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Biomedical subjects

Mike Pringle

Publications and source records attributed to Mike Pringle.

At least 19 recordsLinked to original sources
PubMed2006

Developing a national primary care-based early warning system for health protection--a surveillance tool for the future? Analysis of routinely collected data.

The increasing threat of infections with pandemic potential such as influenza has focussed attention on the information needed to inform those managing a pandemic. The Health Protection Agency, Nottingham University and EMIS have developed a new national health protection surveillance system using QRESEARCH, an established primary care-derived database, to provide timely and local information on trends in community illness and prescribing. This article describes the first year of the surveillance project. Data on consultations and prescribing were extracted from routinely generated computerized consultation records between November 2004 and December 2005. Weekly consultation and prescribing rates for a range of conditions including influenza-like illness and prescription of anti-viral drugs for influenza and vomiting were developed as 'key indicators'. These indicators were presented in a weekly bulletin showing data to strategic health authority level for use by those working in public health. The particular value of this scheme is the ability to produce timely data on illness to local level and to link prescribing to morbidity. The data were used 'real time' to reassure about lack of illness following the Buncefield Fuel Depot incident. This scheme is being further developed to provide daily local influenza-related information needed in an influenza pandemic.

Ambulatory Care Information Systems↗
PubMed2006

Sex inequalities in access to care for patients with diabetes in primary care: questionnaire survey.

BACKGROUND: Health experiences differ between men and women. The health services have focused their attention on gynaecological health problems in women, however women with non-gynaecological health problems could be unintentionally neglected. Given the increased prevalence of diabetes, the healthcare needs and experiences of women with diabetes are increasing. AIM: To determine the extent of sex inequalities in access to care for diabetes in primary care. DESIGN OF STUDY: Cross-sectional population-based questionnaire study. SETTING: Twenty-three general practices spread through 23 different primary care trusts in the former Trent Region, UK. METHOD: The study consisted of a random sample of 1,673 patients with diabetes. Outcomes measured were odds ratios adjusted for age for measures of physical access to the GP's surgery; ease of obtaining appointments; access to primary care professionals; levels of routine diabetes care received; barriers to physical activity, problems eating and psychological distress as measured by the 18 score Diabetes Health Profile. RESULTS: Women were less likely than men to report that they had talked to their GP or practice nurse about their diabetes in the previous 12 months and were less likely to report that they were able to book routine appointments at convenient times. Almost 40% of all patients with diabetes reported difficulty in visiting the GP's surgery for their diabetes care, and women were more likely to report difficulties in visiting the surgery than men. Women were more likely than men to be afraid to go out alone (7.9% versus 3.6%) and more likely to be housebound (6.8% versus 2.4%). Women had significantly higher scores for eating problems and barriers to physical activity than men. CONCLUSIONS: Women report more problems with access to diabetes care than men. If the ambitions of the National Service Framework are to be met, then positive action needs to be taken to improve access to care for women with diabetes.

Aged↗
PubMed2006

General practice characteristics associated with rates of testing and detection of hepatitis C: cross-sectional study in Nottingham and Derbyshire.

The aim of this study was to determine general practice characteristics associated with testing rates for hepatitis C virus (HCV) and the proportion of tests with a positive result. The study included all patients tested for HCV from all general practices in the primary care trusts in Nottingham and Southern Derbyshire, UK over 2 years. There was a large variation between practices in HCV testing rates and the proportion of positive tests. Single-handed practices had higher testing rates and rates of positive results. Practices where at least half of the GPs were female had higher testing rates but lower positivity rates. The variation observed was not explained by deprivation or rurality of the practice.

Adult↗
PubMed2005

Corticosteroid sparing effects of vitamin C and magnesium in asthma: a randomised trial.

