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Galmiche S, Charmet T, Schaeffer L, Paireau J, Grant R, Chény O, Von Platen C, Maurizot A, Blanc C, Dinis A, Martin S, Omar F, David C, Septfons A, Cauchemez S, Carrat F, Mailles A, Levy-Bruhl D, Fontanet A. Exposures associated with SARS-CoV-2 infection in France: A nationwide online case-control study. THE LANCET REGIONAL HEALTH. EUROPE 2021; 7:100148. [PMID: 34124709 PMCID: PMC8183123 DOI: 10.1016/j.lanepe.2021.100148] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND We aimed to assess the role of different setting and activities in acquiring SARS-CoV-2 infection. METHODS In this nationwide case-control study, cases were SARS-CoV-2 infected adults recruited between 27 October and 30 November 2020. Controls were individuals from the Ipsos market research database matched to cases by age, sex, region, population density and time period. Participants completed an online questionnaire on recent activity-related exposures. FINDINGS Among 3426 cases and 1713 controls, in multivariable analysis, we found an increased risk of infection associated with any additional person living in the household (adjusted-OR: 1•16; 95%CI: 1•11-1•21); having children attending day-care (aOR: 1•31; 95%CI: 1•02-1•62), kindergarten (aOR: 1•27; 95%CI: 1•09-1•45), middle school (aOR: 1•30; 95%CI: 1•15-1•47), or high school (aOR: 1•18; 95%CI: 1•05-1•34); with attending professional (aOR: 1•15; 95%CI: 1•04-1•26) or private gatherings (aOR: 1•57; 95%CI: 1•45-1•71); and with having frequented bars and restaurants (aOR: 1•95; 95%CI: 1•76-2•15), or having practiced indoor sports activities (aOR: 1•36; 95%CI: 1•15-1•62). We found no increase in risk associated with frequenting shops, cultural or religious gatherings, or with transportation, except for carpooling (aOR: 1•47; 95%CI: 1•28-1•69). Teleworking was associated with decreased risk of infection (aOR: 0•65; 95%CI: 0•56-0•75). INTERPRETATION Places and activities during which infection prevention and control measures may be difficult to fully enforce were those with increased risk of infection. Children attending day-care, kindergarten, middle and high schools, but not primary schools, were potential sources of infection for the household. FUNDING Institut Pasteur, Research & Action Emerging Infectious Diseases (REACTing), Fondation de France (Alliance" Tous unis contre le virus").
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Galmiche S, Charmet T, Schaeffer L, Paireau J, Grant R, Chény O, Von Platen C, Maurizot A, Blanc C, Dinis A, Martin S, Omar F, David C, Septfons A, Cauchemez S, Carrat F, Mailles A, Levy-Bruhl D, Fontanet A. Exposures associated with SARS-CoV-2 infection in France: A nationwide online case-control study. THE LANCET REGIONAL HEALTH. EUROPE 2021; 7:100148. [PMID: 34124709 DOI: 10.1016/j.lanepe.2021.10014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
BACKGROUND We aimed to assess the role of different setting and activities in acquiring SARS-CoV-2 infection. METHODS In this nationwide case-control study, cases were SARS-CoV-2 infected adults recruited between 27 October and 30 November 2020. Controls were individuals from the Ipsos market research database matched to cases by age, sex, region, population density and time period. Participants completed an online questionnaire on recent activity-related exposures. FINDINGS Among 3426 cases and 1713 controls, in multivariable analysis, we found an increased risk of infection associated with any additional person living in the household (adjusted-OR: 1•16; 95%CI: 1•11-1•21); having children attending day-care (aOR: 1•31; 95%CI: 1•02-1•62), kindergarten (aOR: 1•27; 95%CI: 1•09-1•45), middle school (aOR: 1•30; 95%CI: 1•15-1•47), or high school (aOR: 1•18; 95%CI: 1•05-1•34); with attending professional (aOR: 1•15; 95%CI: 1•04-1•26) or private gatherings (aOR: 1•57; 95%CI: 1•45-1•71); and with having frequented bars and restaurants (aOR: 1•95; 95%CI: 1•76-2•15), or having practiced indoor sports activities (aOR: 1•36; 95%CI: 1•15-1•62). We found no increase in risk associated with frequenting shops, cultural or religious gatherings, or with transportation, except for carpooling (aOR: 1•47; 95%CI: 1•28-1•69). Teleworking was associated with decreased risk of infection (aOR: 0•65; 95%CI: 0•56-0•75). INTERPRETATION Places and activities during which infection prevention and control measures may be difficult to fully enforce were those with increased risk of infection. Children attending day-care, kindergarten, middle and high schools, but not primary schools, were potential sources of infection for the household. FUNDING Institut Pasteur, Research & Action Emerging Infectious Diseases (REACTing), Fondation de France (Alliance" Tous unis contre le virus").
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Grant R, Nguyen TTT, Dao MH, Pham HTT, Piorkowski G, Pham TDT, Cao TM, Huynh LTK, Nguyen QH, Vien LDK, Lemoine F, Zhukova A, Hoang DTN, Nguyen HT, Nguyen NT, Le LB, Ngo MNQ, Tran TC, Le NNT, Nguyen MN, Pham HT, Hoang TTD, Dang TV, Vu AT, Nguyen QNT, de Lamballerie X, Pham QD, Luong QC, Fontanet A. Maternal and neonatal outcomes related to Zika virus in pregnant women in Southern Vietnam: An epidemiological and virological prospective analysis. LANCET REGIONAL HEALTH-WESTERN PACIFIC 2021; 11:100163. [PMID: 34327365 PMCID: PMC8315393 DOI: 10.1016/j.lanwpc.2021.100163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 01/18/2023]
Abstract
Background In 2016-2017, 68 women in Southern Vietnam had RT-PCR confirmed Zika virus (ZIKV) infection during pregnancy. We report here the outcomes of the pregnancies and the virological analyses related to this outbreak. Methods We collected clinical and epidemiological information from the women who were enrolled in the study. Medical records related to the pregnancy in 2016-2017 were retrieved for those who were not able to be enrolled in the study. Children born to women with ZIKV infection during pregnancy were also enrolled. Serum samples were evaluated for presence of ZIKV antibodies. Phylogenetic analyses were performed on Zika virus genomes sequenced from the 2016-2017 serum samples. Findings Of the 68 pregnancies, 58 were livebirths and 10 were medically terminated. Four of the medical records from cases of fetal demise were able to be retrieved, of which one was consistent with congenital ZIKV infection. Of the 58 women with a livebirth, 21 participated in the follow-up investigation. All but two women had serologic evidence of ZIKV infection. Of the 21 children included in the study (mean age: 30.3 months), 3 had microcephaly at birth. No other clinical abnormalities were reported and no differences in neurodevelopment were observed compared to a control group. Phylogenetic analysis revealed a clade within the ZIKV Asian lineage and branch at the root of samples from the 2013-2014 French Polynesian outbreak. The prM S139N mutation was not observed. Interpretation We have been able to demonstrate a clade within the ZIKV Asian lineage implicated in adverse pregnancy outcomes in Southern Vietnam. Funding INCEPTION project (PIA/ANR-16-CONV-0005) and a grant received from BNP Paribas Simplidon.
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Jenkinson PW, Plevris N, Lyons M, Grant R, Fulforth J, Kirkwood K, Arnott ID, Wilson D, Watson AJM, Jones GR, Lees CW. Analysis of colectomy rates for ulcerative colitis in pre- and postbiological eras in Lothian, Scotland. Colorectal Dis 2021; 23:1175-1183. [PMID: 33350054 DOI: 10.1111/codi.15491] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/30/2020] [Accepted: 12/07/2020] [Indexed: 12/15/2022]
Abstract
AIM Biological treatment is effective in maintaining remission in ulcerative colitis (UC), although the effect on colectomy rates remains unclear. In the UK the use of antitumour necrosis factor and anti-α4β7 treatments for maintenance therapy in UC was restricted until 2015. The aim of this study was to describe the impact that this change in the prescribing of biologicals had on colectomy rates for UC. METHOD All patients (adult and paediatric) with a diagnosis of UC who received maintenance biological treatment and/or underwent a colectomy in Lothian, Scotland between 2005 and 2018 were identified. Linear and segmental regression analyses were used to identify the annual percentage change (APC) and temporal trends (statistical joinpoints) in biological prescription and colectomy rates. RESULTS Rates of initiation of maintenance biological therapy increased from 0.05 per 100 UC patients in 2005 to 1.26 in 2018 (p < 0.001). Colectomy rates per 100 UC patients fell from 1.47 colectomies in 2005 to 0.44 in 2018 (p < 0.001). The APC for colectomy decreased by 4.1% per year between 2005 and 2014 and by 18.9% between 2014 and 2018. Temporal trend analysis (2005-2018) identified a significant joinpoint in colectomy rates in 2014 (p = 0.019). CONCLUSION The use of maintenance biological therapy increased sharply following the change in guidance. This has been paralleled by a significant reduction in the rates of colectomy over the same time period.
