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Kader R, Aljubran S, Barnes C. THE RELATIONSHIP OF MOLDS SPECIFIC IGE TO TOTAL IGE AND AGE IN MIDWEST PEDIATRIC POPULATION. Ann Allergy Asthma Immunol 2018. [DOI: 10.1016/j.anai.2018.09.078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Alhucema P, Furmedge J, Campbell S, Barnes C. Pyogenic sacroiliitis and haemophilia-A duo not often considered. Haemophilia 2018; 24:e60-e61. [PMID: 29381244 DOI: 10.1111/hae.13412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2017] [Indexed: 06/07/2023]
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Acciarri R, Adams C, An R, Anthony J, Asaadi J, Auger M, Bagby L, Balasubramanian S, Baller B, Barnes C, Barr G, Bass M, Bay F, Bishai M, Blake A, Bolton T, Camilleri L, Caratelli D, Carls B, Castillo Fernandez R, Cavanna F, Chen H, Church E, Cianci D, Cohen E, Collin GH, Conrad JM, Convery M, Crespo-Anadón JI, Del Tutto M, Devitt A, Dytman S, Eberly B, Ereditato A, Escudero Sanchez L, Esquivel J, Fadeeva AA, Fleming BT, Foreman W, Furmanski AP, Garcia-Gamez D, Garvey GT, Genty V, Goeldi D, Gollapinni S, Graf N, Gramellini E, Greenlee H, Grosso R, Guenette R, Hackenburg A, Hamilton P, Hen O, Hewes J, Hill C, Ho J, Horton-Smith G, Hourlier A, Huang EC, James C, Jan de Vries J, Jen CM, Jiang L, Johnson RA, Joshi J, Jostlein H, Kaleko D, Karagiorgi G, Ketchum W, Kirby B, Kirby M, Kobilarcik T, Kreslo I, Laube A, Li Y, Lister A, Littlejohn BR, Lockwitz S, Lorca D, Louis WC, Luethi M, Lundberg B, Luo X, Marchionni A, Mariani C, Marshall J, Martinez Caicedo DA, Meddage V, Miceli T, Mills GB, Moon J, Mooney M, Moore CD, Mousseau J, Murrells R, Naples D, Nienaber P, Nowak J, Palamara O, Paolone V, Papavassiliou V, Pate SF, Pavlovic Z, Piasetzky E, Porzio D, Pulliam G, Qian X, Raaf JL, Rafique A, Rochester L, Rudolf von Rohr C, Russell B, Schmitz DW, Schukraft A, Seligman W, Shaevitz MH, Sinclair J, Smith A, Snider EL, Soderberg M, Söldner-Rembold S, Soleti SR, Spentzouris P, Spitz J, St. John J, Strauss T, Szelc AM, Tagg N, Terao K, Thomson M, Toups M, Tsai YT, Tufanli S, Usher T, Van De Pontseele W, Van de Water RG, Viren B, Weber M, Wickremasinghe DA, Wolbers S, Wongjirad T, Woodruff K, Yang T, Yates L, Zeller GP, Zennamo J, Zhang C. The Pandora multi-algorithm approach to automated pattern recognition of cosmic-ray muon and neutrino events in the MicroBooNE detector. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS 2018; 78:82. [PMID: 31258394 PMCID: PMC6566216 DOI: 10.1140/epjc/s10052-017-5481-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 12/18/2017] [Indexed: 06/09/2023]
Abstract
The development and operation of liquid-argon time-projection chambers for neutrino physics has created a need for new approaches to pattern recognition in order to fully exploit the imaging capabilities offered by this technology. Whereas the human brain can excel at identifying features in the recorded events, it is a significant challenge to develop an automated, algorithmic solution. The Pandora Software Development Kit provides functionality to aid the design and implementation of pattern-recognition algorithms. It promotes the use of a multi-algorithm approach to pattern recognition, in which individual algorithms each address a specific task in a particular topology. Many tens of algorithms then carefully build up a picture of the event and, together, provide a robust automated pattern-recognition solution. This paper describes details of the chain of over one hundred Pandora algorithms and tools used to reconstruct cosmic-ray muon and neutrino events in the MicroBooNE detector. Metrics that assess the current pattern-recognition performance are presented for simulated MicroBooNE events, using a selection of final-state event topologies.
