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https://www.readbyqxmd.com/read/29454316/the-theoretical-and-empirical-basis-of-a-biopsychosocial-bps-risk-screener-for-detection-of-older-people-s-health-related-needs-planning-of-community-programs-and-targeted-care-interventions
#1
Zoe J-L Hildon, Chuen Seng Tan, Farah Shiraz, Wai Chong Ng, Xiaodong Deng, Gerald Choon Huat Koh, Kelvin Bryan Tan, Ian Philp, Dick Wiggins, Su Aw, Treena Wu, Hubertus J M Vrijhoef
BACKGROUND: This study introduces the conceptual basis and operational measure, of BioPyschoSocial (BPS) health and related risk to better understand how well older people are managing and to screen for risk status. The BPS Risk Screener is constructed to detect vulnerability at older ages, and seeks to measure dynamic processes that place equal emphasis on Psycho-emotional and Socio-interpersonal risks, as Bio-functional ones. We validate the proposed measure and describe its application to programming...
February 17, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29453101/can-higher-training-practice-dosage-with-treadmill-slip-perturbation-necessarily-reduce-risk-of-falls-following-overground-slip
#2
Anna Lee, Tanvi Bhatt, Xuan Liu, Yiru Wang, Yi-Chung Pai
BACKGROUND: Perturbation training is an emerging paradigm to reduce idiopathic falls (without clinical signs or symptoms) in older adults. While a higher threat dosage (intensity) in motor learning often directly relates to greater adaptation, retention, and generalization, little is known whether increasing the practice dosage (repetition) of slip-perturbation training would necessarily improve its outcomes. RESEARCH QUESTION: Can higher practice dosage of treadmill slip-perturbation training lead to greater generalization to an overground slip immediately after the training? METHODS: Forty-five community-dwelling older adults (73...
February 13, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29452781/physical-training-maintains-or-improves-gait-ability-in-long-term-nursing-home-residents-a-systematic-review-of-randomized-controlled-trials
#3
REVIEW
Haritz Arrieta, Chloe Rezola-Pardo, Susana María Gil, Jon Irazusta, Ana Rodriguez-Larrad
Numerous studies have reported the benefits of physical exercise in older adults. However, studies performed in long-term nursing home (LTNH) residents are scarce. A literature search was conducted to identify physical exercise intervention studies that were randomized and controlled and that assessed gait ability in older LTNH residents using both walking speed and timed up-and-go (TUG) tests simultaneously. Together, these tests have been defined under the term "gait ability"; they are widely used to screen for impaired physical function, and can predict accelerated functional decline, difficulty with activities of daily living (ADL), falls, and disability in older adults...
March 2018: Maturitas
https://www.readbyqxmd.com/read/29452755/machine-learning-algorithms-based-on-signals-from-a-single-wearable-inertial-sensor-can-detect-surface-and-age-related-differences-in-walking
#4
B Hu, P C Dixon, J V Jacobs, J T Dennerlein, J M Schiffman
The aim of this study was to investigate if a machine learning algorithm utilizing triaxial accelerometer, gyroscope, and magnetometer data from an inertial motion unit (IMU) could detect surface- and age-related differences in walking. Seventeen older (71.5 ± 4.2 years) and eighteen young (27.0 ± 4.7 years) healthy adults walked over flat and uneven brick surfaces wearing an inertial measurement unit (IMU) over the L5 vertebra. IMU data were binned into smaller data segments using 4-s sliding windows with 1-s step lengths...
January 12, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29452733/trajectory-of-physical-activity-after-hip-fracture-an-analysis-of-community-dwelling-individuals-from-the-english-longitudinal-study-of-ageing
#5
Tariq Aboelmagd, Jack R Dainty, Alex MacGregor, Toby O Smith
INTRODUCTION: To analyse physical activity participation in a community-dwelling people in England with hip fracture the interval prior to fracture, in the fracture recovery period, and a minimum of two years post-fracture. MATERIALS AND METHODS: 215 individuals were identified from the English Longitudinal Study of Ageing cohort (2002-2014) who sustained a hip fracture following a fall and for whom data were available on physical activity participation relating to the period pre-fracture, within-fracture recovery phase and post-fracture (minimum of two years)...
