keyword
MENU ▼
Read by QxMD icon Read
search

clinical practice research datalink

keyword
https://www.readbyqxmd.com/read/27903988/metabolic-syndrome-in-relation-to-risk-of-meningioma
#1
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...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27889705/effect-estimation-in-point-exposure-studies-with-binary-outcomes-and-high-dimensional-covariate-data-a-comparison-of-targeted-maximum-likelihood-estimation-and-inverse-probability-of-treatment-weighting
#2
Menglan Pang, Tibor Schuster, Kristian B Filion, Mireille E Schnitzer, Maria Eberg, Robert W Platt
Inverse probability of treatment weighting (IPW) and targeted maximum likelihood estimation (TMLE) are relatively new methods proposed for estimating marginal causal effects. TMLE is doubly robust, yielding consistent estimators even under misspecification of either the treatment or the outcome model. While IPW methods are known to be sensitive to near violations of the practical positivity assumption (e. g., in the case of data sparsity), the consequences of this violation in the TMLE framework for binary outcomes have been less widely investigated...
November 29, 2016: International Journal of Biostatistics
https://www.readbyqxmd.com/read/27885400/influences-on-antidepressant-prescribing-trends-in-the-uk-1995-2011
#3
Becky Mars, Jon Heron, David Kessler, Neil M Davies, Richard M Martin, Kyla H Thomas, David Gunnell
PURPOSE: The number of antidepressants prescribed in the UK has been increasing over the last 25 years; however, the reasons for this are not clear. This study examined trends in antidepressant prescribing in the UK between 1995 and 2011 according to age, sex, and drug class, and investigated reasons for the increase in prescribing over this period. METHODS: This is a retrospective analysis of antidepressant prescribing data from the Clinical Practice Research Datalink: a large, anonymised, primary care database in the UK...
November 24, 2016: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/27883260/the-use-of-incretin-agents-and-risk-of-acute-and-chronic-pancreatitis-a-population-based-cohort-study
#4
Lotte M Knapen, Roy G P J de Jong, Johanna H M Driessen, Yolande C Keulemans, Nielka P van Erp, Marie L De Bruin, Hubert G M Leufkens, Sander Croes, Frank de Vries
BACKGROUND: Incretin-based therapies (Dipeptidyl Peptidase 4 inhibitors and Glucagon-Like Peptide-1 Receptor Agonists) are effective new agents for the treatment of Type 2 Diabetes Mellitus (T2DM). While incretin-based therapies have been associated with pancreatitis, evidence is conflicting for acute pancreatitis and lacks for chronic pancreatitis. OBJECTIVE: To determine the association between the use of incretin agents and the risk of any, acute and chronic pancreatitis...
November 24, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27870566/androgen-deprivation-therapy-and-the-risk-of-dementia-in-patients-with-prostate-cancer
#5
Farzin Khosrow-Khavar, Soham Rej, Hui Yin, Armen Aprikian, Laurent Azoulay
Purpose Recent observational studies have associated the use of androgen deprivation therapy (ADT) with an increased risk of dementia and Alzheimer's disease, but these studies had limitations. The objective of this study was to determine whether the use of ADT is associated with an increased risk of dementia, including Alzheimer's disease, in patients with prostate cancer. Patients and Methods Using the United Kingdom's Clinical Practice Research Datalink, we assembled a cohort of 30,903 men newly diagnosed with nonmetastatic prostate cancer between April 1, 1988 and April 30, 2015, and observed them until April 30, 2016...
November 21, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27868282/validation-of-stevens-johnson-syndrome-or-toxic-epidermal-necrolysis-diagnoses-in-the-clinical-practice-research-datalink
#6
Noel Frey, Andreas Bircher, Michael Bodmer, Susan S Jick, Christoph R Meier, Julia Spoendlin
PURPOSE: To evaluate the validity of recorded diagnoses of Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) in the Clinical Practice Research Datalink (CPRD). METHODS: We identified patients with a diagnosis of SJS or TEN between 1995 and 2013 in the CPRD. We reviewed information from patient records, free text, and hospital episode statistics (HES) data, and excluded patients with no indication of a secondary care referral. Remaining patients were classified as probable, possible, or unlikely cases of SJS/TEN by two specialised clinicians or based on pre-defined classification criteria...
November 20, 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27865756/association-of-insulin-dosage-with-mortality-or-major-adverse-cardiovascular-events-a-retrospective-cohort-study
#7
John-Michael Gamble, Eugene Chibrikov, Laurie K Twells, William K Midodzi, Stephanie W Young, Don MacDonald, Sumit R Majumdar
BACKGROUND: Existing studies have shown conflicting evidence regarding the safety of exogenous insulin therapy in patients with type 2 diabetes. In particular, observational studies have reported an increased risk of death and cardiovascular disease among users of higher versus lower doses of insulin. We aimed to quantify the association between increasing dosage of insulin exposure and death and cardiovascular events, while taking into account time-dependent confounding and mediation that might have biased previous studies...
