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https://www.readbyqxmd.com/read/28231289/rehr-an-r-package-for-manipulating-and-analysing-electronic-health-record-data
#1
David A Springate, Rosa Parisi, Ivan Olier, David Reeves, Evangelos Kontopantelis
Research with structured Electronic Health Records (EHRs) is expanding as data becomes more accessible; analytic methods advance; and the scientific validity of such studies is increasingly accepted. However, data science methodology to enable the rapid searching/extraction, cleaning and analysis of these large, often complex, datasets is less well developed. In addition, commonly used software is inadequate, resulting in bottlenecks in research workflows and in obstacles to increased transparency and reproducibility of the research...
2017: PloS One
https://www.readbyqxmd.com/read/28218819/healthcare-resource-utilization-and-related-financial-costs-associated-with-glucose-lowering-with-either-exenatide-or-basal-insulin-a-retrospective-cohort-study
#2
Sarah E Holden, Christopher Ll Morgan, Qing Qiao, Sara Jenkins-Jones, Ellen R Berni, Craig J Currie
AIMS: Type 2 diabetes is a major health problem placing increasing demands on healthcare systems. Our objective was to estimate healthcare resource use and related financial costs following treatment with exenatide-based regimens prescribed as once-weekly (EQW) or twice-daily (EBID) formulations, compared with regimens based on basal insulin (BI). MATERIALS AND METHODS: This retrospective cohort study used data from the UK Clinical Practice Research Datalink (CPRD) linked to Hospital Episode Statistics (HES)...
February 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28188601/sensitivity-of-the-uk-clinical-practice-research-datalink-to-detect-neurodevelopmental-effects-of-medicine-exposure-in-utero-comparative-analysis-of-an-antiepileptic-drug-exposed-cohort
#3
R A Charlton, A McGrogan, J Snowball, L M Yates, A Wood, J Clayton-Smith, W H Smithson, J L Richardson, N McHugh, S H L Thomas, G A Baker, R Bromley
INTRODUCTION: Electronic healthcare data have several advantages over prospective observational studies, but the sensitivity of data on neurodevelopmental outcomes and its comparability with data generated through other methodologies is unknown. OBJECTIVES: The objectives of this study were to determine whether data from the UK Clinical Practice Research Datalink (CPRD) produces similar risk estimates to a prospective cohort study in relation to the risk of neurodevelopmental disorders (NDDs) following prenatal antiepileptic drug (AED) exposure...
February 10, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28173634/prevalence-glucose-control-and-relative-survival-of-people-with-type-2-diabetes-in-the-uk-from-1991-to-2013
#4
S E Holden, S Jenkins-Jones, C Ll Morgan, J R Peters, G Schernthaner, C J Currie
AIMS: To characterize the prevalence of Type 2 diabetes between 1991 and 2013 in the UK and to determine whether corresponding glucose control and survival had changed in the diabetic population during this period. METHODS: For this retrospective cohort study, people diagnosed with Type 2 diabetes between 1991 and 2013 were identified from the Clinical Practice Research Datalink (CPRD) and the point prevalence calculated. Mean HbA1c by year was estimated. The Cox proportional hazards model was used to calculate the risk of all-cause mortality by year for incident cases of Type 2 diabetes treated with glucose-lowering therapy...
February 7, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28156036/assessing-recording-delays-in-general-practice-records-to-inform-near-real-time-vaccine-safety-surveillance-using-the-clinical-practice-research-datalink-cprd
#5
Andreia Leite, Nick J Andrews, Sara L Thomas
PURPOSE: Near real-time vaccine safety surveillance (NRTVSS) is an option for post-licensure vaccine safety assessment. NRTVSS requires timely recording of outcomes in the database used. Our main objective was to examine recording delays in the Clinical Practice Research Datalink (CPRD) for outcomes of interest for vaccine safety to inform the feasibility of NRTVSS using these data. We also evaluated completeness of recording and further assessed reporting delays for hospitalized events in CPRD...
February 3, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28122831/quality-of-recording-of-diabetes-in-the-uk-how-does-the-gp-s-method-of-coding-clinical-data-affect-incidence-estimates-cross-sectional-study-using-the-cprd-database
#6
A Rosemary Tate, Sheena Dungey, Simon Glew, Natalia Beloff, Rachael Williams, Tim Williams
OBJECTIVE: To assess the effect of coding quality on estimates of the incidence of diabetes in the UK between 1995 and 2014. DESIGN: A cross-sectional analysis examining diabetes coding from 1995 to 2014 and how the choice of codes (diagnosis codes vs codes which suggest diagnosis) and quality of coding affect estimated incidence. SETTING: Routine primary care data from 684 practices contributing to the UK Clinical Practice Research Datalink (data contributed from Vision (INPS) practices)...
