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Meehan SA, Hesseling AC, Boulle A, Chetty J, Connell L, Dlamini-Miti NJ, Dunbar R, Du Preez K, George G, Hoddinott G, Jennings K, Marx FM, Mudaly V, Naidoo P, Ndlovu N, Ngozo J, Smith M, Strauss M, Tanna G, Vanqa N, von Delft A, Osman M. Reducing Initial Loss to Follow-up Among People With Bacteriologically Confirmed Tuberculosis: LINKEDin, a Quasi-experimental Study in South Africa. Open Forum Infect Dis 2024; 11:ofad648. [PMID: 38221986 PMCID: PMC10787480 DOI: 10.1093/ofid/ofad648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 12/16/2023] [Indexed: 01/16/2024] Open
Abstract
Every person diagnosed with tuberculosis (TB) needs to initiate treatment. The World Health Organization estimated that 61% of people who developed TB in 2021 were included in a TB treatment registration system. Initial loss to follow-up (ILTFU) is the loss of persons to care between diagnosis and treatment initiation/registration. LINKEDin, a quasi-experimental study, evaluated the effect of 2 interventions (hospital recording and an alert-and-response patient management intervention) in 6 subdistricts across 3 high-TB burden provinces of South Africa. Using integrated electronic reports, we identified all persons diagnosed with TB (Xpert MTB/RIF positive) in the hospital and at primary health care facilities. We prospectively determined linkage to care at 30 days after TB diagnosis. We calculated the risk of ILTFU during the baseline and intervention periods and the relative risk reduction in ILTFU between these periods. We found a relative reduction in ILTFU of 42.4% (95% CI, 28.5%-53.7%) in KwaZulu Natal (KZN) and 22.3% (95% CI, 13.3%-30.4%) in the Western Cape (WC), with no significant change in Gauteng. In KZN and the WC, the relative reduction in ILTFU appeared greater in subdistricts where the alert-and-response patient management intervention was implemented (KZN: 49.3%; 95% CI, 32.4%-62%; vs 32.2%; 95% CI, 5.4%-51.4%; and WC: 34.2%; 95% CI, 20.9%-45.3%; vs 13.4%; 95% CI, 0.7%-24.4%). We reported a notable reduction in ILTFU in 2 provinces using existing routine health service data and applying a simple intervention to trace and recall those not linked to care. TB programs need to consider ILTFU a priority and develop interventions specific to their context to ensure improved linkage to care.
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Affiliation(s)
- Sue-Ann Meehan
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Anneke C Hesseling
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Andrew Boulle
- Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- Department of Health and Wellness, Health Intelligence Directorate, Western Cape Government, Cape Town, South Africa
| | - Jolene Chetty
- Interactive Research and Development South Africa (IRD SA), Sandton, Johannesburg
| | - Lucy Connell
- Right to Care South Africa, Helen Joseph Hospital, Johannesburg, South Africa
| | | | - Rory Dunbar
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Karen Du Preez
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Gavin George
- Health Economics and HIV and AIDS Research Division (HEARD), University of KwaZulu-Natal, Durban, South Africa
- Division of Social Medicine and Global Health, Lund University, Lund, Sweden
| | - Graeme Hoddinott
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Karen Jennings
- City of Cape Town Health Department, Cape Town, South Africa
| | - Florian M Marx
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- Division of Tropical Medicine, Center for Infectious Diseases, Heidelberg University Hospital, Heidelberg, Germany
- DSI-NRF South African Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA), Stellenbosch University, Stellenbosch, South Africa
| | - Vanessa Mudaly
- Department of Health and Wellness, Western Cape Government, Cape Town, South Africa
| | - Pren Naidoo
- Bill and Melinda gates Foundation, Johannesburg, South Africa
| | - Neo Ndlovu
- Right to Care South Africa, Helen Joseph Hospital, Johannesburg, South Africa
| | - Jacqueline Ngozo
- Kwa-Zulu Natal Department of Health and Wellness, Pietermaritzburg, South Africa
| | - Mariette Smith
- Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- Department of Health and Wellness, Health Intelligence Directorate, Western Cape Government, Cape Town, South Africa
| | - Michael Strauss
- Health Economics and HIV and AIDS Research Division (HEARD), University of KwaZulu-Natal, Durban, South Africa
| | - Gaurang Tanna
- Bill and Melinda gates Foundation, Johannesburg, South Africa
| | - Nosivuyile Vanqa
