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falls risk

Kathryn H Hrinkevich, Robert A Progar, David C Shaw
The balsam woolly adelgid (Adelges piceae (Ratzeburg) (Homoptera: Adelgidae)) (BWA) is a nonnative, invasive insect that threatens Abies species throughout North America. It is well established in the Pacific Northwest, but continues to move eastward through Idaho and into Montana and potentially threatens subalpine fir to the south in the central and southern Rocky Mountains. We developed a climatic risk model and map that predicts BWA impacts to subalpine fir using a two-step process. Using 30-year monthly climate normals from sites with quantitatively derived BWA damage severity index values, we built a regression model that significantly explained insect damage...
2016: PloS One
Monica Chahal-Kummen, Trond-Eirik Strand, Jan Ove Owe, Eigil Gulliksen, Anthony S Wagstaff
BACKGROUND: A candidate with paraplegia contacted the Institute of Aviation Medicine, Oslo, requesting a medical examination and medical certification for flying back seat on an F-16 Fighting Falcon. Thorough aeromedical examinations, including specialist evaluations, were initiated for the final decision to be made. CASE REPORT: Almost 13 yr earlier the candidate had acquired spinal cord damage at neurological level L1 after falling 4 m (13 ft) from out of a window...
2016: Aerospace Medicine and Human Performance
Jan Liliemark, Lars Lööf, Gustaf Befrits, Stefan Back, Lars Sandman
The County Council's board for new therapies (the NT Council) provides recommendations on the use of new drugs based on the ethical platform of priorities, founded by the Swedish parliament. The Council has formulated a policy that interprets the parliamentary ethical platform and operationalize its need and solidarity principle and cost effectiveness principle in four dimensions. The NT Council weighs the health economic evaluation of the drug and the four dimensions: the severity of the condition, the rarity of the condition, the effect size and the data reliability to determine the willingness to pay level and whether the platform allows a recommendation for using of the drug...
October 18, 2016: Läkartidningen
Doug MacNearney, Karine Pigeon, Gordon Stenhouse, Wiebe Nijland, Nicholas C Coops, Laura Finnegan
Anthropogenic landscape change (i.e., disturbance) is recognized as an important factor in the decline and extirpation of wildlife populations. Understanding and monitoring the relationship between wildlife distribution and disturbance is necessary for effective conservation planning. Many studies consider disturbance as a covariate explaining wildlife behavior. However, we propose that there are several advantages to considering the spatial relationship between disturbance and wildlife directly using utilization distributions (UDs), including objective assessment of the spatially explicit overlap between wildlife and disturbance, and the ability to track trends in this relationship over time...
September 2016: Ecology and Evolution
Kenneth Poole, Linda Skingle, Andrew Gee, Thomas Turmezei, Fjola Johannesdottir, Karen Blesic, Collette Rose, Madhavi Vindlacheruvu, Simon Donell, Jan Vaculik, Pavel Dungl, Martin Horak, Jan Stepan, Jonathan Reeve, Graham Treece
BACKGROUND: Hip fractures are mainly caused by accidental falls and trips, which magnify forces in well-defined areas of the proximal femur. Unfortunately, the same areas are at risk of rapid bone loss with ageing, since they are relatively stress-shielded during walking and sitting. Focal osteoporosis in those areas may contribute to fracture, and targeted 3D measurements might enhance hip fracture prediction. In the FEMCO case-control clinical study, Cortical Bone Mapping (CBM) was applied to clinical computed tomography (CT) scans to define 3D cortical and trabecular bone defects in patients with acute hip fracture compared to controls...
October 21, 2016: Bone
Sheryl Zimmerman, Angela Greene, Philip D Sloane, Madeline Mitchell, Carol Giuliani, Kirsten Nyrop, Edith Walsh
Residents of assisted living (AL) communities are at high risk for falls, which result in negative outcomes and high health care costs. Adapting effective falls prevention programs for AL quality improvement (QI) has the potential to reduce falls, improve resident quality of life, and reduce costs. This project tested the feasibility and outcomes of an evidence-based multi-component QI program, the Assisted Living Falls Prevention and Monitoring Program (AL-FPMP). Resident posture and gait improved, likely due to exercise and/or physical therapy...
October 21, 2016: Geriatric Nursing
Christopher Goldring, Daniel J Antoine, Frank Bonner, Jonathan Crozier, Chris Denning, Robert J Fontana, Neil A Hanley, David C Hay, Magnus Ingelman-Sundberg, Satu Juhila, Neil Kitteringham, Beatriz Silva-Lima, Alan Norris, Chris Pridgeon, James A Ross, Rowena Sison Young, Danilo Tagle, Belen Tornesi, Bob van de Water, Richard J Weaver, Fang Zhang, B Kevin Park
Current preclinical drug testing does not predict some forms of adverse drug reactions in humans. Efforts at improving predictability of drug-induced tissue injury in humans include using stem cell technology to generate human cells for screening for adverse effects of drugs in humans. The advent of induced pluripotent stem cells means that it may ultimately be possible to develop personalised toxicology to determine inter-individual susceptibility to adverse drug reactions. However, the complexity of idiosyncratic drug-induced liver injury (DILI) means that no current single cell model, whether of primary liver tissue origin, from liver cell lines, or derived from stem cells, adequately emulates what is believed to occur during human DILI...
