congenital anomaly: a registry-based study in 14 European countries 1984-2007. BJOG 2013; 120:707-16. [PMID: 23384325 DOI: 10.1111/1471-0528.12146] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2012] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To assess the public health consequences of the rise in multiple births with respect to congenital anomalies. DESIGN Descriptive epidemiological analysis of data from population-based congenital anomaly registries. SETTING Fourteen European countries. POPULATION A total of 5.4 million births 1984-2007, of which 3% were multiple births. METHODS Cases of congenital anomaly included live births, fetal deaths from 20 weeks of gestation and terminations of pregnancy for fetal anomaly. MAIN OUTCOME MEASURES Prevalence rates per 10,000 births and relative risk of congenital anomaly in multiple versus singleton births (1984-2007); proportion prenatally diagnosed, proportion by pregnancy outcome (2000-07). Proportion of pairs where both co-twins were cases. RESULTS Prevalence of congenital anomalies from multiple births increased from 5.9 (1984-87) to 10.7 per 10,000 births (2004-07). Relative risk of nonchromosomal anomaly in multiple births was 1.35 (95% CI 1.31-1.39), increasing over time, and of chromosomal anomalies was 0.72 (95% CI 0.65-0.80), decreasing over time. In 11.4% of affected twin pairs both babies had congenital anomalies (2000-07). The prenatal diagnosis rate was similar for multiple and singleton pregnancies. Cases from multiple pregnancies were less likely to be terminations of pregnancy for fetal anomaly, odds ratio 0.41 (95% CI 0.35-0.48) and more likely to be stillbirths and neonatal deaths. CONCLUSIONS The increase in babies who are both from a multiple pregnancy and affected by a congenital anomaly has implications for prenatal and postnatal service provision. The contribution of assisted reproductive technologies to the increase in risk needs further research. The deficit of chromosomal anomalies among multiple births has relevance for prenatal risk counselling.
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Affiliation(s)
- B Boyle
- Centre for Maternal Fetal and Infant Research, University of Ulster, Newtownabbey, UK
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Pebody RG, Chand MA, Thomas HL, Green HK, Boddington NL, Carvalho C, Brown CS, Anderson SR, Rooney C, Crawley-Boevey E, Irwin DJ, Aarons E, Tong C, Newsholme W, Price N, Langrish C, Tucker D, Zhao H, Phin N, Crofts J, Bermingham A, Gilgunn-Jones E, Brown KE, Evans B, Catchpole M, Watson JM. The United Kingdom public health response to an imported laboratory confirmed case of a novel coronavirus in September 2012. Euro Surveill 2012. [DOI: 10.2807/ese.17.40.20292-en] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
On 22 September 2012, a novel coronavirus, very closely related to that from a fatal case in Saudi Arabia three months previously, was detected in a previously well adult transferred to intensive care in London from Qatar with severe respiratory illness. Strict respiratory isolation was instituted. Ten days after last exposure, none of 64 close contacts had developed severe disease, with 13 of 64 reporting mild respiratory symptoms. The novel coronavirus was not detected in 10 of 10 symptomatic contacts tested.