February 10, 2018: Injury
https://www.readbyqxmd.com/read/29452684/evaluation-of-the-safety-tolerability-and-efficacy-of-pimavanserin-versus-placebo-in-patients-with-alzheimer-s-disease-psychosis-a-phase-2-randomised-placebo-controlled-double-blind-study
#6
Clive Ballard, Carol Banister, Zunera Khan, Jeffrey Cummings, George Demos, Bruce Coate, James M Youakim, Randall Owen, Srdjan Stankovic
BACKGROUND: Pimavanserin is a selective 5-HT 2A receptor inverse agonist and antagonist approved in the USA for the treatment of hallucinations and delusions associated with Parkinson's disease psychosis. No safe or effective pharmacological treatment is approved for psychosis in patients with Alzheimer's disease. Therefore, we aimed to evaluate the safety, tolerability, and efficacy of pimavanserin versus placebo in patients with Alzheimer's disease psychosis. METHODS: We did a phase 2, randomised, double-blind, placebo-controlled, single-centre (with multiple affiliated nursing home sites across the UK) study...
March 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29451618/the-association-of-vitamin-d-levels-and-the-frailty-phenotype-among-non-geriatric-dialysis-patients-a-cross-sectional-study
#7
Demet Tekdos Demircioglu
OBJECTIVES: The aim of this study was to investigate the frequency of frailty and the association of vitamin D levels and the frailty phenotype among non-geriatric dialysis patients. METHOD: Seventy-four stable, chronic hemodialysis patients from the hemodialysis unit of the hospital were enrolled in the study. The patients' medical histories and laboratory findings were obtained from the medical records of the dialysis unit. Serum parathyroid hormone and 25-hydroxy vitamin D levels were determined using chemiluminometric immunoassays...
2018: Clinics
https://www.readbyqxmd.com/read/29448219/gait-posture-special-issue-gait-adaptations-in-response-to-obstacle-type-in-fallers-with-parkinson-s-disease
#8
Lisa Alcock, Brook Galna, Jeffrey M Hausdorff, Sue Lord, Lynn Rochester
BACKGROUND: Gait impairment places older adults and people with Parkinson's disease (PD) at an increased risk of falls when walking over obstacles. Increasing the height of obstacles results in greater challenge to balance however little is known about the demands encountered when negotiating obstacles of greater depth which may be greater for PD who often walk with a short, shuffling gait. RESEARCH QUESTION: To describe gait adaptation in older adults and people with PD when walking over long and tall obstacles...
January 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29446837/25-oh-vitamin-d-parathyroid-hormone-and-calcium-serum-levels-in-captive-common-marmosets-callithrix-jacchus-reference-values-and-effect-of-age-sex-season-and-closure-of-long-bone-epiphyses
#9
Leslie Bosseler, Jaco Bakker, Luc Duchateau, Ed Remarque, Jan A M Langermans, Pieter Cornillie, Koen Chiers
BACKGROUND: To date, reference values for 25-OH-vitamin D, parathyroid hormone (PTH), and calcium in serum of common marmosets (Callithrix jacchus) based on a large sample size are not available. METHODS: Serum reference values for these parameters were determined and correlated with sex, age, season of sampling, and time of long bone epiphyseal closure in captive-housed marmosets. RESULTS AND CONCLUSIONS: The 90% reference range for serum 25-OH-vitamin D is 47...
February 15, 2018: Journal of Medical Primatology
https://www.readbyqxmd.com/read/29443923/on-the-comparison-of-wearable-sensor-data-fusion-to-a-single-sensor-machine-learning-technique-in-fall-detection
#10
Panagiotis Tsinganos, Athanassios Skodras
In the context of the ageing global population, researchers and scientists have tried to find solutions to many challenges faced by older people. Falls, the leading cause of injury among elderly, are usually severe enough to require immediate medical attention; thus, their detection is of primary importance. To this effect, many fall detection systems that utilize wearable and ambient sensors have been proposed. In this study, we compare three newly proposed data fusion schemes that have been applied in human activity recognition and fall detection...
