Abstract Background Herpes simplex virus (HSV) is thought to play an etiological role in the development of Alzheimer's disease (AD). Methods Plasma samples from 360 AD cases (75.3% women, mean age ...61.2 years) and 360 age- and sex-matched dementia-free controls, taken on average 9.6 years before AD diagnosis, were analyzed for anti-HSV antibodies (immunoglobulin G, IgG, and immunoglobulin M, IgM) by enzyme-linked immunosorbent assays. Results In the complete sample group, the presence of anti-HSV IgG and IgM antibodies did not increase the risk of AD significantly (odds ratio (OR) 1.636, P = .069 and OR 1.368, P = .299, respectively). In cases with 6.6 years or more between plasma sampling and AD diagnosis (n = 270), there was a significant association between presence of anti-HSV IgG antibodies and AD (OR 2.250, P = .019). Conclusion Among persons with a follow-up time of 6.6 years or more, HSV infection was significantly associated with AD.
How acute hyperglycaemia affects memory functions and functional brain responses in individuals with and without type 2 diabetes is unclear. Our aim was to study the association between acute ...hyperglycaemia and working, semantic, and episodic memory in participants with type 2 diabetes compared to a sex- and age-matched control group. We also assessed the effect of hyperglycaemia on working memory-related brain activity. A total of 36 participants with type 2 diabetes and 34 controls (mean age, 66 years) underwent hyperglycaemic clamp or placebo clamp in a blinded and randomised order. Working, episodic, and semantic memory were tested. Overall, the control group had higher working memory (mean z-score 33.15 ± 0.45) than the group with type 2 diabetes (mean z-score 31.8 ± 0.44, p = 0.042) considering both the placebo and hyperglycaemic clamps. Acute hyperglycaemia did not influence episodic, semantic, or working memory performance in either group. Twenty-two of the participants (10 cases, 12 controls, mean age 69 years) were randomly invited to undergo the same clamp procedures to challenge working memory, using 1-, 2-, and 3-back, while monitoring brain activity by blood oxygen level-dependent functional magnetic resonance imaging (fMRI). The participants with type 2 diabetes had reduced working memory during the 1- and 2-back tests. fMRI during placebo clamp revealed increased BOLD signal in the left lateral frontal cortex and the anterior cingulate cortex as a function of working memory load in both groups (3>2>1). During hyperglycaemia, controls showed a similar load-dependent fMRI response, whereas the type 2 diabetes group showed decreased BOLD response from 2- to 3-back. These results suggest that impaired glucose metabolism in the brain affects working memory, possibly by reducing activity in important frontal brain areas in persons with type 2 diabetes.
Celotno besedilo
Dostopno za:
DOBA, IZUM, KILJ, NUK, PILJ, PNG, SAZU, SIK, UILJ, UKNU, UL, UM, UPUK
No studies have estimated disability-adjusted life-years (DALYs) lost due to hip fractures using real-life follow-up cohort data. We aimed to quantify the burden of disease due to incident hip ...fracture using DALYs in prospective cohorts in the CHANCES consortium, and to calculate population attributable fractions based on DALYs for specific risk factors.
We used data from six cohorts of participants aged 50 years or older at recruitment to calculate DALYs. We applied disability weights proposed by the National Osteoporosis Foundation and did a series of sensitivity analyses to examine the robustness of DALY estimates. We calculated population attributable fractions for smoking, body-mass index (BMI), physical activity, alcohol intake, type 2 diabetes and parity, use of hormone replacement therapy, and oral contraceptives in women. We calculated summary risk estimates across cohorts with pooled analysis and random-effects meta-analysis methods.
223 880 men and women were followed up for a mean of 13 years (SD 6). 7724 (3·5%) participants developed an incident hip fracture, of whom 413 (5·3%) died as a result. 5964 DALYs (27 per 1000 individuals) were lost due to hip fractures, 1230 (20·6%) of which were in the group aged 75–79 years. 4150 (69·6%) DALYs were attributed to disability. Current smoking was the risk factor responsible for the greatest hip fracture burden (7·5%, 95% CI 5·2–9·7) followed by physical inactivity (5·5%, 2·1–8·5), history of diabetes (2·8%, 2·1–4·0), and low to average BMI (2·0%, 1·4–2·7), whereas low alcohol consumption (0·01–2·5 g per day) and high BMI had a protective effect.