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Affiliation(s)
- R G Pebody
- Health Protection Agency (HPA), London, United Kingdom
| | - M A Chand
- Health Protection Agency (HPA), London, United Kingdom
| | - H L Thomas
- European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control, (ECDC), Stockholm, Sweden
- Field Epidemiology Training Programme (FETP), Health Protection Agency, London, United Kingdom
- Health Protection Agency (HPA), London, United Kingdom
| | - H K Green
- Health Protection Agency (HPA), London, United Kingdom
| | | | - C Carvalho
- European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control, (ECDC), Stockholm, Sweden
- Health Protection Agency (HPA), London, United Kingdom
| | - C S Brown
- Centre for Clinical Infection and Diagnostics Research, King’s College London, London, England
- Health Protection Agency (HPA), London, United Kingdom
| | - S R Anderson
- Health Protection Agency (HPA), London, United Kingdom
| | - C Rooney
- Health Protection Agency (HPA), London, United Kingdom
| | | | - D J Irwin
- Health Protection Agency (HPA), London, United Kingdom
| | - E Aarons
- Guy’s and St Thomas’ NHS Foundation Trust and King’s Health Partners, London, United Kingdom
| | - C Tong
- Guy’s and St Thomas’ NHS Foundation Trust and King’s Health Partners, London, United Kingdom
| | - W Newsholme
- Guy’s and St Thomas’ NHS Foundation Trust and King’s Health Partners, London, United Kingdom
| | - N Price
- Guy’s and St Thomas’ NHS Foundation Trust and King’s Health Partners, London, United Kingdom
| | - C Langrish
- Guy’s and St Thomas’ NHS Foundation Trust and King’s Health Partners, London, United Kingdom
| | - D Tucker
- Guy’s and St Thomas’ NHS Foundation Trust and King’s Health Partners, London, United Kingdom
| | - H Zhao
- Health Protection Agency (HPA), London, United Kingdom
| | - N Phin
- Health Protection Agency (HPA), London, United Kingdom
| | - J Crofts
- Health Protection Agency (HPA), London, United Kingdom
| | - A Bermingham
- Health Protection Agency (HPA), London, United Kingdom
| | | | - K E Brown
- Health Protection Agency (HPA), London, United Kingdom
| | - B Evans
- Health Protection Agency (HPA), London, United Kingdom
| | - M Catchpole
- Health Protection Agency (HPA), London, United Kingdom
| | - J M Watson
- Health Protection Agency (HPA), London, United Kingdom
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Pebody RG, Chand MA, Thomas HL, Green HK, Boddington NL, Carvalho C, Brown CS, Anderson SR, Rooney C, Crawley-Boevey E, Irwin DJ, Aarons E, Tong C, Newsholme W, Price N, Langrish C, Tucker D, Zhao H, Phin N, Crofts J, Bermingham A, Gilgunn-Jones E, Brown KE, Evans B, Catchpole M, Watson JM. The United Kingdom public health response to an imported laboratory confirmed case of a novel coronavirus in September 2012. Euro Surveill 2012; 17:20292. [PMID: 23078799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
On 22 September 2012, a novel coronavirus, very closely related to that from a fatal case in Saudi Arabia three months previously, was detected in a previously well adult transferred to intensive care in London from Qatar with severe respiratory illness. Strict respiratory isolation was instituted. Ten days after last exposure, none of 64 close contacts had developed severe disease, with 13 of 64 reporting mild respiratory symptoms. The novel coronavirus was not detected in 10 of 10 symptomatic contacts tested.
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Affiliation(s)
- R G Pebody
- Health Protection Agency (HPA), London, UK.
