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A clinicopathological study of senile dementia of Alzheimer's type (SDAT) accompanied by the white matter lesions of Binswanger's type was carried out. Fifty-seven patients, who were diagnosed as suffering from SDAT based on clinical and pathological criteria, were classified into two groups based on the white matter lesions of Binswanger's type. Namely, group 1 consisted of the SDAT patients without any subcortical or white matter lesions (30 cases); group 2 consisted of those with white matter lesions of Binswanger's type (11 cases). The other 9 cases included those with vascular lesions and 4 with some of the same pathological changes found in Parkinson's disease. Clinically, group 2 patients showed subcortical symptoms such as urinary incontinence, Parkinsonian gait, being accompanied by hypertension and arrhythmias. Periventricular lucency (CT) were common in group 2. Macroscopically, both groups showed moderately to severe atrophy, and the width of the corpus callosum of group 2 was narrower than that of group 1. There was no difference in cerebral arteriosclerosis between the groups. In microscopic findings, patients in group 2 showed diffuse distribution of cortical changes such as senile plaques as well as Alzheimer's senile plaques as well as Alzheimer's neurofibrillary tangles while those in group 1 showed various types of diffuse or local distribution. Arteriolosclerosis of the white matter were found in both groups. There was no difference in aortic atherosclerosis and/or heart disease. The complication of white matter lesions of Binswanger's type was not a rare finding in SDAT.
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PMID:[A clinicopathological study of senile dementia of Alzheimer's type (SDAT) and white matter lesions of Binswanger's type]. 820 74

The key areas of scientific research in general internal medicine are (1) prevention; (2) the natural history of common illnesses; (3) improving the outcomes and efficiency of the health care system and (4) orphan diseases. Disease prevention is at the top of the list because of the enormous role preventable causes play in morbidity and mortality, above all tobacco. Research in this field is difficult because it touches such questions as individual behaviour and personal choice. Research in the natural history of common illnesses is critical to informed patient decision making. Recent studies show that procedures thought to be safe bear a high percentage of complications, when viewed from the generalist's point of view: high incidence of strokes after elective coronary bypass surgery; higher mortality rates among patients having had pulmonary catheterization; high incidence of incontinence and impotence after transurethral resection of the prostate. A third area for research in primary care is how to improve outcome and efficiency through improvements in the health care delivery system. This field touches the problem of unnecessary surgical interventions and inappropriate prescription of antibiotics. Orphan diseases in this context are conditions no speciality wants to study, such as dementia and low back pain. The most important obstacle for research in the field of general internal medicine is funding. It is much easier to be funded for research in high profile conditions, like heart disease, cancer and AIDS. A second barrier to research relates to the role of special interest groups in influencing not only funding but also policy. Important examples were the pressure on consensus conference decisions on the role of spinal fusion surgery for low back pain and on the question whether women between 40 and 50 should have annual mammography. For generalist research to be fruitful it is of outmost importance to have an adequate intellectual infrastructure, i.e. support by epidemiologists, biostatisticians, economists and research methodologists.
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PMID:Scientific evidence and research in primary care. 954 Jan 37

Physical disorders and pharmacotherapy for all 134 people with mental retardation ages 65 years and over living in Leicestershire, United Kingdom, were examined. Results were compared with a randomly selected group of 73 younger adults with mental retardation. Group comparisons revealed higher rates of urinary incontinence, immobility, hearing impairments, arthritis, hypertension, and cerebrovascular disease among the older group. The younger group had higher rates of dermatological disorders; congenital heart disease; ear, nose, and throat (ENT) disorders; and neurological disorders (excluding Parkinson disease). The older group took more drugs for physical illness. The effect of ageing on physical morbidity outweighs the effect of people with more severe mental retardation dying younger: Older people with mental retardation have significant physical health needs.
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PMID:Clinical study of the effects of age on the physical health of adults with mental retardation. 960 67

Hormone replacement therapy (HRT) has been proposed for the prevention and treatment of many chronic conditions, ranging from osteoporosis, heart disease, urinary incontinence, and Alzheimer's disease. With the exception of osteoporosis, however, many of the suggested benefits remain controversial. Part of the controversy stems from the relative absence of randomized controlled trials, particularly those enrolling sufficient numbers of elderly women. We propose that another factor may also contribute, one that has been overlooked - failure to consider the variable endogenous estrogen status of elderly women. Highly variable levels of estrogens are present in nearly all postmenopausal women, even at advanced ages. Similar to other endocrine systems, estrogen deficiency and the need for its replacement are, therefore, likely to be relative rather than absolute. Recent studies indicate that elderly women who are less able to compensate for declining ovarian 17beta-estradiol production by adipose synthesis of estrone (E1) may be at greater risk for certain chronic conditions associated with relative estrogen deficiency. Because many markers of estrogen deficiency exhibit overlap between risk groups, their clinical usefulness as predictors of frailty, disability, and response to HRT has been limited. Future studies will need to focus not only on the use of highly variable circulating serum estrogen levels but also on markers of overall estrogenic effects at the level of individual target tissues (i.e., markers of bone turnover, karyopyknotic index on a vaginal wall smear). We propose that a clinical approach that takes into consideration the remarkable heterogeneity (physiological as well as psychological) of elderly women will enable us to approach the decision about HRT in a more individualized and possibly better targeted fashion.
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PMID:Can variability in the hormonal status of elderly women assist in the decision to administer estrogens? 1126 96

