Intraindividual variability, change, and aging: conceptual and analytical issues.

abstract：:The effects of ovine corticotropin releasing factor (o-CRF) on the secretions of ACTH, cortisol, dehydroepiandrosterone (DHEA) and dehydroepiandrosterone sulfate (DHEA-S) were studied in the healthy young and elderly male individuals. o-CRF caused significant elevations of plasma ACTH, cortisol and DHEA concentrations...

journal_title：Gerontology

authors： Ohashi M,Fujio N,Kato K,Nawata H,Ibayashi H

更新日期：1986-01-01 00:00:00

abstract：:Lymphopenia is a common finding in old people admitted to medical and psychiatric wards. We describe a pilot study of the clinical associations, and prognostic significance of lymphopenia in elderly persons admitted to acute medical and psychiatric wards. Consecutive patients admitted to acute medical and psychiatric ...

journal_title：Gerontology

authors： Dennis MS,Nicolson A,Lehmann AB,Junaid O,Byrne EJ,Hopkinson N

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:Depressed mood may either precede mobility limitation or follow from mobility limitation. OBJECTIVE:To compare mood status among people with manifest mobility limitation, those with preclinical mobility limitation and those without mobility limitation and investigate factors explaining the association betwe...

journal_title：Gerontology

authors： Hirvensalo M,Sakari-Rantala R,Kallinen M,Leinonen R,Lintunen T,Rantanen T

更新日期：2007-01-01 00:00:00

abstract：:Aging is a complex biological phenomenon which involves progressive loss of different physiological functions of various tissues of living organisms. It is the inevitable fate of life and is a major risk factor for death and different pathological disorders. Based on a wide variety of studies performed in humans as we...

journal_title：Gerontology

authors： Chakravarti B,Chakravarti DN

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Diabetes is common in elderly persons and is highly prevalent in Mexican Americans. Little is known about factors associated with the incidence of diabetes complications. OBJECTIVE:To examine the social, demographic and health factors associated with a 7-year incidence of diabetes complications among older ...

journal_title：Gerontology

authors： Kaushik VP,Al Snih S,Ray LA,Raji MA,Markides KS,Goodwin JS

更新日期：2007-01-01 00:00:00

abstract：:The subcellular distribution of estradiol following the in vivo administration of 3H-estradiol, cytosol and nuclear estrogen receptor after in vitro incubation with 3H-estradiol were studied in young adult female rats (3-6 months old) and old female rats (over 18 months old). After intravenous injection of 3H-estradio...

journal_title：Gerontology

authors： Jiang MJ,Peng MT

更新日期：1981-01-01 00:00:00

abstract：:Glutamine synthetase (GS) activity was measured in whole brain, different brain areas, liver and heart of 23- to 26-month-old rats, and then compared to matched animals of 3 months. A significant increase of GS activity was found in whole brain (25%) of old rats, as well as in all brain areas studied, but particularly...

journal_title：Gerontology

authors： Cao Danh H,Strolin Benedetti M,Dostert P

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:Aging may be defined as gradual and progressive changes in an organism that increase the probability of death. Accumulating evidence now indicates that the sum of deleterious free radical reactions going on continuously throughout cells and tissues constitutes the aging process or is a major contributor to i...

journal_title：Gerontology

authors： Martins Chaves M,Prates Rodrigues AL,Pereira dos Reis A,Gerzstein NC,Nogueira-Machado JA

更新日期：2002-11-01 00:00:00

abstract：:Dementia is a symptom of a variety of specific structural brain diseases as well as several system degenerations. Alzheimer's disease presently is the commonest cause in the developed world, causing a cortical-subcortical degeneration of ascending cholinergic neurons and large pyramidal cells in the cerebral cortex. C...

journal_title：Gerontology

authors： Plum F

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:Irrelevant unexpected stimuli elicit various types of inhibitory processes modulated by ongoing activity. An index of the inhibitory processes, namely the N2b and P3a event-related potentials (ERP), shows marked age-related differences. OBJECTIVE:In this experiment, we attempted to separate the effects of i...

journal_title：Gerontology

authors： Pató L,Czigler I

更新日期：2011-01-01 00:00:00

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：BACKGROUND:Werner's syndrome, a rare autosomal recessive disorder, is characterized by features of premature aging. Seventy-five percent of the alleles of Japanese patients with Werner's syndrome have one of three major mutations. OBJECTIVE:To determine the genotype of a patient with Werner's syndrome. METHODS:We dia...

journal_title：Gerontology

authors： Nakayama T,Ochiai T,Takahashi Y,Ohkubo K,Hironaga T,Kokubun S

更新日期：2002-07-01 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：: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：:Adult stem cells in mammalian organs play pivotal roles in the maintenance and repair of these organs throughout the life of the adult and maintain the proper homeostasis of a tissue or organ. Among the adult stem cells described to date, mesenchymal stem cells (MSCs) are highlighted for clinical applications because ...

journal_title：Gerontology

authors： Yu KR,Kang KS

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Hypoxia and aging determine on mammalian cells a stress response which implies modified production of oxidants, reactive oxygen species or reactive nitrogen species at the mitochondrial level, interfering with cell-signaling proteins and inducing mitochondrial damage, apoptosis occurrence and functional cons...

journal_title：Gerontology

authors： Zara S,Rapino M,Centurione L,di Giacomo V,Petruccelli G,Cataldi A

更新日期：2010-01-01 00:00:00

abstract：:Patients over 65 years of age admitted to an ophthalmic ward were routinely screened in a standard way practiced in Geriatric Assessment Units. The previous drug therapy of all patients was particularly noted. A classification of the patients with undetected pathology was made and an attempt to categorise the percenta...