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Fontanet A, Tondeur L, Grant R, Temmam S, Madec Y, Bigot T, Grzelak L, Cailleau I, Besombes C, Ungeheuer MN, Renaudat C, Perlaza BL, Arowas L, Jolly N, Pellerin SF, Kuhmel L, Staropoli I, Huon C, Chen KY, Crescenzo-Chaigne B, Munier S, Charneau P, Demeret C, Bruel T, Eloit M, Schwartz O, Hoen B. SARS-CoV-2 infection in schools in a northern French city: a retrospective serological cohort study in an area of high transmission, France, January to April 2020. Euro Surveill 2021; 26:2001695. [PMID: 33860747 PMCID: PMC8167414 DOI: 10.2807/1560-7917.es.2021.26.15.2001695] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 02/16/2021] [Indexed: 01/15/2023] Open
Abstract
BackgroundChildren's role in SARS-CoV-2 epidemiology remains unclear. We investigated an initially unnoticed SARS-CoV-2 outbreak linked to schools in northern France, beginning as early as mid-January 2020.AimsThis retrospective observational study documents the extent of SARS-CoV-2 transmission, linked to an affected high school (n = 664 participants) and primary schools (n = 1,340 study participants), in the context of unsuspected SARS-CoV-2 circulation and limited control measures.MethodsBetween 30 March and 30 April 2020, all school staff, as well as pupils and their parents and relatives were invited for SARS-CoV-2 antibody testing and to complete a questionnaire covering symptom history since 13 January 2020.ResultsIn the high school, infection attack rates were 38.1% (91/239), 43.4% (23/53), and 59.3% (16/27), in pupils, teachers, and non-teaching staff respectively vs 10.1% (23/228) and 12.0% (14/117) in the pupils' parents and relatives (p < 0.001). Among the six primary schools, three children attending separate schools at the outbreak start, while symptomatic, might have introduced SARS-CoV-2 there, but symptomatic secondary cases related to them could not be definitely identified. In the primary schools overall, antibody prevalence in pupils sharing classes with symptomatic cases was higher than in pupils from other classes: 15/65 (23.1%) vs 30/445 (6.7%) (p < 0.001). Among 46 SARS-CoV-2 seropositive pupils < 12 years old, 20 were asymptomatic. Whether past HKU1 and OC43 seasonal coronavirus infection protected against SARS-CoV-2 infection in 6-11 year olds could not be inferred.ConclusionsViral circulation can occur in high and primary schools so keeping them open requires consideration of appropriate control measures and enhanced surveillance.
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Grant R, Dub T, Andrianou X, Nohynek H, Wilder-Smith A, Pezzotti P, Fontanet A. SARS-CoV-2 population-based seroprevalence studies in Europe: a scoping review. BMJ Open 2021; 11:e045425. [PMID: 33795310 PMCID: PMC8021754 DOI: 10.1136/bmjopen-2020-045425] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 02/09/2021] [Accepted: 02/25/2021] [Indexed: 01/05/2023] Open
Abstract
OBJECTIVES We aimed to review SARS-CoV-2 seroprevalence studies conducted in Europe to understand how they may be used to inform ongoing control strategies for COVID-19. DESIGN Scoping review of peer-reviewed publications and manuscripts on preprint servers from January 2020 to 15 September 2020. PRIMARY MEASURE Seroprevalence estimate (and lower and upper CIs). For studies conducted across a country or territory, we used the seroprevalence estimate and the upper and lower CIs and compared them to the total number of reported infections to calculate the ratio of reported to expected infections. RESULTS We identified 23 population-based seroprevalence studies conducted in Europe. Among 12 general population studies, seroprevalence ranged from 0.42% among residual clinical samples in Greece to 13.6% in an area of high transmission in Gangelt, Germany. Of the eight studies in blood donors, seroprevalence ranged from 0.91% in North-Western Germany to 23.3% in a high-transmission area in Lombardy region, Italy. In three studies which recruited individuals through employment, seroprevalence ranged from 0.5% among factory workers in Frankfurt, Germany, to 10.2% among university employees in Milan, Italy. In comparison to nationally reported cases, the extent of infection, as derived from these seroprevalence estimates, is manyfold higher and largely heterogeneous. CONCLUSION Exposure to the virus in Europe has not reached a level of infection that would prevent further circulation of the virus. Effective vaccine candidates are urgently required to deliver the level of immunity in the population.
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Grant R, Coopman K, Silva-Gomes S, Campbell JJ, Kara B, Braybrook J, Petzing J. Assessment of Protocol Impact on Subjectivity Uncertainty When Analyzing Peripheral Blood Mononuclear Cell Flow Cytometry Data Files. Methods Protoc 2021; 4:24. [PMID: 33808088 PMCID: PMC8103269 DOI: 10.3390/mps4020024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 12/21/2022] Open
Abstract
Measured variability of product within Cell and Gene Therapy (CGT) manufacturing arises from numerous sources across pre-analytical to post-analytical phases of testing. Operators are a function of the manufacturing process and are an important source of variability as a result of personal differences impacted by numerous factors. This research uses measurement uncertainty in comparison to Coefficient of Variation to quantify variation of participants when they complete Flow Cytometry data analysis through a 5-step gating sequence. Two study stages captured participants applying gates using their own judgement, and then following a diagrammatical protocol, respectively. Measurement uncertainty was quantified for each participant (and analysis phase) by following Guide to the Expression of Uncertainty in Measurement protocols, combining their standard deviations in quadrature from each gating step in the respective protocols. When participants followed a diagrammatical protocol, variation between participants reduced by 57%, increasing confidence in a more uniform reported cell count percentage. Measurement uncertainty provided greater resolution to the analysis processes, identifying that most variability contributed in the Flow Cytometry gating process is from the very first gate, where isolating target cells from dead or dying cells is required. This work has demonstrated the potential for greater usage of measurement uncertainty within CGT manufacturing scenarios, due to the resolution it provides for root cause analysis and continuous improvement.
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Grant R, Fléchelles O, Tressières B, Dialo M, Elenga N, Mediamolle N, Mallard A, Hebert JC, Lachaume N, Couchy E, Hoen B, Fontanet A. In utero Zika virus exposure and neurodevelopment at 24 months in toddlers normocephalic at birth: a cohort study. BMC Med 2021; 19:12. [PMID: 33472606 PMCID: PMC7819189 DOI: 10.1186/s12916-020-01888-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 12/11/2020] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND In utero exposure to Zika virus (ZIKV) is known to be associated with birth defects. The impact of in utero ZIKV exposure on neurodevelopmental outcomes in early childhood remains unclear. The objective of this study was to determine the impact of in utero ZIKV exposure on neurodevelopment at 24 months of age among toddlers who were born normocephalic to women who were pregnant during the 2016 ZIKV outbreak in French territories in the Americas. METHODS We conducted a population-based mother-child cohort study of women whose pregnancies overlapped with the 2016 ZIKV epidemic in Guadeloupe, Martinique, and French Guiana. Infants were included in this analysis if maternal ZIKV infection during pregnancy could be determined, the newborn had a gestational age ≥ 35 weeks, there were no abnormal transfontanelle cerebral ultrasound findings after delivery or no abnormal ultrasound findings on the last ultrasound performed during the third trimester of the mother's pregnancy, there was an absence of microcephaly at birth, and the parent completed the 24-month neurodevelopment assessment of the infant at 24 months (± 1 month) of age. ZIKV exposure of the toddler was determined by evidence of maternal ZIKV infection during pregnancy. Neurodevelopment assessments included the Ages and Stages Questionnaire (ASQ) for five dimensions of general development-communication, gross motor, fine motor, problem solving, and personal-social skills; the Modified Checklist for Autism on Toddlers (M-CHAT) for behavior; and the French MacArthur Inventory Scales (IFDC) for French language acquisition. RESULTS Between June 2018 and August 2019, 156 toddlers with and 79 toddlers without in utero ZIKV exposure completed neurodevelopment assessments. Twenty-four (15.4%) ZIKV-exposed toddlers and 20 (25.3%) ZIKV-unexposed toddlers had an ASQ result below the reference - 2SD cut-off (P = 0.10) for at least one of the five ASQ dimensions. CONCLUSION In one of the largest population-based cohorts of in utero ZIKV-exposed, normocephalic newborns to date, there were minimal differences apparent in neurodevelopment outcomes at 24 months of age compared to ZIKV-unexposed toddlers at 24 months of age. TRIAL REGISTRATION ClinicalTrials.gov, NCT02810210 . Registered 20 June 2016.