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Wilson RE, Barnes C, Koonz R, Baker L. Isothermal Reaction of Uranium with Steam Between 400 and 1600°C. NUCL SCI ENG 2017. [DOI: 10.13182/nse66-a17727] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Jared BH, Dow TA, Garrard KP, Moorefield GM, Barnes C, Day RD, Hatch DJ, Salzer LJ, Rivera G. Fabrication of Hydrodynamic Instability Targets. ACTA ACUST UNITED AC 2017. [DOI: 10.13182/fst97-a30810] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Vandrevala T, Samsi K, Rose C, Adenrele C, Barnes C, Manthorpe J. Perceived needs for support among care home staff providing end of life care for people with dementia: a qualitative study. Int J Geriatr Psychiatry 2017; 32:155-163. [PMID: 26988707 DOI: 10.1002/gps.4451] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Revised: 01/16/2016] [Accepted: 01/26/2016] [Indexed: 11/05/2022]
Abstract
OBJECTIVE The aim of the current exploratory study was to investigate the impact on care home staff when working with people with dementia at the end of life and to explore how they cope with this aspect of their work. With UK policy encouraging death in the place of residence, rather than hospital, more people with dementia are dying in care homes. METHOD A qualitative approach was employed; 20 care home staff working in five English care homes were interviewed. Thematic Analysis was used to analyse the data. RESULTS Care home staff found the external demands on them and difficulties associated with interacting with people with dementia sometimes challenging, stressful and anxiety-provoking, particularly as residents approached end of life. Emotional aspects of caring for dying residents were sometimes heightened by close attachments with residents and their families. Staff were able to recognise these unmet needs and identified a need for further training and emotional support to manage these stressors. CONCLUSIONS This study revealed rich and complex understandings of the practice dimensions of caring for people with dementia at the end of life and the impact these have on staff. There is a need to develop effective psychosocial interventions that focus on emotional support for care home staff. There will be challenges in providing this in employment settings that are generally low paid, low status, have high turnover and are reliant on temporary or migrant staff, where training is not rewarded, mandatory or culturally valued. Copyright © 2016 John Wiley & Sons, Ltd.
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Schuth G, Carr G, Barnes C, Carling C, Bradley PS. Positional interchanges influence the physical and technical match performance variables of elite soccer players. J Sports Sci 2015; 34:501-8. [PMID: 26700131 DOI: 10.1080/02640414.2015.1127402] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Positional variation in match performance is well established in elite soccer but no information exists on players switching positions. This study investigated the influence of elite players interchanging from one position to another on physical and technical match performance. Data were collected from multiple English Premier League (EPL) seasons using a computerised tracking system. After adhering to stringent inclusion criteria, players were examined across several interchanges: central-defender to fullback (CD-FB, n = 11, 312 observations), central-midfielder to wide-midfielder (CM-WM, n = 7, 171 observations), wide-midfielder to central-midfielder (WM-CM, n = 7, 197 observations) and attacker to wide-midfielder (AT-WM, n = 4, 81 observations). Players interchanging from CD-FB covered markedly more high-intensity running and sprinting distance (effect size [ES]: -1.56 and -1.26), lost more possessions but made more final third entries (ES: -1.23 and -1.55). Interchanging from CM-WM and WM-CM resulted in trivial to moderate differences in both physical (ES: -0.14-0.59 and -0.21-0.39) and technical performances (ES: -0.48-0.64 and -0.36-0.54). Players interchanging from AT-WM demonstrated a moderate difference in high-intensity running without possession (ES: -0.98) and moderate-to-large differences in the number of clearances, tackles and possessions won (ES: -0.77, -1.16 and -1.41). The data demonstrate that the physical and technical demands vary greatly from one interchange to another but utility players seem able to adapt to these positional switches.