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Arne von Delft
- Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- Department of Health and Wellness, Health Intelligence Directorate, Western Cape Government, Cape Town, South Africa
| | - Muhammad Osman
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
- School of Human Sciences, University of Greenwich, London, UK
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Chalmers S, Hill J, Connell L, Ackerley S, Kulkarni A, Roddam H. The value of allied health professional research engagement on healthcare performance: a systematic review. BMC Health Serv Res 2023; 23:766. [PMID: 37464444 PMCID: PMC10355072 DOI: 10.1186/s12913-023-09555-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 05/16/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Existing evidence suggests that clinician and organisation engagement in research can improve healthcare performance. With the increase in allied health professional (AHP) research activity, it is imperative for healthcare organisations, clinicians, managers, and leaders to understand research engagement specifically within allied health fields. This systematic review aims to examine the value of research engagement by allied health professionals and organisations on healthcare performance. METHODS This systematic review had a two-stage search strategy. Firstly, the papers from a previous systematic review examining the effect of research engagement in healthcare were screened to identify papers published pre-2012. Secondly, a multi-database search was used to conduct a re-focused update of the previous review, focusing specifically on allied health to identify publications from 2012-2021. Studies which examined the value of allied health research engagement on healthcare performance were included. All stages of the review were conducted by two reviewers independently. Each study was assessed using the appropriate Joanna Briggs Institute critical appraisal tool. A narrative synthesis was completed to analyse the similarities and differences between and within the different study types. RESULTS Twenty-two studies were included, comprising of mixed research designs, of which six were ranked as high importance. The findings indicated that AHP research engagement appears related to positive findings in improvements to processes of care. The review also identified the most common mechanisms which may link research engagement with these improvements. DISCUSSION This landmark systematic review and narrative synthesis suggests value in AHP research engagement in terms of both processes of care and more tentatively, of healthcare outcomes. While caution is required because of the lack of robust research studies, overall the findings support the agenda for growing AHP research. Recommendations are made to improve transparent reporting of AHP research engagement and to contribute essential evidence of the value of AHP research engagement. TRIAL REGISTRATION This systematic review protocol was registered with the international prospective register of systematic reviews, PROSPERO (registration number CRD42021253461 ).
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Affiliation(s)
- S Chalmers
- University of Central Lancashire; Allied Health Research Unit, School of Health Sciences, University of Central Lancashire, Fylde Rd, Preston, PR1 2HE, UK.
- Bolton NHS Foundation Trust, Minerva Road, Farnworth, Bolton, Greater Manchester, BL4 0JR, UK.
| | - J Hill
- University of Central Lancashire; Synthesis, Economic Evaluation and Decision Science (SEEDS) Group, University of Central Lancashire, Fylde Rd, Preston, PR1 2HE, UK
| | - L Connell
- University of Central Lancashire; Allied Health Research Unit, School of Health Sciences, University of Central Lancashire, Fylde Rd, Preston, PR1 2HE, UK
- East Lancashire Hospitals NHS Trust, Burnley, BB10 2PQ, UK
| | - S Ackerley
- University of Central Lancashire; Allied Health Research Unit, School of Health Sciences, University of Central Lancashire, Fylde Rd, Preston, PR1 2HE, UK
| | - A Kulkarni
- Royal College of Speech & Language Therapists, 2-3 White Hart Yard, London, SE1 1NX, UK
| | - H Roddam
- Subject Matter Expert for AHP Research, Health Education England, Manchester, UK
