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https://www.readbyqxmd.com/read/27584150/characterization-of-gprk-encoding-a-putative-hybrid-g-protein-coupled-receptor-in-aspergillus-fumigatus
#1
Mun-Gu Jung, Sung Su Kim, Jae-Hyuk Yu, Kwang-Soo Shin
The G-protein-coupled receptor (GPCR) family represents the largest and most varied collection of membrane embedded proteins that are sensitized by ligand binding and interact with heterotrimeric G proteins. Despite their presumed critical roles in fungal biology, the functions of the GPCR family members in the opportunistic human pathogen Aspergillus fumigatus are largely unknown, as only two (GprC and GprD) of the 15 predicted GPCRs have been studied. Here, we characterize the gprK gene, which is predicted to encode a hybrid GPCR with both 7-transmembrane and regulator of G-protein signaling (RGS) domains...
2016: PloS One
https://www.readbyqxmd.com/read/27537389/do-colorectal-cancer-patients-diagnosed-as-an-emergency-differ-from-non-emergency-patients-in-their-consultation-patterns-and-symptoms-a-longitudinal-data-linkage-study-in-england
#2
C Renzi, G Lyratzopoulos, T Card, T P C Chu, U Macleod, B Rachet
BACKGROUND: More than 20% of colorectal cancers are diagnosed following an emergency presentation. We aimed to examine pre-diagnostic primary-care consultations and related symptoms comparing patients diagnosed as emergencies with those diagnosed through non-emergency routes. METHODS: Cohort study of colorectal cancers diagnosed in England 2005 and 2006 using cancer registration data individually linked to primary-care data (CPRD/GPRD), allowing a detailed analysis of clinical information referring to the 5-year pre-diagnostic period...
September 27, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27456701/is-real-world-evidence-influencing-practice-a-systematic-review-of-cprd-research-in-nice-guidances
#3
Jessie O Oyinlola, Jennifer Campbell, Antonis A Kousoulis
BACKGROUND: There is currently limited evidence regarding the extent Real World Evidence (RWE) has directly impacted the health and social care systems. The aim of this review is to identify national guidelines or guidances published in England from 2000 onwards which have referenced studies using the governmental primary care data provider the Clinical Practice Research Datalink (CPRD). METHODS: The methodology recommended by Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was followed...
2016: BMC Health Services Research
https://www.readbyqxmd.com/read/26983033/high-dose-atorvastatin-associated-with-increased-risk-of-significant-hepatotoxicity-in-comparison-to-simvastatin-in-uk-gprd-cohort
#4
COMPARATIVE STUDY
Alan T Clarke, Paul C D Johnson, Gillian C Hall, Ian Ford, Peter R Mills
BACKGROUND & AIMS: Occasional risk of serious liver dysfunction and autoimmune hepatitis during atorvastatin therapy has been reported. We compared the risk of hepatotoxicity in atorvastatin relative to simvastatin treatment. METHODS: The UK GPRD identified patients with a first prescription for simvastatin [164,407] or atorvastatin [76,411] between 1997 and 2006, but with no prior record of liver disease, alcohol-related diagnosis, or liver dysfunction. Incident liver dysfunction in the following six months was identified by biochemical value and compared between statin groups by Cox regression model adjusting for age, sex, year treatment started, dose, alcohol consumption, smoking, body mass index and comorbid conditions...
2016: PloS One
https://www.readbyqxmd.com/read/26700281/an-algorithm-to-identify-rheumatoid-arthritis-in-primary-care-a-clinical-practice-research-datalink-study
#5
Sara Muller, Samantha L Hider, Karim Raza, Rebecca J Stack, Richard A Hayward, Christian D Mallen
OBJECTIVE: Rheumatoid arthritis (RA) is a multisystem, inflammatory disorder associated with increased levels of morbidity and mortality. While much research into the condition is conducted in the secondary care setting, routinely collected primary care databases provide an important source of research data. This study aimed to update an algorithm to define RA that was previously developed and validated in the General Practice Research Database (GPRD). METHODS: The original algorithm consisted of two criteria...