Hip fracture can lead to a substantial loss of healthy life-years in elderly people. National public health policies should be strengthened to reduce hip fracture incidence and mortality. Primary prevention measures should be strengthened to prevent falls, and reduce smoking and a sedentary lifestyle.
European Community's Seventh Framework Programme.
PILRA (rs1859788 A > G) has been suggested to be a protective variant for Alzheimer's disease (AD) and is an entry co-receptor for herpes simplex virus-1. We conducted a nested case-control study of ...360 1:1-matched AD subjects. Interactions between the PILRA-A allele, APOE risk variants (ε3/ε4 or ε4/ε4) and GM17 for AD risk were modelled. The associations were cross-validated using two independent whole-genome sequencing datasets. We found negative interactions between PILRA-A and GM17 (OR 0.72, 95% CI 0.52-1.00) and between PILRA-A and APOE risk variants (OR 0.56, 95% CI 0.32-0.98) in the discovery dataset. In the replication cohort, a joint effect of PILRA and PILRA × GM 17/17 was observed for the risk of developing AD (p .02). Here, we report a negative effect modification by PILRA on APOE and GM17 high-risk variants for future AD risk in two independent datasets. This highlights the complex genetics of AD.
Background
There is a lack of trustworthy evidence-informed guidelines on the diagnosis and management of acute appendicitis in elderly patients.
Methods
We developed a rapid guideline in accordance ...with GRADE and AGREE II standards. The steering group consisted of general surgeons, members of the EAES Research Committee/Guidelines Subcommittee with expertise and experience in guideline development, advanced medical statistics and evidence synthesis, biostatisticians, and a guideline methodologist. The guideline panel consisted of three general surgeons, an intensive care physician, a geriatrician and a patient advocate. We conducted systematic reviews and the results of evidence synthesis were summarized in evidence tables. Recommendations were authored and published through an online authoring and publication platform (MAGICapp), with the guideline panel making use of an evidence-to-decision framework and a Delphi process to arrive at consensus.
Results
This rapid guideline provides a weak recommendation against the use of clinical scoring systems to replace cross-sectional imaging in the diagnostic approach of suspected appendicitis in elderly patients. It provides a weak recommendation against the use of antibiotics alone over surgical treatment in patients who are deemed fit for surgery, and a weak recommendation for laparoscopic over open surgery. Furthermore, it provides a summary of surgery-associated risks in elderly patients. The guidelines, with recommendations, evidence summaries and decision aids in user-friendly formats can also be accessed in MAGICapp:
https://app.magicapp.org/#/guideline/4494
.
Conclusions
This rapid guideline provides evidence-informed trustworthy recommendations on the diagnosis and management of acute appendicitis in elderly patients.
juthberg c., eriksson s., norberg a. & sundin k. (2010) Perceptions of conscience, stress of conscience and burnout among nursing staff in residential elder care. Journal of Advanced Nursing 66(8), ...1708–1718.
Title. Perceptions of conscience, stress of conscience and burnout among nursing staff in residential elder care.
Aim. This paper is a report of a study of patterns of perceptions of conscience, stress of conscience and burnout in relation to occupational belonging among Registered Nurses and nursing assistants in municipal residential care of older people.
Background. Stress and burnout among healthcare personnel and experiences of ethical difficulties are associated with troubled conscience. In elder care the experience of a troubled conscience seems to be connected to occupational role, but little is known about how Registered Nurses and nursing assistants perceive their conscience, stress of conscience and burnout.
Method. Results of previous analyses of data collected in 2003, where 50 Registered Nurses and 96 nursing assistants completed the Perceptions of Conscience Questionnaire, Stress of Conscience Questionnaire and Maslach Burnout Inventory, led to a request for further analysis. In this study Partial Least Square Regression was used to detect statistical predictive patterns.
Result. Perceptions of conscience and stress of conscience explained 41·9% of the variance in occupational belonging. A statistical predictive pattern for Registered Nurses was stress of conscience in relation to falling short of expectations and demands and to perception of conscience as demanding sensitivity. A statistical predictive pattern for nursing assistants was perceptions that conscience is an authority and an asset in their work. Burnout did not contribute to the explained variance in occupational belonging.
