The decrease in noradrenaline concentration in the posterior tibial artery with age.

abstract：BACKGROUND:Understanding comorbidity prevalence and the effects of comorbidities in older veterans with lower extremity amputations may aid in assessing patient outcomes, resource use, and facility-level quality of care. OBJECTIVES:To determine the degree to which adding outpatient to inpatient administrative data sou...

journal_title：Gerontology

authors： Kurichi JE,Stineman MG,Kwong PL,Bates BE,Reker DM

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVE:To focus on diagnostic and therapeutic problems of pulmonary embolism in the elderly. METHODS:Retrospective analysis of 5 years of clinical, instrumental, and laboratory data (collected at the time of hospital admission) for patients 65 years and older with pulmonary embolism proven by a high-probability sci...

journal_title：Gerontology

authors： Masotti L,Ceccarelli E,Cappelli R,Guerrini M,Forconi S

更新日期：2000-07-01 00:00:00

abstract：:Morphometric measurements have been carried out on the human myenteric esophageal neurons at the ages of 20-40 and more than 70 years. The number of neurons decreases after 70 years of age, which is accompanied by an increase in the sizes of the neurons. In percentage terms the decrease in the number of neurons in the...

journal_title：Gerontology

authors： Meciano Filho J,Carvalho VC,de Souza RR

更新日期：1995-01-01 00:00:00

abstract：:The effect of centrophenixine has been studied on the monovalent electrolyte contents of the brain cortical cells of old female Wistar rats by means of energy dispersive x-ray microanalysis. The drug was administered in form of an intraperitoneal injection of 100 mg/kg body weight for 20 days. The treatment decreased ...

journal_title：Gerontology

authors： Zs-Nagy I,Pieri C,Giuli C,Del Moro M

更新日期：1979-01-01 00:00:00

abstract：:Alteration in lipid peroxidation products such as lipid peroxides, lipid hydroperoxides were studied in different regions of CNS of ageing rats (13, 26, 52, 78 and 104 weeks). The levels of lipid peroxide and lipid hydroperoxide were increased in various regions of brain and spinal cord. However, the activity of super...

journal_title：Gerontology

authors： Gupta A,Hasan M,Chander R,Kapoor NK

更新日期：1991-01-01 00:00:00

abstract：:Different approaches using cell culture techniques to study the biology of aging are critically described. Most of the studies concerned the relationship between cell division potential and aging. The growth potential of cells is fundamental for aging of the organism, since it relates to phenomena such as the regenera...

journal_title：Gerontology

authors： Macieira-Coelho A

更新日期：2000-03-01 00:00:00

abstract：BACKGROUND:The results of the very few histochemical studies that have been performed so far on the lectin-binding profile of normal human epidermis are mostly controversial; thus, the carbohydrate residue composition of the cell surface in the latter still remains in dispute and the possible alterations in the epiderm...

journal_title：Gerontology

authors： Georgiou S,Pasmatzi E,Monastirli A,Sakkis T,Alachioti S,Tsambaos D

更新日期：2005-05-01 00:00:00

abstract：:Various parameters of copulatory behavior were examined in intact and castrated testosterone-(T-)treated male rats of various ages ranging from 3 to 27 months. Serum T levels were controlled by subcutaneous implantation of different sizes of T-filled Silastic capsules at the time of castration. In intact male rats, sc...

journal_title：Gerontology

authors： Hsu HK,Hsu C,Yu JY,Peng MT

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:Recent studies have shown that vitamin D status may be relevant for physical and cognitive performance in the older population. This association may be of particular interest to older people at risk for cognitive impairment and functional decline. OBJECTIVE:The aim of this study was to determine the associa...

journal_title：Gerontology

authors： Gschwind YJ,Bischoff-Ferrari HA,Bridenbaugh SA,Härdi I,Kressig RW

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVE:To determine the prevalence of cardiopulmonary resuscitation (CPR) and do-not-attempt-resuscitation (DNAR) orders, to define factors associated with CPR/DNAR orders and to explore how physicians make and document these decisions. METHODS:We prospectively reviewed CPR/DNAR forms of 1,446 patients admitted to ...

