Session 4 - Pregnancy Outcome.
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Journal Article↗
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Antimicrobial resistance in Haemophilus influenzae from England and Scotland in 1991.
Twenty-two laboratories in England and Scotland sent 2212 clinical isolates of Haemophilus influenzae to The London Hospital Medical College (LHMC) between 1 January and 31 March 1991. After confirmation of identity, the prevalence of resistance was determined and compared with results from previous similar surveys. beta-Lactamase was produced by 8.3% of non-capsulate isolates and 21% of 52 type b isolates; both figures were higher than the 6% and 18% figures recorded, respectively, in 1986. There was an increase in the prevalence of non-beta-lactamase-mediated diminished susceptibility to ampicillin (5.8%) and co-amoxiclav (6.1%) compared with 1986 (4%). Whereas fewer H. influenzae isolates were resistant to tetracycline (1.4%) or chloramphenicol (0.8%), there was an increase in resistance to trimethoprim (6.8%) and to sulphamethoxazole (16.9%) compared with 1986 (4.2% and 3.5% respectively). In addition, 95 isolates (4.3%) were resistant to both of these anti-folate antimicrobials. Six isolates (one type b from CSF) were resistant to all drugs tested, except for co-amoxiclav. Overall, the results demonstrated that changes have occurred in the last decade in England and Scotland, such that H. influenzae isolates are increasingly likely to be resistant to ampicillin, co-amoxiclav and co-trimoxazole.
Chloramphenicol Resistance↗
Writers to the Signet: estimates of adult mortality in Scotland from the sixteenth to the nineteenth century.
Using a methodology previously applied to advocates, this article looks at the adult life expectancy of another group of Scottish lawyers, Writers to the Signet (WS). The mortality of WS fell decisively in the early eighteenth century. The social origins and living conditions of the WS are discussed and two conclusions drawn. First, improvements in mortality were not related to any significant change in hygiene, housing, or diet. Secondly, the lifestyle of WS probably typified that of Scotland's middling ranks and their demographic experience was likely to have been representative of the population at large. Comparisons are drawn with English and Continental data and the implications for understanding the course of population change in eighteenth-century Scotland are considered.
Health Status↗
'Searching for Mary, Glasgow': contact tracing for sexually transmitted diseases in twentieth-century Scotland.
Social historians of medicine and sexuality have focused in recent years upon various strands of public health policy towards sexually transmitted diseases. However, despite the fact that, from the 1930s, contact tracing became one of the primary weapons with which British government sought to contain the incidence of STDs, its history in twentieth-century Britain has been largely ignored. Based on a range of governmental and private archives, supplemented by interviews with former practitioners, this paper examines the development of contact tracing in Scotland from its origins in the interwar period, through its expansion under Defence Regulation 33B during the period 1942-7, to its postwar development within the National Health Service. Particular attention is paid to the discriminatory aspects of wartime controls and to the professional, resource, and legal constraints shaping contact tracing in postwar Scotland.
Disease Transmission, Infectious↗
The association of hepatitis C viral infection with porphyria cutanea tarda in the Lothian region of Scotland.
Porphyria cutanea tarda (PCT) is believed to be associated with reduced hepatic uroporphyrinogen decarboxylase activity and risk factors such as alcohol abuse and medication with oral contraceptives and certain other drugs. Recently it has been suggested that hepatitis C virus (HCV) infection may also be associated with PCT. We have therefore reviewed the prevalence of HCV infection in a series of patients with PCT in the Lothian region of Scotland. We identified 12 patients with PCT, all of whom had abnormal liver function tests. Liver histology revealed chronic active hepatitis in six patients, micronodular cirrhosis in four patients, hepatocellular carcinoma in one patient and normal findings in one HIV positive patient. Out of 12 patients tested, 11 were positive for anti-HCV antibodies by second generation enzyme linked immunosorbent assay (ELISA 2), and by recombinant immunoblot assay (RIBA 2); positive serology was confirmed by polymerase chain reaction (PCR). In a second group of 14 patients with chronic HCV infection matched for age and sex with the PCT patients, all had normal urinary uroporphyrin excretion. We have thus confirmed in Scotland early reports from Spain and Italy that PCT is strongly associated with HCV infection. This could explain the development of inflammatory changes in the liver and progression of liver disease in patients with PCT. Porphyrin metabolism, however, appears normal in patients with chronic HCV infection without PCT.