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Martinson NA, Nonyane BAS, Genade LP, Berhanu RH, Naidoo P, Brey Z, Kinghorn A, Nyathi S, Young K, Hausler H, Connell L, Lutchminarain K, Swe Swe-Han K, Vreede H, Said M, von Knorring N, Moulton LH, Lebina L. Evaluating systematic targeted universal testing for tuberculosis in primary care clinics of South Africa: A cluster-randomized trial (The TUTT Trial). PLoS Med 2023; 20:e1004237. [PMID: 37216385 DOI: 10.1371/journal.pmed.1004237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 04/21/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND The World Health Organization (WHO) recommends systematic symptom screening for tuberculosis (TB). However, TB prevalence surveys suggest that this strategy does not identify millions of TB patients, globally. Undiagnosed or delayed diagnosis of TB contribute to TB transmission and exacerbate morbidity and mortality. We conducted a cluster-randomized trial of large urban and rural primary healthcare clinics in 3 provinces of South Africa to evaluate whether a novel intervention of targeted universal testing for TB (TUTT) in high-risk groups diagnosed more patients with TB per month compared to current standard of care (SoC) symptom-directed TB testing. METHODS AND FINDINGS Sixty-two clinics were randomized; with initiation of the intervention clinics over 6 months from March 2019. The study was prematurely stopped in March 2020 due to clinics restricting access to patients, and then a week later due to the Coronavirus Disease 2019 (COVID-19) national lockdown; by then, we had accrued a similar number of TB diagnoses to that of the power estimates and permanently stopped the trial. In intervention clinics, attendees living with HIV, those self-reporting a recent close contact with TB, or a prior episode of TB were all offered a sputum test for TB, irrespective of whether they reported symptoms of TB. We analyzed data abstracted from the national public sector laboratory database using Poisson regression models and compared the mean number of TB patients diagnosed per clinic per month between the study arms. Intervention clinics diagnosed 6,777 patients with TB, 20.7 patients with TB per clinic month (95% CI 16.7, 24.8) versus 6,750, 18.8 patients with TB per clinic month (95% CI 15.3, 22.2) in control clinics during study months. A direct comparison, adjusting for province and clinic TB case volume strata, did not show a significant difference in the number of TB cases between the 2 arms, incidence rate ratio (IRR) 1.14 (95% CI 0.94, 1.38, p = 0.46). However, prespecified difference-in-differences analyses showed that while the rate of TB diagnoses in control clinics decreased over time, intervention clinics had a 17% relative increase in TB patients diagnosed per month compared to the prior year, interaction IRR 1.17 (95% CI 1.14, 1.19, p < 0.001). Trial limitations were the premature stop due to COVID-19 lockdowns and the absence of between-arm comparisons of initiation and outcomes of TB treatment in those diagnosed with TB. CONCLUSIONS Our trial suggests that the implementation of TUTT in these 3 groups at extreme risk of TB identified more TB patients than SoC and could assist in reducing undiagnosed TB patients in settings of high TB prevalence. TRIAL REGISTRATION South African National Clinical Trials Registry DOH-27-092021-4901.
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Affiliation(s)
- Neil A Martinson
- Perinatal HIV Research Unit (PHRU), University of the Witwatersrand, Johannesburg, South Africa
- Johns Hopkins University Center for TB Research, Baltimore, Maryland, United States of America
| | - Bareng A S Nonyane
- Johns Hopkins Bloomberg School of Public Health, Department of International Health, Baltimore, Maryland, United States of America
| | - Leisha P Genade
- Perinatal HIV Research Unit (PHRU), University of the Witwatersrand, Johannesburg, South Africa
| | - Rebecca H Berhanu
- Department of Medicine, Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America
| | - Pren Naidoo
- Public Health Management Consultant, South Africa, Johannesburg, South Africa
| | - Zameer Brey
- Bill and Melinda Gates Foundation, South Africa, Johannesburg, South Africa
| | - Anthony Kinghorn
- Perinatal HIV Research Unit (PHRU), University of the Witwatersrand, Johannesburg, South Africa
| | | | | | | | | | - Keeren Lutchminarain
- National Health Laboratory Service Department of Microbiology, Inkosi Albert Luthuli Central Hospital, eThekwini, South Africa
- University of Kwa Zulu Natal, Durban, South Africa
| | - Khine Swe Swe-Han
- National Health Laboratory Service Department of Microbiology, Inkosi Albert Luthuli Central Hospital, eThekwini, South Africa
- University of Kwa Zulu Natal, Durban, South Africa
| | - Helena Vreede
- National Health Laboratory Service, Chemical Pathology, Groote Schuur Hospital, Cape Town, South Africa
| | - Mohamed Said