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Goldenberg S, Patel A, Tucker D, French G. Lack of enhanced effect of a chlorine dioxide-based cleaning regimen on environmental contamination with Clostridium difficile spores. J Hosp Infect 2012; 82:64-7. [DOI: 10.1016/j.jhin.2012.06.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2012] [Accepted: 06/08/2012] [Indexed: 02/07/2023]
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29
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Tucker D, Wainwright A. Assoc Med J 2012; 345:e5283-e5283. [DOI: 10.1136/bmj.e5283] [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: 11/04/2022]
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30
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Turovets S, Tucker D. P8-16 Computational studies of NIRS using layered slab and MRI based head models. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60619-0] [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: 11/26/2022]
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31
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Turovets S, Salman A, Malony A, Li K, Tucker D. P19-13 Towards combined neuroimaging modalities: EEG and bounded EIT. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)60891-7] [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: 10/18/2022]
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Kota J, Handy CR, Haidet AM, Montgomery CL, Eagle A, Rodino-Klapac LR, Tucker D, Shilling CJ, Therlfall WR, Walker CM, Weisbrode SE, Janssen PML, Clark KR, Sahenk Z, Mendell JR, Kaspar BK. Follistatin gene delivery enhances muscle growth and strength in nonhuman primates. Sci Transl Med 2010; 1:6ra15. [PMID: 20368179 DOI: 10.1126/scitranslmed.3000112] [Citation(s) in RCA: 121] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Antagonists of myostatin, a blood-borne negative regulator of muscle growth produced in muscle cells, have shown considerable promise for enhancing muscle mass and strength in rodent studies and could serve as potential therapeutic agents for human muscle diseases. One of the most potent of these agents, follistatin, is both safe and effective in mice, but similar tests have not been performed in nonhuman primates. To assess this important criterion for clinical translation, we tested an alternatively spliced form of human follistatin that affects skeletal muscle but that has only minimal effects on nonmuscle cells. When injected into the quadriceps of cynomolgus macaque monkeys, a follistatin isoform expressed from an adeno-associated virus serotype 1 vector, AAV1-FS344, induced pronounced and durable increases in muscle size and strength. Long-term expression of the transgene did not produce any abnormal changes in the morphology or function of key organs, indicating the safety of gene delivery by intramuscular injection of an AAV1 vector. Our results, together with the findings in mice, suggest that therapy with AAV1-FS344 may improve muscle mass and function in patients with certain degenerative muscle disorders.
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Affiliation(s)
- Janaiah Kota
- Center for Gene Therapy, Research Institute at Nationwide Children's Hospital, Columbus, OH 43205, USA
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Cheong YC, Wong YM, Tucker D, Li TC, Cooke ID. The changing nature of elective laparoscopic surgery: a review over a 7 year period in a reproductive surgery unit. HUM FERTIL 2009; 4:31-6. [PMID: 11591254 DOI: 10.1080/1464727012000199231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
There was a significant increase in the number of laparoscopic procedures performed in the Reproductive and Surgery Unit at the Jessop Hospital for Women over the 7 year period from 1991 to 1997. The three most common procedures were adhesiolysis/salpingo-ovariolysis, treatment of endometriosis and ovarian drilling, which together constituted over 80% of all cases. The duration of surgery and the complexity of the cases gradually increased with time. The determinants of patients staying overnight after laparoscopic surgery in decreasing order of importance were: (i) whether they had undergone surgery in the morning or in the afternoon; (ii) the operating time; and (iii) the number of entry ports used. Most (75%) of the laparoscopic procedures were performed or supervised directly by a consultant. In this study period the major complication rate was 0.7%.
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Affiliation(s)
- Y C Cheong
- Department of Obstetrics and Gynaecology, The Jessop Hospital for Women, Leavygreave Road, Sheffield S3 7RE, UK
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35
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Tyson C, Dawson A, Bal S, Tomiuk M, Anderson T, Tucker D, Riordan D, Chudoba I, Morash B, Mhanni A, Chudley A, McGillivray B, Parslow M, Rappold G, Roeth R, Fawcett C, Qiao Y, Harvard C, Rajcan-Separovic E. Molecular cytogenetic investigation of two patients with Y chromosome rearrangements and intellectual disability. Am J Med Genet A 2009; 149A:490-5. [DOI: 10.1002/ajmg.a.32535] [Citation(s) in RCA: 2] [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: 01/30/2023]
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36
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Roze S, Liens D, Palmer A, Berger W, Tucker D, Renaudin C. A health economic model to determine the long-term costs and clinical outcomes of raising low HDL-cholesterol in the prevention of coronary heart disease. Curr Med Res Opin 2006; 22:2549-56. [PMID: 17166337 DOI: 10.1185/030079906x148490] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVES The aim of this study was to describe a health economic model developed to project lifetime clinical and cost outcomes of lipid-modifying interventions in patients not reaching target lipid levels and to assess the validity of the model. METHODS The internet-based, computer simulation model is made up of two decision analytic sub-models, the first utilizing Monte Carlo simulation, and the second applying Markov modeling techniques. Monte Carlo simulation generates a baseline cohort for long-term simulation by assigning an individual lipid profile to each patient, and applying the treatment effects of interventions under investigation. The Markov model then estimates the long-term clinical (coronary heart disease events, life expectancy, and quality-adjusted life expectancy) and cost outcomes up to a lifetime horizon, based on risk equations from the Framingham study. Internal and external validation analyses were performed. RESULTS The results of the model validation analyses, plotted against corresponding real-life values from Framingham, 4S, AFCAPS/TexCAPS, and a meta-analysis by Gordon et al., showed that the majority of values were close to the y = x line, which indicates a perfect fit. The R2 value was 0.9575 and the gradient of the regression line was 0.9329, both very close to the perfect fit (= 1). CONCLUSIONS Validation analyses of the computer simulation model suggest the model is able to recreate the outcomes from published clinical studies and would be a valuable tool for the evaluation of new and existing therapy options for patients with persistent dyslipidemia.