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Tan C, Chan D, Grant R, Manganas C. P09 Aortocavitary Fistula: A Rare Complication of Serratia Marcescens Endocarditis. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.03.212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Grant R, Coopman K, Medcalf N, Silva-Gomes S, Campbell JJ, Kara B, Braybrook J, Petzing J. Quantifying Operator Subjectivity within Flow Cytometry Data Analysis as a Source of Measurement Uncertainty and the Impact of Experience on Results. PDA J Pharm Sci Technol 2021; 75:33-47. [PMID: 33067330 DOI: 10.5731/pdajpst.2019.011213] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Flow cytometry is a complex measurement characterization technique, utilized within the manufacture, measurement, and release of cell and gene therapy products for rapid, high-content, and multiplexed discriminatory cell analysis. A number of factors influence the variability in the measurement reported including, but not limited to, biological variation, reagent variation, laser and optical configurations, and data analysis methods. This research focused on understanding the contribution of manual operator variability within the data analysis phase. Thirty-eight participants completed a questionnaire, providing information about experience and motivational factors, before completing a simple gating study. The results were analyzed using gauge repeatability and reproducibility techniques to quantify participant uncertainty. The various stages of the gating sequence were combined through summation in quadrature and expanded to give each participant a representative uncertainty value. Of the participants surveyed, 85% preferred manual gating to automated data analysis, with the primary reasons being legacy ("it's always been done that way") and accuracy, not in the metrological sense but in the clear definition of the correct target population. The median expanded uncertainty was calculated as 3.6% for the population studied, with no significant difference among more or less experienced users. Operator subjectivity can be quantified to include within measurement uncertainty budgets, required for various standards and qualifications. An emphasis on biomanufacturing measurement terminology is needed to help understand future and potential solutions, possibly looking at translational clinical models to engage and enhance better training and protocols within industrial and research settings.
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Grant R. Archivists Managing Research Data? a Survey of Irish Organisations. INTERNATIONAL JOURNAL OF DIGITAL CURATION 2020. [DOI: 10.2218/ijdc.v15i1.693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This paper describes a survey undertaken in 2017 to establish which research data management policies and practices were in place at Irish organisations; the extent to which archivists and records managers were employed to manage research data at those organisations; and the impact that archival skills have on research data management at an organisation. The paper describes the survey methods and data analysis, and presents findings including the presence of archivists and records managers at more than half of the surveyed organisations. Next steps for the research are also outlined.
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Pearce R, Grant R. Do Open Data Badges Influence Author Behaviour? a Case Study at Springer Nature. INTERNATIONAL JOURNAL OF DIGITAL CURATION 2020. [DOI: 10.2218/ijdc.v15i1.694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Digital badges have previously been shown to incentivise journal authors to share their data openly. In this paper we introduce an Open data badging project at the Springer Nature journal BMC Microbiology. The development of the Open data badge is described, as well as the challenges of developing standard badging criteria and ensuring authors’ awareness of the badges. Next steps for the badging project are outlined, which are based on the experiences of the team assessing the badges, the number of badges awarded at the journal to date, and the results of an author survey.
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Devarshi P, Chung R, Reider C, Grant R, Hazels Mitmesser S. Nutrient Gaps in US Adults by Age and Gender: Vitamin A, D, E, K, C, Magnesium, Calcium, Choline and Dietary Fiber. J Acad Nutr Diet 2020. [DOI: 10.1016/j.jand.2020.06.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fafi-Kremer S, Bruel T, Madec Y, Grant R, Tondeur L, Grzelak L, Staropoli I, Anna F, Souque P, Fernandes-Pellerin S, Jolly N, Renaudat C, Ungeheuer MN, Schmidt-Mutter C, Collongues N, Bolle A, Velay A, Lefebvre N, Mielcarek M, Meyer N, Rey D, Charneau P, Hoen B, De Seze J, Schwartz O, Fontanet A. Serologic responses to SARS-CoV-2 infection among hospital staff with mild disease in eastern France. EBioMedicine 2020; 59:102915. [PMID: 32747185 PMCID: PMC7502660 DOI: 10.1016/j.ebiom.2020.102915] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/10/2020] [Accepted: 07/10/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The serologic response of individuals with mild forms of SARS-CoV-2 infection is poorly characterized. METHODS Hospital staff who had recovered from mild forms of PCR-confirmed SARS-CoV-2 infection were tested for anti-SARS-CoV-2 antibodies using two assays: a rapid immunodiagnostic test (99.4% specificity) and the S-Flow assay (~99% specificity). The neutralizing activity of the sera was tested with a pseudovirus-based assay. FINDINGS Of 162 hospital staff who participated in the investigation, 160 reported SARS-CoV-2 infection that had not required hospital admission and were included in these analyses. The median time from symptom onset to blood sample collection was 24 days (IQR: 21-28, range 13-39). The rapid immunodiagnostic test detected antibodies in 153 (95.6%) of the samples and the S-Flow assay in 159 (99.4%), failing to detect antibodies in one sample collected 18 days after symptom onset (the rapid test did not detect antibodies in that patient). Neutralizing antibodies (NAbs) were detected in 79%, 92% and 98% of samples collected 13-20, 21-27 and 28-41 days after symptom onset, respectively (P = 0.02). INTERPRETATION Antibodies against SARS-CoV-2 were detected in virtually all hospital staff sampled from 13 days after the onset of COVID-19 symptoms. This finding supports the use of serologic testing for the diagnosis of individuals who have recovered from SARS-CoV-2 infection. The neutralizing activity of the antibodies increased overtime. Future studies will help assess the persistence of the humoral response and its associated neutralization capacity in recovered patients. FUNDINGS The funders had no role in study design, data collection, interpretation, or the decision to submit the work for publication.
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Grant R, Nguyen LBL, Breban R. Modelling human-to-human transmission of monkeypox. Bull World Health Organ 2020; 98:638-640. [PMID: 33012864 PMCID: PMC7463189 DOI: 10.2471/blt.19.242347] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 03/18/2020] [Accepted: 05/12/2020] [Indexed: 12/27/2022] Open
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Grant R, Malik MR, Elkholy A, Van Kerkhove MD. A Review of Asymptomatic and Subclinical Middle East Respiratory Syndrome Coronavirus Infections. Epidemiol Rev 2020; 41:69-81. [PMID: 31781765 PMCID: PMC7108493 DOI: 10.1093/epirev/mxz009] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 04/02/2019] [Accepted: 09/09/2019] [Indexed: 12/14/2022] Open
Abstract
The epidemiology of Middle East respiratory syndrome coronavirus (MERS-CoV) since 2012 has been largely characterized by recurrent zoonotic spillover from dromedary camels followed by limited human-to-human transmission, predominantly in health-care settings. The full extent of infection of MERS-CoV is not clear, nor is the extent and/or role of asymptomatic infections in transmission. We conducted a review of molecular and serological investigations through PubMed and EMBASE from September 2012 to November 15, 2018, to measure subclinical or asymptomatic MERS-CoV infection within and outside of health-care settings. We performed retrospective analysis of laboratory-confirmed MERS-CoV infections reported to the World Health Organization to November 27, 2018, to summarize what is known about asymptomatic infections identified through national surveillance systems. We identified 23 studies reporting evidence of MERS-CoV infection outside of health-care settings, mainly of camel workers, with seroprevalence ranges of 0%–67% depending on the study location. We identified 20 studies in health-care settings of health-care worker (HCW) and family contacts, of which 11 documented molecular evidence of MERS-CoV infection among asymptomatic contacts. Since 2012, 298 laboratory-confirmed cases were reported as asymptomatic to the World Health Organization, 164 of whom were HCWs. The potential to transmit MERS-CoV to others has been demonstrated in viral-shedding studies of asymptomatic MERS infections. Our results highlight the possibility for onward transmission of MERS-CoV from asymptomatic individuals. Screening of HCW contacts of patients with confirmed MERS-CoV is currently recommended, but systematic screening of non-HCW contacts outside of health-care facilities should be encouraged.
