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Elderly falls

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https://www.readbyqxmd.com/read/28227925/principal-component-analysis-can-decrease-neural-networks-performance-for-incipient-falls-detection-a-preliminary-study-with-hands-and-feet-accelerations
#1
Fiorenzo Artoni, Dario Martelli, Vito Monaco, Silvestre Micera, Fiorenzo Artoni, Dario Martelli, Vito Monaco, Silvestre Micera
Fall-related accidents constitute a major problem for elderly people and a burden to the health-care national system. It is therefore important to design devices (e.g., accelerometers) and machine learning algorithms able to recognize incipient falls as quickly and reliably as possible. Blind source separation (BSS) methods are often used as a preprocessing step before classification, however the effects of BSS on classification performance are not well understood. The aim of this work is to preliminarily characterize the effect that two methods, namely Principal and Independent Component Analysis (PCA and ICA) and their combined use have on the performance of a neural network in detecting incipient falls...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227594/fall-risk-factors-analysis-based-on-sample-entropy-of-plantar-kinematic-signal-during-stance-phase
#2
Shengyun Liang, Huiyu Jia, Zilong Li, Huiqi Li, Xing Gao, Zuchang Ma, Yingnan Ma, Guoru Zhao, Shengyun Liang, Huiyu Jia, Zilong Li, Huiqi Li, Xing Gao, Zuchang Ma, Yingnan Ma, Guoru Zhao, Shengyun Liang, Huiqi Li, Huiyu Jia, Xing Gao, Zuchang Ma, Guoru Zhao, Yingnan Ma, Zilong Li
Falls are a multi-causal phenomenon with a complex interaction. The aim of our research is to study the effect of multiple variables for potential risk of falls and construct an elderly fall risk assessment model based on demographics data and gait characteristics. A total of 101 subjects, whom belong to Malianwa Street, aged above 50 years old and participated in questionnaire survey. Participants were classified into three groups (high, medium and low risk group) according to the score of elderly fall risk assessment scale...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227589/uhf-wearable-battery-free-sensor-module-for-activity-and-falling-detection
#3
Nam Trung Dang, Thang Viet Tran, Wan-Young Chung, Nam Trung Dang, Thang Viet Tran, Wan-Young Chung, Thang Viet Tran, Wan-Young Chung, Nam Trung Dang
Falling is one of the most serious medical and social problems in aging population. Therefore taking care of the elderly by detecting activity and falling for preventing and mitigating the injuries caused by falls needs to be concerned. This study proposes a wearable, wireless, battery free ultra-high frequency (UHF) smart sensor tag module for falling and activity detection. The proposed tag is powered by UHF RF wave from reader and read by a standard UHF Electronic Product Code (EPC) Class-1 Generation-2 reader...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227321/fall-detection-algorithms-for-real-world-falls-harvested-from-lumbar-sensors-in-the-elderly-population-a-machine-learning-approach
#4
Alan K Bourke, Jochen Klenk, Lars Schwickert, Kamiar Aminian, Espen A F Ihlen, Sabato Mellone, Jorunn L Helbostad, Lorenzo Chiari, Clemens Becker, Alan K Bourke, Jochen Klenk, Lars Schwickert, Kamiar Aminian, Espen A F Ihlen, Sabato Mellone, Jorunn L Helbostad, Lorenzo Chiari, Clemens Becker, Lorenzo Chiari, Lars Schwickert, Kamiar Aminian, Clemens Becker, Jorunn L Helbostad, Jochen Klenk, Alan K Bourke, Sabato Mellone, Espen A F Ihlen
Automatic fall detection will promote independent living and reduce the consequences of falls in the elderly by ensuring people can confidently live safely at home for linger. In laboratory studies inertial sensor technology has been shown capable of distinguishing falls from normal activities. However less than 7% of fall-detection algorithm studies have used fall data recorded from elderly people in real life. The FARSEEING project has compiled a database of real life falls from elderly people, to gain new knowledge about fall events and to develop fall detection algorithms to combat the problems associated with falls...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227174/two-threshold-energy-based-fall-detection-using-a-triaxial-accelerometer
#5
Angela Sucerquia, Jose D Lopez, Francisco Vargas, Angela Sucerquia, Jose D Lopez, Francisco Vargas, Angela Sucerquia, Francisco Vargas, Jose D Lopez
Elderly fall detection based on accelerometers is an active research area. Nowadays authors are addressing specific problems such as failure rates and energy consumption, but in most cases their strategies do not conciliate these objectives. In this paper we propose a double threshold based methodology with two novel detection features, a product between the sum vector magnitude and the signal magnitude area, and a normalization of the signal magnitude area over five 1 s windows. The methodology was validated using the public Mobifall dataset, and one developed for this work...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226635/relationship-between-dynamical-characteristics-of-sit-to-walk-motion-and-physical-functions-of-elderly-humans
#6
Shengyun Liang, Yunkun Ning, Gaosheng Xie, Lei Wang, Xing Gao, Yingnan Ma, Guoru Zhao, Shengyun Liang, Yunkun Ning, Gaosheng Xie, Lei Wang, Xing Gao, Yingnan Ma, Guoru Zhao, Yingnan Ma, Yunkun Ning, Shengyun Liang, Xing Gao, Gaosheng Xie, Guoru Zhao, Lei Wang