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Affiliation(s)
- S Roze
- Center for Outcomes Research, A Unit of IMS, Basel, Switzerland
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Banks M, Grierson S, Tucker D, Bailey M, Donadeau M, Sargent C, King D, Mellencamp M. Swine and circovirus. Dev Biol (Basel) 2006; 126:107-13; discussion 325-6. [PMID: 17058486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
In the 1990s Post-weaning, multi-systemic wasting syndrome (PMWS) emerged in N. America and Europe as a major disease problem with significant welfare and economic consequences for pig producers. The disease, characterised by wasting, respiratory, enteric and lymphoid system problems in pigs of 4-16 weeks of age, has since spread so that today it has a global distribution. PCV-2 is consistently associated with PMWS, is more abundant in association with PMWS and is considered by many to be the causative agent of the syndrome. However, several lines of evidence indicate that PCV-2 is necessary but not sufficient to cause the full range of clinical signs associated with PMWS, suggesting the involvement of an as yet unidentified factor or factors. The process of identifying unknown agents and their respective roles in the pathogenesis of complex syndromes now has an ever broadening spectrum of analytical techniques available. Immune phenotyping, cytokine responses, micro-array profiling, and proteomics are just some of the techniques available. This paper describes the philosophy and the application of these and classical techniques in an integrated, holistic manner to the problem of PMWS and circoviruses, by examination of samples collected from a prospective, clinical case-control study, and discusses some of the preliminary findings in relation to the efforts to understand the aetiopathogenesis of PMWS.
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Dolk H, Loane M, Garne E, De Walle H, Queisser-Luft A, de Vigan C, Addor M, Gener B, Haeusler M, Jordan H, Tucker D, Stoll C, Feijoo M, Lillis D, Bianchi F. Trends and geographic inequalities in the prevalence of Down syndrome in Europe, 1980-1999. Rev Epidemiol Sante Publique 2005. [DOI: 10.1016/s0398-7620(05)84771-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Dolk H, Loane M, Garne E, De Walle H, Queisser-Luft A, De Vigan C, Addor MC, Gener B, Haeusler M, Jordan H, Tucker D, Stoll C, Feijoo M, Lillis D, Bianchi F. Trends and geographic inequalities in the prevalence of Down syndrome in Europe, 1980-1999. Rev Epidemiol Sante Publique 2005; 53 Spec No 2:2S87-95. [PMID: 16471148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND EUROCAT is a network of population-based registries for the epidemiologic surveillance of congenital anomalies covering approximately one quarter of births in the European Union. Down syndrome constitutes approximately 8% of cases of registered congenital anomaly in Europe, with over 7000 affected pregnancies in the 15 current member states of the European Union each year. In this paper, we aim to examine trends in the live birth prevalence of Down syndrome in Europe in the light of trends in maternal age and in prenatal diagnosis. METHODS Descriptive analysis of data from 24 EUROCAT registries, covering 8.3 million births 1980-99. Cases include live births, stillbirths and terminations of pregnancy following prenatal diagnosis. RESULTS Since 1980, the proportion of births to mothers of 35 years of age and over has risen quite dramatically from 8 to 14% for the European Union as a whole, with steeper rises in some regions. By 1995-1999, the proportion of "older" mothers varied between regions from 10% to 25%, and the total prevalence (including terminations of pregnancy) of Down syndrome