- National Health Laboratory Service, Microbiology and Academic Division, Tshwane, South Africa
- Department of Medical Microbiology, University of Pretoria, Pretoria, South Africa
| | - Nina von Knorring
- National Health Laboratory Service, Clinical Microbiology, Johannesburg, South Africa
- Division of Clinical Microbiology and Infectious Diseases, University of the Witwatersrand, Johannesburg, South Africa
| | - Lawrence H Moulton
- Johns Hopkins University Center for TB Research, Baltimore, Maryland, United States of America
| | - Limakatso Lebina
- Perinatal HIV Research Unit (PHRU), University of the Witwatersrand, Johannesburg, South Africa
- Africa Health Research Institute, KwaZulu Natal, South Africa
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Berhanu RH, Lebina L, Nonyane BAS, Milovanovic M, Kinghorn A, Connell L, Nyathi S, Young K, Hausler H, Naidoo P, Brey Z, Shearer K, Genade L, Martinson NA. Yield of Facility-based Targeted Universal Testing for Tuberculosis With Xpert and Mycobacterial Culture in High-Risk Groups Attending Primary Care Facilities in South Africa. Clin Infect Dis 2023; 76:1594-1603. [PMID: 36610730 PMCID: PMC10156124 DOI: 10.1093/cid/ciac965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 12/08/2022] [Accepted: 12/19/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND We report the yield of targeted universal tuberculosis (TB) testing of clinic attendees in high-risk groups. METHODS Clinic attendees in primary healthcare facilities in South Africa with one of the following risk factors underwent sputum testing for TB: human immunodeficiency virus (HIV), contact with a TB patient in the past year, and having had TB in the past 2 years. A single sample was collected for Xpert-Ultra (Xpert) and culture. We report the proportion positive for Mycobacterium tuberculosis. Data were analyzed descriptively. The unadjusted clinical and demographic factors' relative risk of TB detected by culture or Xpert were calculated and concordance between Xpert and culture is described. RESULTS A total of 30 513 participants had a TB test result. Median age was 39 years, and 11 553 (38%) were men. The majority (n = 21734, 71%) had HIV, 12 492 (41%) reported close contact with a TB patient, and 1573 (5%) reported prior TB. Overall, 8.3% were positive for M. tuberculosis by culture and/or Xpert compared with 6.0% with trace-positive results excluded. In asymptomatic participants, the yield was 6.7% and 10.1% in symptomatic participants (with trace-positives excluded). Only 10% of trace-positive results were culture-positive. We found that 55% of clinic attendees with a sputum result positive for M. tuberculosis did not have a positive TB symptom screen. CONCLUSIONS A high proportion of clinic attendees with specific risk factors (HIV, close TB contact, history of TB) test positive for M. tuberculosis when universal testing is implemented.
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Affiliation(s)
- Rebecca H Berhanu
- Department of Medicine, Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Limakatso Lebina
- Perinatal HIV Research Unit (PHRU), University of Witwatersrand, Soweto, South Africa
| | - Bareng A S Nonyane
- Johns Hopkins Bloomberg School of Public Health, Department of International Health, Baltimore, Maryland, USA
| | - Minja Milovanovic
- Perinatal HIV Research Unit (PHRU), University of Witwatersrand, Soweto, South Africa
| | - Anthony Kinghorn
- Perinatal HIV Research Unit (PHRU), University of Witwatersrand, Soweto, South Africa
| | | | | | | | - Harry Hausler
- TB HIV Care, Cape Town, South Africa
- Department of Family Medicine, University of Pretoria, Pretoria, South Africa
| | - Pren Naidoo
- Public Health Management Consultant, Cape Town, South Africa
| | - Zameer Brey
- Bill and Melinda Gates Foundation–South Africa, Johannesburg, South Africa
| | - Kate Shearer
- Department of Medicine, Division of Infectious Diseases, Baltimore, Maryland, USA
- Centre for TB Research, Johns Hopkins University, Baltimore, Maryland, USA
| | - Leisha Genade
- Perinatal HIV Research Unit (PHRU), University of Witwatersrand, Soweto, South Africa
| | - Neil A Martinson
- Perinatal HIV Research Unit (PHRU), University of Witwatersrand, Soweto, South Africa
- Centre for TB Research, Johns Hopkins University, Baltimore, Maryland, USA
