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parkinsonism falls

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https://www.readbyqxmd.com/read/27913063/a-novel-approach-to-falls-classification-in-parkinson-s-disease-development-of-the-fall-related-activity-classification-frac
#1
Annie Ross, Alison J Yarnall, Lynn Rochester, Sue Lord
BACKGROUND: Falls are a major problem for people with Parkinson's disease (PD). Despite years of focused research knowledge of falls aetiology is poor. This may be partly due to classification approaches which conventionally report fall frequency. This nosology is blunt, and does not take into account causality or the circumstances in which the fall occurred. For example, it is likely that people who fall from a postural transition are phenotypically different to those who fall during high level activities...
September 3, 2016: Physiotherapy
https://www.readbyqxmd.com/read/27911340/dementia-predictors-in-parkinson-disease-a-validation-study
#2
Julius Bm Anang, Takashi Nomura, Silvia Rios Romenets, Kenji Nakashima, Jean-Francois Gagnon, Ronald B Postuma
In a prospective study, we recently discovered 8 clinical predictors of dementia in Parkinson's disease. Here, we validate these dementia predictors using two additional prospective cohorts (n = 134). After a 3.6-year follow-up, 35/134 developed dementia (7.2% per year). When confirming individual variables, 5/8 were significantly associated with dementia in the validation cohort. These included age, male sex, baseline RBD, orthostatic hypotension, and MCI. Bilateral onset, hallucinations and falls/freezing did not significantly predict dementia; however, point estimates of OR were all >1...
November 30, 2016: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27893564/instrumented-test-of-sensory-integration-for-balance-a-validation-study
#3
Lynn Freeman, Geetanjali Gera, Fay B Horak, Mary T Blackinton, Mark Besch, Laurie King
BACKGROUND AND PURPOSE: Abnormal postural sway is associated with an increase in risk of falls but is difficult for clinicians to accurately quantify without access to laboratory equipment. Instrumenting clinical outcome measures using body-worn movement monitors is a low-cost alternative. This is the first study to compare the modified Clinical Test of Sensory Integration for Balance (i-mCTSIB) to the laboratory test of the Sensory Organization Test (SOT) with dynamic posturography in a group of participants with Parkinson's disease (PD) and subtle balance limitations...
November 23, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27889925/deletion-of-the-vesicular-acetylcholine-transporter-from-pedunculopontine-laterodorsal-tegmental-neurons-modifies-gait
#4
Helena Janickova, Kaie Rosborough, Mohammed Al-Onaizi, Ornela Kljakic, Monica S Guzman, Robert Gros, Marco A M Prado, Vania F Prado
Postural instability and gait disturbances, common disabilities in the elderly and frequently present in Parkinson's disease (PD), have been suggested to be related to dysfunctional cholinergic signalling in the brainstem. We investigated how long-term loss of cholinergic signalling from mesopontine nuclei influence motor behaviours. We selectively eliminated the vesicular acetylcholine transporter (VAChT) in pedunculopontine and laterodorsal tegmental nuclei cholinergic neurons to generate mice with selective mesopontine cholinergic deficiency (VAChT(E)(n1-Cre-flox/flox) )...
November 27, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27887896/comorbid-parkinson-s-disease-falls-and-fractures-in-the-2010-national-emergency-department-sample
#5
Hind A Beydoun, May A Beydoun, Nishant K Mishra, Ola S Rostant, Alan B Zonderman, Shaker M Eid
INTRODUCTION: Parkinson's disease (PD) is a progressive, neurodegenerative disorder of multifactorial etiology affecting ∼1% of older adults. Research focused on linking PD to falls and bone fractures has been limited in Emergency Department (ED) settings, where most injuries are identified. We assessed whether injured U.S. ED admissions with PD diagnoses were more likely to exhibit comorbid fall- or non-fall related bone fractures and whether a PD diagnosis with a concomitant fall or bone fracture is linked to worse prognosis...
November 19, 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/27883986/a-model-of-free-living-gait-a-factor-analysis-in-parkinson-s-disease
#6
Rosie Morris, Aodhán Hickey, Silvia Del Din, Alan Godfrey, Sue Lord, Lynn Rochester
INTRODUCTION: Gait is a marker of global health, cognition and falls risk. Gait is complex, comprised of multiple characteristics sensitive to survival, age and pathology. Due to covariance amongst characteristics, conceptual gait models have been established to reduce redundancy and aid interpretation. Previous models have been derived from laboratory gait assessments which are costly in equipment and time. Body-worn monitors (BWM) allow for free-living, low-cost and continuous gait measurement and produce similar covariant gait characteristics...
November 16, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27876560/subcutaneous-rotenone-rat-model-of-parkinson-s-disease-dose-exploration-study
#7
Zhen-Nian Zhang, Jing-Si Zhang, Jun Xiang, Zhong-Hai Yu, Wen Zhang, Min Cai, Xiang-Ting Li, Ting Wu, Wen-Wei Li, Ding-Fang Cai
Subcutaneous administration of rotenone has recently attracted attention because of its convenience, simplicity and efficacy in replicating features of Parkinson's disease (PD) in animal models. However, the wide range of doses reported in the literature makes it difficult to evaluate the effectiveness of this technique objectively. The aim of the present study was to identify the optimum dose of subcutaneous rotenone for establishing a model of PD. We injected male Wistar rats subcutaneously with one of three doses of rotenone (1...
