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From the viewpoint of the high frequency of mild hypothermia in patients with senile dementia, we investigated causative factors in comparison with accidental hypothermia. We also investigated the relationship between hypothermia and the type or grade of dementia. A total of 127 demented cases including 30 males and 97 females, whose mean age was 80.6 +/- 8.9 years, were classified into 3 groups according to the axillary temperature measured in August 1989. Group A consisted of 33 cases whose body temperature was below 36 degrees C on more than 25 days. Group C consisted of 24 cases whose body temperature was above 36 degrees C on more than 25 days, and the remaining 70 cases were classified as group B. The frequency of group A classification in demented patients was higher than age-matched non-demented controls (26% vs 13%, p less than 0.05). In demented males, serum total cholesterol, serum albumin, and hemoglobin were significantly higher in group A than in group B or C. Body weight and serum triglyceride were also higher in group A, but not significantly. In demented females, serum albumin and hemoglobin were higher in groups A and B than group C. In addition, cases with diabetes mellitus or cases receiving with major tranquilizers were more frequent in group A, and the index of activities of daily living was higher in group A, in both sexes. Factors such as age, CRP or thyroid hormone (free T3, free T4) showed no significant difference among the 3 groups.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Mild hypothermia in patients with senile dementia]. 156 Jun 9

A retrospective analysis was performed on the transient and steady-state pattern electroretinograms recorded from 42 patients with glaucoma, 13 patients with senile dementia of the Alzheimer's type, 58 patients with diabetes mellitus, and 92 control subjects to evaluate the pattern of electroretinographic changes associated with retinal and optic nerve disease. The amplitudes of both the initial positive component (N1 to P1) and the subsequent negative component (P1 to N2) of the transient (4 rps) responses were measured. From these measurements the (P1 to N2)/(N1 to P1) was derived. The N1 to P1 amplitude of the steady-state pattern electroretinogram also was measured. In the glaucoma patients all three amplitude measures, as well as the amplitude ratio of the components of the transient response, were reduced significantly compared with age-matched controls (p less than 0.05). A similar pattern was detected in the patients with Alzheimer's disease, but in this case the only statistically significant amplitude reduction was in the steady-state pattern electroretinogram. A different pattern was observed among the diabetic patients (both with and without retinopathy). Only minor reductions in the amplitude of the transient pattern electroretinogram, which were not statistically significant, were noted. In addition, the ratio of the amplitudes of the components of the transient response did not differ from age-matched controls. The amplitude of the steady-state pattern electroretinogram was reduced in diabetics, but this was significant only for those patients with retinopathy (p less than 0.01). These findings support the suggestion that an analysis of both the positive and negative components of the pattern electroretinogram may be useful for differentiating the contributions of retinal and optic nerve dysfunction to visual impairment. The results also indicate that in both retinal and optic nerve disease the steady-state pattern electroretinogram can be an earlier sign of dysfunction than the transient pattern electroretinogram.
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PMID:The pattern electroretinogram in retinal and optic nerve disease. A quantitative comparison of the pattern of visual dysfunction. 176 Sep 71

The primary aim of the study was to evaluate practice differences in reported morbidity in the second and third national morbidity surveys (1970/71, 1981/82) and to discuss their cause. A secondary aim concerned the validation of trends identified from analysis of the data from the total populations in the practices. Altogether 19 practices participated in both surveys. Annual prevalences (that is, the number of patients attending the general practitioner with a condition per 1000 persons at risk) were examined for: all conditions; each of three categories of seriousness of disease; diseases aggregated by chapter of the International classification of diseases; and each of 130 rubrics of the disease classification. Annual prevalence for 'all conditions' was approximately the same for males in both surveys, whereas for females there was an increase. In both sexes, annual prevalence for 'serious conditions' increased slightly and for 'trivial conditions' increased substantially. For 'intermediate conditions', there was a modest decrease in males. In the analysis at ICD chapter level, substantial increases in prevalence occurred in infectious diseases, nervous system diseases, circulatory diseases, genitourinary diseases, musculoskeletal diseases, symptoms, signs and ill-defined conditions, injuries and poisonings. Decreases were found in blood diseases, mental disorders and digestive diseases. Among 130 individual conditions examined, increased annual prevalence was found for mumps, fungal infections, hypothyroidism, diabetes, gout, senile dementia, angina, left heart failure, catarrh, hay fever and asthma, orchitis, acne, osteoarthritis and for some symptoms. Decreases were found for iron deficiency anaemia, anxiety state, refractive errors, haemorrhoids, chronic bronchitis, functional disorders of the stomach, carbuncle and skin infections.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Changes in practice morbidity between the 1970 and 1981 national morbidity surveys. 187 71