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Hristidis V, Chakrani Z, Cuaron J, Reyngold M, Zinovoy M, Hajj C, El Dika I, Pappou E, Tuli R, Connell L, Yaeger R, Smith J, Saltz L, Shia J, Gollub M, Weiser M, Garcia-Aguilar J, Wu A, Cercek A, Crane C, Romesser P. Definitive Intensity-Modulated Radiation Therapy For Anal Squamous Cell Carcinoma: Outcomes And Toxicities From A Large Single Institution Experience. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Chakrani Z, Hristidis V, Reyngold M, Cuaron J, Zinovoy M, Hajj C, El Dika I, Pappou E, Tuli R, Connell L, Yaeger R, Smith J, Saltz L, Shia J, Weiser M, Garcia-Aguilar J, Wu A, Cercek A, Crane C, Romesser P. Definitive Intent Locoregional IMRT In Oligometastatic Anal Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Wagenmakers EJ, Beek T, Dijkhoff L, Gronau QF, Acosta A, Adams RB, Albohn DN, Allard ES, Benning SD, Blouin-Hudon EM, Bulnes LC, Caldwell TL, Calin-Jageman RJ, Capaldi CA, Carfagno NS, Chasten KT, Cleeremans A, Connell L, DeCicco JM, Dijkstra K, Fischer AH, Foroni F, Hess U, Holmes KJ, Jones JLH, Klein O, Koch C, Korb S, Lewinski P, Liao JD, Lund S, Lupianez J, Lynott D, Nance CN, Oosterwijk S, Ozdoğru AA, Pacheco-Unguetti AP, Pearson B, Powis C, Riding S, Roberts TA, Rumiati RI, Senden M, Shea-Shumsky NB, Sobocko K, Soto JA, Steiner TG, Talarico JM, van Allen ZM, Vandekerckhove M, Wainwright B, Wayand JF, Zeelenberg R, Zetzer EE, Zwaan RA. Registered Replication Report. Perspect Psychol Sci 2016; 11:917-928. [DOI: 10.1177/1745691616674458] [Citation(s) in RCA: 201] [Impact Index Per Article: 25.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
According to the facial feedback hypothesis, people’s affective responses can be influenced by their own facial expression (e.g., smiling, pouting), even when their expression did not result from their emotional experiences. For example, Strack, Martin, and Stepper (1988) instructed participants to rate the funniness of cartoons using a pen that they held in their mouth. In line with the facial feedback hypothesis, when participants held the pen with their teeth (inducing a “smile”), they rated the cartoons as funnier than when they held the pen with their lips (inducing a “pout”). This seminal study of the facial feedback hypothesis has not been replicated directly. This Registered Replication Report describes the results of 17 independent direct replications of Study 1 from Strack et al. (1988), all of which followed the same vetted protocol. A meta-analysis of these studies examined the difference in funniness ratings between the “smile” and “pout” conditions. The original Strack et al. (1988) study reported a rating difference of 0.82 units on a 10-point Likert scale. Our meta-analysis revealed a rating difference of 0.03 units with a 95% confidence interval ranging from −0.11 to 0.16.
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Standen PJ, Threapleton K, Richardson A, Connell L, Brown DJ, Battersby S, Platts F, Burton A. A low cost virtual reality system for home based rehabilitation of the arm following stroke: a randomised controlled feasibility trial. Clin Rehabil 2016; 31:340-350. [PMID: 27029939 PMCID: PMC5349317 DOI: 10.1177/0269215516640320] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Objective: To assess the feasibility of conducting a randomised controlled trial of a home-based virtual reality system for rehabilitation of the arm following stroke. Design: Two group feasibility randomised controlled trial of intervention versus usual care. Setting: Patients’ homes. Participants: Patients aged 18 or over, with residual arm dysfunction following stroke and no longer receiving any other intensive rehabilitation. Interventions: Eight weeks’ use of a low cost home-based virtual reality system employing infra-red capture to translate the position of the hand into game play or usual care. Main measures: The primary objective was to collect information on the feasibility of a trial, including recruitment, collection of outcome measures and staff support required. Patients were assessed at three time points using the Wolf Motor Function Test, Nine-Hole Peg Test, Motor Activity Log and Nottingham Extended Activities of Daily Living. Results: Over 15 months only 47 people were referred to the team. Twenty seven were randomised and 18 (67%) of those completed final outcome measures. Sample size calculation based on data from the Wolf Motor Function Test indicated a requirement for 38 per group. There was a significantly greater change from baseline in the intervention group on midpoint Wolf Grip strength and two subscales of the final Motor Activity Log. Training in the use of the equipment took a median of 230 minutes per patient. Conclusions: To achieve the required sample size, a definitive home-based trial would require additional strategies to boost recruitment rates and adequate resources for patient support.