December 23, 2015: BMJ Open
https://www.readbyqxmd.com/read/26296496/influenza-vaccination-and-risk-of-stroke-self-controlled-case-series-study
#6
Zahid Asghar, Carol Coupland, Niroshan Siriwardena
BACKGROUND: Stroke may be triggered by respiratory infections, including influenza. Influenza vaccination could therefore reduce risk of stroke. Previous studies of this association have shown conflicting results. We aimed to investigate whether influenza vaccination was associated with reduced risk of stroke. METHODS: We used a self-controlled case series design. The General Practice Research Database (GPRD) was used to extract records of patients aged 18 years or over recorded with stroke (fatal or non-fatal) from September 2001 to May 2009...
October 5, 2015: Vaccine
https://www.readbyqxmd.com/read/25934977/can-different-primary-care-databases-produce-comparable-estimates-of-burden-of-disease-results-of-a-study-exploring-venous-leg-ulceration
#7
COMPARATIVE STUDY
Emily S Petherick, Kate E Pickett, Nicky A Cullum
BACKGROUND: Primary care databases from the UK have been widely used to produce evidence on the epidemiology and health service usage of a wide range of conditions. To date there have been few evaluations of the comparability of estimates between different sources of these data. AIM: To estimate the comparability of two widely used primary care databases, the Health Improvement Network Database (THIN) and the General Practice Research Database (GPRD) using venous leg ulceration as an exemplar condition...
August 2015: Family Practice
https://www.readbyqxmd.com/read/25189344/relative-risk-of-myelodysplastic-syndromes-in-patients-with-autoimmune-disorders-in-the-general-practice-research-database
#8
Amanda B Wilson, Tuhina Neogi, Marianne Prout, Susan Jick
BACKGROUND: Certain immunosuppressant drugs are known to increase the risk of myeloid neoplasms although it is unclear if underlying autoimmune disorder itself increases the risk of myeloid neoplasms. METHODS: Using a nested case-control study in the General Practice Research Database (GPRD), we estimated the relative risk of myeloid neoplasms, specifically myelodysplastic syndromes (MDS) in patients with autoimmune disorders compared with patients without autoimmune disorders...
October 2014: Cancer Epidemiology
https://www.readbyqxmd.com/read/25139938/what-is-the-risk-of-having-a-total-hip-or-knee-replacement-for-patients-with-lupus
#9
S Mukherjee, D Culliford, N Arden, C Edwards
Individuals with systemic lupus erythematosus (SLE) frequently have arthralgia but joint damage leading to surgery is thought to be less common. In addition to inflammatory damage, other reasons like avascular necrosis (AVN), which is often associated with steroid use, excessive alcohol intake and antiphospholipid syndrome (APS), may increase the likelihood of large joint failure. In this study we aimed to determine the likelihood of having a total hip replacement (THR) or total knee replacement (TKR) for individuals with SLE compared to those without lupus, by performing a retrospective matched case control study of all THRs and TKRs that were performed between 1991 and 2011 and recorded in the General Practice Research Database (GPRD)...
February 2015: Lupus
https://www.readbyqxmd.com/read/25083228/recent-advances-in-the-utility-and-use-of-the-general-practice-research-database-as-an-example-of-a-uk-primary-care-data-resource
#10
REVIEW
Tim Williams, Tjeerd van Staa, Shivani Puri, Susan Eaton
Since its inception in the mid-1980s, the General Practice Research Database (GPRD) has undergone many changes but remains the largest validated and most utilised primary care database in the UK. Its use in pharmacoepidemiology stretches back many years with now over 800 original research papers. Administered by the Medicines and Healthcare products Regulatory Agency since 2001, the last 5 years have seen a rebuild of the database processing system enhancing access to the data, and a concomitant push towards broadening the applications of the database...