AIM: The study aims to assess the a priori hypothesis that regular supplementation with vitamin C or magnesium will permit a reduction in the corticosteroid dose required to maintain asthma control in adults. METHODS: We invited all participants recruited from primary care centres who completed a parallel-group, randomised, placebo-controlled, 16-week supplementation trial of 1g/day vitamin C or 450 mg/day magnesium to continue and participate in a structured corticosteroid reduction protocol over 10 weeks. RESULTS: A total of 92 participants (29 vitamin C, 31 magnesium and 32 placebo) entered the study. Assuming no reduction in corticosteroid dose in the 10 who subsequently withdrew, the geometric mean reductions in inhaled corticosteroid dose achieved with vitamin C, magnesium and placebo were 49, 13 and 11 microg, respectively. Relative to placebo, the unadjusted effect of vitamin C was significant, and remained at borderline significance after adjustment for baseline corticosteroid dose (relative reduction ratio=4.03, 95% CI 0.95 to 17.1, P=0.06). CONCLUSIONS: We conclude that while vitamin C supplements may have modest corticosteroid sparing effects and hence the potential to reduce exposure to their side effects, magnesium supplements have no effect on the inhaled corticosteroid dose required to maintain asthma control.

Administration, Inhalation↗
PubMed2003

The electronic patient record in primary care--regression or progression? A cross sectional study.

OBJECTIVES: To determine whether paperless medical records contained less information than paper based medical records and whether that information was harder to retrieve. DESIGN: Cross sectional study with review of medical records and interviews with general practitioners. SETTING: 25 general practices in Trent region. PARTICIPANTS: 53 British general practitioners (25 using paperless records and 28 using paper based records) who each provided records of 10 consultations. MAIN OUTCOME MEASURES: Content of a sample of records and doctor recall of consultations for which paperless or paper based records had been made. RESULTS: Compared with paper based records, more paperless records were fully understandable (89.2% v 69.9%, P=0.0001) and fully legible (100% v 64.3%, P < 0.0001). Paperless records were significantly more likely to have at least one diagnosis recorded (48.2% v 33.2%, P=0.05), to record that advice had been given (23.7% vs 10.7%, P=0.017), and, when a referral had been made, were more likely to contain details of the specialty (77.4% v 59.5%, P=0.03). When a prescription had been issued, paperless records were more likely to specify the drug dose (86.6% v 66.2%, P=0.005). Paperless records contained significantly more words, abbreviations, and symbols (P < 0.01 for all). At doctor interview, there was no difference between the groups for the proportion of patients or consultations that could be recalled. Doctors using paperless records were able to recall more advice given to patients (38.6% v 26.8%, P=0.03). CONCLUSION: We found no evidence to support our hypotheses that paperless records would be truncated and contain more local abbreviations; and that the absence of writing would decrease subsequent recall. Conversely we found that the paperless records compared favourably with manual records.

Adult↗
PubMed2003

Cross sectional survey of effectiveness of lipid lowering drugs in reducing serum cholesterol concentration in patients in 17 general practices.

OBJECTIVE: To compare the effectiveness of lipid lowering drugs in lowering serum cholesterol concentrations. DESIGN: Cross sectional study. SETTING: 17 practices within 17 primary care groups in Trent region, United Kingdom. PARTICIPANTS: Patients aged 35 years or over taking lipid lowering drugs and with at least two serum cholesterol concentrations recorded on computer. MAIN OUTCOME MEASURES: Proportion of patients achieving serum cholesterol concentration of < or =5 mmol/l and mean percentage reduction in serum cholesterol concentration. RESULTS: 1353 of 2469 (54.8%) patients receiving lipid lowering treatment had a last recorded serum cholesterol concentration of < or =5 mmol/l. Significantly more patients taking statins achieved the target value for serum cholesterol (5 mmol/l) than those taking fibrates (1307 (57%) v 46 (26%); P<0.0001). Atorvastatin and simvastatin were the most effective drugs in achieving the target. Significant differences were found between lipid lowering drugs for the pretreatment serum cholesterol concentration, the most recent cholesterol concentration, and the associated percentage reduction. Atorvastatin and simvastatin achieved the greatest percentage reduction in serum cholesterol concentrations (30.1%, 95% confidence interval 28.8% to 31.4%, and 28.0%, 26.7% to 29.3%, respectively). Although the mean serum cholesterol concentrations in this unselected population tended to be higher than those in clinical trials, the percentage reduction was consistent with the trials. CONCLUSION: The ability of individual statins to lower serum cholesterol concentration varied, with atorvastatin and simvastatin being the most effective. The percentage reductions agreed with those of randomised controlled trials indicating likely benefits in unselected patients in primary care. As the initial serum cholesterol concentrations were higher than those in randomised controlled trials, target serum cholesterol values of < or =5 mmol/l may be unrealistic even for patients taking the most efficacious drugs. Also, the higher initial levels could mean that the absolute reduction in cardiovascular risk in primary care patients is greater than thought.