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Affiliation(s)
- P J Standen
- 1 Division of Rehabilitation and Ageing, University of Nottingham, Nottingham, UK
| | - K Threapleton
- 2 School of Health Sciences, University of Nottingham, Nottingham, UK
| | - A Richardson
- 3 Derbyshire Community Health Services NHS Trust, Integrated Community Therapy Team, St. Oswalds Hospital, Ashbourne, UK
| | - L Connell
- 4 School of Nursing, University of Central Lancashire, Lancashire, UK
| | - D J Brown
- 5 Computing and Technology Team, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - S Battersby
- 5 Computing and Technology Team, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - F Platts
- 6 Sherwood Forest Hospitals NHS Foundation Trust, Mansfield Community Hospital, Nottinghamshire, UK
| | - A Burton
- 5 Computing and Technology Team, School of Science and Technology, Nottingham Trent University, Nottingham, UK
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Clerk A, Connell L, Pipe M, Fuller SJ, Sugden PH. P95Effects of dabrafenib and trametinib, cancer therapies that target BRaf and MEK, on cardiac signalling. Cardiovasc Res 2014. [DOI: 10.1093/cvr/cvu082.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Kelly⁎ C, Connell L, Mulvihill E, Flanagan E, O'Keeffe M, O'Reilly S, O'Suilleabhain C, Power D. Does age count in pancreatic resection? An Irish experience. J Geriatr Oncol 2012. [DOI: 10.1016/j.jgo.2012.10.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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11
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Connell L, Sutton C. Commentary on â€Past and present issues in Rasch analysis: The FIM revisitedâ€. J Rehabil Med 2012; 44:91-2; author reply 93. [DOI: 10.2340/16501977-0925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Connell L, Mulvihill E, O'Keefe M, O'Suilleabhain C, O'Reilly S, Power D. 4010 POSTER Does Age Count in Pancreatic Resection? Eur J Cancer 2011. [DOI: 10.1016/s0959-8049(11)71253-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Teo M, Connell L, Graham D, Drake C, O'Dea P, Keohane C, O'Reilly S, Moylan E, Power D. 8718 POSTER Influence of Presenting Symptoms on Treatment Patterns and Outcomes in Glioblastoma Multiforme (GBM). Eur J Cancer 2011. [DOI: 10.1016/s0959-8049(11)72269-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Campbell L, Connell L, Lichtenfeld A, Church D. P100 Comparison of dimethyl oxidase versus different formulations of 1% tetramethyl oxidase with and without ascorbic acid stabilizer and commercial TestOxidase™ (ProLab) reagent for phenotypic analysis in a clinical microbiology laboratory. Int J Antimicrob Agents 2009. [DOI: 10.1016/s0924-8579(09)70319-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Connell L, Redman R, Craig S, Scorzetti G, Iszard M, Rodriguez R. Diversity of soil yeasts isolated from South Victoria Land, Antarctica. Microb Ecol 2008; 56:448-459. [PMID: 18253776 DOI: 10.1007/s00248-008-9363-1] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2007] [Revised: 11/26/2007] [Accepted: 12/16/2007] [Indexed: 05/25/2023]
Abstract
Unicellular fungi, commonly referred to as yeasts, were found to be components of the culturable soil fungal population in Taylor Valley, Mt. Discovery, Wright Valley, and two mountain peaks of South Victoria Land, Antarctica. Samples were taken from sites spanning a diversity of soil habitats that were not directly associated with vertebrate activity. A large proportion of yeasts isolated in this study were basidiomycetous species (89%), of which 43% may represent undescribed species, demonstrating that culturable yeasts remain incompletely described in these polar desert soils. Cryptococcus species represented the most often isolated genus (33%) followed by Leucosporidium (22%). Principle component analysis and multiple linear regression using stepwise selection was used to model the relation between abiotic variables (principle component 1 and principle component 2 scores) and yeast biodiversity (the number of species present at a given site). These analyses identified soil pH and electrical conductivity as significant predictors of yeast biodiversity. Species-specific PCR primers were designed to rapidly discriminate among the Dioszegia and Leucosporidium species collected in this study.