Sit-to-walk (STW) motion is essential for daily activities. Falls frequently occur, when there is impaired ability to perform STW movements. This study investigated the relationships between the dynamical characteristics of STW motion and physical functions of elderly people. 128 elderly (51 males and 77 females, above 65 years) participated in this study. Participants were instructed to perform STW motion at comfortable state and classified into four groups (normal, mild, moderate and severe group) based on physical function, which evaluated with functional reach test and dynamic gait test...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226607/fall-risk-probability-estimation-based-on-supervised-feature-learning-using-public-fall-datasets
#7
Gregory A Koshmak, Maria Linden, Amy Loutfi, Gregory A Koshmak, Maria Linden, Amy Loutfi, Gregory A Koshmak, Maria Linden
Risk of falling is considered among major threats for elderly population and therefore started to play an important role in modern healthcare. With recent development of sensor technology, the number of studies dedicated to reliable fall detection system has increased drastically. However, there is still a lack of universal approach regarding the evaluation of developed algorithms. In the following study we make an attempt to find publicly available fall datasets and analyze similarities among them using supervised learning...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226560/biomechanical-analysis-of-a-fall-velocities-at-impact
#8
Norbert Noury, Julien Poujaud, Pierre Cousin, Nicolas Poujaud, Norbert Noury, Julien Poujaud, Pierre Cousin, Nicolas Poujaud, Nicolas Poujaud, Norbert Noury, Julien Poujaud, Pierre Cousin
There are numerous research works focusing on falls of the elderly, proposing various technologies for its detection; however, few research works attempted to describe the mechanical phenomenon itself. In this study, we analyzed the kine(ma)tics of human falls with a simplified biomechanical model of human segments. We present some results based on data found in the literature and in our own laboratory experiments, to conclude that fall velocities at impact can reach values from 3.78 m.s(-1) (center of mass) to 6...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225741/redefining-the-association-between-old-age-and-poor-outcomes-after-trauma-the-impact-of-frailty-syndrome
#9
Bellal Joseph, Tahereh Orouji Jokar, Ahmed Hassan, Asad Azim, Martha Jane Mohler, Narong Kulvatunyou, Shirin Siddiqi, Herb Phelan, Mindy Fain, Peter Rhee
BACKGROUND: Frailty syndrome (FS) is a well-established predictor of outcomes in geriatric patients. The aim of this study was to quantify the prevalence of FS in geriatric trauma patients and to determine its association with trauma readmissions, repeat falls, and mortality at 6 months. METHODS: we performed a 2-year (2012-2013) prospective cohort analysis of all consecutive geriatric (age, ≥ 65 years) trauma patients. FS was assessed using a Trauma-Specific Frailty Index (TSFI)...
March 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28224958/-alcohol-intoxication-in-old-age
#10
Pascal Menecier, Loetita Rotheval
Acute alcohol intoxication occurs in elderly subjects. Drunkenness appears in banal clinical forms in geriatrics: falls, dizziness or confusion. Elderly people are more vulnerable to alcohol and need less alcohol to become intoxicated. Age does not exclude the possibility of receiving alcohol addiction treatment. Broaching the subject with an elderly person, the day after a drunken episode, is useful and recommended.
January 2017: Soins. Gérontologie
https://www.readbyqxmd.com/read/28224694/the-clinical-relevance-of-orthostatic-hypotension-in-elderly-patients
#11
Laura Hartog, Nanne Kleefstra, Rene Luigies, Sophia de Rooij, Henk Bilo, Kornelis van Hateren
AIM: Orthostatic hypotension (OH) is highly prevalent in old age. The impact of OH on orthostatic complaints and falling is questionable. We wondered if the consensus definition of OH plays an essential role in the accuracy and direction of the prediction of these endpoints. We aimed to explore the relation between different definitions of OH, including relative decrease of blood pressure, and orthostatic complaints and falling. METHODS: A cross-sectional study was performed with 1415 participants aged ≥65 years visiting a mobile fall-prevention team...
February 22, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28222191/elderly-fall-risk-prediction-using-static-posturography
#12
Jennifer Howcroft, Edward D Lemaire, Jonathan Kofman, William E McIlroy
Maintaining and controlling postural balance is important for activities of daily living, with poor postural balance being predictive of future falls. This study investigated eyes open and eyes closed standing posturography with elderly adults to identify differences and determine appropriate outcome measure cut-off scores for prospective faller, single-faller, multi-faller, and non-faller classifications. 100 older adults (75.5 ± 6.7 years) stood quietly with eyes open and then eyes closed while Wii Balance Board data were collected...
2017: PloS One
https://www.readbyqxmd.com/read/28222062/anticoagulation-of-elderly-patients-at-high-risk-for-falls-with-atrial-fibrillation
#13
(no author information available yet)
No abstract text is available yet for this article.