Adult↗
Antibiotic susceptibilities of Haemophilus influenzae in central Scotland.
OBJECTIVE: To ascertain the incidence of antibiotic resistance in Haemophilus influenzae in central Scotland and the beta-lactamases produced by these isolates. METHODS: A total of 213 H. influenzae isolates from four medical centers in Scotland [Aberdeen (n=58), Edinburgh (n=55), Glasgow (n=64) and Dundee (n=36)] were tested for susceptibility to a range of antimicrobials including beta-lactams, beta-lactam/beta-lactamase-inhibitor combinations, and a representative 4-quinolone, antifolate and macrolide. Susceptibility testing of the beta-lactam/beta-lactamase-inhibitor combination amoxicillin plus clavulanic acid was conducted at both 2:1 and 4:1 ratios and with clavulanic acid fixed at a concentration of 2 mg/L. Each strain was further investigated for the presence of beta-lactamase activity. RESULTS: Although the incidence of resistance to amoxicillin was 15%, in the presence of clavulanic acid, this resistance was reduced to 4.2%, 5.6% and 4.2% with the 2:1 ratio, 4:1 ratio and 2 mg/L fixed concentration, respectively. Sixteen percent of the isolates demonstrated immediate beta-lactamase production. Isoelectric focusing showed that 77.4%, 16.1% and 6.5% of the beta-lactamase-positive strains were found to contain TEM-1, VAT-1 and both TEM-1 and VAT-1 beta-lactamases, respectively. A further 29% of the strains were recognized as being beta-lactamase-positive after prolonged incubation with nitrocephin. CONCLUSIONS: This study suggests that current testing for beta-lactamases may underestimate the prevalence of beta-lactamase production in H. influenzae.
Journal Article↗
Ophthalmic and visual profile of guide dog owners in Scotland.
BACKGROUND/AIMS: Out of an estimated 90,000 visually impaired people in Scotland, 509 make use of a guide dog. Initial research in Northern Ireland suggests that the ophthalmic profile of guide dog owners (GDOs) is highly specific. The aim of this study was to compare the ophthalmic and visual characteristics of Scottish GDOs with other groups of visually impaired people. METHODS: A random sample of GDOs from central and northern Scotland (n = 82) underwent a detailed assessment of residual vision (distance and near acuity, visual fields, contrast, and glare sensitivity). Comparative data were obtained from two populations of visually impaired non-GDOs-one group attending hospital ophthalmic and low vision clinics (n = 50) the other social services rehabilitation clients (n = 35). All participants completed a questionnaire to elicit ophthalmic history, age, and registration details. RESULTS: GDOs were found to be significantly younger and more profoundly visually impaired than non-GDOs. The main causes of visual impairment were retinitis pigmentosa (23%), optic atrophy (15%), and retinopathy of prematurity (7%). Ninety nine per cent of GDOs were registered blind and had been visually impaired for an average of 39 years. Only 31% were totally blind. CONCLUSION: GDOs represent a unique minority of the visually impaired population. Epidemiological registration trends would suggest that the numbers of young profoundly visually impaired people are unlikely to increase relative to their elderly counterparts. This has implications on the future demand for guide dog ownership.
Adult↗
The development of integrated health care models in Scotland.
Integrated health care is a key policy aim of Scotland's newly devolved government. 'Partnership working' is the mechanism that has been selected to achieve this goal. Three illustrative examples of health care integration models developed in Scotland are considered; system organisation and structure; Local Health Care Co-operatives (LHCCs); and Managed Clinical Networks. Using these examples the paper explores the nature of 'partnership' and asks if it can deliver integrated care.