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Affiliation(s)
- L Connell
- School of Marine Sciences, University of Maine, 5735 Hitchner Hall, Orono, ME 04469, USA.
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Cuthbert MO, Burgess WG, Connell L. Constraints on sustainable development of arsenic-bearing aquifers in southern Bangladesh. Part 2: Preliminary models of arsenic variability in pumped groundwater. ACTA ACUST UNITED AC 2002. [DOI: 10.1144/gsl.sp.2002.193.01.13] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AbstractNumerical models of groundwater flow and arsenic transport to tubewells in southern Bangladesh have been developed, based on a conceptual model derived from field observations. The catchment of a single hand-pumped tubewell (HTW) is incorporated within a model domain 8110m2 in area and 60m thick. Three tubewell specifications represent typical Bangladesh HTW designs. Constant-concentration cells act as a single-layered arsenic source, arranged to represent the observed depth distribution of arsenic in the aquifer and the range of possible patterns of overlap between HTW catchments and discontinuous zones of arsenic release from sediment to groundwater. A variety of sorption regimes is simulated, and sensitivity to sorption is illustrated. Boundary conditions are modified to simulate the effects of deep production wells. The models reproduce the observed scale and range of arsenic concentration in groundwater pumped from HTWs, and demonstrate likely long-term trends. Breakthrough of arsenic to HTWs may occur a few years after the start of pumping, but at many tubewells the concentration of arsenic could continue to rise significantly over tens to hundreds of years. Spatial distributions and depth profiles of arsenic in groundwater from tubewells should be viewed as transient in the long term. These preliminary models allow implications for the sustainability of the shallow alluvial aquifer to be quantified provisionally. The mechanisms and scale of sorption of arsenic by the aquifer sediments remain as significant uncertainties.
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Affiliation(s)
- M. O. Cuthbert
- Entec UK Ltd
160-162 Abbey Foregate, Shrewsbury, SY2 6BZ, UK
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Affiliation(s)
- L A Lenert
- University of California, San Diego, San Diego, California, USA
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Abstract
Regulation of gene expression in plastids may involve molecular components conserved from cyanobacteria-like ancestors. Among prokaryotes, genes are commonly regulated at the transcriptional level by 'two-component' or 'His-Asp' signal transducers, consisting of a 'sensor kinase', which autophosphorylates at a conserved histidine residue, and a cognate response regulator, which is phosphorylated by the sensor kinase at a conserved aspartate residue. A putative His-Asp response regulator gene (trg1: transcriptional regulatory gene 1) has been identified in the estuarine raphidophytic alga Heterosigma akashiwo. The chloroplast-encoded trg1 is 693 bp in length, contains no introns, and yields a conceptual translation product of 231 amino acids, with a predicted mass of 27 kDa. Homology searches suggest that Heterosigma trgl has an omnpR-like identity within the DNA-binding His-Asp family of response regulators. trg1 contains both the phosphorylation and DNA-binding domains which are present in prokaryote response regulators. Quantitative competitive RT-PCR showed that Heterosigma trg1 is expressed at low levels (5 microg per g total RNA). In contrast, psbA (a photosystem II component) transcript is abundant (60 mg per g total RNA). Cell cycle analysis showed that psbA abundance oscillates in response to light but trg1 mRNA levels are invariant. We hypothesize that a His-Asp phosphorelay mechanism may affect chloroplast genome transcription in a manner similar to bacterial signal transduction pathways in which 'sensor kinase' and cognate 'response regulator' proteins interact.
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Affiliation(s)
- M A Jacobs
- Department of Botany, University of Washington, Seattle 98195-5325, USA
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Abstract
Reports the results of a questionnaire survey of Roman Catholic and Protestant insurance claimants (N = 445) who were asked to evaluate their hospital stays in terms of pastoral care, social services, and patient representatives. Discusses the results--including a ranking of the levels at which spiritual needs were met--and offers guiding questions for future research.