November 19, 2016: Brain Research
https://www.readbyqxmd.com/read/27866086/the-role-of-postural-instability-gait-difficulty-and-fear-of-falling-in-predicting-falls-in-non-demented-older-adults
#8
Gilles Allali, Emmeline I Ayers, Roee Holtzer, Joe Verghese
INTRODUCTION: Postural instability/gait difficulty (PIGD) and fear of falling (FoF) frequently co-exist, but their individual predictive values for falls have not been compared in aging. This study aims to determine both independent and combined effect of PIGD and FoF to falls in older adults without dementia. METHODS: PIGD and other extrapyramidal signs were systematically assessed in 449 community-dwelling participants without Parkinson's disease (76.48±6.61 ys; 56...
November 13, 2016: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27863279/evidence-of-compensatory-joint-kinetics-during-stair-ascent-and-descent-in-parkinson-s-disease
#9
Zachary J Conway, Peter A Silburn, Tim Blackmore, Michael H Cole
BACKGROUND: Stair ambulation is a challenging activity of daily life that requires larger joint moments than walking. Stabilisation of the body and prevention of lower limb collapse during this task depends upon adequately-sized hip, knee and ankle extensor moments. However, people with Parkinson's disease (PD) often present with strength deficits that may impair their capacity to control the lower limbs and ultimately increase their falls risk. OBJECTIVE: To investigate hip, knee and ankle joint moments during stair ascent and descent and determine the contribution of these joints to the body's support in people with PD...
November 9, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27859651/sustained-striatal-dopamine-levels-following-intestinal-levodopa-infusions-in-parkinson-s-disease-patients
#10
Marios Politis, Anna Sauerbier, Clare Loane, Nicola Pavese, Anne Martin, Benjamin Corcoran, David J Brooks, K Ray-Chaudhuri, Paola Piccini
BACKGROUND: The objective of this study was to investigate in vivo the ability of levodopa/carbidopa intestinal gel infusions to produce sustained striatal dopamine levels and to improve clinical outcomes in Parkinson's disease patients. METHODS: Six advanced Parkinson's disease patients had serial [(11) C]raclopride PET to assess levodopa/carbidopa intestinal gel infusion-induced rises in striatal dopamine as reflected by a fall in dopamine-D2/3 receptor availability...
November 17, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27814308/dance-therapy-improves-motor-and-cognitive-functions-in-patients-with-parkinson-s-disease
#11
Edoardo Rosario de Natale, Kai Stephan Paulus, Elena Aiello, Battistina Sanna, Andrea Manca, Giovanni Sotgiu, Paolo Tranquilli Leali, Franca Deriu
OBJECTIVE: To explore the effects of Dance Therapy (DT) and Traditional Rehabilitation (TR) on both motor and cognitive domains in Parkinson's Disease patients (PD) with postural instability. METHODS: Sixteen PD patients with recent history of falls were divided in two groups (Dance Therapy, DT and Traditional Rehabilitation, TR); nine patients received 1-hour DT classes twice per week, completing 20 lessons within 10 weeks; seven patients received a similar cycle of 20 group sessions of 60 minutes TR...
October 31, 2016: NeuroRehabilitation
https://www.readbyqxmd.com/read/27813155/risk-and-prevention-of-fracture-in-patients-with-major-medical-illnesses-a-mini-review
#12
Steven R Cummings, Richard Eastell
Patients with several medical conditions, including Parkinson's disease, recent stroke, HIV, and heart failure, have a high risk of hip fracture. These patients will also have more severe consequences of a hip fracture, including a greater chance of dying and more prolonged disability. Together, there are nearly as many patients with medical conditions that substantially increase the risk of hip fracture as there are people with osteoporosis by femoral neck bone mineral density (BMD). The contributions of falling and decreased bone mass to the increased risks with these conditions are not certain...
December 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27807182/sleep-problems-and-hypothalamic-dopamine-d3-receptor-availability-in-parkinson-disease
#13
Gennaro Pagano, Sophie Molloy, Peter G Bain, Eugenii A Rabiner, K Ray Chaudhuri, David J Brooks, Nicola Pavese
OBJECTIVE: To investigate the relationship between hypothalamic D3 dopamine receptor availability and severity of sleep problems in Parkinson disease (PD). METHODS: Twelve patients were assessed with PET and the high-affinity dopamine D3 receptor radioligand [(11)C]-propyl-hexahydro-naphtho-oxazin ([(11)C]-PHNO). Severity of sleep problems was rated with appropriate subitems of the Unified Parkinson's Disease Rating Scale part I (patient questionnaire) and the Epworth Sleepiness Scale...