Journal Article↗
Progress in the development of integrated mental health care in Scotland.
The development of integrated care through the promotion of 'partnership working' is a key policy objective of the Scottish Executive, the administration responsible for health services in Scotland. This paper considers the extent to which this goal is being achieved in mental health services, particularly those for people with severe and enduring mental illness. Distinguishing between the horizontal and vertical integration of services, exploratory research was conducted to assess progress towards this objective by examining how far a range of functional activities in Primary Care Trusts (PCTs) and their constituent Local Health Care Co-operatives (LHCCs) were themselves becoming increasingly integrated. All PCTs in Scotland were surveyed by postal questionnaire, and followed up by detailed telephone interviews. Six LHCC areas were selected for detailed case study analysis. A Reference Group was used to discuss and review emerging themes from the fieldwork. The report suggests that faster progress is being made in the horizontal integration of services between health and social care organisations than is the case for vertical integration between primary health care and specialist mental health care services; and that there are significant gaps in the extent to which functional activities within Trusts are changing to support the development of integrated care. A number of models are briefly considered, including the idea of 'intermediate care' that might speed the process of integration.
Journal Article↗
Highlights from the 13th European Congress of Clinical Microbiology and Infectious Diseases in Glasgow, Scotland, May 10-13, 2003. The complex world of infectious diseases.
At the 13th European Congress of Clinical Microbiology and Infectious Diseases, held in Glasgow, Scotland, May 10-13, 2003, the latest developments in clinical microbiology and the treatment of infectious diseases were presented alongside recent progress on molecular aspects of diagnosis and emerging patterns of infection. Around 5,000 delegates from more than 80 countries attended the congress, which saw the presentation of more than 400 oral communications and 1,700 posters. In addition to a historical session looking at Scotland's own contribution to the control of infectious diseases, the meeting involved up to six parallel sessions a day, looking at all the major aspects of infectious diseases, treatment, surveillance, epidemiology and drug pharmacodynamics and pharmacokinetics. The organizers also organized a Late Breaker symposium on severe acute respiratory syndrome. The topics likely to be of most interest to Drug News and Perspectives readers are described here.
Anti-Bacterial Agents↗
Prevention of poultry-borne salmonellosis by irradiation: costs and benefits in Scotland.
Poultry-borne salmonellosis is the most common foodborne infection in Scotland for which the vehicle can be identified. The cost of the disease to society in terms of health service use, absence from work, morbidity, and mortality is substantial. The study estimates the total cost of poultry-borne salmonellosis in Scotland and compares it with the cost of a single preventive measure: the irradiation of poultry meat. The results suggest that the public health benefits exceed irradiation costs. This conclusion is, however, sensitive to assumptions made in the analysis, particularly those related to the cost of unreported cases of salmonellosis.
Animals↗
Lymphoma presenting as a parotid tumour: a population-based study of diagnosis, treatment and outcome on behalf of the Scotland and Newcastle Lymphoma Group.
AIMS: Lymphoma presenting as a parotid tumour is rare. Previous published studies have been small and have not characterised fully the nature of lymphoma presenting this way. We studied the clinical features, diagnosis, prognosis and treatment in a patient group identified from the Scotland and Newcastle Lymphoma Registry, which is a prospectively collected population-based register of consecutive cases of lymphoma since 1979. MATERIALS AND METHODS: The study includes all patients with a biopsy-proven lymphoma in the parotid gland as the first presentation of their disease. RESULTS: Of 136 cases identified, 128 had non-Hodgkin's lymphoma (representing 1.5% of the 8499 non-Hodgkin's lymphomas in the registry) and eight had Hodgkin's disease (0.3% of the 2716 cases registered). Female to male ratio was 1.3:1, and median age was 69 years (range 19-94 years). Fifty-six per cent of patients had stage I, 16% had stage II, 11 % had stage III and 17% had stage IV disease. Diagnostic method was recorded in 81 cases; 47 of these were by parotidectomy. Overall median survival was 90 months, with a 5-year survival of 54%, but there was substantial variation according to age, grade, stage and International Prognostic Index (IPI). Diagnosis was often made by unnecessary major facial surgery, which could be avoided in many cases. CONCLUSION: Treatment should be directed by standard practice for lymphoma according to stage and histological classification.