Conclusion. Both occupational groups viewed conscience as an asset and not a burden. Registered Nurses seemed to exhibit sensitivity to expectations and demands and nursing assistants used their conscience as a source of guidance in their work. Structured group supervision with personnel from different occupations is needed so that staff can gain better understanding about their own occupational situation as well as the situation of other occupational groups.
Socio-economic inequalities in mortality are observed at the country level in both North America and Europe. The purpose of this work is to investigate the contribution of specific risk factors to ...social inequalities in cause-specific mortality using a large multi-country cohort of Europeans.
A total of 3,456,689 person/years follow-up of the European Prospective Investigation into Cancer and Nutrition (EPIC) was analysed. Educational level of subjects coming from 9 European countries was recorded as proxy for socio-economic status (SES). Cox proportional hazard model's with a step-wise inclusion of explanatory variables were used to explore the association between SES and mortality; a Relative Index of Inequality (RII) was calculated as measure of relative inequality.
Total mortality among men with the highest education level is reduced by 43% compared to men with the lowest (HR 0.57, 95% C.I. 0.52-0.61); among women by 29% (HR 0.71, 95% C.I. 0.64-0.78). The risk reduction was attenuated by 7% in men and 3% in women by the introduction of smoking and to a lesser extent (2% in men and 3% in women) by introducing body mass index and additional explanatory variables (alcohol consumption, leisure physical activity, fruit and vegetable intake) (3% in men and 5% in women). Social inequalities were highly statistically significant for all causes of death examined in men. In women, social inequalities were less strong, but statistically significant for all causes of death except for cancer-related mortality and injuries.
In this European study, substantial social inequalities in mortality among European men and women which cannot be fully explained away by accounting for known common risk factors for chronic diseases are reported.
Celotno besedilo
Dostopno za:
DOBA, IZUM, KILJ, NUK, PILJ, PNG, SAZU, SIK, UILJ, UKNU, UL, UM, UPUK
Highlights • The association of self-rated health with mortality is confirmed by the large CHANCES study. • Self-rated health is a simple tool that may be used to identify elders at risk of early ...mortality. • Changing factors related to self-rated health is important for the elders to feel and be healthy.
The aim of this Swedish study was to develop the concept of moral sensitivity in health care practice. This process began with an overview of relevant theories and perspectives on ethics with a focus ...on moral sensitivity and related concepts, in order to generate a theoretical framework. The second step was to construct a questionnaire based on this framework by generating a list of items from the theoretical framework. Nine items were finally selected as most appropriate and consistent with the research team’s understanding of the concept of moral sensitivity. The items were worded as assumptions related to patient care. The questionnaire was distributed to two groups of health care personnel on two separate occasions and a total of 278 completed questionnaires were returned. A factor analysis identified three factors: sense of moral burden, moral strength and moral responsibility. These seem to be conceptually interrelated yet indicate that moral sensitivity may involve more dimensions than simply a cognitive capacity, particularly, feelings, sentiments, moral knowledge and skills.
In a population-based prospective study of epileptic seizures in adult s aged > 17 years, we identified 563 patients with possible seizures in a period of 34 months. Seizures were unprovoked in 160 ...patients, an incidence of 56 in 100,000 person-years. There was no difference in incidence between sexes. Age-specific incidences of unprovoked seizures increased sharply in men from age 60 years and in women from age 70 years. The incidence of unprovoked seizures in those aged > 65 years was 139 (men 166, women 116). The cumulative incidence of unprovoked seizures between the ages of 17 and 84 years was 4.6%. The proportion with an identified presumptive cause for unprovoked seizures increased with advancing age. A presumed etiology was identified in 77% of persons aged > 60 years. Stroke was the most common etiology, detected in 30% (incidence 16) and in 45% at ages > 60 years. Tumors were detected in 11% (incidence 6) and Alzheimer's disease was detected in 7% (incidence 4). Eighteen percent of patients were demented. Unprovoked seizures were partial in 68% of cases (incidence 38), and generalized in 16% (incidence 9). Another 13% of patients had generalized seizures, but seizure onset was not witnessed (incidence 7). In 16%, there was a delay of > 1 year from the first unprovoked seizure to initial diagnosis.
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