varied from 1 to 3 per 1000 births. Some European regions have shown a more than twofold increase in total prevalence of Down syndrome since 1980. The proportion of cases of Down syndrome which were prenatally diagnosed followed by termination of pregnancy in 1995-1999 varied from 0% in the three regions of Ireland and Malta where termination of pregnancy is illegal, to less than 50% in 14 further regions, to 77% in Paris. The extent to which terminations of pregnancy were concen trated among older mothers varied between regions. The live birth prevalence has since 1980 increasingly diverged from the rising total prevalence, in some areas remaining approximately stable, in others decreasing over time. CONCLUSION The rise in average maternal age in Europe has brought with it an increase in the number of pregnancies affected by Down syndrome. The widespread practice of prenatal screening and termination of pregnancy has in most of the regions covered by EUROCAT counteracted the effect of maternal age in its effect on live birth prevalence. Under the joint influences of maternal age and prenatal screening the pattern of geographic inequalities in Down syndrome live birth prevalence in Europe has also been changed.
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Affiliation(s)
- H Dolk
- EUROCAT Central Registry, Room 15E12, Faculty of Life and Health Sciences, University of Ulster at Jordanstown, Shore Rd, Newtownabbey BT37 OQB, Ulster, UK.
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Schelenz S, Tucker D, Georgeu C, Daly S, Hill M, Roxburgh J, French GL. Significant reduction of endemic MRSA acquisition and infection in cardiothoracic patients by means of an enhanced targeted infection control programme. J Hosp Infect 2005; 60:104-10. [PMID: 15866007 DOI: 10.1016/j.jhin.2004.11.020] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2002] [Accepted: 11/19/2004] [Indexed: 11/29/2022]
Abstract
Due to increasing methicillin-resistant Staphylococcus aureus (MRSA) infection in cardiothoracic patients at St Thomas' Hospital, an enhanced infection control programme was introduced in September 2000. It was based on UK national guidelines on the control of MRSA and targeted additional identified risk factors for surgical site infection (SSI). It included recognition of the problem by senior staff and their taking responsibility for it; intensive support, education and advice from the infection control team; improved ward and theatre hygiene; pre-admission, admission and weekly MRSA screening; isolation and clearance treatment; nursing care pathways for MRSA colonized patients; and teicoplanin plus gentamicin surgical prophylaxis. The effectiveness of the programme was assessed by retrospective analysis of computerized patient data for the 16 months before and after the introduction of the programme. There was no significant change in the number of operations or the proportion of patients admitted with MRSA, although nine patients were cleared of carriage before admission. However, there were significant falls in the proportion of patients acquiring MRSA on the ward [38/1036 to 14/921, P=0.003, RR 2.4 (95%CI 1.32-4.42)] and in the rate of bloodstream MRSA infections [12/1075 to 2/956, P=0.014, RR 5.34 (95%CI 1.20-23.78)]. Sternal and leg wound infections both halved (from 28/1075 to 13/956 and 16/1075 to 7/956, respectively) but this did not reach statistical significance. These results demonstrate that an enhanced, targeted infection control programme based on the UK national guidelines, SSI prevention guidelines and local risk assessment can reduce the incidence of nosocomial MRSA acquisition and invasive infection in cardiothoracic patients in the face of continuing endemic risk.