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Brown SA, Phillips J, Barnes C, Curtin J, McRae S, Ockelford P, Rowell J, Smith MP, Dunkley S. Challenges in hemophilia care in Australia and New Zealand. Curr Med Res Opin 2015; 31:1985-91. [PMID: 26296234 DOI: 10.1185/03007995.2015.1082990] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Health and life expectancy for people with hemophilia have improved significantly in recent years, but we face new challenges, especially in the context of resource-constrained health services. AIM This paper aims to highlight such challenges and propose practical solutions. METHODS Nine hemophilia specialists from Australia and New Zealand reached consensus on areas of greatest need for improvement in hemophilia care in these countries, based on clinical experience and published data, and agreed on how to address these. RESULTS Demography, optimizing treatment and assessing treatment success were identified as broad areas of challenge which included: comorbidities in ageing patients; transitioning from pediatric to adult care; equity of care for remote populations; weight-based dosing in obese patients; tailoring prophylaxis; accurate diagnosis of acute joint pain; managing chronic arthropathy; providing psychosocial support; consistency in definitions and assessment; and quantifiable outcome measures. Practice points included increased cross-specialty coordination and including psychologists and rheumatologists as part of comprehensive care teams; close collaboration between pediatric and adult centers to facilitate transition of care; systems such as telehealth that ensure continuity of care for remote populations; using pharmacokinetic data to tailor therapy; rapid and accurate diagnosis of acute joint pain; using data from bleeding registries to assess treatment effects and help with service planning; and ensuring consistency through benchmarking and standardization of HTCs. SUMMARY Achieving treatment equity, optimal outcomes and cost savings may be possible through investing in national governance structures, expanding the comprehensive model of care and implementing innovative solutions tailored to local needs.
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Knibb RC, Barnes C, Stalker C. Parental confidence in managing food allergy: development and validation of the food allergy self-efficacy scale for parents (FASE-P). Clin Exp Allergy 2015. [DOI: 10.1111/cea.12599] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Young G, Mahlangu J, Kulkarni R, Nolan B, Liesner R, Pasi J, Barnes C, Neelakantan S, Gambino G, Cristiano LM, Pierce GF, Allen G. Recombinant factor VIII Fc fusion protein for the prevention and treatment of bleeding in children with severe hemophilia A. J Thromb Haemost 2015; 13:967-77. [PMID: 25912075 DOI: 10.1111/jth.12911] [Citation(s) in RCA: 132] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 03/16/2015] [Indexed: 08/31/2023]
Abstract
BACKGROUND Prophylactic factor replacement, which prevents hemarthroses and thereby reduces the musculoskeletal disease burden in children with hemophilia A, requires frequent intravenous infusions (three to four times weekly). OBJECTIVE Kids A-LONG was a phase 3 open-label study evaluating the safety, efficacy and pharmacokinetics of a longer-acting factor, recombinant factor VIII Fc fusion protein (rFVIIIFc), in previously treated children with severe hemophilia A (endogenous FVIII level of < 1 IU dL(-1) [< 1%]). METHODS The study enrolled 71 subjects. The starting rFVIIIFc regimen was twice-weekly prophylaxis (Day 1, 25 IU kg(-1) ; Day 4, 50 IU kg(-1) ); dose (≤ 80 IU kg(-1) ) and dosing interval (≥ 2 days) were adjusted as needed. A subset of subjects had sequential pharmacokinetic evaluations of FVIII and rFVIIIFc. The primary endpoint was development of inhibitors (neutralizing antibodies). Secondary endpoints included pharmacokinetics, annualized bleeding rate (ABR), and number of infusions required to control a bleed. RESULTS No subject developed an inhibitor to rFVIIIFc. Adverse events were typical of a pediatric hemophilic population. The rFVIIIFc half-life was prolonged relative to that of FVIII, consistent with observations in adults and adolescents. The median ABR was 1.96 overall, and 0.00 for spontaneous bleeds; 46.4% of subjects reported no bleeding episodes on study. Ninety-three per cent of bleeding episodes were controlled with one to two infusions. The median average weekly rFVIIIFc prophylactic dose was 88.11 IU kg(-1) . At study end, 62 of 69 subjects (90%) were infusing twice weekly. Among subjects who had been previously receiving FVIII prophylaxis, 74% reduced their dosing frequency with rFVIIIFc. CONCLUSION Twice-weekly infusions with rFVIIIFc were well tolerated and yielded low bleeding rates in children with severe hemophilia A.