The potential for good health is largely dependent on the prevention and reduction of early onset of fatal disease and death. The male population, in particular, is at risk from early onset of fatal disease and death. Prevention strategies must be developed in order to reduce the risk factors leading to the currently most common causes of death (heart disease, cancer, accidents). Due to the increase in life expectancy, however, other illnesses generally affecting the elderly population (osteoporosis, dementia, cancer, heart attack, incontinence etc.) are gaining in significance. The above average reduction in life expectancy in men can be counteracted particularly through preventative measures and the active promotion of good health. In particular risk factors, such as, smoking, overweight, high blood pressure and metabolic disease, are responsible for the high mortality rate in men. New research areas must be defined for the male population, which particularLy focus on the ageing male. In the field of age related illness, gender specific investigations are definitely required. The main focus has to be on therapy and prevention of those diseases and their subsequent debilitating effects, that commonly effect the elderly. Particularly with men there is still a deficit of information with regards the role of hormones and their relationship with andropause and ageing.
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PMID:[Social medicine aspects of the aging man]. 1181 49

The debate surrounding postmenopausal hormone replacement therapy (HRT) has become more contentious in the past decade. The relationship between HRT and venous thrombotic events has been confirmed, although the absolute risk is small. Evidence of a relationship between breast cancer and HRT is stronger. Randomized controlled trials reveal an association with cardiovascular events in women with known heart disease, a possibly diminished overall quality of life due to HRT, and worsening of urinary incontinence. There is also some evidence associating HRT with ovarian cancer. However, longitudinal studies continue to demonstrate over the long term that HRT use is associated with fewer cardiovascular events and a reduced risk of developing dementia. Future studies may show that a lower daily dose of HRT can reduce the risks while still providing benefit.
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PMID:Medical issues and hormone replacement therapy. 1221 10

Obesity is a progressive disease of unwanted fat accumulation which has multiple, organ-specific pathological consequences. The manifestations of obesity occur within virtually every subspecialty of medicine or surgery and they interact importantly to accelerate the ageing process in many organs. Many of the hazards of obesity have multiple causes (e.g., diabetes, heart disease, stroke, colonic and breast cancer, urinary incontinence, tiredness, back pain, breathlessness). All of these conditions become more prevalent with age and are also more prevalent among overweight persons, particularly those with a central fat distribution marked by a high waist circumference. Hypertension may be caused or aggravated by weight gain. It is mediated by the physical demands of an expanded circulating volume and increased metabolic rate by metabolic mechanisms related to central fat distribution and the "metabolic syndrome", and to increased sodium consumption by overweight people (because they need more food to maintain a higher metabolic rate). Since body mass index (BMI) and waist circumference increase significantly with age there is an escalation of the burden of ill health from obesity with age. The best simple indicator of disease risk with obesity is the waist circumference since this identifies people who have a high body fat content and also those who have an increased intraabdominal accumulation of fat. The quantitative burden of ill health from overweight and obesity varies within different specialties, but up to 80% of type 2 diabetes or polycystic ovarian syndrome can be attributed to obesity. Obesity is the cause of sleep apnea syndrome in around 50% of cases and heart disease in perhaps 10-20% of cases. In Scotland 80% of people with existing cardiovascular disease are overweight compared with 57% of the general population. The financial burden to health services from overweight and obesity has been incompletely assessed, although it is estimated that around 4% of total health care budgets are attributable to people having BMI > 25 kg/m(2). This is similar to the entire cost of diabetes, epilepsy or major cancers. Obesity is therefore an extremely expensive disease based on these conservative estimates from limited evaluations. More general assessments show how obesity increases the amount of time taken off work, the number of drugs prescribed and the expenditure from social services support. Thus, obesity represents a huge burden not only on the individual patient physically, psychologically, socially and financially but also on families and careers and is a huge drain on health care resources. Overweight affects well over half of all adults worldwide, progressing to BMI > 30 kg/m(2) in around 20% outside subsistence rural communities. Its rapidly increasing prevalence now described as an epidemic demands major preventive measures, as well as better medical treatment for individuals affected.
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PMID:Obesity: burdens of illness and strategies for prevention or management. 1284 36