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Abstract
The STE11 gene of Saccharomyces cerevisiae is one of several genes required for mating between two haploid cell types of this yeast. Its product is required for response to a signal that causes arrest of the mitotic cell cycle in the G1 phase and induction of mating-type-specific genes. The nucleotide sequence of the STE11 gene was determined. The predicted amino acid sequence shows homology to the protein kinase family. We demonstrate that the STE11 product has kinase catalytic activity and that this activity is required for its in vivo functions.
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Affiliation(s)
- N Rhodes
- Department of Chemistry, University of North Carolina, Chapel Hill 27599
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Abstract
A protein with a molecular weight on SDS polyacrylamide gels of 215,000 (referred to here as 215K) was purified from chicken gizzard smooth muscle. Antibodies against this protein localized it in fibroblasts to adhesion plaques (focal contacts), to regions underlying cell surface fibronectin, and to ruffling membranes. In the first two distributions it was similar to vinculin in cellular location, and this was confirmed by double-label immunofluorescence microscopy, but the concentration of 215K in membrane ruffles distinguished it from vinculin. There was no cross-reaction of the antibody against 215K with vinculin, and immunoprecipitation and antibody staining of SDS gels of whole cells revealed a single cross-reactive component with a molecular weight of 215,000. Immunoprecipitation from cultures labeled with [32P]phosphate revealed 215K to be a phosphoprotein. Transformation of rat or chicken fibroblasts by Rous sarcoma virus resulted in a reorganization of 215K, in some cases into complex intracellular structures. The localization of 215K where microfilament bundles terminate as well as in close relation to cell surface fibronectin and in membrane ruffles suggests that the protein has some function in the organization of actin filaments at or close to regions of actin-membrane attachment.
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Burridge K, Connell L. Talin: a cytoskeletal component concentrated in adhesion plaques and other sites of actin-membrane interaction. Cell Motil 1983; 3:405-17. [PMID: 6319001 DOI: 10.1002/cm.970030509] [Citation(s) in RCA: 141] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Talin is a recently identified cytoskeletal protein with a polypeptide molecular weight of 215,000 daltons. In cultured fibroblasts talin has been localized by immunofluorescence in adhesion plaques (focal contacts), in the ruffling membranes and leading lamellae of the cell periphery, and in fibrillar patterns that align with microfilament bundles and/or with cell surface fibronectin. These cellular locations suggest that the protein could function either in the attachment of microfilaments to the plasma membrane or in the organization of microfilaments close to membrane attachment sites. Cell transformation by viruses such as Rous sarcoma virus disrupts the normal organization of talin, and in most transformed cells talin appears distributed diffusely through the cytoplasm. In a few cells talin is detected in doughnut-shaped aggregates, as a ring surrounding a central core of actin. The significance of these structures is uncertain, but in some cells the individual structures will condense to form much larger aggregates with a striking appearance when viewed by immunofluorescence microscopy.
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Abstract
Proteins that may be involved in two types of actin-membrane association are discussed. The first set includes alpha-actinin, vinculin, fimbrin and a new cytoskeletal protein that are all concentrated in adhesion plaques, those regions of cultured fibroblasts where bundles of actin microfilaments terminate and where the plasma membrane comes close to the underlying substrate. The properties of non-muscle alpha-actinin suggest that it functions to cross-link actin filaments and thereby stabilize microfilament bundles rather than functioning in their attachment to the membrane. Fimbrin also appears to be involved in bundling of filaments rather than in attachment. In contrast, vinculin binds to the ends of actin filaments in vitro and is probably the best candidate for a role in the attachment of actin to membranes at the adhesion plaque. The discovery of a new protein, 215k, of unknown function, in the adhesion plaque suggests that many more proteins remain to be identified in this region. Attachment of actin filaments to other regions of the plasma membrane is also considered and a protein is described that seems to be a spectrin in brain and other tissues. The brain protein resembles erythrocyte spectrin in its physical properties, in binding actin, in being associated with cell membranes and in cross-reacting immunologically. We suggest that the brain protein and erythrocyte spectrin both belong to a family of related proteins (the spectrins) which function in the attachment of actin to membranes in many different cell types.
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