A 59-year-old woman with Turner's syndrome developed epilepsy, diabetes mellitus, chronic psychosis, and subsequently pre-senile dementia. This would endorse the view that psychosis in Turner's syndrome arises through brain damage.
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PMID:Chronic psychosis in Turner's syndrome. Case report and a review. 209 57

Calcium deficiency is a constant menace to land-abiding animals, including mammals. Humans enjoying exceptional longevity on earth are especially susceptible to calcium deficiency in old age. Low calcium and vitamin D intake, short solar exposure, decreased intestinal absorption, and falling renal function with insufficient 1,25(OH)2 vitamin D biosynthesis all contribute to calcium deficiency, secondary hyperparathyroidism, bone loss and possibly calcium shift from the bone to soft tissue, and from the extracellular to the intracellular compartment, blunting the sharp concentration gap between these compartments. The consequences of calcium deficiency might thus include not only osteoporosis, but also arteriosclerosis and hypertension due to the increase of calcium in the vascular wall, amyotrophic lateral sclerosis and senile dementia due to calcium deposition in the central nervous system, and a decrease in cellular function, because of blunting of the difference in extracellular-intracellular calcium, leading to diabetes mellitus, immune deficiency and others (Fig. 6).
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PMID:Aging and calcium as an environmental factor. 294 80

An assessment of community nursing in relation to physician care has been made in a Swedish primary care district. The staff was organized in health care teams. A totally integrated, comprehensive care service for everyone in the geographically defined district was made possible, as all members of the team used the same medical records. Visits in district care (district nurse, practical nurse) amounted to more than 50% of the visits to the teams. The visiting pattern in district care was dominated by the young and the old, the ages below 5 years of age making 3.7 visits per year, and the ages above 75 years making 10.0 visits. Health care was an important task among the children, while chronic ulcer of skin, senile dementia and diabetes were the most common diagnoses among the elderly. Every third visit in district care was a home visit. In almost 50% of the visits no appointment had been made in advance, which demonstrates a high accessibility to the district nurse. The distribution of diagnoses presented several social problems. Diagnoses like neuroses, alcoholism, and senile dementia produced many visits by few patients. Compared to physician visits, the district nurse made more home visits, had more visits among the young and the old, and had a different distribution of diagnoses. Regardless of, or despite, their different ways of working, the district nurse and the district physician complemented each other in the team co-operation. Besides her role as a health professional concerned about health care and medical treatment, the district nurse is an important social contact for many individuals living in her district.
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PMID:The district nurse and the district physician in health care teams. An analysis of the content of primary health care. 361 76

A retrospective study of 839 hospital records with various dementia diagnoses showed that 63 cases had a diagnosis of diabetes mellitus as well. None of these were found in the group of patients with senile dementia of Alzheimer type (SDAT). Oral glucose tolerance tests (OGTT) were performed in patients with SDAT, multiinfarct dementia (MID), cerebrovascular disease (CVD), hospitalized control patients (Chosp) and healthy elderly persons (Celd). Fasting blood sugar was significantly lower and the areas under the OGTT curves were significantly smaller in the SDAT group than in the CVD and the Chosp group. SDAT patients had higher insulin levels than Celd during the OGTT and on a statistically significant level 90 min after ingestion of sugar. Our findings suggest that SDAT and diabetes mellitus may not co-exist and that patients with SDAT have decreased blood sugar concentrations and elevated serum insulin levels. It is discussed whether this is an effect of the transmitter deficiencies in SDAT or may serve to explain these deficiencies.
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PMID:Changes in blood glucose and insulin secretion in patients with senile dementia of Alzheimer type. 634 61