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A, Stubbs B, Fordyce W, Suchdev N, Lim SW, Tew ZY, Sookramanien SR, Chan A, Bointas G, Paul M, Ward KL, Bagnall M, Pherwani SA, Wang K, Mitchell L, Heyworth J, Ayyar S, Obukofe R, Polson R, Mason D, Mackenzie E, Russell C, Doyle N, Habib Z, Zardab M, Sartaj F, Farooq H, Tabibi M, Drury DJ, James SJ, Barnett R, Cahya E, Lou G, Coyle M, Homyer K, Zhu LY, Woods M, Chang J, O'Callaghan H, Suchett-Kaye I, Mihailidis TH, Alawattegama H, Seite E, Barrett A, Riordan E, Lam W, Dowdeswell M, Mulvenna C, Netke T, Awokoya O, Gurowich L, Dhera K, Hayat S, Williams L, Tincknell L, Spazzapan M, Teeling F, Sysum K, Latter J, Latter M, Khan S, Woodmass M, Hayden H, Kisiel A, Ali Y, Husain S, Arnold A, Pedersen AC, Cunha P, Ahmed M, Al Zawawi S, Kudva V, Liu FY, Theodoropoulou K, Miscampbell M, Robinson AV, Johnston J, Dharni A, Lamb S, Westerman T, Evans E, Campbell L, Gillespie M, Cheong CM, Kulathevanayagam K, Varghese A, Ike SI, Chu TSM, Baljer B, Mogg JAW, Rai P, Claireaux HA, Williams M, Smillie R, Goetz J, Appleby E, Fadipe T, Vaughan-Burleigh S, Mondal A, Jovaisaite A, Shah SM, Khalid N, Gutmann D, Davison S, Alame YJ, Syed L, Owen WJ, Ahsan SD, Kalderon R, Anthony-Uzoeto U, Hall CM, Zheng S, Wynter K, James C, Sapre D, Ghosh R, Baird J, Cockburn L, Blackwood O, Nadama HH, Simpson W, Jeong S, Bishop S, Bate R, Hobson C, Adam AH, Redclift C, Do J, Adeleye O, Poli F, Batterham A, Brown S, Parekh JN, Clay W, Pieri K, Jackson A, Brown S, Saxena A, Gurung B, Oyebola T, O'Brien F, Djeugam B, Gardezi S, Ul-Hasan S, Martin-Hernandez MP, Sisley M, Modi S, Antakia R, Elbayouk A, Soh YJ, Mather J, Yusuf Z, Al-Sarraf Z, Naja M, Rassool SB, Convill J, Nikookam Y, Warsame A, Tam JPH, Pace C, Kiandee M, Ridwan R, Carey C, Hirri F, McMillan MJA, Ling JJ, Powell-Chandler A, Pendelbury L, Kerimzade K, Tang A, Howard EO, Humayun S, Wadsworth OJ, Tan K, Abdelhameed F, Haglund C, Radnaeva I, Hu N, Rambhatla S, Waldron D, Madahar P, Malik S, Campbell A, Meney LC, Ibrahim I, Kang CK, Chiu JZJ, 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Tjoakarfa J, Giri A, Suresan S, Thavayogan R, Hey CY, Thomas P, Johnson TA, Williams RI, Rashid A, Kushairi A, Rais A, James A, Bugelli M, Chechelnitskaya Y, Sandhu N, Toh C, Tandon R, Gray M, Kumar A, Ciurleo C, Nyamali I, Hiremath S, Sinha S, Chowdhary M, Bradley E, McTiernan M, Macdonald S, Sharkey S, McLaughlin N, Amey C, Kraria L, Skan O, Kind C, Findlay JM, Tupper P, Van Rhee C, Honeyman SI, Menon G, Ahmed M, Jegatheeswaran L, Griffiths N, Madhavan A, Warne M, Malcolm FL, Lessware T, Wilkerson HT, Chatterjee-Woolman S, Yoong A, Ahmed WUR, Longshaw A, Flannery O, Green R, Leaning M, Cragg J, Sharriff H, Doherty C, Ganesananthan S, Kwan KWL, Sanders-Crook L, Bhatia S, Eames S, Lewis F, Kirupananthan P, Boh ZY, Dass S, Soma A, Newton A, Hill M, Shafiq Y, Brkljac M, Boyce L, Jasionowska S, English WJ, Lam S, Chipeta C, Yilmaz D, Jain C, Garofalidou T, Novotny SA, Locke S, Bowman C, Begaj A, Murphy C, Radcliffe K, Chong JT, Poustie M, Jeffrey E, Chaudhury N, Rajendran K, Akbar Z, Walters B, Kulendrarajah B, Tran N, Shrestha S, Parmar S, Gallagher C, Hennessy L, Pentti E, Badhrinarayanan S, Fung A, Mansoor M, Kenny R, Kan P, Lee DE, Khosla S, Samake M, Shaban F, Aftab R, Gough M, Woodburn B, Vayalapra S, McMurrugh K, Wong C, Jimulia D, Deol S, Pike S, Embury-Young Y, Turner T, Patel M, Kilgallon E, Keating R, Walsh A, Khan H, Logue G, Orekoya M, Alasmar M, Charalambides M, Llavall AC, Williamson E, Bharwada Y, Zearmal S, Evans H, Panikkar M, de la Cruz G, Caplan J, Ruparelia A, Tanvir T, Soare C, Pang YL, Trotter J, Zaidi A, Thakrar V, Pulickal P, Ahmed H, Parnell J, Khan H, Lennock S, Ford V, Pyc W, Brignall R, O'Neill D, Hanna R, Kane R, Nicola M, Rajput K, Xiao Y, Warner C, Michael S, Wright E, Juniper S, Thompson E, Hoskyns L, Kanitkar A, Ross C, Unsworth A, Rshaidat H, Demarre K, Chiang A, Bareh A, van Dellen J, Faqihinejad C, Gadhvi A, Grant R, Lewsey J, Morris A, Martin H, McClarty C, Sanyal S, Alsaif A, Palkhi A, Bhopal S, Burford C, Huq T, Sloper W, 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Hollywood JL, Saiyed A, Hammond RFL, Matthews J, Mendonca V, Spinty J, Khan K, Cheng J, Glynn N, Muhammad U, Khan M, Anderson L, Mccormack K, Mak J, Patrawala S, Milinkovic N, Schofield R, Chauhan M, Hartley L, Hind J, Ashworth I, Nelson L, Ratnasingham D, Akbari K, Whitehead T, Dimitriadis S, Marshall K, Flint EJ, Curran M, Horner C, Heybourne A, Morgan H, Wickstone C, Panagiotou D, O'Connell E, Dean K, Iqbal R, Walsh L, Yu N, Rana N, Massie E, Ng J, Jung M, Lee YD, Harris M, White S, Delibegovic S, Boev B, Tonchev P, Prochazka V, Örhalmi J, Riško J, Skalický A, Chrz K, Ravn S, Ojakããr A, Duchalais E, Dörr-Harim C, Herrle F, Koutserimpas C, Giraudo G, Armellini A, Ruzzenente A, Mazzeo C, De Padua C, Luc AR, Maroli A, Vitali M, Ceccarelli G, Gusai GP, Quattromani R, Virgilio E, Berti S, Mulas S, Di Mola FF, Papagni V, Tuminello F, Magnoli M, Vittori L, Longheu A, Loche GA, Braccio B, De Luca E, Resta G, Ancans G, Tamosiunas A, Petrulionis M, Abdulrahman N, van de Pas KGH, Thomas G, Brandsma AM, Davids J, Rottier SJ, de Roy van Zuidewijn D, Hawkins R, Ong HI, Li Y, Desmond B, Winstanley J, Martins M, Rosete M, Americano M, Santos M, Frade S, Senhorinho R, Peixoto R, João AA, Alves-Vale C, Lamas M, O'Connor DB, Hoo M, Gopaul A, Scanlon K, O'Dwyer N, Negoi I, Jovanović M, Panyko A, De Lima H, Van Vuuren S, Centeno A, Bernado IR, Señorans MPG, Amor LG, Ramírez AC, Abrisqueta J, Gomez ME, Arroyo A, Cerdán C, Romeu NG, Forero-Torres A, Enriquez-Navascues JM, Collado-Roura F, Curchod P, Gaspar S, Imadalou L, Mutlu D, Akyol C, Uygur FA, Eray IC, Biyiklioglu O, Çetin MF, Isik AE, Karip B, Dogan H, Sarıgül L, Tunc E, Aydin T, Bodur S, Karabulut K, Francis AA, Al-hadithi A, Lau ISF, Smith E, Mahapatra S, McAuliffe O, Francis AA, Imam L, Akram B, Hossaini S, Davies R, Ko M, Collins J, Pandya A, Reilly S, Archer J, Livie J, Chaudhry FA, Ntakomyti E, Diallo R, Bylinski T, Wright J, Lawday S, Masiha E, Tung J, Shirazi B, Neilson A, Epton S, Patel N, Trussell S, Couldrey A, Donnelly C, Eftychiou S. Safety of hospital discharge before return of bowel function after elective colorectal surgery. Br J Surg 2020; 107:552-559. [PMID: 31976560 DOI: 10.1002/bjs.11422] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/06/2019] [Accepted: 10/08/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Ileus is common after colorectal surgery and is associated with an increased risk of postoperative complications. Identifying features of normal bowel recovery and the appropriateness for hospital discharge is challenging. This study explored the safety of hospital discharge before the return of bowel function. METHODS A prospective, multicentre cohort study was undertaken across an international collaborative network. Adult patients undergoing elective colorectal resection between January and April 2018 were included. The main outcome of interest was readmission to hospital within 30 days of surgery. The impact of discharge timing according to the return of bowel function was explored using multivariable regression analysis. Other outcomes were postoperative complications within 30 days of surgery, measured using the Clavien-Dindo classification system. RESULTS A total of 3288 patients were included in the analysis, of whom 301 (9·2 per cent) were discharged before the return of bowel function. The median duration of hospital stay for patients discharged before and after return of bowel function was 5 (i.q.r. 4-7) and 7 (6-8) days respectively (P < 0·001). There were no significant differences in rates of readmission between these groups (6·6 versus 8·0 per cent; P = 0·499), and this remained the case after multivariable adjustment for baseline differences (odds ratio 0·90, 95 per cent c.i. 0·55 to 1·46; P = 0·659). Rates of postoperative complications were also similar in those discharged before versus after return of bowel function (minor: 34·7 versus 39·5 per cent; major 3·3 versus 3·4 per cent; P = 0·110). CONCLUSION Discharge before return of bowel function after elective colorectal surgery appears to be safe in appropriately selected patients.