April 2012: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/24934556/health-care-resource-utilisation-in-primary-care-prior-to-and-after-a-diagnosis-of-alzheimer-s-disease-a-retrospective-matched-case-control-study-in-the-united-kingdom
#11
COMPARATIVE STUDY
Lei Chen, Catherine Reed, Michael Happich, Allen Nyhuis, Alan Lenox-Smith
BACKGROUND: This study examined medical resource utilisation patterns in the United Kingdom (UK) prior to and following Alzheimer's disease (AD) diagnosis. METHODS: A patient cohort aged 65 years and older with newly diagnosed AD between January 2008 and December 2010 was identified through the UK's Clinical Practice Research Datalink (CPRD). Patients with a continuous record in the CPRD (formerly the General Practice Research Database [GPRD]) for both the 3 years prior to, and the 1 year following, AD diagnosis were eligible for inclusion...
June 17, 2014: BMC Geriatrics
https://www.readbyqxmd.com/read/24852335/prevalence-and-management-of-chronic-kidney-disease-in-primary-care-patients-in-the-uk
#12
K Jameson, S Jick, K W Hagberg, B Ambegaonkar, A Giles, D O'Donoghue
BACKGROUND: This study aimed to estimate the prevalence of chronic kidney disease (CKD) in the UK in 2010 and to assess prevalence, comorbidities and comedications associated with the disease over time, following inclusion of CKD in the Quality and Outcomes Framework (QOF). METHODS: This was a retrospective, longitudinal study assessing individuals with prevalent or incident CKD (identified using estimated glomerular filtration rate readings and/or Read codes) in the General Practice Research Database (GPRD) in 2010...
September 2014: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/24760357/validating-childhood-asthma-in-an-epidemiological-study-using-linked-electronic-patient-records
#13
Rosaleen P Cornish, John Henderson, Andrew W Boyd, Raquel Granell, Tjeerd Van Staa, John Macleod
OBJECTIVE: To investigate the performance of parent-reported data in identifying physician-confirmed asthma. DESIGN AND SETTING: Validation study using linkage between the Avon Longitudinal Study of Parents and Children (ALSPAC) and electronic patient records held within the General Practice Research Database (GPRD). PARTICIPANTS: Participants were those eligible to participate in ALSPAC who also had a record in the GPRD; this included 765 individuals, just under 4% of ALSPAC-eligible participants...
April 23, 2014: BMJ Open
https://www.readbyqxmd.com/read/24670976/renal-failure-in-lithium-treated-bipolar-disorder-a-retrospective-cohort-study
#14
Helen Close, Joe Reilly, James M Mason, Mukesh Kripalani, Douglas Wilson, John Main, A Pali S Hungin
OBJECTIVE: Lithium users are offered routine renal monitoring but few studies have quantified the risk to renal health. The aim of this study was to assess the association between use of lithium carbonate and incidence of renal failure in patients with bipolar disorder. METHODS: This was a retrospective cohort study using the General Practice Research Database (GPRD) and a nested validation study of lithium exposure and renal failure. A cohort of 6360 participants aged over 18 years had a first recorded diagnosis of bipolar disorder between January 1, 1990 and December 31, 2007...
2014: PloS One
https://www.readbyqxmd.com/read/24475016/managing-cancer-pain-at-the-end-of-life-with-multiple-strong-opioids-a-population-based-retrospective-cohort-study-in-primary-care
#15
Wei Gao, Martin Gulliford, Michael I Bennett, Fliss E M Murtagh, Irene J Higginson
BACKGROUND: End-of-life cancer patients commonly receive more than one type of strong opioid. The three-step analgesic ladder framework of the World Health Organisation (WHO) provides no guidance on multiple opioid prescribing and there is little epidemiological data available to inform practice. This study aims to investigate the time trend of such cases and the associated factors. METHODS: Strong opioid prescribing in the last three months of life of cancer patients were extracted from the General Practice Research Database (GPRD)...