January 25, 2017: BMJ Open
https://www.readbyqxmd.com/read/28110382/economic-evaluations-alongside-efficient-study-designs-using-large-observational-datasets-the-pleasant-trial-case-study
#7
Matthew Franklin, Sarah Davis, Michelle Horspool, Wei Sun Kua, Steven Julious
BACKGROUND: Large observational datasets such as Clinical Practice Research Datalink (CPRD) provide opportunities to conduct clinical studies and economic evaluations with efficient designs. OBJECTIVES: Our objectives were to report the economic evaluation methodology for a cluster randomised controlled trial (RCT) of a UK NHS-delivered public health intervention for children with asthma that was evaluated using CPRD and describe the impact of this methodology on results...
January 21, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28097904/estimated-burden-of-cardiovascular-disease-and-value-based-price-range-for-evolocumab-in-a-high-risk-secondary-prevention-population-in-the-us-payer-context
#8
Peter P Toth, Mark Danese, Guillermo Villa, Yi Qian, Anne Beaubrun, Armando Lira, Jeroen P Jansen
AIM: To estimate real-world cardiovascular disease (CVD) burden and value-based price range of evolocumab for a US-context, high-risk, secondary-prevention population. MATERIALS AND METHODS: Burden of CVD was assessed using the UK-based Clinical Practice Research Datalink (CPRD) in order to capture complete CV burden including CV mortality. Patients on standard of care (SOC; high-intensity statins) in CPRD were selected based on eligibility criteria of FOURIER, a phase 3 CV outcomes trial of evolocumab, and categorized into four cohorts: high-risk prevalent atherosclerotic CVD (ASCVD) cohort (n = 1448), acute coronary syndrome (ACS) (n = 602), ischemic stroke (IS) (n = 151), and heart failure (HF) (n = 291) incident cohorts...
January 25, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28068620/temporal-trends-in-antidepressant-prescribing-to-children-in-uk-primary-care-2000-2015
#9
Jane Sarginson, Roger T Webb, S Jill Stocks, Aneez Esmail, Shruti Garg, Darren M Ashcroft
BACKGROUND: The prevalence of antidepressant prescribing in children and adolescents increased steadily in the United States and parts of Europe between 2005 and 2012 despite regulatory safety warnings. Little is known about the characteristics of those being prescribed antidepressants for the first time. METHODS: A longitudinal study of antidepressant prescribing in 3-17 year olds was carried out using data from the UK Clinical Practice Research Datalink (CPRD) between 2000 and 2015...
January 2, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28040244/serious-adverse-effects-associated-with-glucocorticoid-therapy-in-patients-with-giant-cell-arteritis-gca-a-nested-case-control-analysis
#10
Jessica C Wilson, Khaled Sarsour, Neil Collinson, Katie Tuckwell, David Musselman, Micki Klearman, Pavel Napalkov, Susan S Jick, John H Stone, Christoph R Meier
OBJECTIVE: Giant cell arteritis (GCA) is an inflammatory vasculitis preferentially affecting large and medium-sized arteries. High-dose oral glucocorticoids (GCs) are the mainstay of GCA therapy. Using data from the UK Clinical Practice Research Datalink (CPRD), we examined the risk of oral GC-related serious adverse events (SAEs) in a UK population of patients with giant cell arteritis (GCA). METHODS: We conducted a series of nested case-control analyses in GCA patients to examine the effect of increasing dose of prednisolone on the risk of developing diabetes, glaucoma, osteoporosis, fractures, serious infection requiring hospitalization, and death...
November 28, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28026911/managing-glycaemia-in-older-people-with-type-2-diabetes-a-retrospective-primary-care-based-cohort-study-with-economic-assessment-of-patient-outcomes
#11
Jason Gordon, Phil McEwan, Marc Evans, Jorge Puelles, Alan Sinclair
AIMS: To describe the relative health and economic outcomes associated with different therapeutic approaches to managing older patients with type 2 diabetes failing metformin (M) monotherapy and escalated to second-line treatment. METHODS: The Clinical Practice Research Datalink (CPRD) database was used to inform a retrospective observational cohort study of patients with type 2 diabetes treated with M monotherapy requiring escalation (addition or switch) to a second-line oral regimen from 01-01-2008 to 31-12-2014...
December 27, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28003286/prescription-of-renin-angiotensin-system-blockers-and-risk-of-acute-kidney-injury-a-population-based-cohort-study
#12
Kathryn E Mansfield, Dorothea Nitsch, Liam Smeeth, Krishnan Bhaskaran, Laurie A Tomlinson
OBJECTIVE: To investigate whether there is an association between use of ACE inhibitors (ACEI) and angiotensin receptor blockers (ARB) and risk of acute kidney injury (AKI). STUDY DESIGN: We conducted a new-user cohort study of the rate of AKI among users of common antihypertensives. SETTING: UK primary care practices contributing to the Clinical Practice Research Datalink (CPRD) eligible for linkage to hospital records data from the Hospital Episode Statistics (HES) database between April 1997 and March 2014...