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Grant R, Smith G, Hrynaszkiewicz I. Assessing Metadata and Curation Quality. INTERNATIONAL JOURNAL OF DIGITAL CURATION 2020. [DOI: 10.2218/ijdc.v14i1.599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Since 2017, the publisher Springer Nature has provided an optional Research Data Support service to help researchers deposit and curate data that support their peer-reviewed publications. This service builds on a Research Data Helpdesk, which since 2016 has provided support to authors and editors who need advice on the options available for sharing their research data. In this paper, we describe a short project which aimed to facilitate an objective assessment of metadata quality, undertaken during the development of a third-party curation service for researchers (Research Data Support). We provide details on the single-blind user-testing that was undertaken, and the results gathered during this experiment. We also briefly describe the curation services which have been developed and introduced following an initial period of testing and piloting.
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Chapman SJ, Clerc D, Blanco-Colino R, Otto A, Nepogodiev D, Pagano G, Schaeff V, Soares A, Zaffaroni G, Žebrák R, Hodson J, Blanco-Colino R, Chapman SJ, Glasbey JC, Pata P, Pellino G, Sgrò A, Soares A, Elst T, Van Straten S, Knowles CH, Nepogodiev D, Hodson J, Borakati A, Bath MF, Yasin IH, Mclean K, Arthur T, Kovacevic M, Delibegovic S, Karamanliev M, Swamad M, Žebrák R, Paramasivam R, Martensen A, Larsen HM, Rädeker L, Frey PE, Kechagias A, Venara A, Duchalais E, Ioannidis A, Pata F, Pellino G, Pasquali S, Sgrò A, Simioni A, Farina V, Podda M, Lorenzon L, Schaeff V, Otto A, Jakubauskas M, Elst TR, Chu M, Fagan PVB, Wells CI, Alagoa João A, Soares A, Juloski J, Clerc D, Ciubotaru C, Popescu S, Yanishev A, Lee S, Ozkan BB, Yagız Sen A, Aktas MK, Baki BE, Yüksek B, Glasbey JC, Kamarajah S, Mclean K, Borakati A, Yasin IH, Khaw RA, Mills E, Goodson R, Thakral N, Ablett AD, Adra M, Kwek I, Khan SM, Quinn P, Manley LR, Badran A, Ramjeeawon A, Campbell A, Tan HL, Rye DS, Rajaraman N, Norman JG, Vutipongsatorn K, Solomou G, Akhbari M, Ali A, Murray V, Baker DM, Brandao BD, Stainer B, Thavayogan R, Jones D, Onafowokan OO, Gharooni A, Dabab N, Carlton-Carew S, Kungwengwe G, Gabriel M, Sewart E, Shortland TC, Lawday S, Pockney P, Dawson A, Arthur T, Brumfitt CD, Stewart P, Ng B, Luong JK, Delibegovic S, Ivanov V, Borisova A, Neykov V, Kunčarová K, Kološová B, Antonova T, Farkašová M, Žebrák R, Harbjerg JL, Brandsborg S, Brinck S, Kjaer MD, Mark-Christensen A, Unbehaun KP, Dalsgaard P, Lycke KD, Kechagias A, LeNaoures P, Duchalais E, Brigand C, Dumange E, Gout M, Moehwald C, Prem M, Alhalabi O, Sliwinski S, Krupp J, Gablenz E, Schmitzer L, Kopp A, Steinle J, Gsenger J, Pohl LJ, Riccardi M, Christodoulou IM, Konstantinidis M, Machairas N, Zoikas A, Balalis D, Manatakis DK, Aguilera ML, Sgrò A, Simioni A, Marano L, Fleres F, Lovisetto F, Sasia D, Segalini E, Pata G, Lucchi A, Sagnotta A, Campagnaro T, Petrelli F, Gallo G, Papandrea M, Testa V, Sinibaldi G, Di Candido F, Colombo 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SR, Demirtas B, Cavus T, Yuksek A, Mazlum SS, Yelkenci C, Baran T, Satilmisoglu M, Sahin AZ, Kilinç A, Isik K, Yumurtaci Ö, Emin A, Girit Ç, Yildirak MK, Senyigit E, Güldag A, Söyleyici B, Aytin YE, Akay FE, Iskan NG, Mutlu B, Sunay AO, Ablett AD, Tie-Gill T, Ramsay G, De Paola L, McGuckin S, Alshakhs A, Ahmeidat A, Wong J, Goergen N, Ali Z, Mullarkey L, Bath MF, Walshe R, Lewis E, Berry B, Moneim J, Mookerjee S, Christy S, Ojofeitimi O, Carroll L, Hylands A, Delaugere LP, Reveendran D, Coulter C, Ralston C, Laverty L, Gallagher P, Ahmed A, Yeo YQ, Elliott D, Bennett J, Mcnamara M, Sivarajah S, Dunmore C, Aitken G, Nair M, Aly MH, Buari M, Farhan-Alanie MMH, Ahmed K, Sheikh Z, Monks M, Lehmann J, Rotimi O, Bell T, Limnatitou D, Gormley S, Taleongpong P, Patel V, Macgregor L, Amini S, Turner C, Dwyer-Hemmings L, Busuttil A, Powell J, Hensher C, Vivian F, Wcislo K, Millar Z, Hirosue S, Ogunmwonyi I, Nakakande D, Kwek I, Gaze H, Nirmalanantha A, Bin Amran AM, Foulkes A, Jones N, Pillai S, Khoury G, Powell T, Maleyko I, Sangheli A, Ransome M, Isse M, Aromolaran O, Bholah H, Anbarasan J, Rehman S, Hu E, Timms S, Reynolds W, Hotchkies A, Misra V, Suresh G, Murray V, Theocharidou L, Malik T, Janmohamed I, Carhart B, Khan A, Asif A, Hullait R, Quinn P, Rylance A, Butt S, Leathes J, Finch BJ, Philip Rajathasan T, Jeddy H, Kyaw HA, Wong N, Karelia S, Clements JM, Rainey M, Joshi N, Rahman A, Gallagher M, Rebuffa N, Abdelgalil R, Siaw Yen Lai R, Laurence N, Thomas S, Green C, Frostick R, Khera R, Povey M, Wong HL, McCusker C, Hlukha L, Pike G, Kamel F, Thakkar R, Donaldson C, Sequeira Campos M, Bhahirathan Y, Armitage MN, Hussain AS, Hardy B, Hassan Serry MY, Herron J, Bradbury M, Osunronbi T, Tam LYC, Khanan Kaabneh A, Lawther J, Fisher P, Tribedi T, Moosa A, Ramdin A, Goble M, Downs E, Wheldon L, Baggus E, Mandal A, Nayeem A, Ahmed S, Fradley W, Wilson C, Gallagher S, Criswell T, Ward J, Mukkavilli A, Stubbs B, Fordyce W, Suchdev N, Wei Lim S, Yi Tew Z, Sookramanien SR, Chan A, Bointas G, Paul M, Ward KL, Bagnall M, Pherwani SA, Wang K, Mitchell L, Heyworth J, Ayyar S, Obukofe R, Polson R, Mason D, Mackenzie E, Russell C, Doyle N, Habib Z, Zardab M, Sartaj F, Farooq H, Tabibi M, Drury DJ, James SJ, Barnett R, Teasdale AB, Richardson ETJ, Thomas DA, Ahmed S, Williams RL, Najabat-Lattif HF, Cahya E, Lou G, Coyle M, Homyer K, Zhu LY, Woods M, Chang J, O'Callaghan H, Suchett-Kaye I, Mihailidis TH, Alawattegama H, Seite E, Barrett A, Riordan E, Lam W, Dowdeswell M, Mulvenna C, Netke T, Awokoya O, Gurowich L, Dhera K, Hayat S, Williams L, Tincknell L, Spazzapan M, Teeling F, Sysum K, Latter J, Latter M, Khan S, Guruswamy M, Beedham W, Brazier E, Elghobashy M, Bajaj M, Mann H, Etel E, Woodmass M, Hayden H, Kisiel A, Ali Y, Husain S, Arnold A, Pedersen AC, Cunha P, Ahmed M, Al Zawawi S, Kudva V, Liu FY, Theodoropoulou K, Miscampbell M, Robinson AV, Johnston J, Dharni A, Lamb S, Westerman T, Evans E, Campbell L, Gillespie M, Cheong CM, Kulathevanayagam K, Varghese A, Ike SI, Chu TSM, Baljer B, Mogg JAW, Rai P, Claireaux HA, Williams M, Smillie R, Goetz