2014: PloS One
https://www.readbyqxmd.com/read/24455199/risk-of-mortality-including-sudden-cardiac-death-and-major-cardiovascular-events-in-atypical-and-typical-antipsychotic-users-a-study-with-the-general-practice-research-database
#16
Tarita Murray-Thomas, Meghan E Jones, Deven Patel, Elizabeth Brunner, Chetan C Shatapathy, Stephen Motsko, Tjeerd P Van Staa
Objective. Antipsychotics have been associated with increased cardiac events including mortality. This study assessed cardiac events including mortality among antipsychotic users relative to nonusers. Methods. The General Practice Research Database (GPRD) was used to identify antipsychotic users, matched general population controls, and psychiatric diseased nonusers. Outcomes included cardiac mortality, sudden cardiac death (SCD), all-cause mortality (excluding suicide), coronary heart disease (CHD), and ventricular arrhythmias (VA)...
2013: Cardiovascular Psychiatry and Neurology
https://www.readbyqxmd.com/read/24387894/atrial-fibrillation-improvement-in-identification-and-stroke-preventive-therapy-data-from-the-uk-clinical-practice-research-datalink-2000-2012
#17
A C E Scowcroft, M R Cowie
OBJECTIVE: To investigate recent trends in the diagnosis and treatment of atrial fibrillation. METHODS: Time trend analysis in the UK Clinical Practice Research Datalink (CPRD -previously the GPRD), 2000-2012. RESULTS: The incidence of AF in men rose from 1.274 (1.271, 1.276) per 1 000 patient years in 2000 to 1.972 (1.969, 1.975) in 2012. In women, it rose from 1.209 (1.207, 1.211) to 1.609 (1.606, 1.611). 55847 patients with AF first diagnosed between 2000 and 2012 were included in the study...
February 1, 2014: International Journal of Cardiology
https://www.readbyqxmd.com/read/24270505/effect-of-%C3%AE-blockers-on-mortality-after-myocardial-infarction-in-adults-with-copd-population-based-cohort-study-of-uk-electronic-healthcare-records
#18
J K Quint, E Herrett, K Bhaskaran, A Timmis, H Hemingway, J A Wedzicha, L Smeeth
OBJECTIVES: To investigate whether the use and timing of prescription of β blockers in patients with chronic obstructive pulmonary disease (COPD) having a first myocardial infarction was associated with survival and to identify factors related to their use. DESIGN: Population based cohort study in England. SETTING: UK national registry of myocardial infarction (Myocardial Ischaemia National Audit Project (MINAP)) linked to the General Practice Research Database (GPRD), 2003-11...
November 22, 2013: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/24131525/prevalence-and-incidence-rates-of-autism-in-the-uk-time-trend-from-2004-2010-in-children-aged-8-years
#19
Brent Taylor, Hershel Jick, Dean Maclaughlin
OBJECTIVES: To update UK studies begun in the early 1990s on the annual prevalence and incidence rates of autism in children; undertaken in response to a March 2012 press release, widely covered by the media, from the US Centre for Disease Control (CDC) reporting that the autism prevalence rate in 2008 in 8-year-old US children was 1 in 88, a 78% increase from a CDC estimate in 2004. This finding suggested a continuation of the dramatic increase in children diagnosed as autistic, which occurred in the 1990s...
2013: BMJ Open
https://www.readbyqxmd.com/read/24095936/the-relative-risk-of-aortic-aneurysm-in-patients-with-giant-cell-arteritis-compared-with-the-general-population-of-the-uk
#20
Joanna C Robson, Amit Kiran, Joe Maskell, Andrew Hutchings, Nigel Arden, Bhaskar Dasgupta, William Hamilton, Akan Emin, David Culliford, Raashid A Luqmani
OBJECTIVES: To evaluate the risk of aortic aneurysm in patients with giant cell arteritis (GCA) compared with age-, gender- and location-matched controls. METHODS: A UK General Practice Research Database (GPRD) parallel cohort study of 6999 patients with GCA and 41 994 controls, matched on location, age and gender, was carried out. A competing risk model using aortic aneurysm as the primary outcome and non-aortic-aneurysm-related death as the competing risk was used to determine the relative risk (subhazard ratio) between non-GCA and GCA subjects, after adjustment for cardiovascular risk factors...
January 2015: Annals of the Rheumatic Diseases
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