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Squires K, Barnes C, Koziara K, Fischer I, Lellock A, Hrizo S. Examination of Metabolism and Cellular Health in a
Saccharomyces cerevisiae
Model for TPI Deficiency. FASEB J 2015. [DOI: 10.1096/fasebj.29.1_supplement.884.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Barnes C, Stowell KM, Bulger T, Langton E, Pollock N. Safe duration of postoperative monitoring for malignant hyperthermia patients administered non-triggering anaesthesia: an update. Anaesth Intensive Care 2015; 43:98-104. [PMID: 25579296 DOI: 10.1177/0310057x1504300115] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The postoperative care of malignant hyperthermia (MH) patients is subject to international variation, with a paucity of data in the literature to guide management. Over a series of three studies, our aim was to evaluate whether MH-susceptible patients (and relatives who had not yet been investigated), who had received a non-triggering anaesthetic, could be managed in the same way as the standard surgical population. Following a retrospective study, 206 anaesthetics were administered in a prospective second study to MH-susceptible/related individuals who were monitored for a minimum of one hour in the post anaesthesia care unit and a further 90 minutes in a step-down facility. No problems relating to MH were encountered. The postoperative monitoring time was subsequently changed and, in a third study, patients were managed no differently from standard surgical patients. One hundred and twenty-five anaesthetics were administered with no evidence of problems. This data shows that standard postoperative monitoring times are safe and appropriate in MH-susceptible patients.
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Barnes C, Varma A, Kane P. P07 * ARE ALL PATIENTS WITH SUSPECTED BRAIN TUMOUR ON CRANIAL IMAGING REFERRED PROMPTLY FOR MDT DISCUSSION? Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou249.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Barnes C, Archer DT, Hogg B, Bush M, Bradley PS. The evolution of physical and technical performance parameters in the English Premier League. Int J Sports Med 2014; 35:1095-100. [PMID: 25009969 DOI: 10.1055/s-0034-1375695] [Citation(s) in RCA: 366] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
This study examined the evolution of physical and technical soccer performance across a 7-season period in the English Premier League. Match performance observations (n=14 700) were analysed for emergent trends. Total distance covered during a match was ~2% lower in 2006-07 compared to 2012-13. Across 7 seasons, high-intensity running distance and actions increased by ~30% (890±299 vs. 1 151±337 m, p<0.001; ES: 0.82) and ~50% (118±36 vs. 176±46, p<0.001; ES: 1.41), respectively. Sprint distance and number of sprints increased by ~35% (232±114 vs. 350±139 m, p<0.001; ES: 0.93) and ~85% (31±14 vs. 57±20, p<0.001; ES: 1.46), respectively. Mean sprint distance was shorter in 2012-13 compared to 2006-07 (5.9±0.8 vs. 6.9±1.3 m, p<0.001; ES: 0.91), with the proportion of explosive sprints increasing (34±11 vs. 47±9%, p<0.001; ES: 1.31). Players performed more passes (35±17 vs. 25±13, p<0.001; ES: 0.66) and successful passes (83±10% vs. 76±13%, p<0.001; ES: 0.60) in 2012-13 compared to 2006-07. Whereas the number of short and medium passes increased across time (p<0.001; ES>0.6), the number of long passes varied little (p<0.001; ES: 0.11). This data demonstrates evolution of physical and technical parameters in the English Premier League, and could be used to aid talent identification, training and conditioning preparation.