February 14, 2018: Sensors
https://www.readbyqxmd.com/read/29439863/towards-the-enhancement-of-body-standing-balance-recovery-by-means-of-a-wireless-audio-biofeedback-system
#11
Giovanni Costantini, Daniele Casali, Fabio Paolizzo, Marco Alessandrini, Alessandro Micarelli, Andrea Viziano, Giovanni Saggio
Human maintain their body balance by sensorimotor controls mainly based on information gathered from vision, proprioception and vestibular systems. When there is a lack of information, caused by pathologies, diseases or aging, the subject may fall. In this context, we developed a system to augment information gathering, providing the subject with warning audio-feedback signals related to his/her equilibrium. The system comprises an inertial measurement unit (IMU), a data processing unit, a headphone audio device and a software application...
February 10, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29439376/should-we-consider-steps-with-variable-height-for-a-safer-stair-negotiation-in-older-adults
#12
Marcos R Kunzler, Emmanuel S da Rocha, Christielen S Dos Santos, Fernando G Ceccon, Liver A Priario, Felipe P Carpes
BACKGROUND: Effects of exercise on foot clearances are important. In older adults variations in foot clearances during walking may lead to a fall, but there is a lack of information concerning stair negotiation in older adults. Whether a condition of post exercise changes foot clearances between steps of a staircase in older adults still unknown. OBJECTIVE: To determine differences in clearances when older adults negotiate different steps of a staircase before and after a session of aerobic exercise...
2018: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29438391/hearing-impairment-increases-the-risk-of-distal-radius-hip-and-spine-fractures-a-longitudinal-follow-up-study-using-a-national-sample-cohort
#13
So Young Kim, Joon Kyu Lee, Songyong Sim, Hyo Geun Choi
OBJECTIVE: Hearing impairment has been suggested to increase the risk of falls. However, most previous studies were conducted in an older population without classification of the fracture regions. This study aimed to delineate the risk of each fracture type in all age populations. METHODS: The Korean National Health Insurance Service-National Sample Cohort was collected from 2002 to 2013. A total of 4,854 severe hearing-impaired and 1,354 profound hearing-impaired participants were matched for age, group, sex, income group, and region of residence with 19,416 and 5,416 control participants, respectively...
2018: PloS One
https://www.readbyqxmd.com/read/29436253/promoting-activity-independence-and-stability-in-early-dementia-and-mild-cognitive-impairment-praised-development-of-an-intervention-for-people-with-mild-cognitive-impairment-and-dementia
#14
Vicky Booth, Rowan H Harwood, Victoria Hood-Moore, Trevor Bramley, Jennie E Hancox, Kate Robertson, Judith Hall, Veronika Van Der Wardt, Pip A Logan
This series of articles for rehabilitation in practice aims to cover a knowledge element of the rehabilitation medicine curriculum. Nevertheless, they are intended to be of interest to a multidisciplinary audience. The competency addressed in this article is an understanding of how to develop an intervention for people with mild cognitive impairment and dementia to promote their independence, stability, and physical activity. INTRODUCTION: Older adults with dementia are at a high risk of falls...
February 1, 2018: Clinical Rehabilitation
https://www.readbyqxmd.com/read/29435642/german-version-of-the-community-balance-and-mobility-scale-translation-and-evaluation-of-measurement-properties
#15
Katharina Gordt, A Stefanie Mikolaizak, Corinna Nerz, Carolin Barz, Thomas Gerhardy, Michaela Weber, Clemens Becker, Michael Schwenk
BACKGROUND: Tools to detect subtle balance deficits in high-functioning community-dwelling older adults are lacking. The Community Balance and Mobility Scale (CBM) is a valuable tool to measure balance deficits in this group; however, it is not yet available in the German language. OBJECTIVE: The aim was 1) to translate and cross-culturally adapt the CBM into the German language and 2) to investigate the measurement properties of the German CBM (G-CBM). MATERIAL AND METHODS: The original CBM was translated into the German language according to established guidelines...