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Affiliation(s)
- S Schelenz
- Department of Infection, Guy's and St Thomas' Hospital, London SE1 7EH, UK
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Garne E, Loane M, Dolk H, De Vigan C, Scarano G, Tucker D, Stoll C, Gener B, Pierini A, Nelen V, Rösch C, Gillerot Y, Feijoo M, Tincheva R, Queisser-Luft A, Addor MC, Mosquera C, Gatt M, Barisic I. Prenatal diagnosis of severe structural congenital malformations in Europe. Ultrasound Obstet Gynecol 2005; 25:6-11. [PMID: 15619321 DOI: 10.1002/uog.1784] [Citation(s) in RCA: 159] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
OBJECTIVES To assess at a population-based level the frequency with which severe structural congenital malformations are detected prenatally in Europe and the gestational age at detection, and to describe regional variation in these indicators. METHODS In the period 1995-1999, data were obtained from 17 European population-based registries of congenital malformations (EUROCAT). Included were all live births, fetal deaths and terminations of pregnancy diagnosed with one or more of the following malformations: anencephalus, encephalocele, spina bifida, hydrocephalus, transposition of great arteries, hypoplastic left heart, limb reduction defect, bilateral renal agenesis, diaphragmatic hernia, omphalocele and gastroschisis. RESULTS The 17 registries reported 4366 cases diagnosed with the 11 severe structural malformations and of these 2300 were live births (53%), 181 were fetal deaths (4%) and 1863 were terminations of pregnancy (43%); in 22 cases pregnancy outcome was unknown. The overall prenatal detection rate was 64% (range, 25-88% across regions). The proportion of terminations of pregnancy varied between regions from 15% to 59% of all cases. Gestational age at discovery for prenatally diagnosed cases was less than 24 weeks for 68% (range, 36-88%) of cases. There was a significant relationship between high prenatal detection rate and early diagnosis (P < 0.0001). For individual malformations, the prenatal detection rate was highest for anencephalus (469/498, 94%) and lowest for transposition of the great arteries (89/324, 27%). Termination of pregnancy was performed in more than half of the prenatally diagnosed cases, except for those with transposition of the great arteries, diaphragmatic hernia and gastroschisis, in which 30-40% of the pregnancies with a prenatal diagnosis were terminated. CONCLUSION European countries currently vary widely in the provision and uptake of prenatal screening and its quality, as well as the "culture" in terms of decision to continue the pregnancy. This inevitably contributes to variation between countries in perinatal and infant mortality and in childhood prevalence and cost to health services of congenital anomalies.
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Affiliation(s)
- E Garne
- A EUROCAT Working Group: University of Southern Denmark, Sdr Boulevard 23A, DK-5000 Odense C, Denmark.
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Abstract
The Public Health Laboratory Service in Wales, in cooperation with local authorities and the Food Standards Agency Wales, carried out a survey to establish baseline figures for the contamination of raw retail chicken with Salmonella and Campylobacter available within Wales, a devolved part of the United Kingdom with a population of approximately 3 million. Seven hundred thirty-nine samples were obtained between November 2001 and December 2002. Overall, 71% of samples were contaminated with Campylobacter, and 8% were contaminated with Salmonella. There were no significant differences between fresh and frozen carcasses and between samples taken from retailers or butchers. There was seasonal variation in the level of Campylobacter contamination of fresh chicken, with a peak in June and the lowest positive rates in January, March, and December. There was no similar peak observed in frozen samples or for Salmonella.
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Affiliation(s)
- R J Meldrum
- Food, Water and Environmental Section, Public Health Laboratory, National Public Health Service for Wales, Llandough Hospital, Penlan Road, Penarth CF64 2XX, UK.
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Tucker D, Linssen R. A new collaboration between Hospital Medicine and Doctors.net.uk. Hosp Med 2001; 62:592. [PMID: 11688119 DOI: 10.12968/hosp.2001.62.10.1660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
As the leading source of clinical review articles for hospital doctors, as well as an invaluable source of information about education and training, Hospital Medicine is delighted to announce details of our collaboration with Doctors.net.uk, the UK's leading ebsite for doctors.