journal_title：Gerontology

authors： Becerra M,Hurst SA,Junod Perron N,Cochet S,Elger BS

更新日期：2011-01-01 00:00:00

abstract：:Typically, subjective memory assessments (be it in form of single items or questionnaires) in old age only weakly correlate with the performance in objective memory tests at cross-section. It thus appears as if individual differences in subjective memory assessments hardly reflect individual differences in memory in o...

journal_title：Gerontology

authors： Zimprich D,Kurtz T

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Relationships between alcohol consumption and risks for metabolic syndrome in general populations are very controversial. It is unknown whether age influences the relationship between alcohol intake and the prevalence of metabolic syndrome. OBJECTIVE:The purpose of this study was to determine whether age in...

journal_title：Gerontology

authors： Wakabayashi I

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:Despite declines in cognitive abilities, older adults often perform comparable to younger adults in everyday tasks [J Am Geriatr Soc 1999;47:172-183]. Older adults may compensate for cognitive declines by using more efficient strategies. People often improve their efficiency by switching from an algorithmic ...

journal_title：Gerontology

authors： Frank DJ,Jordano ML,Browne K,Touron DR

更新日期：2016-01-01 00:00:00

abstract：:L-tryptophan (L-T) was added at a dose of 150-450 mg daily to eight Parkinsonian patients who developed visual hallucinations with paranoidal features under L-dopa (L-D) treatment (112.5-75 mg daily) in combination with alpha-methyldopa hydrazine (12.5-75 mg daily). In six patients L-T ameliorated the symptomatology b...

journal_title：Gerontology

authors： Rabey JM,Vardi J,Askenazi JJ,Streifler M

更新日期：1977-01-01 00:00:00

abstract：:A profound influence of steroidal (and possibly growth) hormone change during aging on the P-450 functions has been found in male rats. Direct and rapid autonomic nervous controls on glycogen metabolism in the liver is also greatly affected by aging. However, neither the responses of isolated rat hepatocyte preparatio...

journal_title：Gerontology

authors： Kitani K

更新日期：1988-01-01 00:00:00

abstract：:In three mouse lineages it was found that during the 18- to 60-day interval after formalin fixation, brain weight was inversely proportional to the age at sacrifice, as was the decline in the weight of the brain during this period. In a second study using rat subjects it was confirmed that the aging difference is due ...

journal_title：Gerontology

authors： Douglas RJ,Clark GM,Truncer PC,Treneer CM

更新日期：1981-01-01 00:00:00

abstract：BACKGROUND:While many studies investigate the factors that influence the institutionalisation of older persons, only a few consider one of its most important predictors, namely, the perceived need for institutionalisation. Also referred to as 'desire for institutionalisation', it has mainly been investigated for inform...

journal_title：Gerontology

authors： Dubois MF,Dubuc N,Raîche M,Caron CD,Hébert R

更新日期：2008-01-01 00:00:00

abstract：:Anion exchange (AE) proteins are present in human neurons in the brain. Immunohistochemical data indicate that their apparent expression level increases with age, and especially with degeneration in Alzheimer's disease-affected brain areas. The increase in immunoreactivity is probably caused by changes in AE structure...

journal_title：Gerontology

authors： Bosman GJ,Renkawek K,Van Workum FP,Bartholomeus IG,De Grip WJ

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND:During development and aging, as well as under hypoxia, many cells can adapt to a stressful environment, while others are damaged and die by apoptosis. In particular, intermittent hypoxia, i.e., hypoxia followed by reoxygenation, determines different responses in young and adult myocardia. OBJECTIVE:In the ...

journal_title：Gerontology

authors： Bianchi G,Di Giulio C,Rapino C,Rapino M,Antonucci A,Cataldi A

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND:Falls are a major cause of morbidity among older people. Multifaceted interventions may be effective in preventing falls and related fractures. OBJECTIVE:To evaluate the cost-effectiveness alongside the REducing Falls with Orthoses and a Multifaceted podiatry intervention (REFORM) trial. METHODS:REFORM was...

journal_title：Gerontology

authors： Corbacho B,Cockayne S,Fairhurst C,Hewitt CE,Hicks K,Kenan AM,Lamb SE,MacIntosh C,Menz HB,Redmond AC,Rodgers S,Scantlebury A,Watson J,Torgerson DJ,on behalf of the REFORM study.