Vascular parkinsonism has not been well defined and the clinical correlation of vascular parkinsonism is still not clear. The aim of the study was to estimate prevalence of occurrence of vascular parkinsonism, analysis of risk factors leading to its development and to identify clinical features that suggest a vascular origin. 214 patients with Parkinson's disease were examined. Their ages ranged from 37 to 88 years (median 66.4 years). Evidence of vascular parkinsonism was assessed using a vascular rating scale previously described by Winikates and Jankovic. Statistical analysis was performed with Mann-Whitney U test, chi 2 Pearson test, chi 2 Yates test, Spearman rank correlation and Student's t test. Out of 214 patients 8 were proved to have developed Parkinson's disease due to vascular disease, what gave 3.74%. Out of risk factors for stroke 5 patients had hypertension, 3 had diabetes mellitus, 2 suffered from heart disease, 2 had infarctus myocardii, 1 had hyperlipidemia, 1 had atrial fibrillation. Additionally, those patients had neuroimaging (CT or MRI) evidence of vascular disease in one or more vascular territories. Patients with vascular parkinsonism were older, had shorter duration of disease, were more likely to present rigidity rather than tremor. Dementia and incontinence were more common in vascular group than in Parkinson's disease group. Patients with vascular parkinsonism were also significantly more likely to have corticospinal findings. Proving that Parkinson's disease had vascular etiology is extremely difficult. The test results are inconclusive.
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PMID:[Clinical correlation of vascular parkinsonism]. 1509 42

Quality of life is an important indicator in assessing the burden of disease, especially for chronic conditions. The Health Utilities Index (HUI) is a recently developed system for measuring the overall health status and health-related quality of life (HRQL) of individuals, clinical groups, and general populations. Using the HUI (constructed based on eight attributes: vision, hearing, speech, mobility, dexterity, cognition, emotion, and pain/discomfort) to measure the HRQL for chronic disease patients and to detect possible associations between HUI system and various chronic conditions, this study provides information to improve the management of chronic diseases. This study is of interest to data analysts, policy makers, and public health practitioners involved in descriptive clinical studies, clinical trials, program evaluation, population health planning, and assessments. Based on the Canadian Community Health Survey (CCHS) for 2000-01, the HUI was used to measure the quality of life for individuals living with various chronic conditions (Alzheimer/other dementia, effects of stroke, urinary incontinence, arthritis/rheumatism, bowel disorder, cataracts, back problems, stomach/intestinal ulcers, emphysema/COPD, chronic bronchitis, epilepsy, heart disease, diabetes, migraine headaches, glaucoma, asthma, fibromyalgia, cancers, high blood pressure, multiple sclerosis, thyroid condition, and other remaining chronic diseases). Logistic Regression Model was employed to estimate the associations between the overall HUI scores and various chronic conditions. The HUI scores ranged from 0.00 (corresponding to a state close to death) to 1.00 (corresponding to perfect health); negative scores reflect health states considered worse than death. The mean HUI score by sex and age group indicated the typical quality of life for persons with various chronic conditions. Logistic Regression results showed a strong relationship between low HUI scores (< or = 0.5 and 0.06-1.0) and certain chronic conditions. Age- and sex-adjusted Odds Ratio (OR) and p values showed an effect among individuals diagnosed with each chronic disease on the overall HUI score. Results of this study showed that arthritis/rheumatism, heart disease, high blood pressure, cataracts, and diabetes had a severe impact on HRQL. Urinary incontinence, Alzheimer/other dementia, effects of stroke, cancers, thyroid condition, and back problems have a moderate impact. Food allergy, allergy other than food, asthma, migraine headaches, and other remaining chronic diseases have a relatively mild effect. It is concluded that major chronic diseases with significant health burden were associated with poor HRQL. The HUI scores facilitate the measurement and interpretation of results of health burden and the HRQL for individuals with chronic diseases and can be useful for development of strategies for the prevention and control of chronic diseases.
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PMID:Using Health Utility Index (HUI) for measuring the impact on health-related quality of Life (HRQL) among individuals with chronic diseases. 1534 14

Pathologically, Binswanger's disease is subcortical periventricular leucoencephalopathy sparing the U fibers. Clinically it is characterised by executive dysfunction, gait problems, urinary incontinence, pseudobulbar palsy, mood disturbances and dementia. The pathomechanism of Binswanger's disease is unclear. It is hypothesized that it results from an ischemic-hypoxic injury of the periventricular white matter, which, in turn, can be caused by a sclerotic elongation of the medullary arteries, widening of the perivascular spaces or decreased brain perfusion due to hypotension or heart disease. The symptoms of Binswanger's disease frequently overlap with those of normal pressure hydrocephalus, vascular parkinsonism and Alzheimer's disease. A diagnostic criterion of Binswanger's disease is radiologically demonstrated leukoaraiosis, which, on the other hand, is not equivalent with Binswanger's disease. A good clinical response after lumbar puncture or shunt implantation might lead to confusion with normal pressure hydrocephalus, which further complicates the clinical diagnosis. It is likely that among the above mentioned disorders there are a number of transitional forms and overlaps, which might be explained by the common pathomechanism of disturbance in cerebrospinal fluid circulation.
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PMID:[Clinico-pathology and differential diagnosis of Binswanger's disease]. 1588 11


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