journal_title：Gerontology

authors： Andrews J,Pandita-Gunawardena ND,Suntharalingham M

更新日期：1977-01-01 00:00:00

abstract：BACKGROUND:Falls are a significant problem for older adults. Individuals who have sustained a fall come to the attention of health care providers and are at risk of further falls. To promote the highest quality of care and reduce variation in care, a practice guideline is needed. Summarization of evidence regarding fal...

journal_title：Gerontology

authors： Moreland J,Richardson J,Chan D,O'Neill J,Bellissimo A,Grum R,Shanks L

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:The prevalence of aortic stenosis is nearly 20% in octogenarians. Aortic valve replacement (AVR) is the optimal therapy choice, yet many symptomatic patients are denied this beneficent technology. Whether mechanical or bioprosthetic, aortic valves are not a scarce resource and their safety, effectiveness and...

journal_title：Gerontology

authors： Bramstedt KA

更新日期：2003-01-01 00:00:00

abstract：:Cell surface of chick fibroblasts were labelled by a short treatment with 125I in presence of lactoperoxidase. A glycoprotein (220,000 molec. wt) was iodinated and was present in a more exposed position or in greater amounts at the surface of old phase III cells compared to young phase II cells. The findings extend ou...

journal_title：Gerontology

authors： Courtois Y,Hughes RC

更新日期：1976-01-01 00:00:00

abstract：:100 consecutive endoscopies in elderly patients referred with symptoms after previous gastric surgery are reviewed. 57% showed positive findings, and the procedure was found particularly useful in making definitive diagnoses in patients presenting with dyspepsia and upper gastro-intestinal bleeding. The incidence of g...

journal_title：Gerontology

authors： Gibbins FJ,Gupta SD,Sen I

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:Disturbance of vertical eye movement and ocular convergence is often observed in elderly people, but little is known about its frequency. OBJECTIVE:The purpose of this study was to investigate age-associated changes in vertical eye movement and convergence in healthy elderly people, using a digital video ca...

journal_title：Gerontology

authors： Oguro H,Okada K,Suyama N,Yamashita K,Yamaguchi S,Kobayashi S

更新日期：2004-05-01 00:00:00

abstract：:The distribution of sister chromatid exchange (SCE) points has been analyzed in cultured lymphocytes from three age-groups of 30 females (n = 10; young: 13-20, middle-aged: 30-55, old: 75-84 years). The observed interchromosomal SCE distribution is in good agreement with the results of previous workers, significant ag...

journal_title：Gerontology

authors： Vormittag W

更新日期：1983-01-01 00:00:00

abstract：:In the present study, we examined the changes that occur with age in anti-idiotype-blocked, hapten-augmentable PFC in the mucosal-associated lymph nodes (MLN and BLN) and spleen of various strains of mice. 2-month-old 129/J, AKR/J, and C57L/J mice had a high percentage of hapten-augmentable PFC in their spleen, MLN, a...

journal_title：Gerontology

authors： Szewczuk MR,Wade AW

更新日期：1985-01-01 00:00:00

abstract：:Some authors have hypothesised that life expectancy at birth could reach 100 years in developed countries in the next decades. Using recent data for French women, it is shown that life expectancy changes from 1993 to 2016 are mainly linked to mortality rates of oldest women. In recent years, it happened that life expe...

journal_title：Gerontology

authors： Le Bourg E

更新日期：2019-01-01 00:00:00

abstract：:Older adults have surprisingly high levels of well-being, which has been referred to as a paradox in the past. Improved emotion regulation has been suggested to underlie these high levels of well-being. Later life is also a period with enhanced exposure to critical life events, and this comes with risks. During such t...

journal_title：Gerontology

authors： Brose A,Ebner-Priemer UW

更新日期：2015-01-01 00:00:00

abstract：:The effect of aging on plasma erythropoietin (EPO) levels after acute hemorrhage was investigated in ovariectomized (Ovx) rats. Old (22 months), middle (mid)-aged (14 months) and adult (5-6 months) Ovx rats were studied. Rats were anesthetized with ether and bled by heart puncture (5 ml/kg). They were bled again after...

journal_title：Gerontology

authors： Wang RY,Tung YF,Wang PS

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND:Malnutrition is a widespread but largely unrecognized problem in aged patients, more so as it is a contributing factor to the increased morbidity and mortality in this age group. Since direct measurements of body composition are not possible in a large number of patients, good anthropometric reference data a...

journal_title：Gerontology

authors： Bonnefoy M,Jauffret M,Kostka T,Jusot JF

更新日期：2002-05-01 00:00:00

abstract：:The maximal glucocorticoid responsiveness and the adaptation degree are reduced in old rat liver as demonstrated by cortisol stimulation of RNA polymerases. Nevertheless the concentration of unoccupied 3H-dexamethasone binding sites in molybdate-stabilized cytosol of adrenalectomized old animals is significantly incre...

journal_title：Gerontology

authors： Martin H,Martin R

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND:The chronic stress of providing care for a spouse suffering from Alzheimer's disease has been associated with an increased risk for coronary artery disease and overall mortality. Procoagulant changes are kindled by mental stress, and they are prospectively associated with atherothrombotic events. OBJECTIVE:...

journal_title：Gerontology

authors： von Kanel R,Dimsdale JE,Adler KA,Patterson TL,Mills PJ,Grant I

更新日期：2005-01-01 00:00:00