December 21, 2016: BMJ Open
https://www.readbyqxmd.com/read/27971811/a-cprd-hes-database-study-of-back-pain-in-the-uk-patient-pathways
#13
L Nagy, V Valovicova, P Brasseur, R J Pitman
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27971676/a-cprd-hes-database-study-of-back-pain-in-the-uk-incidence-and-prevalence
#14
V Valovicova, L Nagy, P Brasseur, R J Pitman
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27970759/burden-of-medically-attended-acute-gastroenteritis-in-england-a-cohort-study-in-cprd
#15
G Ferreira, B A Lopman, C Tam, J Harris, K Bollaerts, T Cattaert, M Riera, T Vestraeten
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27965247/can-commonly-prescribed-drugs-be-repurposed-for-the-prevention-or-treatment-of-alzheimer-s-and-other-neurodegenerative-diseases-protocol-for-an-observational-cohort-study-in-the-uk-clinical-practice-research-datalink
#16
Venexia M Walker, Neil M Davies, Tim Jones, Patrick G Kehoe, Richard M Martin
INTRODUCTION: Current treatments for Alzheimer's and other neurodegenerative diseases have only limited effectiveness meaning that there is an urgent need for new medications that could influence disease incidence and progression. We will investigate the potential of a selection of commonly prescribed drugs, as a more efficient and cost-effective method of identifying new drugs for the prevention or treatment of Alzheimer's disease, non-Alzheimer's disease dementias, Parkinson's disease and amyotrophic lateral sclerosis...
December 13, 2016: BMJ Open
https://www.readbyqxmd.com/read/27943565/long-term-use-of-dipeptidyl-peptidase-4-inhibitors-and-risk-of-fracture-a-retrospective-population-based-cohort-study
#17
Johanna H M Driessen, Joop P W van den Bergh, Hein A W van Onzenoort, Ronald M A Henry, Hubert G M Leufkens, Frank de Vries
AIMS: To investigate the association between long-term dipeptidyl peptidase-4 (DPP-4) inhibitor use and risk of fracture among people with type 2 diabetes mellitus (T2DM). METHODS: A retrospective population-based cohort study, using data from the Clinical Practice Research Datalink database (2007-2015), was conducted. All those (N = 328 254) with at least one prescription for a non-insulin antidiabetic drug (NIAD), aged ≥18 years at the time of data collection, were included...
December 10, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27920578/recording-of-hospitalizations-for-acute-exacerbations-of-copd-in-uk-electronic-health-care-records
#18
Kieran J Rothnie, Hana Müllerová, Sara L Thomas, Joht S Chandan, Liam Smeeth, John R Hurst, Kourtney Davis, Jennifer K Quint
BACKGROUND: Accurate identification of hospitalizations for acute exacerbations of chronic obstructive pulmonary disease (AECOPD) within electronic health care records is important for research, public health, and to inform health care utilization and service provision. We aimed to develop a strategy to identify hospitalizations for AECOPD in secondary care data and to investigate the validity of strategies to identify hospitalizations for AECOPD in primary care data. METHODS: We identified patients with chronic obstructive pulmonary disease (COPD) in the Clinical Practice Research Datalink (CPRD) with linked Hospital Episodes Statistics (HES) data...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27919934/development-and-validation-of-risk-prediction-model-for-venous-thromboembolism-in-postpartum-women-multinational-cohort-study
#19
Alyshah Abdul Sultan, Joe West, Matthew J Grainge, Richard D Riley, Laila J Tata, Olof Stephansson, Kate M Fleming, Catherine Nelson-Piercy, Jonas F Ludvigsson
OBJECTIVE:  To develop and validate a risk prediction model for venous thromboembolism in the first six weeks after delivery (early postpartum). DESIGN:  Cohort study. SETTING:  Records from England based Clinical Practice Research Datalink (CPRD) linked to Hospital Episode Statistics (HES) and data from Sweden based registry. PARTICIPANTS:  All pregnant women registered with CPRD-HES linked data between 1997 and 2014 and Swedish medical birth registry between 2005 and 2011 with postpartum follow-up...
December 5, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27903988/metabolic-syndrome-in-relation-to-risk-of-meningioma
#20
Corinna Seliger, Christoph R Meier, Claudia Becker, Susan S Jick, Martin Proescholdt, Ulrich Bogdahn, Peter Hau, Michael F Leitzmann
BACKGROUND: Meningioma is a frequent primary intracranial tumor, the etiology of which is potentially related to adiposity. Metabolic syndrome (MetS) is an increasingly common disease characterized by having at least three of the following conditions: central adiposity, arterial hypertension, dyslipidemia, and insulin resistance. Only one prior study investigated MetS in relation to meningioma risk and found a positive association between the two. RESULTS: Among 2,027 cases and 20,269 controls, body mass index was positively associated with meningioma (p-value for trend < 0...
January 10, 2017: Oncotarget
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