更新日期：2018-01-01 00:00:00

abstract：:Walking and other physical activities were studied in a representative population sample of 619 70-year-old people in the city of Gothenburg, Sweden. Walking was the most common physical activity declared, and two thirds of those without an obvious disability walked 30 min or more every day. Subjects who took a daily ...

journal_title：Gerontology

authors： Frändin K,Grimby G,Mellström D,Svanborg A

更新日期：1991-01-01 00:00:00

abstract：:Creatine phosphokinase (CPK) has been shown to provide the initial ATP for muscle contraction. The effect of wheel running on CPK levels was compared in hindleg and cardiac muscles of young, intermediate-age and old outbred CW-1 and inbred C57BL mice. Short-term (5 weeks) and long-term (over 12 months) regimens were u...

journal_title：Gerontology

authors： Steinhagen-Thiessen E,Reznick AZ

更新日期：1987-01-01 00:00:00

abstract：:Metabolic, endocrine and biochemical variables of female hamsters were studied to define age-related alterations in their characteristics. Endurance performance, aerobic capacity and metabolic fuels and hormones were measured and compared in young-adult (2-3 months) and old (16-17 months) hamsters to determine if the ...

journal_title：Gerontology

authors： Nichols JF,Borer KT

更新日期：1987-01-01 00:00:00

abstract：:The hippocampus is a structure equipped with a high degree of flexibility and adaptation. In contrast to most structures of the adult central nervous system, the hippocampus can rely on a form of plasticity known as neurogenesis. The continuous provision of new neurons derived from resident adult neural stem cells app...

journal_title：Gerontology

authors： Couillard-Despres S,Iglseder B,Aigner L

更新日期：2011-01-01 00:00:00

abstract：:Form birefringence curves and linear dichroic properties of aging rat tendons are different from those of adult controls. The steepness of the form birefringence curves and the increased retardations found in aging tendons are ascribed to an increase in collagen aggregation accompanied by loss of tissue water. Based o...

journal_title：Gerontology

authors： Mello ML,Vidal BC,de Carvalho AC,Caseiro-Filho AC

更新日期：1979-01-01 00:00:00

abstract：:We examined the presenting features, clinical course and prognosis in relation to age in 121 patients with primary biliary cirrhosis (PBC) for a mean follow-up of 4.6 years. 35 patients (29%) were over age 65 years at presentation/detection. There was a higher proportion of patients asymptomatic of liver disease in th...

journal_title：Gerontology

authors： Lehmann AB,Bassendine MF,James OF

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:Functional status in older people is a dynamic situation, which makes it necessary to evaluate functional capacity at different times to determinate their prognostic value. OBJECTIVE:To examine the association between functional status (baseline and change after acute illness) and mortality and functional c...

journal_title：Gerontology

authors： Baztán JJ,Gálvez CP,Socorro A

更新日期：2009-01-01 00:00:00

abstract：:For logarithmically growing cultures of the human diploid cell lines WI-38 and WI-26, there is an exponential increase in the fraction of cells not incorporating [3H]dT under conditions of continuous labelling. Thymidine uptake, phosphorylation and incorporation into DNA can be correlated with cell proliferation. In a...

journal_title：Gerontology

authors： Cristofalo VJ

更新日期：1976-01-01 00:00:00

abstract：BACKGROUND:Old age has traditionally been considered to begin at age 65. The improving health and functional status observed among older people may necessitate reevaluation of this cut-off point. OBJECTIVE:To present the changing prevalence of common geriatric syndromes, functional parameters, common disease status an...

journal_title：Gerontology

authors： Jacobs JM,Maaravi Y,Cohen A,Bursztyn M,Ein-Mor E,Stessman J

更新日期：2012-01-01 00:00:00

abstract：:Over the past decades, information about the characteristics of attractiveness has accumulated. We know about eight pillars of beauty, among them youthfulness, symmetry, hormone markers and body odor. But what is the biological function of these attractive signals? Is there one common function to be found in all eight...

journal_title：Gerontology

authors： Oberzaucher E,Grammer K

更新日期：2010-01-01 00:00:00