October 24, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
Jihyun Yoon, In Hwan Oh, Hyeyoung Seo, Eun Jung Kim, Young Hoon Gong, Minsu Ock, Dohee Lim, Won Kyung Lee, Ye Rin Lee, Dongwoo Kim, Min Woo Jo, Hyesook Park, Seok Jun Yoon
This study is part of a 5-year research project on the national burden of diseases, injuries, and risk factors in Korea. Using disability-adjusted life years (DALYs), a metric introduced by the 1990 Global Burden of Disease (GBD) project, we performed a comprehensive and detailed assessment of the magnitude and distribution of both fatal and non-fatal health problems in the Korean population. The concept and general approach were consistent with the original GBD study, with some methodological modifications to make the study more suitable for Korea...
November 2016: Journal of Korean Medical Science
Holger Möller, Kathleen Falster, Rebecca Ivers, Michael O Falster, Kathleen Clapham, Louisa Jorm
OBJECTIVE: To describe the leading mechanisms of hospitalised unintentional injury in Australian Aboriginal children and identify the injury mechanisms with the largest inequalities between Aboriginal and non-Aboriginal children. METHODS: We used linked hospital and mortality data to construct a whole of population birth cohort including 1,124,717 children (1,088,645 non-Aboriginal and 35,749 Aboriginal) born in the state of New South Wales (NSW), Australia, between 1 July 2000 and 31 December 2012...
October 23, 2016: Australian and New Zealand Journal of Public Health
Caroline Lukaszyk, Lara Harvey, Cathie Sherrington, Lisa Keay, Anne Tiedemann, Julieann Coombes, Lindy Clemson, Rebecca Ivers
OBJECTIVE: To examine the risk factors, incidence, consequences and existing prevention strategies for falls and fall-related injury in older indigenous people. METHODS: Relevant literature was identified through searching 14 electronic databases, a range of institutional websites, online search engines and government databases, using search terms pertaining to indigenous status, injury and ageing. RESULTS: Thirteen studies from Australia, the United States, Central America and Canada were identified...
October 23, 2016: Australian and New Zealand Journal of Public Health
L A Peterson, J K Canner, L J Cheskin, G P Prokopowicz, M A Schweitzer, T H Magnuson, K E Steele
OBJECTIVE: To investigate the association between adverse surgical outcomes following bariatric surgery and proxy measures of vitamin D (VitD) status (season and latitude) in the Nationwide Inpatient Sample (NIS). BACKGROUND: Obesity is an independent risk factor for VitD deficiency (25(OH)D < 20 ng ml(-1)). VitD deficiency compounds the chronic inflammation of obesity, increasing the risk of adverse outcomes following bariatric surgery. Epidemiology has long used season and latitude as proxies for group VitD, as VitD status is largely determined by sun exposure, which is greatest during summer and at the Equator...
December 2015: Obesity Science & Practice
Xiu-Li Yang, Yerim Kim, Tae Jung Kim, Seunguk Jung, Chi Kyung Kim, Seung-Hoon Lee
BACKGROUND: Although high uric acid levels have been reported to be a risk factor for cardiovascular disease and stroke, the relationship between serum uric acid (SUA) levels and cardioembolic stroke (CES) has not been fully elucidated. In this study, we sought to investigate the relationship between the risk of CES and SUA levels. We hypothesized that SUA concentrations are associated with CES. METHODS: We retrospectively analyzed 2350 patients with acute ischemic stroke who were admitted to the Seoul National University Hospital between 2002 and 2010...
November 15, 2016: Journal of the Neurological Sciences
Maha M Wahdan, Amany M Sayed, Khaled M Abd Elaziz, Mostafa M El-Hoseiny, Mohamed M Al-Gwaily
BACKGROUND: Injury is the leading cause of death and long term disability and a significant contributor to healthcare costs among children worldwide especially those aged 15-19 years. OBJECTIVES: To determine the prevalence of injuries among secondary school students in Cairo, Egypt and to explore the associated risk factors for sustaining injury. METHODOLOGY: A Cross-sectional study was conducted on secondary school students in eastern and western part of Cairo; self-administered questionnaire was used for assessing injuries sustained in previous 12 months and the associated risk factors for injury...