Subcortical arteriosclerotic encephalopathy is a chronic vascular dementia with hydrocephalus characterized clinically by: (i) subacute focal neurological deficit; (ii) acute strokes; (iii) dementia; (iv) motor signs and pseudobulbar palsy; (v) hydrocephalus; (vi) persistent hypertension and systemic vascular disease; and (vii) a lengthy course. The pathogenesis is most probably ischaemic change related to subacute hypertensive encephalopathy. The pathological changes include severe central nervous system disease characterized by loss of white matter with gliosis, and arterial and arteriolar sclerosis of small penetrating cerebral blood vessels. The differential diagnosis includes vascular pseudobulbar palsy, multi-infarct dementia and senile dementia (Alzheimer's disease). Treatment includes blood pressure control as well as management of other factors known to affect vascular disease (diabetes mellitus).
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PMID:Subcortical arteriosclerotic encephalopathy (Binswanger's disease). 682 31

We have considered a rather wide-ranging number of genotropic theories of aging, defined as those which specify genomic alterations as the key to the understanding of the mechanisms of senescence. The fifteen ideas we have discussed are listed in Table 1, which divides them, in a rather arbitrary fashion, into two broad classes--those which emphasize modifications in gene structure and those which emphasize modifications in gene expression. It seems probable that no single one of these ideas will emerge as "the" underlying mechanism of aging, but that many of them will prove to have some credence. The aging process most certainly is under highly polygenic controls. In the case of human beings, I have made crude estimates [33] based upon a analysis of the phenotypes of known or suspected alleles at 2,336 genetic loci and the assumption of an upper limit for man of 100,000 informational loci, that anywhere from about 70-7000 genes could in fact be involved. This should not discourage us from pursuing a search for those loci which may be of profound importance to human aging as it ordinarily occurs in most human beings. In my opinion, however, the most pressing short-term need for biomedical gerontologists is to discover biochemical genetic reasons to explain why certain individuals seem especially prone to one or another of the age-related debilities, such as cancer, the various forms of arteriosclerosis, diabetes mellitus, osteoporosis, osteoarthritis, senile cataracts and senile dementia. Therefore, in my view, the future of progress in geriatric medicine is likely to be closely coupled to progress in medical genetics and genetic pathology.
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PMID:Genotropic theories of aging: an overview. 699 62

Evidence is accumulating that most of the degenerative diseases that afflict humanity have their origin in deleterious free radical reactions. These diseases include atherosclerosis, cancer, inflammatory joint disease, asthma, diabetes, senile dementia and degenerative eye disease. The process of biological ageing might also have a free radical basis. Most free radical damage to cells involves oxygen free radicals or, more generally, activated oxygen species (AOS) which include non-radical species such as singlet oxygen and hydrogen peroxide as well as free radicals. The AOS can damage genetic material, cause lipid peroxidation in cell membranes, and inactivate membrane-bound enzymes. Humans are well endowed with antioxidant defences against AOS; these antioxidants, or free radical scavengers, include ascorbic acid (vitamin C), alpha-tocopherol (vitamin E), beta-carotene, coenzyme Q10, enzymes such as catalase and superoxide dismutase, and trace elements including selenium and zinc. The eye is an organ with intense AOS activity, and it requires high levels of antioxidants to protect its unsaturated fatty acids. The human species is not genetically adapted to survive past middle age, and it appears that antioxidant supplementation of our diet is needed to ensure a more healthy elderly population.
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PMID:The role of free radicals in disease. 761 52


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