November 2, 2016: Neurology
https://www.readbyqxmd.com/read/27805924/reliability-and-minimal-detectable-change-for-sit-to-stand-tests-and-the-functional-gait-assessment-for-individuals-with-parkinson-disease
#14
Cheryl Petersen, Teresa Steffen, Elizabeth Paly, Leah Dvorak, Reid Nelson
BACKGROUND AND PURPOSE: This study examined test-retest relative (intraclass correlation coefficient [ICC]) and absolute (minimum detectable change [MDC]) reliabilities for the 5 times sit-to-stand (5×STS), 30-second sit-to-stand (30sSTS), and the functional gait assessment (FGA) tests in people with Parkinson disease (PD). In addition, correlation of these functional tests with a history of falls was examined over a 6-month period, and the internal consistency of the FGA was established...
November 1, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27789382/effects-of-sesamin-on-motor-and-memory-deficits-in-an-mptp-lesioned-mouse-model-of-parkinson-s-disease-treated-with-l-dopa
#15
T T Zhao, K S Shin, K S Kim, H J Park, H J Kim, K E Lee, M K Lee
The present study investigated the effects of (-)-sesamin on motor and memory deficits in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse model of Parkinson's disease (PD) with l-3,4-dihydroxyphenylalanine (l-DOPA). MPTP-lesioned (30mg/kg/day, 5days) mice showed deficits in memory including habit learning memory and spatial memory, which were further aggravated by daily treatment with 25mg/kg l-DOPA for 21days. However, daily treatment with (-)-sesamin (25 and 50mg/kg) for 21days ameliorated memory deficits in an MPTP-lesioned mouse model of PD treated with l-DOPA (25mg/kg)...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27781138/depressive-symptoms-associated-with-concerns-about-falling-in%C3%A2-parkinson-s-disease
#16
Erika Franzén, David Conradsson, Maria Hagströmer, Maria H Nilsson
BACKGROUND: Concerns about falling, a construct related to fear of falling, is increased in people with Parkinson's disease (PD) and is recognized as a barrier for exercise, negatively affecting health-related quality of life and participation. AIM: To investigate modifiable factors associated with concerns about falling in elderly with mild-to-moderate PD. METHODS: Eighty-nine elderly (39 females, mean age 73 years) with mild-to-moderate PD were recruited...
October 2016: Brain and Behavior
https://www.readbyqxmd.com/read/27774273/reversible-transition-from-a-hypertrophic-to-a-dilated-cardiomyopathy
#17
Frank Spillmann, Uwe Kühl, Sophie Van Linthout, Fernando Dominguez, Felicitas Escher, Heinz-Peter Schultheiss, Burkert Pieske, Carsten Tschöpe
We report the case of a 17-year-old female patient with known hypertrophic cardiomyopathy and a Wolff-Parkinson-White syndrome. She came to our department for further evaluation of a new diagnosed dilated cardiomyopathy characterized by an enlargement of the left ventricle and a fall in ejection fraction. Clinically, she complained about atypical chest pain, arrhythmic episodes with presyncopal events, and dyspnea (NYHA III) during the last 6 months. Non-invasive and invasive examinations including magnetic resonance imaging, electrophysiological examinations, and angiography did not lead to a conclusive diagnosis...
June 2016: ESC Heart Failure
https://www.readbyqxmd.com/read/27770207/gait-disorders-in-adults-and-the-elderly-a%C3%A2-clinical-guide
#18
Walter Pirker, Regina Katzenschlager
Human gait depends on a complex interplay of major parts of the nervous, musculoskeletal and cardiorespiratory systems. The individual gait pattern is influenced by age, personality, mood and sociocultural factors. The preferred walking speed in older adults is a sensitive marker of general health and survival. Safe walking requires intact cognition and executive control. Gait disorders lead to a loss of personal freedom, falls and injuries and result in a marked reduction in the quality of life. Acute onset of a gait disorder may indicate a cerebrovascular or other acute lesion in the nervous system but also systemic diseases or adverse effects of medication, in particular polypharmacy including sedatives...
October 21, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27765693/a-pilot-study-to-evaluate-multi-dimensional-effects-of-dance-for-people-with-parkinson-s-disease
#19
Maria I Ventura, Deborah E Barnes, Jessica M Ross, Kimberly E Lanni, Karen A Sigvardt, Elizabeth A Disbrow
Parkinson's disease (PD) is a progressive neurodegenerative disease associated with deficits in motor, cognitive, and emotion/quality of life (QOL) domains, yet most pharmacologic and behavioral interventions focus only on motor function. Our goal was to perform a pilot study of Dance for Parkinson's-a community-based program that is growing in popularity-in order to compare effect sizes across multiple outcomes and to inform selection of primary and secondary outcomes for a larger trial. Study participants were people with PD who self-enrolled in either Dance for Parkinson's classes (intervention group, N=8) or PD support groups (control group, N=7)...
November 2016: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27759893/addition-of-a-virtual-reality-component-to-treadmill-training-to-reduce-fall-risk-in-older-adults-including-individuals-with-parkinson-s-disease
#20
Daniel Tarsy
No abstract text is available yet for this article.
October 19, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
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