February 27, 2017: Medical Letter on Drugs and Therapeutics
https://www.readbyqxmd.com/read/28217306/sexual-function-of-patients-with-heart-failure-facts-and-numbers
#14
EDITORIAL
Tiny Jaarsma
Approximately 60% to 87% of patients with heart failure (HF) report sexual problems, and numbers as low as 31% of HF patients younger than 70 have normal sexual function. When compared with healthy elders, the amount of perceived sexual dysfunction might be similar (around 56%), but patients with HF are reporting more erectile dysfunction (ED) and also perceive that their HF symptoms (20%) or HF medication (10%) is the cause for their problems. The prevalence of ED is highly prevalent in men with cardiac disease and reported in up to 81% of cardiac patients, compared with 50% in the general older population...
February 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28216413/does-neuromuscular-electrical-stimulation-training-of-the-lower-limb-have-functional-effects-on-the-elderly-a-systematic-review
#15
REVIEW
Antoine Langeard, Lucile Bigot, Nathalie Chastan, Antoine Gauthier
The lower limb muscle functions of the elderly are known to be preferentially altered by ageing. Traditional training effectively counteracts some of these functional declines but is not always accessible due to its cost and to the accessibility of the training centers and to the incapacities of some seniors to practice some exercises. Neuromuscular electrical stimulation (NMES) could provide an interesting alternative muscle training technique because it is inexpensive and transportable. The aim of this systematic review was to summarize the current evidence on the effect of the use of lower limb NMES as a training technique for healthy elderly rehabilitation...
February 16, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28215652/polypathology-polypharmacy-medication-regimen-complexity-and-drug-therapy-appropriateness
#16
N Gómez Aguirre, A Caudevilla Martínez, L Bellostas Muñoz, M Crespo Avellana, J Velilla Marco, J Díez-Manglano
Polypathological patients are usually elderly and take numerous drugs. Polypharmacy affects 85% of these individuals and is not associated with greater survival. On the contrary, polypharmacy exposes these individuals to more adverse effects, such as weight loss, falls, functional and cognitive impairment and hospitalisations. The complexity of a drug regimen covers more aspects than the simple number of drugs consumed. The galenic form, the dosage and the method for preparing the drug can impede the understanding of and compliance with prescriptions...
February 16, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28215383/telephone-care-management-of-fall-risk-a-feasibility-study
#17
Elizabeth A Phelan, Maureen Pence, Barbara Williams, Frederick A MacCornack
INTRODUCTION: Care management has been found to be more effective than usual care for some chronic conditions, but few studies have tested care management for prevention of elder falls. This study aimed to assess the feasibility and preliminary efficacy of telephone care management of older adults presenting for medical attention due to a fall. METHODS: The setting was an independent practice association in western Washington serving 1,300 Medicare Advantage-insured patients...
March 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28215200/health-team-for-the-elderly-a-feasibility-study-for-preventive-home-visits
#18
Berit Seiger Cronfalk, Astrid Fjell, Nina Carstens, Lars Malvin Kvinge Rosseland, Arvid Rongve, Dag-Helge Rönnevik, Åke Seiger, Knut Skaug, Karen Johanne Ugland Vae, Marianne Hauge Wennersberg, Anne-Marie Boström
: The aim was to describe the development, utilization and feasibility of a model of preventive home visits, in an urban and a rural municipality in Norway. BACKGROUND: Older people >65 years will rise significantly in coming years. Increased age is associated with risk of disability, illness and need for public health services. Preventive home visits is assumed to help older people to maintain their functional level longer, delaying disease and thus delaying the need for health care...
February 20, 2017: Primary Health Care Research & Development
https://www.readbyqxmd.com/read/28213385/effectiveness-of-acarbose-in-treating-elderly-patients-with-diabetes-with-postprandial-hypotension
#19
Jie Zhang, Lixin Guo
: : Postprandial hypotension (PPH) is a common condition that occurs primarily in elderly patients with type 2 diabetes mellitus (T2DM). This study aimed to assess the effectiveness of acarbose for PPH; it also investigated possible mechanisms behind PPH development. This single-blind, randomized controlled trial included 91 elderly patients with T2DM, aged between 60 and 80 years, who were inpatients at Beijing Hospital between March 2012 and November 2014. The patients were included into one of three groups: Group A, patients with T2DM without PPH; Group B, patients with T2DM with PPH receiving placebo; and Group C, patients with T2DM with PPH receiving acarbose...
February 17, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28210064/toe-functions-have-little-effect-on-dynamic-balance-ability-in-elderly-people
#20
Yoshinobu Yoshimoto, Yukitsuna Oyama, Mamoru Tanaka, Asuka Sakamoto
[Purpose] The purpose of this study was to examine the toe function of elderly people and the association with the dynamic balance ability for the developing effective fall-prevention measures. [Subjects and Methods] Seventy-eight participants in a community health service were included in this cross-sectional study. The Timed Up and Go Test and Four Square Step Test were used to test dynamic balance ability. The toe functions related to dynamic balance ability were toe flexion strength, presence or absence of restricted range of motion of the hallux, presence or absence of hallux pain, and hallux valgus angle...
January 2017: Journal of Physical Therapy Science
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