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Barnes C, Brown SA, Curtin J, Dunkley S. When is enough … enough? Developing consensus of definition of failure of immune tolerance induction in patients with haemophilia and inhibitors. Haemophilia 2014; 20:e275-9. [DOI: 10.1111/hae.12442] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/19/2014] [Indexed: 11/26/2022]
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Blackburn SC, Wiskin AE, Barnes C, Dick K, Afzal NA, Griffiths DM, Beattie RM, Stanton MP. Surgery for children with Crohn's disease: indications, complications and outcome. Arch Dis Child 2014; 99:420-6. [PMID: 24395646 DOI: 10.1136/archdischild-2013-305214] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Outcome data for surgery in paediatric Crohn's disease are limited. We report 10 years' experience at a regional paediatric gastroenterology centre. METHODS Children undergoing surgery for Crohn's disease (January 2002-December 2012) were identified from an onsite patient register. Patients were followed until transition to adult services. Data were obtained from medical records and are expressed as median (range). RESULTS Sixty-nine children, aged 13.8 years (6.3-17.0) at diagnosis, were included. 42 were male (61%). Follow-up was 1.8 years (27 days-6 years). Surgery followed diagnosis by 9 months (0 days-7 years). 52 children (75%) received thiopurines and 5 (7%) anti-TNF (tumour necrosis factor) therapy preoperatively. 58 (84%) underwent intra-abdominal surgery (40 right hemicolectomy, 8 stoma formation, 2 subtotal colectomy, 2 small bowel resection, 6 other) and 10 (14%) underwent surgery for perianal disease. The commonest indications for intra-abdominal surgery were stricturing disease 35 (60%) and unresponsive luminal disease 13 (22%). There were 13 (22%) early, and 5 (8.6%) late, complications following intra-abdominal surgery. Nine children had disease relapse, five required further surgery. Height SD scores (SDS) did not increase between diagnosis; -0.5 (-3.4-2.1) and most recent follow up; -0.4 (-3.0-1.1). Body Mass Index (BMI) SDS increased from -1.0 (-6.3-1.5) to -0.3 (-3.3-2.0) (p<0.05). CONCLUSIONS Surgery was associated with a 22% early complication rate and a 15% risk of relapse. 21% of patients required a second unplanned intra-abdominal procedure. Surgical intervention was associated with an increase in BMI SDS, but not in height SDS.
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Barnes C, Koziara K, Lellock A, Fisher I, Hrizo S. Examination of growth phenotypes and protein stability in a
Saccharomyces cerevisiae
model for TPI deficiency (578.2). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.578.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Koziara K, Barnes C, Squires K, Fisher I, Hrizo S. Examination of enzyme and metabolic activity in yeast expressing mutant alleles of triose phosphate isomerase (578.1). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.578.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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McGhee DJM, Royle PL, Counsell CE, Abbas A, Sethi P, Manku L, Narayan A, Clegg K, Bardai A, Brown SHM, Hafeez U, Abdelhafiz AH, McGovern A, Breckenridge A, Seenan P, Samani A, Das S, Khan S, Puffett AJ, Morgan J, Ross G, Cantlay A, Khan N, Bhalla A, Sweeting M, Nimmo CAMD, Fleet J, Igbedioh C, Harari D, Downey CL, Handforth C, Stothard C, Cracknell A, Barnes C, Shaw L, Bainbridge L, Crabtree L, Clark T, Root S, Aitken E, Haroon K, Sudlow M, Hanley K, Welsh S, Hill E, Falconer A, Miller H, Martin B, Tidy E, Pendlebury S, Thompson S, Burnett E, Taylor H, Lonan J, Adler B, McCallion J, Sykes E, Bancroft R, Tullo ES, Young TJ, Clift E, Flavin B, Roberts HC, Sayer AA, Belludi G, Aithal S, Verma A, Singh I, Barne M, Wilkinson I, Sakoane R, Singh N, Wilkinson I, Cottee M, Irani TS, Martinovic O, Abdulla AJJ, Irani TS, Abdulla AJJ, Riglin J, Husk J, Lowe D, Treml J, Vasilakis JN, Buttery A, Reid J, Healy P, Grant-Casey J, Pendry K, Richards J, Singh A, Jarrett D, Hewitt J, Slevin J, Barwell G, Youde J, Kennedy C, Romero-Ortuno R, O'Shea D, Robinson D, O'Shea D, Kenny RA, O'Connell J, Kennedy C, Romero-Ortuno R, O'Shea D, Robinson D, O'Shea D, Robinson D, O'Connell J, Topp JD, Topp JD, Warburton K, Simpson L, Bryce K, Suntharalingam S, Grosser K, D'Silva A, Southern L, Bielawski C, Cook L, Sutton GM, Flanagan L, Storr A, Charlton L, Kerr S, Robinson L, Shaw F, Finch LK, Weerasuriya N, Walker M, Sahota O, Logan P, Brown F, Rossiter F, Baxter M, Mucci E, Brown A, Jackson SHD, de Savary N, Hasan S, Jones H, Birrell J, Hockley J, Hensey N, Meiring R, Athavale N, Simms J, Brown