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Gerontology

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https://www.readbyqxmd.com/read/28297704/successful-aging-from-the-viewpoint-of-older-adults-development-of-a-brief-successful-aging-inventory-sai
#1
Jeong Eun Lee, Boaz Kahana, Eva Kahana
OBJECTIVE: Researcher-defined criteria for successful aging (SA) have been criticized for their limited perspective and failure to acknowledge subjective perceptions of older individuals. We assessed the extent to which older individuals consider specific factors, which they had suggested, to be important in defining SA. The present study had 2 objectives: (a) to develop a brief multidimensional questionnaire for assessing SA and to evaluate its psychometric properties; and (b) to examine age associations with each dimension of SA...
March 16, 2017: Gerontology
https://www.readbyqxmd.com/read/28285311/postural-transitions-during-activities-of-daily-living-could-identify-frailty-status-application-of-wearable-technology-to-identify-frailty-during-unsupervised-condition
#2
Saman Parvaneh, Jane Mohler, Nima Toosizadeh, Gurtej Singh Grewal, Bijan Najafi
BACKGROUND: Impairment of physical function is a major indicator of frailty. Functional performance tests have been shown to be useful for identification of frailty in older adults. However, these tests are often not translatable into unsupervised and remote monitoring of frailty status at home and/or community settings. OBJECTIVE: In this study, we explored daily postural transition quantified using a chest-worn wearable technology to identify frailty in community-dwelling older adults...
March 11, 2017: Gerontology
https://www.readbyqxmd.com/read/28273664/cognitive-predictors-of-everyday-problem-solving-across-the-lifespan
#3
Xi Chen, Christopher Hertzog, Denise C Park
BACKGROUND: An important aspect of successful aging is maintaining the ability to solve everyday problems encountered in daily life. The limited evidence today suggests that everyday problem solving ability increases from young adulthood to middle age, but decreases in older age. OBJECTIVES: The present study examined age differences in the relative contributions of fluid and crystallized abilities to solving problems on the Everyday Problems Test (EPT). We hypothesized that due to diminishing fluid resources available with advanced age, crystallized knowledge would become increasingly important in predicting everyday problem solving with greater age...
March 9, 2017: Gerontology
https://www.readbyqxmd.com/read/28245466/is-the-age-related-decline-in-renal-function-an-age-associated-disease-or-part-of-a-normal-aging-process
#4
Fabian Braun, Paul Thomas Brinkkoetter
No abstract text is available yet for this article.
March 1, 2017: Gerontology
https://www.readbyqxmd.com/read/28231583/prevalence-of-impaired-kidney-function-in-the-german-elderly-results-from-the-berlin-aging-study-ii-base-ii
#5
Maximilian König, Maik Gollasch, Ilja Demuth, Elisabeth Steinhagen-Thiessen
BACKGROUND: In aging populations with an ever-growing burden of risk factors such as obesity, diabetes, and hypertension, chronic kidney disease (CKD) is on the rise. However, little is known about its exact prevalence among elderly adults, and often albuminuria is not included in the definition of CKD. Moreover, novel equations for the estimated glomerular filtration rate (eGFR) have recently emerged, which have not been applied comprehensively to older adults. Data on CKD awareness among the elderly are sparse...
February 24, 2017: Gerontology
https://www.readbyqxmd.com/read/28125811/loneliness-in-older-black-adults-with-human-immunodeficiency-virus-is-associated-with-poorer-cognition
#6
S Duke Han, Oluwatoyin Adeyemi, Robert S Wilson, Sue Leurgans, Antonio Jimenez, Lawrence Oullet, Raj Shah, Alan Landay, David A Bennett, Lisa L Barnes
BACKGROUND: The human immunodeficiency virus (HIV) is associated with cognitive impairment, and loneliness is associated with cognitive decline in old age. Older Black adults with HIV may be at particular risk of loneliness due to stigma and lack of social resources. OBJECTIVE: We tested the hypotheses that (1) older Black adults with HIV would show greater loneliness than older White adults with HIV, and (2) greater loneliness among older Black adults with HIV would be associated with poorer cognitive function...
January 27, 2017: Gerontology
https://www.readbyqxmd.com/read/28118636/energy-metabolism-and-ageing-in-the-mouse-a-mini-review
#7
Vian Azzu, Teresa G Valencak
The mouse has rapidly become the mammalian model organism of choice in ageing research due to its relatively short lifespan, the proximity of its genome and physiology to humans, and most importantly due to its genetic pliability and the availability of mutant strains. Mouse models have provided great insights into the ageing process, which in its broadest sense is the progressive decline of body functions over time. In this mini-review, we briefly cover the historical views on the link between ageing and metabolic rate, highlight genetically modified transgenic mouse models of extended lifespan, discuss endocrine pathways linked to senescence and ageing, and then examine pathways by which caloric restriction is postulated to result in longevity...