November 16, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27846200/the-use-of-drugs-acting-on-the-renin-angiotensin-system-and-the-incidence-of-pancreatic-cancer
#8
Victoria Mandilaras, Nathaniel Bouganim, Hui Yin, Jamil Asselah, Laurent Azoulay
BACKGROUND: Angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are commonly used antihypertensives. Recently, these drugs have been associated with a protective effect against pancreatic cancer, but data on this putative association remain limited. Thus, the objective of this study was to determine whether the use of ACEIs and/or ARBs is associated with a decreased risk of pancreatic cancer. METHODS: We conducted a population-based cohort study, using a nested case-control analysis within the UK Clinical Practice Research Datalink population...
November 15, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27819513/can-assessment-of-disease-burden-prior-to-changes-in-initial-copd-maintenance-treatment-provide-insight-into-remaining-unmet-needs-a-retrospective-database-study-in-uk-primary-care
#9
Sarah H Landis, Keele Wurst, Hoa Van Le, Kerina Bonar, Yogesh S Punekar
This retrospective cohort study aimed to assess treatment patterns over 24 months amongst patients with chronic obstructive pulmonary disease (COPD), initiating a new COPD maintenance treatment, and to understand clinical indicators of treatment change. Patients included in the study initiated a long-acting β2-agonist (LABA), a long-acting muscarinic antagonist (LAMA), or a combination of LABA and an inhaled corticosteroid (ICS/LABA) between January 1, 2009, and November 30, 2013, as recorded in the United Kingdom Clinical Practice Research Datalink (UK CPRD)...
November 7, 2016: COPD
https://www.readbyqxmd.com/read/27812809/geographic-variation-in-secondary-fracture-prevention-after-a-hip-fracture-during-1999-2013-a-uk-study
#10
A Shah, D Prieto-Alhambra, S Hawley, A Delmestri, J Lippett, C Cooper, A Judge, M K Javaid
: Fragility fractures of the hip have a major impact on the lives of patients and their families. This study highlights significant geographical variation in secondary fracture prevention with even the highest performing regions failing the majority of patients despite robust evidence supporting the benefits of diagnosis and treatment. INTRODUCTION: The purpose of the study is to describe the geographic variation in anti-osteoporosis drug therapy prescriptions before and after a hip fracture during 1999-2013 in the UK...
November 3, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27800007/comparison-of-dementia-recorded-in-routinely-collected-hospital-admission-data-in-england-with-dementia-recorded-in-primary-care
#11
Anna Brown, Oksana Kirichek, Angela Balkwill, Gillian Reeves, Valerie Beral, Cathie Sudlow, John Gallacher, Jane Green
BACKGROUND: Electronic linkage of UK cohorts to routinely collected National Health Service (NHS) records provides virtually complete follow-up for cause-specific hospital admissions and deaths. The reliability of dementia diagnoses recorded in NHS hospital data is not well documented. METHODS: For a sample of Million Women Study participants in England we compared dementia recorded in routinely collected NHS hospital data (Hospital Episode Statistics: HES) with dementia recorded in two separate sources of primary care information: a primary care database [Clinical Practice Research Datalink (CPRD), n = 340] and a survey of study participants' General Practitioners (GPs, n = 244)...
2016: Emerging Themes in Epidemiology
https://www.readbyqxmd.com/read/27797922/the-pattern-of-underlying-cause-of-death-in-patients-with-inflammatory-bowel-disease-in-england-a-record-linkage-study
#12
Thomas P C Chu, Gordon W Moran, Timothy R Card
BACKGROUND AND AIMS: Numerous studies have established that mortality risk in IBD patients is higher than the general population, but the causes of death have seldom been examined. We aimed to describe causes of death in IBD. METHODS: A matched cohort study using UK general practice data from Clinical Practice Research Datalink linked to death registration records. We described the distribution of causes of death among IBD patients by age at death and time since IBD diagnosis...
October 25, 2016: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/27797785/glucagon-like-peptide-1-analogues-and-risk-of-breast-cancer-in-women-with-type-2-diabetes-population-based-cohort-study-using-the-uk-clinical-practice-research-datalink
#13
Blánaid M Hicks, Hui Yin, Oriana H Y Yu, Michael N Pollak, Robert W Platt, Laurent Azoulay
OBJECTIVE:  To determine whether the use of glucagon-like peptide-1 (GLP-1) analogues, compared with the use of dipeptidylpeptidase-4 (DPP-4) inhibitors, is associated with an increased risk of incident breast cancer in patients with type 2 diabetes. DESIGN:  Population based cohort study. SETTING:  Clinical Practice Research Datalink, UK. PARTICIPANTS:  44 984 women aged at least 40 years, who were newly treated with glucose lowering drugs between 1 January 2007 and 31 March 2015, with follow-up until 31 March 2016...
October 20, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27796906/basal-bolus-therapy-in-patients-with-type-2-diabetes-mellitus-in-the-uk-patient-characteristics-treatment-patterns-and-the-effect-of-switching-to-premixed-insulin
#14
Kate van Brunt, Bradley Curtis, Tibor Ivanyi, Elemer Balogh, Corina Chalkiadaki, Sharon MacLachlan, David Neasham, Mireia Raluy-Callado
INTRODUCTION: Increasing emphasis is being placed on insulin use among patients with type 2 diabetes mellitus (T2DM). Basal-bolus (BB) therapy is regarded as the gold standard, but a high frequency of injections and the general complexity of this therapy are seen as barriers in real-world practice. Here we describe the characteristics and treatment patterns of patients with T2DM receiving BB in the UK, with specific focus on those switching to a simplified regimen of premixed insulin...