J, Appleby E, Fadipe T, Vaughan-Burleigh S, Puri G, Hussain P, James P, Flather R, Cutler A, Pathak S, Sheldon J, Collicott T, al-Ausi M, Mondal A, Jovaisaite A, Shah SM, Khalid N, Gutmann D, Davison S, Alame YJ, Syed L, Owen WJ, Ahsan SD, Kalderon R, Anthony-Uzoeto U, Macleod Hall C, Zheng S, Wynter K, James C, Sapre D, Ghosh R, Baird J, Cockburn L, Blackwood O, Nadama HH, Simpson W, Jeong S, Bishop S, Bate R, Hobson C, Adam AH, Redclift C, Do J, Adeleye O, Poli F, Batterham A, Brown S, Parekh JN, Clay W, Pieri K, Jackson A, Brown S, Saxena A, Gurung B, Oyebola T, O'Brien F, Djeugam B, Gardezi S, Ul-Hasan S, Martin-Hernandez MP, Sisley M, Modi S, Antakia R, Elbayouk A, Soh YJ, Mather J, Yusuf Z, Al-Sarraf Z, Naja M, Rassool SB, Convill J, Nikookam Y, Warsame A, Tam JPH, Pace C, Kiandee M, Ridwan R, Carey C, Hirri F, McMillan MJA, Ling JJ, Powell-Chandler A, Pendelbury L, Kerimzade K, Tang A, Howard EO, Humayun S, Wadsworth OJ, Tan K, Abdelhameed F, Haglund C, Radnaeva I, Hu N, Rambhatla S, Waldron D, Madahar P, Malik S, Campbell A, Meney LC, Ibrahim I, Kang CK, Chiu JZJ, Livie V, Ibrahim B, Khalil M, Pooley G, Shishkin B, Gorgievska R, Docherty J, Southgate A, Coomes A, McGee F, Flanagan S, Thakrar C, Tan QJ, Anwar H, Clough R, Chrisp B, Cassels J, Cross GWV, Ragavoodoo A, Mercer L, Mercer C, Refalo A, Hadley R, McTighe A, Farrow F, Brodie A, Davis G, Shah DR, Bowers C, Patel S, Morice O, Burzic A, Cheung J, Shashidhara A, Theodoraki G, Birk J, Ong A, Ng MPE, Wong RTW, Maese S, Yeap B, Iqbal Z, Rojoa DM, Cabaleiro Barciela C, Hussain M, Ruddy CM, Lindwe S, Qamar Y, Chuita S, Melaugh T, Hall JD, Palmer C, Kouli O, Hassane ASI, Azhar AW, Tan TK, Perchard W, Scurr T, Davidson K, Campbell E, Kelk L, Ghosh A, Gibbins A, Mala D, Loizidou A, Hall O, Mecia L, Hew C, Varathan K, Tong L, Chandrasekar B, Giacci L, Buchanan E, O'Connell M, Kwak SY, Ong EH, Gardner S, Lim J, Maden C, Illahi M, Hale J, Xuan Tan Z, Edwards S, Stahl R, Stahl J, Hickman A, Collett D, Goolam-Mahomed Z, Allen B, Atiyah A, Ahmad H, Jones J, McGregor O, Ogundiya E, Gan FW, Boulbadaoui A, Kirnon-Jackman O, Lim QX, Peckham H, Yeoh T, Yong SQ, Chen JY, Siva S, Sam ZH, Gilani M, Goh YN, Muthukumar MG, Phillips S, Makin-Taylor R, Tjoakarfa J, Giri A, Suresan S, Thavayogan R, Hey CY, Thomas P, Johnson TA, Williams RI, Rashid A, Kushairi A, Rais A, James A, Bugelli M, Chechelnitskaya Y, Sandhu N, Toh C, Tandon R, Gray M, Kumar A, Ciurleo C, Nyamali I, Hiremath S, Sinha S, Chowdhary M, Bradley E, McTiernan M, Macdonald S, Sharkey S, McLaughlin N, Amey C, Kraria L, Skan O, Kind C, Findlay JM, Tupper P, Van Rhee C, Honeyman SI, Menon G, Ahmed M, Jegatheeswaran L, Griffiths N, Madhavan A, Warne M, Malcolm FL, Lessware T, Wilkerson HT, Chatterjee-Woolman S, Yoong A, Ahmed WUR, Longshaw A, Flannery O, Green R, Leaning M, Cragg J, Sharriff H, Doherty C, Ganesananthan S, Kwan KWL, Sanders-Crook L, Bhatia S, Eames S, Lewis F, Kirupananthan P, Boh ZY, Dass S, Soma A, Newton A, Hill M, Shafiq Y, Brkljac M, Boyce L, Jasionowska S, English WJ, Lam S, Chipeta C, Yilmaz D, Jain C, Garofalidou T, Novotny SA, Locke S, Bowman C, Begaj A, Murphy C, Radcliffe K, Chong JT, Poustie M, Jeffrey E, Chaudhury N, Rajendran K, Akbar Z, Walters B, Kulendrarajah B, Tran N, Shrestha S, Parmar S, Gallagher C, Hennessy L, Pentti E, Badhrinarayanan S, Fung A, Mansoor M, Kenny R, Kan P, Lee DE, Khosla S, Samake M, Shaban F, Aftab R, Gough M, Woodburn B, Vayalapra S, McMurrugh K, Wong C, Jimulia D, Deol S, Pike S, Embury-Young Y, Turner T, Patel M, Kilgallon E, Keating R, Walsh A, Khan H, Logue G, Orekoya M, Alasmar M, Charalambides M, Clavé Llavall A, Williamson E, Bharwada Y, Zearmal S, Evans H, Panikkar M, Cruz G, Caplan J, Ruparelia A, Tanvir T, Soare C, Pang YL, Trotter J, Zaidi A, Thakrar V, Pulickal P, Ahmed H, Parnell J, Khan H, Lennock S, Ford V, Pyc W, Brignall R, O'Neill D, Hanna R, Kane R, Nicola M, Rajput K, Xiao Y, Warner C, Michael S, Wright E, Juniper S, Thompson E, Hoskyns L, Kanitkar A, Ross C, Unsworth A, Rshaidat H, Demarre K, Chiang A, Bareh A, Dellen J, Faqihinejad C, Gadhvi A, Grant R, Lewsey J, Morris A, Martin H, McClarty C, Sanyal S, Alsaif A, Palkhi A, Bhopal S, Vishnu K S, Papanikolaou A, Mitra A, Nur A, Ali F, Burford C, Huq T, Sloper W, Irwin E, Matthews L, Ngu WS, Hosfield T, Muneeb F, Page O, Zeb E, Coey J, Al-Azzawi A, McIntosh J, Vucicevic A, Hughes M, Brooks L, Fanibi B, Dixon M, Njoku P, Morris D, Jobson J, Chowdhury H, Alawode DOT, Wynell-Mayow W, Udayachandran V, Alsoof D, Ekert J, Joseph N, Zulkefley N, Hunt G, Christodoulou T, Wright O, Soman S, Jamal M, Beqiri S, Borgas P, Christie S, Pereira F, Browne S, Yiu J, Dworkin A, Brayley J, Palmer A, Charalambos M, Jones CJ, Toner S, Cowden R, Lee L, Nicol P, Holman O, Imtiaz M, Albert V, Leung SP, Erotocritou M, Wong J, Stroud R, Mason D, Wilkin R, Thomson W, Mackee L, G N, Bei Y, Sait S, Mckenna Favier S, Ibrahim A, Kler A, Reynolds L, Mohamed SH, Majeed Y, Fakim B, Jones A, Kowal M, Liversedge G, Carrington Z, Windebank J, Izzarina A, Akbani U, Craven J, Aldarragi A, Harding S, Millward A, Shortland TC, Bedford M, Stroud R, Obukofe R, Mackenzie E, Gopalan V, Midgen A, Khadka P, Cheng O, Taneja S, Manobharath N, Kok JY, Lim DWE, Buick T, Boland M, Piya S, Devlin R, Fairfield CJ, George RJ, Rahi M, Zaman S, Hajiev S, Ross T, Owen M, Crisp E, Thompson C, Charalambous A, Hollywood JL, Saiyed A, Hammond RFL, Matthews J, Mendonca V, Spinty J, Khan K, Cheng J, Glynn N, Muhammad U, Khan M, Anderson L, Mccormack K, Mak J, Patrawala S, Milinkovic N, Schofield R, Chauhan M, Hartley L, Hind J, Ashworth I, Nelson L, Ratnasingham D, Akbari K, Whitehead T, Dimitriadis S, Marshall K, Flint EJ, Curran M, Horner C, Heybourne A, Morgan H, Wickstone C, Panagiotou D, O'Connell E, Dean K, Iqbal R, Walsh L, Yu N, Rana N, Massie E, Ng J, Jung M, Lee YD, Harris M, White S, Delibegovic S, Boev B, Tonchev P, Prochazka V, Örhalmi J, Riško J, Skalický A, Chrz K, Ravn S, Ojakäär A, Duchalais E, Dörr-Harim C, Herrle F, Koutserimpas C, Giraudo G, Armellini A, Ruzzenente A, Mazzeo C, De Padua C, Realis Luc A, Maroli A, Giani I, Cufari ME, Vitali M, Ceccarelli G, Gusai GP, Quattromani R, Virgilio E, Berti S, Mulas S, Di Mola FF, Papagni V, Tuminello F, Magnoli M, Vittori L, Longheu A, Loche GA, Braccio B, De Luca E, Resta