January 25, 2017: Gerontology
https://www.readbyqxmd.com/read/28103597/psychophysiological-effects-of-a-single-short-and-moderately-bright-room-light-exposure-on-mildly-depressed-geriatric-inpatients-a-pilot-study
#8
Markus Canazei, Wilfried Pohl, Kathrin Bauernhofer, Ilona Papousek, Helmut K Lackner, Harald R Bliem, Josef Marksteiner, Elisabeth M Weiss
BACKGROUND: Light interventions typically exert their mood-related effects during morning bright light exposures over several weeks. Evidence about immediate ambient room light effects on depressed individuals is still sparse. OBJECTIVE: The present study aimed at examining the acute effects of a single moderately bright room light exposure on mood, and behavioural and cardiac stress reactions of mildly depressed geriatric inpatients during a short cognitive stimulation and while resting...
January 20, 2017: Gerontology
https://www.readbyqxmd.com/read/28099965/pilot-test-of-a-new-personal-health-system-integrating-environmental-and-wearable-sensors-for-telemonitoring-and-care-of-elderly-people-at-home-smarta-project
#9
Lucia Pigini, Gabriele Bovi, Claudia Panzarino, Valerio Gower, Maurizio Ferratini, Giuseppe Andreoni, Roberto Sassi, Massimo W Rivolta, Maurizio Ferrarin
BACKGROUND: The increase in life expectancy is accompanied by a growing number of elderly subjects affected by chronic comorbidities, a health issue which also implies important socioeconomic consequences. Shifting from hospital or community dwelling care towards a home personalized healthcare paradigm would promote active aging with a better quality of life, along with a reduction in healthcare-related costs. OBJECTIVE: The aim of the SMARTA project was to develop and test an innovative personal health system integrating standard sensors as well as innovative wearable and environmental sensors to allow home telemonitoring of vital parameters and detection of anomalies in daily activities, thus supporting active aging through remote healthcare...
January 19, 2017: Gerontology
https://www.readbyqxmd.com/read/28099953/social-networks-among-the-older-chinese-population-in-the-usa-findings-from-the-pine-study
#10
XinQi Dong, E-Shien Chang
BACKGROUND: Social network research has become central to studies of health and aging. Its results may yield public health insights that are actionable and improve the quality of life of older adults. However, little is known about the social networks of older immigrant adults, whose social relationships often develop in the context of migration, compounded by cultural and linguistic barriers. OBJECTIVES: This report aims to describe the structure, composition, and emotional components of social networks in the Chinese aging population of the USA, and to explore ways in which their social networks may be critical to their health decision-making...
January 19, 2017: Gerontology
https://www.readbyqxmd.com/read/28076861/potential-applications-of-smart-multifunctional-wearable-materials-to-gerontology
#11
David G Armstrong, Bijan Najafi, Mohsen Shahinpoor
Smart multifunctional materials can play a constructive role in addressing some very important aging-related issues. Aging affects the ability of older adults to continue to live safely and economically in their own residences for as long as possible. Thus, there will be a greater need for preventive, acute, rehabilitative, and long-term health care services for older adults as well as a need for tools to enable them to function independently during daily activities. The objective of this paper is, thus, to present a comprehensive review of some potential smart materials and their areas of applications to gerontology...
January 12, 2017: Gerontology
https://www.readbyqxmd.com/read/28052287/is-overnight-fasting-before-surgery-too-much-or-not-enough-how-basic-aging-research-can-guide-preoperative-nutritional-recommendations-to-improve-surgical-outcomes-a-mini-review
#12
Alban Longchamp, Eylul Harputlugil, Jean-Marc Corpataux, C Keith Ozaki, James R Mitchell
Dietary restriction (DR) is best known for extending lifespan in experimental model organisms, but also increases resistance to a variety of clinically relevant stressors, including those associated with surgery. Extended periods of DR, lasting months to years, are required for optimal longevity benefits in rodents, but short-term dietary preconditioning (less than 1 week) remarkably protects from acute injury. Here, we discuss recent advances in our understanding of the mechanistic basis of short-term DR and fasting in the context of surgical stress resistance, including upstream amino acid sensing by the GCN2 and mTORC1 pathways, and downstream effector mechanisms including increased insulin-dependent prosurvival signaling and elevated endogenous hydrogen sulfide production...
January 5, 2017: Gerontology
https://www.readbyqxmd.com/read/27974723/genome-and-epigenome-editing-in-mechanistic-studies-of-human-aging-and-aging-related-disease
#13
Cia-Hin Lau, Yousin Suh
The recent advent of genome and epigenome editing technologies has provided a new paradigm in which the landscape of the human genome and epigenome can be precisely manipulated in their native context. Genome and epigenome editing technologies can be applied to many aspects of aging research and offer the potential to develop novel therapeutics against age-related diseases. Here, we discuss the latest technological advances in the CRISPR-based genome and epigenome editing toolbox, and provide insight into how these synthetic biology tools could facilitate aging research by establishing in vitro cell and in vivo animal models to dissect genetic and epigenetic mechanisms underlying aging and age-related diseases...