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Cohen SL, Richardson J, Klebez J, Febbo S, Tucker D. EMG biofeedback: the effects of CRF, FR, VR, FI, and VI schedules of reinforcement on the acquisition and extinction of increases in forearm muscle tension. Appl Psychophysiol Biofeedback 2001; 26:179-94. [PMID: 11680282 DOI: 10.1023/a:1011325519568] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Biofeedback was used to increase forearm-muscle tension. Feedback was delivered under continuous reinforcement (CRF), variable interval (VI), fixed interval (FI), variable ratio (VR), and fixed ratio (FR) schedules of reinforcement when college students increased their muscle tension (electromyograph, EMG) above a high threshold. There were three daily sessions of feedback, and Session 3 was immediately followed by a session without feedback (extinction). The CRF schedule resulted in the highest EMG, closely followed by the FR and VR schedules, and the lowest EMG scores were produced by the FI and VI schedules. Similarly, the CRF schedule resulted in the greatest amount of time-above-threshold and the VI and FI schedules produced the lowest time-above-threshold. The highest response rates were generated by the FR schedule, followed by the VR schedule. The CRF schedule produced relatively low response rates, comparable to the rates under the VI and FI schedules. Some of the data are consistent with the partial-reinforcement-extinction effect. The present data suggest that different schedules of feedback should be considered in muscle-strengthening-contexts such as during the rehabilitation of muscles following brain damage or peripheral nervous-system injury.
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Affiliation(s)
- S L Cohen
- Department of Psychology, Bloomsburg University of Pennsylvania, Bloomsburg, Pennsylvania 17815, USA.
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Abstract
PURPOSE To describe reported contraception use in HIV infected and HIV uninfected but at-risk female adolescents, and determine associations with the reported consistent use of effective contraception methods, including its association with pregnancy. METHODS HIV infected and at-risk female youth, aged 13-18 years, who were sexually active and reporting no intention to become pregnant, were included. Contraception use data from three consecutive visits (approximately 6 months apart) were used. RESULTS Ninety-four percent of HIV infected and 89% of at-risk subjects reported choosing a main contraception method with demonstrated efficacy when used consistently. Approximately 50% chose partner condoms. HIV infected youth were more likely to report 100% partner condom use in the past 3 months (73% vs. 46%; OR 3.3; 95% CI: 1.7-5.6). At-risk youth were 2.5 times more likely than HIV infected subjects to report using nothing (95% CI: 1.1-5.8). Slightly more than half (56%) demonstrated the consistent reporting of effective methods (CREM) of contraception. In multivariate analysis, HIV infection (OR 4.0; 95% CI: 2.2-8.2) and African-American race (OR 2.7; 95% CI: 1.1-6.6) were significantly associated with CREM. Subjects reporting inconsistent or unreliable contraception use had higher 1-year pregnancy rates than CREM subjects (32% vs. 14%; p = .002). CONCLUSIONS Only half of HIV infected and at-risk youth reported using effective contraception consistently, despite its availability. Additionally, regardless of reported contraceptive use, the rates of unplanned pregnancy were unacceptably high.
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Affiliation(s)
- M Belzer
- Children's Hospital of Los Angeles, Division of Adolescent Medicine, Los Angeles, California 90054-0700, USA
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Potts W, Tucker D, Wood H, Martin C. Chicken beta-globin 5'HS4 insulators function to reduce variability in transgenic founder mice. Biochem Biophys Res Commun 2000; 273:1015-8. [PMID: 10891364 DOI: 10.1006/bbrc.2000.3013] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Transgenic mice and rats play a vital role in the study of human diseases and the advancement of drug development within the pharmaceutical industry. In this report we describe a method which improves the yield of phenotypically desirable transgenic founder mice resulting from each microinjection session and consequently reduces animal requirements for transgenic production. We have shown that by flanking a tyrosinase minigene with tandem copies of the chicken beta-globin 5'HS4 insulator there is a significant reduction in variability between transgenic lines, with resulting mice exhibiting similar levels of coat pigmentation. Furthermore, the presence of insulators leads to visually identical tissue distribution of pigmentation including skin, fur, eyes, points, and foot pads. The overall impact of insulators is to reduce the number of transgenic founders required in order to identity animals with an appropriate expression level and tissue distribution.