G, Ancans G, Tamosiunas A, Petrulionis M, Andrejevic P, Stellingwerf ME, Abdulrahman N, Pas KGH, Thomas G, Brandsma AM, Davids J, Rottier SJ, Roy van Zuidewijn D, Hawkins R, Ong HI, Li Y, Desmond B, Winstanley J, Martins M, Rosete M, Americano M, Santos M, Frade S, Senhorinho R, Peixoto R, Alagoa João A, Alves-Vale C, Lamas M, O'Connor DB, Hoo M, Gopaul A, Scanlon K, O'Dwyer N, Negoi I, Jovanović M, Panyko A, De Lima H, Van Vuuren S, Curchod P, Gaspar S, Imadalou L, Mutlu D, Akyol C, Uygur FA, Eray IC, Biyiklioglu O, Çetin MF, Isik AE, Karip B, Dogan H, Sarıgül L, Tunc E, Aydin T, Bodur S, Karabulut K, Francis AA, Al-hadithi A, To N, Lau ISF, Smith E, Mahapatra S, McAuliffe O, Francis AA, Imam L, Akram B, Hossaini S, Davies R, Ko M, Collins J, Pandya A, Reilly S, Archer J, Auty C, Roche CD, Livie J, Chaudhry FA, Ntakomyti E, Diallo R, Bylinski T, Wright J, Lawday S, Masiha E, Tung J, Shirazi B, Neilson A, Epton S, Patel N, Trussell S, Couldrey A, Donnelly C, Eftychiou S. Safety and efficacy of non-steroidal anti-inflammatory drugs to reduce ileus after colorectal surgery. Br J Surg 2020; 107:e161-e169. [PMID: 31595986 DOI: 10.1002/bjs.11326] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 05/06/2019] [Accepted: 07/04/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Ileus is common after elective colorectal surgery, and is associated with increased adverse events and prolonged hospital stay. The aim was to assess the role of non-steroidal anti-inflammatory drugs (NSAIDs) for reducing ileus after surgery. METHODS A prospective multicentre cohort study was delivered by an international, student- and trainee-led collaborative group. Adult patients undergoing elective colorectal resection between January and April 2018 were included. The primary outcome was time to gastrointestinal recovery, measured using a composite measure of bowel function and tolerance to oral intake. The impact of NSAIDs was explored using Cox regression analyses, including the results of a centre-specific survey of compliance to enhanced recovery principles. Secondary safety outcomes included anastomotic leak rate and acute kidney injury. RESULTS A total of 4164 patients were included, with a median age of 68 (i.q.r. 57-75) years (54·9 per cent men). Some 1153 (27·7 per cent) received NSAIDs on postoperative days 1-3, of whom 1061 (92·0 per cent) received non-selective cyclo-oxygenase inhibitors. After adjustment for baseline differences, the mean time to gastrointestinal recovery did not differ significantly between patients who received NSAIDs and those who did not (4·6 versus 4·8 days; hazard ratio 1·04, 95 per cent c.i. 0·96 to 1·12; P = 0·360). There were no significant differences in anastomotic leak rate (5·4 versus 4·6 per cent; P = 0·349) or acute kidney injury (14·3 versus 13·8 per cent; P = 0·666) between the groups. Significantly fewer patients receiving NSAIDs required strong opioid analgesia (35·3 versus 56·7 per cent; P < 0·001). CONCLUSION NSAIDs did not reduce the time for gastrointestinal recovery after colorectal surgery, but they were safe and associated with reduced postoperative opioid requirement.
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Berg J, Seyedsadjadi N, Grant R. Increased Consumption of Plant Foods Is Associated with Increased Bone Mineral Density. J Nutr Health Aging 2020; 24:388-397. [PMID: 32242206 DOI: 10.1007/s12603-020-1339-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To determine the relationship between plant food consumption and bone mineral density (BMD) in a healthy population when age, gender, BMI and physical activity are accounted for. DESIGN Cross-sectional study. SETTING Participants were recruited from the Sydney Adventist hospital and the University of New South Wales, Sydney, Australia. PARTICIPANTS 33 males and 40 females (total n=73) participated in this study. The mean age was 56.1 ± 8.5 years. All participants were non-diabetic and in general good health. MEASUREMENTS A principle component analysis (PCA) was performed on 12 month self-report food intake data, gathered using the Cancer Council Victoria Dietary Questionnaire for Epidemiological Studies Version 2. Dual-energy X-ray absorptiometry was used to measure total BMD. Fasting plasma total protein, calcium and 25-Hydroxy Vitamin D levels were analysed by the Sydney Adventist Hospital pathology laboratory. Anthropometric measures were obtained using a standardized protocol. Self-reported physical activity levels were assessed using the International Physical Activity Questionnaire. RESULTS The PCA revealed three principle components. These were termed 'Meat Based', 'Junk Food' and 'Plant Based.' After controlling for age, gender, physical activity and BMI, the Plant Based component correlated positively with BMD (p=0.054, R2=0.439) and T-score (p=0.053, R2=0.221). Using a similar model no association between the Meat Based component and BMD or T-score was found. However, when the Plant Based component was included the Meat Based component correlated positively with BMD (p=0.046, R2=0.474) and T-score (p=0.046, R2=0.279). There was no significant association between the Junk Food component and BMD or T-score. People in the third Plant (927 ± 339 vs 751 ± 255 g/day, p=0.025) and Meat Based (921 ± 270 vs 676 ± 241 g/day, p=0.002) tertile had higher calcium intakes than those in the first. People in the second Plant Based tertile had higher plasma Vitamin D levels than those in the first (63.5 ± 16.8 vs. 52.3 ± 22.1 nmol/L, p=0.053) while those in the third Junk Food tertile had lower levels than those in the first (52.4 ± 18.5 vs. 65.4 ± 19.8 nmol/L, p=0.027). No association between Plant Based tertiles and protein intake was observed, however those in the third Meat Based (99.7 ± 25.1 vs. 50.9 ± 13.8 g/day, p=0.000) and Junk Food (87.4 ± 30.7 vs. 56.6 ± 22.2 g/day, p=0.000) tertile had higher protein intake compared to those in the first tertile. CONCLUSION In a healthy middle aged population with normal BMD, an increase in plant food consumption, either alone or in combination with a diet containing meat, is associated with improved bone mineralisation markers. This positive relationship is most likely due to the extensive range of micronutrients and phytochemicals packaged within plants.