2017: Gerontology
https://www.readbyqxmd.com/read/27875813/memories-of-a-professor-emeritus
#14
Georg Wick
No abstract text is available yet for this article.
2017: Gerontology
https://www.readbyqxmd.com/read/27855417/testosterone-deficiency-and-testosterone-treatment-in-older-men
#15
Farid Saad, Gabriele Röhrig, Stephan von Haehling, Abdulmaged Traish
Frailty is a clinical condition related to changes in metabolism, to sarcopenia, and to decline in muscle mass and strength, bone mineral density, and physical function with aging. The pathophysiology of frailty is multifactorial and associated with comorbidities. Testosterone is implicated in regulating metabolic functions, maintenance of muscle and bone, and inhibition of adipogenesis. In older individuals, reduced testosterone is thought to contribute to an altered state of metabolism, loss of muscle and bone, and increased fat, leading to sarcopenia, sarcopenic obesity, and frailty...
2017: Gerontology
https://www.readbyqxmd.com/read/27855415/instrumented-trail-making-task-to-differentiate-persons-with-no-cognitive-impairment-amnestic-mild-cognitive-impairment-and-alzheimer-disease-a-proof-of-concept-study
#16
He Zhou, Marwan Sabbagh, Rachel Wyman, Carolyn Liebsack, Mark E Kunik, Bijan Najafi
BACKGROUND: Objective and time-effective tools are needed to identify motor-cognitive impairment and facilitate early intervention. OBJECTIVE: We examined the feasibility, accuracy, and reliability of an instrumented trail-making task (iTMT) using a wearable sensor to identify motor-cognitive impairment among older adults. METHODS: Thirty subjects (age = 82.2 + 6.1 years, body mass index = 25.7 + 4.8, female = 43.3%) in 3 age-matched groups, 11 healthy, 10 with amnestic mild cognitive impairment (aMCI), and 9 with Alzheimer disease (AD), were recruited...
2017: Gerontology
https://www.readbyqxmd.com/read/27771728/chronobiology-of-aging-a-mini-review
#17
Germaine Cornelissen, Kuniaki Otsuka
Aging is generally associated with weakening of the circadian system. The circadian amplitude is reduced and the circadian acrophase becomes more labile, tending to occur earlier with advancing age. As originally noted by Franz Halberg, similar features are observed in the experimental laboratory after bilateral lesioning of the suprachiasmatic nuclei, suggesting the involvement of clock genes in the aging process as they are in various disease conditions. Recent work has been shedding light on underlying pathways involved in the aging process, with the promise of interventions to extend healthy life spans...
2017: Gerontology
https://www.readbyqxmd.com/read/27771698/elder-abuse-in-nursing-homes-do-special-care-units-make-a-difference-a-secondary-data-analysis-of-the-swiss-nursing-homes-human-resources-project
#18
Olivia Blumenfeld Arens, Katharina Fierz, Franziska Zúñiga
BACKGROUND: In special care units (SCUs) for residents with advanced dementia, both personnel and organizations are adapted to the needs of residents. However, whether these adaptations have a preventive effect on elder abuse has not yet been explored. OBJECTIVE: To describe the prevalence of observed emotional abuse, neglect, and physical abuse in Swiss nursing homes, to compare SCUs with non-SCUs concerning the frequency of observed emotional abuse, neglect, and physical abuse, and to explore how resident-related characteristics, staff outcomes/characteristics, and organizational/environmental factors relate to observed elder abuse...
2017: Gerontology
https://www.readbyqxmd.com/read/27764828/driving-characteristics-of-older-drivers-and-their-relationship-to-the-useful-field-of-view-test
#19
Tania Dukic Willstrand, Thomas Broberg, Helena Selander
BACKGROUND: To maintain the mobility of older people in later life, it is essential to sustain their autonomy; however, driving is a complex task, requiring a large range of visual, psychomotor and cognitive abilities. Subsequently, a key issue is to measure and evaluate the fitness to drive of older drivers. Several methods have been proposed, among them the useful field of view (UFOV) test. OBJECTIVE: The present study aimed to identify driving characteristics in older drivers and the relationship between the UFOV test and the on-road driving results...
2017: Gerontology
https://www.readbyqxmd.com/read/27760428/response-of-the-nitric-oxide-system-to-hypobaric-hypoxia-in-the-aged-striatum
#20
Francisco Molina, María Luisa Del Moral, María Ángeles Peinado, Alma Rus
BACKGROUND: Nitric oxide (NO) appears to play a key role in the hypoxic injury to the brain. We have previously reported that hypoxia/reoxygenation downregulated NO synthases (NOS) in the adult striatum. Until now, no data were available concerning the influence of aging in conjunction with hypoxia/reoxygenation on the NO system in the striatum. OBJECTIVE: The aim of this study was to assess the role of the NO pathway in the hypoxic aged striatum. METHODS: Wistar rats 24-25 months old were submitted to hypobaric hypoxia (20 min)/reoxygenation (0 h, 24 h, 5 days)...
2017: Gerontology
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