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Affiliation(s)
- W Potts
- AstraZeneca Pharmaceuticals, Alderley Park, Mereside, Macclesfield, Cheshire, SK10 4TG, United Kingdom
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Greenacre J, Morgan M, Tucker D. Health effects of landfill sites. Analyses require high quality data. BMJ 2000; 320:1542. [PMID: 10877587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Peterson BS, Leckman JF, Tucker D, Scahill L, Staib L, Zhang H, King R, Cohen DJ, Gore JC, Lombroso P. Preliminary findings of antistreptococcal antibody titers and basal ganglia volumes in tic, obsessive-compulsive, and attention deficit/hyperactivity disorders. Arch Gen Psychiatry 2000; 57:364-72. [PMID: 10768698 DOI: 10.1001/archpsyc.57.4.364] [Citation(s) in RCA: 133] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
BACKGROUND Previous studies have provided preliminary serological evidence supporting the theory that symptoms of tic disorders or obsessive-compulsive disorder (OCD) may be sequelae of prior streptococcal infection. It is unclear, however, whether previously reported associations with streptococcal infection were obscured by the presence of diagnostic comorbidities. It is also unknown whether streptococcal infection is associated in vivo with anatomical alterations of the brain structures that have been implicated in the pathophysiology of these disorders. METHODS Antistreptococcal antibody titers were measured in 105 people diagnosed as having CTD, OCD, or attention-deficit/hyperactivity disorder (ADHD) and in 37 community controls without a disorder. Subjects were unselected with regard to their history of streptococcal exposure. Basal ganglia volumes were measured in 113 of these subjects (79 patients and 34 controls). RESULTS A DSM-IV diagnosis of ADHD was associated significantly with titers of 2 distinct antistreptococcal antibodies, antistreptolysin O and anti-deoxyribonuclease B. These associations remained significant after controlling for the effects of CTD and OCD comorbidity. No significant association was seen between antibody titers and a diagnosis of either CTD or OCD. When basal ganglia volumes were included in these analyses, the relationships between antibody titers and basal ganglia volumes were significantly different in OCD and ADHD subjects compared with other diagnostic groups. Higher antibody titers in these subjects were associated with larger volumes of the putamen and globus pallidus nuclei. CONCLUSIONS These findings suggest that the prior reports of an association between antistreptococcal antibodies and either CTD or OCD may have been confounded by the presence of ADHD. They also support the hypothesis that in susceptible persons who have ADHD or OCD, chronic or recurrent streptococcal infections are associated with structural alterations in basal ganglia nuclei.
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Affiliation(s)
- B S Peterson
- Yale Child Study Center, New Haven, Conn 06520, USA.
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Tucker D, Walton G, Nizza A, Flanagan JR, Drawbaugh D, Friedman CP. "O" pioneers! Trail-blazing CIOs are leading healthcare across the CPR frontier. Interview by Charlene Marietti. Healthc Inform 1999; 16:63-6, 68, 70. [PMID: 10539415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
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Tonnesen AS, LeMaistre A, Tucker D. Electronic medical record implementation barriers encountered during implementation. Proc AMIA Symp 1999:624-6. [PMID: 10566434 PMCID: PMC2232660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023] Open
Abstract
The authors were intimately involved in choosing and implementing a clinical information system for an integrated medical care delivery system. We will describe our experiences in implementing the first stages of an electronic medical record. We will consider the problems encountered, solutions that were found and continuing areas of sub-optimal performance.
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