February 12, 2018: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29435606/route-previewing-results-in-altered-gaze-behaviour-increased-self-confidence-and-improved-stepping-safety-in-both-young-and-older-adults-during-adaptive-locomotion
#16
Benjamin Thomas Curzon-Jones, Mark Andrew Hollands
Older adults with falls risk tend to look away prematurely from targets for safe foot placement to view future hazards; behaviour associated with increased anxiety and stepping inaccuracies. We aimed to determine the effectiveness of route previewing in reducing anxiety and optimizing gaze behaviour and stepping performance of younger and older adults. Nine younger and nine older adults completed six walks with three task complexities over two sessions. Each trial used either an isolated stepping target, or a target followed by either one or two obstacles...
February 13, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29434569/cranio-caudal-kinematic-turn-signature-assessed-with-inertial-systems-as-a-marker-of-mobility-deficits-in-parkinson-s-disease
#17
Karina Lebel, Christian Duval, Hung Phuc Nguyen, Réjean Plamondon, Patrick Boissy
Background: Turning is a challenging mobility task requiring proper planning, coordination, and postural stability to be executed efficiently. Turn deficits can impair mobility and lead to falls in patients with neurodegenerative disease, such as Parkinson's disease (PD). It was previously shown that the cranio-caudal sequence involved during a turn (i.e., motion is initiated by the head, followed by the trunk) exhibits a signature that can be captured using an inertial system and analyzed through the Kinematics Theory...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29433954/bmi-and-central-obesity-with-falls-among-community-dwelling-older-adults
#18
Beom-Young Cho, Dong-Chul Seo, Hsien-Chang Lin, David K Lohrmann, Andrea K Chomistek
INTRODUCTION: This study examined the associations of BMI category and central obesity status, with falls among community-dwelling older adults in the U.S. METHODS: Data were drawn from the 2012 and 2014 U.S. Health and Retirement Study, a nationally representative longitudinal panel study funded by the National Institute of Aging. The study participants were U.S. community-dwelling older adults aged ≥65 years (N=3,383). Multiple logistic regression and Poisson regression analyses examined the associations of BMI category and central obesity (waist circumference >102 cm in men and >88 cm in women) with experiencing a fall and fall injury, after adjusting for all other covariates...
February 9, 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29431890/saccade-frequency-response-to-visual-cues-during-gait-in-parkinson-s-disease-the-selective-role-of-attention
#19
Samuel Stuart, Sue Lord, Brook Galna, Lynn Rochester
Gait impairment is a core feature of Parkinson's disease (PD) with implications for falls risk. Visual cues improve gait in PD but the underlying mechanisms are unclear. Evidence suggests that attention and vision play an important role however the relative contribution from each is unclear. Measurement of visual exploration (specifically saccade frequency) during gait allows for real-time measurement of attention and vision. Understanding how visual cues influence visual exploration may allow inferences of the underlying mechanisms to response which could help to develop effective therapeutics...
February 12, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29431557/four-square-step-test-with-foam-is-more-accurate-than-those-without-foam-for-discriminating-between-older-adults-with-and-without-fall-history
#20
Phakkanut Mathurapongsakul, Akkradate Siriphorn
OBJECTIVE: The aim was to compare the use of the four square step test (FSST) and the four square step test with foam surface (FSST+foam) scores for discriminating between adults, faller older adults, and non-faller older adults. METHODS: Fifty-four participants (18 for each group) were assessed using the FSST and FSST+foam. The area under the curve (AUC) of receiver operating characteristic curve was calculated and used to compare the accuracy of the tests. RESULTS: The FSST+foam was more accurate than FSST for discriminating between faller and non-faller older adults (AUCs were 0...
February 12, 2018: Journal of Aging and Physical Activity
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