September 12, 2016: Injury
Zishaan Farooqui, Kelly M Bakulski, Melinda C Power, Marc G Weisskopf, David Sparrow, Avron Spiro, Pantel S Vokonas, Linda H Nie, Howard Hu, Sung Kyun Park
BACKGROUND: Lead (Pb) exposure has been associated with poorer cognitive function cross-sectionally in aging adults, however the association between cumulative Pb exposure and longitudinal changes in cognition is little characterized. METHODS: In a 1993-2007 subcohort of the VA Normative Aging Study (Mini-mental status exam (MMSE) n=741; global cognition summary score n=715), we used linear mixed effects models to test associations between cumulative Pb exposure (patella or tibia bone Pb) and repeated measures of cognition (MMSE, individual cognitive tests, and global cognition summary)...
October 19, 2016: Environmental Research
Cees de Baat, Paul de Baat, Anneloes E Gerritsen, Karien A Flohil, Gert-Jan van der Putten, Claar D van der Maarel-Wierink
One-third of community-dwelling people older than 65 years of age fall each year, and half of them fall at least twice a year. Older care home residents are approximately three times more likely to fall when compared to community-dwelling older people. Risk indicators for falls are related to the older people's body, environment, behavior, and activities. An important health risk indicator is (orthostatic or postprandial) hypotension, which may induce cerebral hypoperfusion. Although the majority of falls remain without major consequences, 10% to 25% of falls in care homes result in bodily trauma...
October 22, 2016: Special Care in Dentistry
Angela Brenton-Rule, Nicola Dalbeth, Hylton B Menz, Sandra Bassett, Keith Rome
OBJECTIVE: To determine whether foot and ankle characteristics are associated with falls in people with rheumatoid arthritis (RA). METHODS: Two hundred and one adults with RA were recruited from rheumatology outpatient clinics in Auckland, New Zealand. Clinical characteristics, common fall risk factors, and foot and ankle variables were measured. Participants were prospectively studied for 12 months, to record the occurrence of falls using falls diaries. Logistic regression analysis identified baseline variables which were independent predictors of falls over the 12 months...
October 21, 2016: Arthritis Care & Research
Christoph Nowak, Samira Salihovic, Andrea Ganna, Stefan Brandmaier, Taru Tukiainen, Corey D Broeckling, Patrik K Magnusson, Jessica E Prenni, Rui Wang-Sattler, Annette Peters, Konstantin Strauch, Thomas Meitinger, Vilmantas Giedraitis, Johan Ärnlöv, Christian Berne, Christian Gieger, Samuli Ripatti, Lars Lind, Nancy L Pedersen, Johan Sundström, Erik Ingelsson, Tove Fall
Insulin resistance (IR) and impaired insulin secretion contribute to type 2 diabetes and cardiovascular disease. Both are associated with changes in the circulating metabolome, but causal directions have been difficult to disentangle. We combined untargeted plasma metabolomics by liquid chromatography/mass spectrometry in three non-diabetic cohorts with Mendelian Randomization (MR) analysis to obtain new insights into early metabolic alterations in IR and impaired insulin secretion. In up to 910 elderly men we found associations of 52 metabolites with hyperinsulinemic-euglycemic clamp-measured IR and/or β-cell responsiveness (disposition index) during an oral glucose tolerance test...
October 2016: PLoS Genetics
Deanna Gray-Miceli, Sarah J Ratcliffe, Arwin Thomasson, Patricia Quigley, Kang Li, William Craelius
BACKGROUND: Patients at greatest risk for fall-related injuries are older adults with orthostatic hypotension (OH), a condition which drops blood pressure. This study sought to determine salient demographic and patient-level factors increasing risk for OH among a sample of elderly fallers. METHODS: Data analysis for this retrospective study sought to assess the relationship between various demographic and clinical risk factors and the likelihood of OH. Because fallers could experience multiple falls, generalized estimating equations were used to account for patient-level correlations...
October 20, 2016: Journal of Patient Safety
Marcio Jose Dos Santos, Renato Claudino, Giovana Zarpellon Mazzo
The goal of this study was to investigate the timing of compensatory postural adjustments (CPAs) in older adults during body perturbations in the mediolateral direction, circumstances that increase their risk of falls. The latencies of leg and trunk muscle activation to body perturbations at the shoulder level and variables of center of pressure (COP) excursion, which characterize postural stability, were analyzed in 40 older adults (non-fallers and fallers evenly split) and in 20 young participants. The older adults exhibited longer latencies of muscular activation in 8 out of 15 postural muscles as compared to young participants; for three muscles, the latencies were longer for the older fallers than non-fallers...
October 21, 2016: Motor Control
Herlander Marques, José Freitas, Rui Medeiros, Adhemar Longatto-Filho
Genetic variability in humans can explain many differences in disease risk factors. Polymorphism-related studies focus mainly on the single nucleotide polymorphisms (SNPs) of coding regions of the genes. SNPs on DNA binding motifs of the promoter region have been less explored. On a recent study of SNPs in patients with non-Hodgkin lymphomas we faced the problem of SNP selection from promoter regions and developed a practical methodology for clinical studies. The process consists in identifying SNPs in the coding and promoter regions of the antigen-processing system using the 'dbSNP' database...
2016: International Journal of Molecular Epidemiology and Genetics
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