Adult↗
Telomere length, risk of coronary heart disease, and statin treatment in the West of Scotland Primary Prevention Study: a nested case-control study.
BACKGROUND: Inter-individual differences in biological ageing could affect susceptibility to coronary heart disease. Our aim was to determine whether mean leucocyte telomere length is a predictor of the development of coronary heart disease. METHODS: We compared telomere lengths at recruitment in 484 individuals in the West of Scotland Primary Prevention Study (WOSCOPS) who went on to develop coronary heart disease events with those from 1058 matched controls who remained event free. We also investigated whether there was any association between telomere length and observed clinical benefit of statin treatment in WOSCOPS. FINDINGS: Mean telomere length decreased with age by 9% per decade (95% CI 3.6-14.1; p=0.001) in controls; much the same trend was seen in cases (-5.9% per decade, -3.1 to 14.1; p=0.1902). Individuals in the middle and the lowest tertiles of telomere length were more at risk of developing a coronary heart disease event than were individuals in the highest tertile (odds ratio [OR] for coronary heart disease: 1.51, 95% CI 1.15-1.98; p=0.0029 in the middle tertile; 1.44, 1.10-1.90, p=0.0090 in the lowest). In placebo-treated patients, the risk of coronary heart disease was almost double in those in the lower two tertiles of telomere length compared with those in the highest tertile (1.93, 1.33-2.80, p=0.0005 in the middle tertile; 1.94, 1.33-2.84, p=0.0006 in the lowest). By contrast, in patients treated with pravastatin, the increased risk with shorter telomeres was substantially attenuated (1.12, 0.75-1.69, p=0.5755 in the middle tertile; 1.02, 0.68-1.52, p=0.9380 in the lowest). INTERPRETATION: Mean leucocyte telomere length is a predictor of future coronary heart disease events in middle-aged, high-risk men and could identify individuals who would benefit most from statin treatment. Our findings lend support to the hypothesis that differences in biological ageing might contribute to the risk--and variability in age of onset--of coronary heart disease.
Aging↗
PEPTIC ULCER IN SOUTH-WEST SCOTLAND.
A survey is made of the incidence of peptic ulcer in a predominantly rural population in south-west Scotland.
Duodenal Ulcer↗
C-reactive protein is an independent predictor of risk for the development of diabetes in the West of Scotland Coronary Prevention Study.
Accumulating evidence implicates inflammation as a potential pathway in the pathogenesis of type 2 diabetes. The objective of the present study was to assess the ability of C-reactive protein (CRP) to predict the development of diabetes in middle-aged men in the West of Scotland Coronary Prevention Study. Baseline plasma samples for CRP measurement were available for 5,245 men of whom 127 were classified as having a transition from normal glucose control to overt diabetes during the study, based on American Diabetes Association criteria. Baseline CRP was an important predictor of the development of diabetes in univariate analysis (hazard ratio [HR] for an increase of 1 SD = 1.55; 95% CI 1.32-1.82; P < 0.0001). In multivariate analysis, CRP remained a predictor of diabetes development (HR 1.30; 95% CI 1.07-1.58; P = 0.0075) independent of other clinically employed predictors, including baseline BMI and fasting triglyceride and glucose concentrations. Moreover, there was a graded increase in risk across CRP quintiles throughout the study, evident at even 1 year of follow-up. The highest quintile (CRP >4.18 mg/l) was associated with a greater than threefold risk of developing diabetes (HR 3.07; 95% CI 1.33-7.10) in a multivariate analysis at 5 years. Thus, CRP predicts the development of type 2 diabetes in middle-aged men independently of established risk factors. Because CRP, the most commonly used acute-phase protein in clinical practice, is very stable in serum, our observations have clinical potential in helping to better predict individuals destined to develop type 2 diabetes. They also add to the notion that low-grade inflammation is important in the pathogenesis of type 2 diabetes.