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Rudà R, Hellot S, De Backer M, Chan J, Joeres L, Leunikava I, Grant R. OS10.2 Effectiveness and tolerability of lacosamide as add-on therapy in patients with brain tumor-related epilepsy: results from a prospective, non-interventional study in European clinical practice. Neuro Oncol 2019. [DOI: 10.1093/neuonc/noz126.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND
Data on the use of lacosamide (LCM) for the treatment of brain tumor-related epilepsy (BTRE) are limited. The objective of this study was to evaluate the effectiveness and tolerability of LCM added to 1 or 2 antiepileptic drugs (AEDs) in the treatment of patients with epilepsy due to low-grade primary brain tumor.
MATERIAL AND METHODS
Prospective, multicenter, single-arm, non-interventional study with a 6-month observation period (EP0045; NCT02276053). LCM was added to existing treatment with 1 or 2 AEDs. Patients aged ≥16 years with BTRE secondary to low-grade glioma (WHO Grade I-II) were eligible. Primary endpoints: patients experiencing a ≥50% reduction in seizure frequency from Baseline to Month 6; Patient’s Global Impression of Change (PGIC) rating at Month 6. Secondary endpoints: Kaplan-Meier estimated retention rate and change from Baseline in quality-of-life to Month 6 (EQ-5D-5L and MDASI-BT). Safety variables: occurrence of adverse drug reactions (ADRs) and ADRs leading to discontinuation. The present analysis was performed for the safety set: all patients who took ≥1 dose of lacosamide.
RESULTS
The study was conducted between November 2014 and December 2017. Patients were enrolled from 24 sites in Italy, the United Kingdom, the Netherlands, Germany, France, and Spain. 93 patients started LCM (mean [SD] age: 44.5 [14.7] years; 50 [53.8%] male); 14 (15.1%) withdrew from the study by 6 months. 85 (91.4%) patients had low-grade glioma, 3 (3.2%) had suspected glioma, 3 (3.2%) had meningioma, 1 (1.1%) had craniopharyngioma, and 1 (1.1%) had a histologically unverified tumor. At 6-months, 66 (71.0%) patients reported a ≥50% reduction in seizure frequency, 30 (32.3%) of whom were seizure-free. Improvements on PGIC were reported by 49 (52.7%) patients. The Kaplan-Meier estimated 6-month retention rate was 86.0%. Quality of life (EQ-5D-5L) and symptoms outcome measures (MDASI-BT) remained stable. ADRs leading to discontinuation occurred in 4 (4.3%) patients, most commonly vertigo (2 [2.2%] patients).
CONCLUSION
This is the first prospective, multicenter study focusing on epilepsy due to slow-growing tumors (mainly low-grade gliomas), treated with LCM. The results suggest that LCM reduces seizures in patients with resistant BTRE. The majority of patients noticed a clinical improvement with the addition of LCM. Observed ADRs were consistent with the known safety profile of LCM. STUDY SUPPORTED BY: UCB Pharma.
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Oort Q, Dirven L, Boele F, Grant R, Sato H, Talacchi A, Young T, Reijneveld JC, Taphoorn MJB. OS3.3 Development of an EORTC questionnaire measuring instrumental activities of daily living (IADL) in patients with brain tumours: phase I-III. Neuro Oncol 2019. [DOI: 10.1093/neuonc/noz126.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
BACKGROUND
In brain tumour patients, impairments in every day functioning can impact quality of life, and are therefore an important outcome in both clinical trials and practice. One way to measure every day functioning is with an activities of daily living (ADL) questionnaire. Instrumental ADL (IADL) are the cognitively more complex activities, that are essential to function autonomously within society. Cognitive decline may therefore negatively impact IADL, making these activities particularly relevant to brain tumour patients. The aim of this study is to develop a reliable and valid questionnaire to measure IADL in primary malignant and metastatic brain tumour patients.
MATERIAL AND METHODS
The questionnaire development study followed the standard European Organisation for Research and Treatment of Cancer (EORTC) four phase methodology: (I) generation of activities list, (II) construction of item list, (III) pre-testing, and (IV) field testing. This report covers phases I-III. To ensure cross-cultural validity, participants were recruited from different countries (The Netherlands, United Kingdom, Italy, Austria and Japan). In phase I, potential activities were identified based on a literature review and in-depth interviews with patients, proxies and healthcare professionals. In phase II, activities were turned into items, and translated into all required languages by the EORTC Translation Unit. In phase III, the item list was pre-tested in patient-proxy dyads. In accordance with predetermined decision rules to reduce items, final items were selected, and preliminary psychometric properties (i.e. factor structure, validity, reliability) were assessed.
RESULTS
Phase I (N=44 dyads) resulted in 59 IADL activities which were converted into 59 items in phase II. In phase III, N=85 dyads completed and reviewed this item list. The item list was subsequently reduced to 32 items. An exploratory factor analysis indicated several items measuring similar underlying constructs (e.g. domestic life and using computer/smartphone) showing acceptable to good (α≥0.7) internal consistency (range α=0.69–0.89). Seven items were less related to these underlying constructs (e.g. work or managing your own medication), and therefore single items. Construct validity, measured with known-group comparisons analyses between cognitively impaired and unimpaired patients, showed significant differences in scores between the two groups on some scales and several single items.
CONCLUSION
The currently developed EORTC IADL-BN32 questionnaire can be a valuable asset in assessing IADL functioning in brain tumour patients, but further validation in phase IV is required and is planned.
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Zienius K, Chak-Lam I, Park J, Ozawa M, Hamilton W, Weller D, Summers D, Porteous L, Mohiuddin S, Keeney E, Hollingworth W, Ben-Shlomo Y, Grant R, Brennan PM. Direct access CT for suspicion of brain tumour: an analysis of referral pathways in a population-based patient group. BMC FAMILY PRACTICE 2019; 20:118. [PMID: 31431191 PMCID: PMC6702708 DOI: 10.1186/s12875-019-1003-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 07/31/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Brain tumour patients see their primary care doctor on average three or more times before diagnosis, so there may be an opportunity to identify 'at risk' patients earlier. Suspecting a brain tumour diagnosis is difficult because brain tumour-related symptoms are typically non-specific. METHODS We explored the predictive value of referral guidelines (Kernick and NICE 2005) for brain imaging where a tumour is suspected, in a population-based patient group referred for direct access CT of the head. A consensus panel reviewed whether non-tumour findings were clinically important or whether further investigation was necessary. RESULTS Over a 5-year period, 3257 head scans were performed; 318 scans were excluded according to pre-specified criteria. 53 patients (1.8%) were reported to have intracranial tumours, of which 42 were significant (diagnostic yield of 1.43%). There were no false negative CT scans for tumour. With symptom-based referral guidelines primary care doctors can identify patients with a 3% positive predictive value (PPV). 559 patients had non-tumour findings, 31% of which were deemed clinically significant. In 34% of these 559 patients, referral for further imaging and/or specialist assessment from primary care was still thought warranted. CONCLUSION Existing referral guidelines are insufficient to stratify patients adequately based on their symptoms, according to the likelihood that a tumour will be found on brain imaging. Identification of non-tumour findings may be significant for patients and earlier specialist input into interpretation of these images may be beneficial. Improving guidelines to better identify patients at risk of a brain tumour should be a priority, to improve speed of diagnosis, and reduce unnecessary imaging and costs. Future guidelines may incorporate groups of symptoms, clinical signs and tests to improve the predictive value.
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Besombes C, Gonofio E, Konamna X, Selekon B, Grant R, Gessain A, Berthet N, Manuguerra JC, Fontanet A, Nakouné E. Intrafamily Transmission of Monkeypox Virus, Central African Republic, 2018. Emerg Infect Dis 2019; 25:1602-1604. [PMID: 31216261 PMCID: PMC6649310 DOI: 10.3201/eid2508.190112] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Monkeypox is a rare viral zoonotic disease; primary infections are reported from remote forest areas of Central and West Africa. We report an investigation of a monkeypox outbreak in Lobaye, southwest Central African Republic, in October 2018.
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