Adult↗
PubMed2003

Improving quality: bridging the health sector divide.

ISSUE: All too often, quality assurance looks at just one small part of the complex system that is health care. However, evidently each individual patient has one set of experiences and outcomes, often involving a range of health professionals in a number of settings across multiple sectors. ADDRESSING THE ISSUE: In order to solve the problems of this complexity, we need to establish high-quality electronic recording in each of the settings. In the UK, primary care has been leading the way in adopting information technology and can now use databases for individual clinical care, for quality assurance using significant event and conventional auditing, and for research. BUILDING TOWARDS A SOLUTION: Before we can understand and quality-assure the whole health care system, we need electronic patient records in all settings and good communication to build a summary electronic health record for each patient. Such an electronic health record will be under the control of the patient concerned, will be shared with the explicit consent of the patient, and will form the vehicle for quality assurance across all sectors of the health service.

Chronic Disease↗
PubMed2003

A case-control study on the effect of hormone replacement therapy on ischaemic heart disease.

BACKGROUND: Many clinicians believe that hormone replacement therapy (HRT) protects against coronary heart disease (CHD) in women. However, recent reports have cast some doubt on this because of lack of dose-response or duration-response effects. Since CHD is common in women--about half of all postmenopausal women will get it and about a third of these will die from it--the effect of HRT on CHD is of great public health importance. AIM: To determine the degree of cardioprotection conferred by HRT, including the effect of duration, time since last issue, the addition of progestogens, route of administration, and dose. DESIGN: Population-based case-control study. SETTING: Nine general practices recruited from the Trent Focus Collaborative Research Network. METHOD: A total of 417 female cases with CHD matched by age and practice to 2435 controls with a case-control ratio of 1:5.8 were studied. The main outcome measure was the odds ratio for CHD calculated by conditional logistic regression adjusted for diabetes, hypertension, body mass index, and smoking. RESULTS: No evidence was found, either from univariate analysis or multivariate analysis, that use of HRT was associated with reduced risk of CHD (odds ratio = 1.32; 95% confidence interval = 0.93 to 1.87). Indeed, the trend was in the opposite direction. There was no association for different types of HRT (opposed or unopposed) or routes of administration. Similarly, there was no association for current or past use and no effect for dose or duration. CONCLUSION: This study adds to growing evidence that HRT does not confer cardioprotection. Until there is robust evidence to the contrary, general physicians need to assess risks and benefits of HRT independently of any possible reduction in risk of CHD.

Administration, Oral↗
PubMed2002

Married couples' risk of same disease: cross sectional study.

OBJECTIVE: To determine whether people whose marital partners have depression, diabetes, hypertension, ischaemic heart disease, stroke, hyperlipidaemia, peptic ulcer disease, or asthma or chronic obstructive pulmonary disease are at increased risk of the same disease. DESIGN: Cross sectional study. SETTING: 10 practices from the Trent Focus Collaborative Research Practice Network. PARTICIPANTS: 8386 married couples (16 772 individuals) from a population of 29 014 participants aged 30-74 years. OUTCOMES: Risk of disease in participants whose marital partner had that disease compared with those whose partner did not. RESULTS: After both partners' age, smoking, and obesity and which general practice they attend were adjusted for, participants whose marital partner had asthma, depression, hypertension, hyperlipidaemia, and peptic ulcer disease were at increased risk of having the same disease. The adjusted odds ratios were 1.69 (95% confidence interval 1.43 to 2.98) for asthma, 2.08 (1.71 to 2.54) for depression, 1.32 (1.04 to 1.67) for hypertension, 1.44 (1.19 to 1.75) for hyperlipidaemia, and 2.01 (1.48 to 2.73) for peptic ulcer disease. CONCLUSION: Partners of people with specific diseases are at increased risk of the disease themselves-at least 70% increased risk for asthma, depression, and peptic ulcer disease. This implicates shared environmental causes in some diseases in addition to any genetic or distant exposure or shared behaviours with respect to seeking health care.

Adult↗