S, West A, Diem P, Simms J, Brown S, West A, Diem P, Davies R, Kings R, Coleman H, Stevens D, Campbell C, Hope S, Morris A, Ong T, Harwood R, Dasgupta D, Mitchell S, Dimmock V, Collin F, Wood E, Green V, Hendrickse-Welsh N, Singh N, Cracknell A, Eccles J, Beezer J, Garside M, Baxter J. Clinical effectiveness. Age Ageing 2013. [DOI: 10.1093/ageing/aft016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Johnston CI, Brown SGA, O'Leary MA, Currie BJ, Greenberg R, Taylor M, Barnes C, White J, Isbister GK. Mulga snake (Pseudechis australis) envenoming: a spectrum of myotoxicity, anticoagulant coagulopathy, haemolysis and the role of early antivenom therapy - Australian Snakebite Project (ASP-19). Clin Toxicol (Phila) 2013; 51:417-24. [PMID: 23586640 DOI: 10.3109/15563650.2013.787535] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
CONTEXT Mulga snakes (Pseudechis australis) are venomous snakes with a wide distribution in Australia. Objective. The objective of this study was to describe mulga snake envenoming and the response of envenoming to antivenom therapy. MATERIALS AND METHODS Definite mulga bites, based on expert identification or venom-specific enzyme immunoassay, were recruited from the Australian Snakebite Project. Demographics, information about the bite, clinical effects, laboratory investigations and antivenom treatment are recorded for all patients. Blood samples are collected to measure the serum venom concentrations pre- and post-antivenom therapy using enzyme immunoassay. RESULTS There were 17 patients with definite mulga snake bites. The median age was 37 years (6-70 years); 16 were male and six were snake handlers. Thirteen patients had systemic envenoming with non-specific systemic symptoms (11), anticoagulant coagulopathy (10), myotoxicity (7) and haemolysis (6). Antivenom was given to ten patients; the median dose was one vial (range, one-three vials). Three patients had systemic hypersensitivity reactions post-antivenom. Antivenom reversed the coagulopathy in all cases. Antivenom appeared to prevent myotoxicity in three patients with high venom concentrations, given antivenom within 2 h of the bite. Median peak venom concentration in 12 envenomed patients with samples was 29 ng/mL (range, 0.6-624 ng/mL). There was a good correlation between venom concentrations and the area under the curve of the creatine kinase for patients receiving antivenom after 2 h. Higher venom concentrations were also associated with coagulopathy and haemolysis. Venom was not detected after antivenom administration except in one patient who had a venom concentration of 8.3 ng/ml after one vial of antivenom, but immediate reversal of the coagulopathy. DISCUSSION Mulga snake envenoming is characterised by myotoxicity, anticoagulant coagulopathy and haemolysis, and has a spectrum of toxicity that is venom dose dependant. This study supports a dose of one vial of antivenom, given as soon as a systemic envenoming is identified, rather than waiting for the development of myotoxicity.
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Brown SA, Barnes C, Curtin J, Dunkley S, Ockelford P, Phillips J, Rowell J, Smith M, Tran H. How we use recombinant activated Factor VII in patients with haemophilia A or B complicated by inhibitors. Intern Med J 2012; 42:1243-50. [DOI: 10.1111/j.1445-5994.2012.02942.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 08/16/2012] [Indexed: 01/19/2023]
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Furmedge J, Lima S, Monagle P, Barnes C, Newall F. ‘I don't want to hurt him.’ Parents’ experiences of learning to administer clotting factor to their child. Haemophilia 2012; 19:206-11. [DOI: 10.1111/hae.12030] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2012] [Indexed: 11/28/2022]
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Barnes C, Birckbichler PJ. Attachment capabilities of erythroleukemia cells to normal human fibroblasts. FASEB J 2012. [DOI: 10.1096/fasebj.26.1_supplement.798.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Meng J, Barnes C, Ciaccio C, Portnoy J, Kelly K, Salzman G, Carver T, Dowling P, Jones B, Amado M, Miller C, Kennedy K, Rosenwasser L. A Personalized Care Platform: Incorporating Structured Data In Allergy Clinical Care. J Allergy Clin Immunol 2012. [DOI: 10.1016/j.jaci.2011.12.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Serota M, Barnes C, Meng J. The Relationship Of Sensitization And Specific IgE With Age In A Pediatric Population With Asthma. J Allergy Clin Immunol 2011. [DOI: 10.1016/j.jaci.2010.12.700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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