Acute-Phase Reaction↗
Elevated alanine aminotransferase predicts new-onset type 2 diabetes independently of classical risk factors, metabolic syndrome, and C-reactive protein in the west of Scotland coronary prevention study.
We examined the association of serum alanine aminotransferase (ALT) with features of the metabolic syndrome and whether it predicted incident diabetes independently of routinely measured factors in 5,974 men in the West of Scotland Coronary Prevention Study. A total of 139 men developed new diabetes over 4.9 years of follow-up. ALT, but not aspartate aminotransferase, levels increased progressively with the increasing number of metabolic syndrome abnormalities from (means +/- SD) 20.9 +/- 7.6 units/l in those with none to 28.1 +/- 10.1 units/l in those with four or more (P < 0.001). In a univariate analysis, men with ALT in the top quartile (ALT >/=29 units/l) had an elevated risk for diabetes (hazard ratio 3.38 [95% CI 1.99-5.73]) versus those in the bottom quartile (<17 units/l). ALT remained a predictor with adjustment for age, BMI, triglycerides, HDL cholesterol, systolic blood pressure, glucose, and alcohol intake (2.04 [1.16-3.58] for the fourth versus first quartile). In stepwise regression, incorporating ALT and C-reactive protein (CRP) together with metabolic syndrome criteria, elevated ALT (>/=29 units/l), and CRP (>/=3 mg/l) predicted incident diabetes, but low HDL cholesterol and hypertension did not. Thus, elevated ALT levels within the "normal" range predict incident diabetes. The simplicity of ALT measurement and its availability in routine clinical practice suggest that this enzyme activity could be included in future diabetes prediction algorithms.
Alanine Transaminase↗
Adult-onset hereditary ataxia in Scotland.
A systematic search for cases of adult-onset hereditary ataxia was conducted on location in Scotland. The investigation resulted in the discovery of eight pedigrees with 42 patients of whom 16 were alive in 1975. Nine patients were examined by the authors and recent hospital records were available on the remaining seven. The clinical features were quite variable. In declining order of frequency, findings were gait and limb ataxia, dysarthria, hyperreflexia, extrapyramidal motor disturbances, impaired vibratory sense, spasticity, defects of extraocular movements and nystagmus, reflex depression, Babinski signs, impaired joint position sense, muscle weakness, optic atrophy, and mental abnormalities. Foot deformity occurred only once. Inheritance was compatible with autosomal dominant transmission, but complicated by consanguinity in two families. The minimum prevalence was calculated as 0.31/100,000. Autopsy in two members in one family revealed olivopontocerebellar degeneration.
Adult↗
Socio-economic status and membership of the British Diabetic Association in Scotland.
Socio-economic status is an important predictor of mortality and morbidity in the diabetic and non-diabetic population. Improving the representation of people from deprived areas in vocal pressure groups may foster practical ideas which would improve health outcome. The general public may be represented through a variety of local and national organizations. The British Diabetic Association (BDA) represents people with diabetes mellitus, their relatives, and their health care professionals. Assuming a uniform diabetes prevalence of 1.5%, there would be 75484 diabetic people in Scotland, of which only 5649 (7.5%) are currently members of the BDA. Using area based codes of socio-economic status, it was calculated that the odds ratios of BDA membership in the most affluent category (1) to the most deprived category (7) were 1.00, 0.81, 0.68, 0.57, 0.45, 0.43 and 0.21, respectively (p < 0.00001). Studies reporting on patient cohorts derived from the BDA membership files will include a higher proportion of patients from the most affluent categories, thus, these studies may underestimate overall morbidity and mortality. By promoting membership in the deprived categories it may be possible to develop a clearer picture of diabetes mellitus and new ideas which would help to narrow the health divide.
Aged↗