October 31, 2016: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/27788230/the-use-of-a-bayesian-hierarchy-to-develop-and-validate-a-co-morbidity-score-to-predict-mortality-for-linked-primary-and-secondary-care-data-from-the-nhs-in-england
#15
Colin J Crooks, Tim R Card, Joe West
BACKGROUND: We have assessed whether the linkage between routine primary and secondary care records provided an opportunity to develop an improved population based co-morbidity score with the combined information on co-morbidities from both health care settings. METHODS: We extracted all people older than 20 years at the start of 2005 within the linkage between the Hospital Episodes Statistics, Clinical Practice Research Datalink, and Office for National Statistics death register in England...
2016: PloS One
https://www.readbyqxmd.com/read/27787616/evaluation-of-methods-to-estimate-missing-days-supply-within-pharmacy-data-of-the-clinical-practice-research-datalink-cprd-and-the-health-improvement-network-thin
#16
Kirsten J Lum, Craig W Newcomb, Jason A Roy, Dena M Carbonari, M Elle Saine, Serena Cardillo, Harshvinder Bhullar, Arlene M Gallagher, Vincent Lo Re
PURPOSE: The extent to which days' supply data are missing in pharmacoepidemiologic databases and effective methods for estimation is unknown. We determined the percentage of missing days' supply on prescription and patient levels for oral anti-diabetic drugs (OADs) and evaluated three methods for estimating days' supply within the Clinical Practice Research Datalink (CPRD) and The Health Improvement Network (THIN). METHODS: We estimated the percentage of OAD prescriptions and patients with missing days' supply in each database from 2009 to 2013...
October 27, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27784724/association-of-hypoglycemia-with-subsequent-dementia-in-older-patients-with-type-2-diabetes-mellitus
#17
Hemalkumar B Mehta, Vinay Mehta, James S Goodwin
BACKGROUND: Studies have found conflicting evidence regarding the association of hypoglycemia with dementia. We evaluated an association of hypoglycemia with subsequent dementia in patients with type 2 diabetes. METHODS: This retrospective longitudinal cohort study used the Clinical Practice Research Datalink, an electronic medical records data from the United Kingdom, from 2003 to 2012. We included patients aged >65 years diagnosed with type 2 diabetes, with no prior diagnosis of dementia...
October 26, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/27777232/cytology-in-the-diagnosis-of-cervical-cancer-in-symptomatic-young-women-a-retrospective-review
#18
Anita Ww Lim, Rebecca Landy, Alejandra Castanon, Antony Hollingworth, Willie Hamilton, Nick Dudding, Peter Sasieni
BACKGROUND: Cervical cancer in young women presents a diagnostic challenge because gynaecological symptoms are common but underlying disease is rare. AIM: To explore the potential for using cytology as a diagnostic aid for cervical cancer in young women. DESIGN AND SETTING: Retrospective review of primary care records and cytology data from the national cervical screening database and national audit of cervical cancers. METHOD: Four datasets of women aged 20-29 years in England were examined: primary care records and national screening data from an in-depth study of cervical cancers; cytology from the national audit of cervical cancers; whole-population cytology from the national screening database; and general-population primary care records from the Clinical Practice Research Datalink...
October 24, 2016: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/27766471/increased-rates-of-sequelae-post-encephalitis-in-individuals-attending-primary-care-practices-in-the-united-kingdom-a-population-based-retrospective-cohort-study
#19
Julia Granerod, Nicholas W S Davies, Parashar P Ramanuj, Ava Easton, David W G Brown, Sara L Thomas
The true extent of sequelae in encephalitis survivors relative to rates within the general population is not known. This study aimed to quantify increased risks of epilepsy, depressive disorders, anxiety disorders, psychotic disorders, bipolar disorder, cognitive problems, dementia, headache, and alcohol abuse among encephalitis cases. 2460 exposed individuals diagnosed with incident encephalitis in the Clinical Practice Research Datalink and 47,914 unexposed individuals without a history of encephalitis were included...
October 20, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27747831/improving-the-identification-of-out-of-hospital-sudden-cardiac-deaths-in-a-general-practice-research-database
#20
Cristina Varas-Lorenzo, Alejandro Arana, Catherine B Johannes, Lisa J McQuay, Kenneth J Rothman, Daniel Fife
BACKGROUND: The ascertainment of sudden cardiac death (SCD) in electronic health databases is challenging. OBJECTIVES: Our objective was to evaluate the applicability of the validated computer definition of SCD developed by Chung et al. in a retrospective study of SCD and domperidone exposure in the Clinical Practice Research Datalink (CPRD). METHODS: We assessed out-of-hospital SCD by applying the validated computer definition and linking data with Hospital Episode Statistics and death certificates...
September 2016: Drugs—Real World Outcomes
keyword
keyword
52608
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"