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  • 1. Alexandersson, Maria
    et al.
    Wang, Eugen Yuhui
    Eriksson, Staffan
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Section of Physiotherapy. Centre for Clinical Research Sörmland, Uppsala University, Kungsgatan 41, 631 88 Eskilstuna, Sweden; Department of Neuroscience, Physiotherapy, Uppsala University, Box 593, 751 24 Uppsala, Sweden.
    A small difference in recovery between total knee arthroplasty with and without tourniquet use the first 3 months after surgery: a randomized controlled study2019In: Knee Surgery, Sports Traumatology, Arthroscopy, ISSN 0942-2056, E-ISSN 1433-7347, Vol. 27, no 4, p. 1035-1042Article in journal (Refereed)
    Abstract [en]

    Purpose: When a tourniquet is used during surgery on the extremities, the pressure applied to the muscles, nerves and blood vessels can cause neuromuscular damage that contributes to postoperative weakness. The hypothesis was that the rehabilitation-related results would be improved if total knee arthroplasty (TKA) is performed without the use of a tourniquet.

    Methods: 81 patients with osteoarthritis of the knee who underwent TKA surgery were randomized to surgery with or without tourniquet. Active flexion and extension of the knee, pain by visual analog scale (VAS), swelling by knee circumference, quadriceps function by straight leg raise, and timed up and go (TUG) test results were measured before and up to 3 months after surgery.

    Results: ANCOVA revealed no between-groups effect for flexion of the knee at day 3 postsurgery. Compared with the tourniquet group, the nontourniquet group experienced elevated pain at 24 h, with a mean difference of 16.6 mm, p = 0.005. The effect on mobility (TUG test) at 3 months was better in the nontourniquet group, with a mean difference of -1.1 s, p = 0.029.

    Conclusions: The hypothesis that the rehabilitation-related results would be improved without a tourniquet is not supported by the results. When the results in this study for surgery performed with and without tourniquet are compared, no clear benefit for either procedure was observed, as the more pain exhibited by the nontourniquet group was only evident for a short period and the improved mobility in this group was not at a clinically relevant level.

    Level of evidence: Inconsistent results, Level II.

  • 2. Arkkukangas, Marina
    et al.
    Sundler, Annelie J.
    Soderlund, Anne
    Eriksson, Staffan
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Centre for Clinical Research Sörmland, Uppsala University, Eskilstuna, Sweden; Department of Neuroscience, Physiotherapy, Uppsala University, Uppsala, Sweden.
    Johansson, Ann-Christin
    Older persons' experiences of a home-based exercise program with behavioral change support2017In: Physiotherapy Theory and Practice, ISSN 0959-3985, E-ISSN 1532-5040, Vol. 33, no 12, p. 905-913Article in journal (Refereed)
    Abstract [en]

    Background: It is a challenge to promote exercise among older persons. Knowledge is needed regarding the maintenance of exercise aiming at preventing falls and promoting health and well-being in older persons.

    Purpose: This descriptive study used a qualitative inductive approach to describe older persons' experiences of a fall-preventive, home-based exercise program with support for behavioral change.

    Methods: Semi-structured interviews were conducted with 12 elderly persons aged 75years or older, and a qualitative content analysis was performed.

    Results: Four categories emerged: facilitators of performing exercise in everyday life, the importance of support, perceived gains from exercise, and the existential aspects of exercise.

    Conclusion: With support from physiotherapists (PTs), home-based exercise can be adapted to individual circumstances in a meaningful way. Including exercises in everyday life and daily routines could support the experience of being stronger, result in better physical functioning, and give hope for an extended active life in old age.

  • 3. Arkkukangas, Marina
    et al.
    Söderlund, Anne
    Eriksson, Staffan
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Uppsala Univ, Ctr Clin Res Sormland, Eskilstuna, Sweden; Uppsala Univ, Dept Neurosci, Physiotherapy, Sweden.
    Johansson, Ann-Christin
    One-year adherence to the Otago Exercise Program with or without motivational interviewing in community-dwelling older adults2018In: Journal of Aging and Physical Activity, ISSN 1063-8652, E-ISSN 1543-267X, Vol. 26, no 3, p. 390-395Article in journal (Refereed)
    Abstract [en]

    This study investigated if behavioral factors, treatment with behavioral support, readiness to change, fall self-efficacy, and activity habits could predict long-term adherence to an exercise program. Included in this study were 114 community-dwelling older adults who had participated in one of two home-based exercise interventions. Behavioral factors associated with adherence to the exercise program over 52 weeks were analyzed. The behavioral factors, specifically activity habits at baseline, significantly predicted adherence to the exercise program, with an odds ratio = 3.39, 95% confidence interval [1.38, 8.32], for exercise and an odds ratio = 6.11, 95% confidence interval [2.34, 15.94], for walks. Being allocated to a specific treatment including motivational interviewing was also significantly predictive: odds ratio = 2.47, 95% confidence interval [1.11, 5.49] for exercise adherence. In conclusion, activity habits and exercise in combination with motivational interviewing had a significant association with adherence to the exercise program at a 1-year follow-up.

  • 4.
    Eriksson, Staffan
    et al.
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Gustafson, Yngve
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Lundin-Olsson, Lillemor
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
    Risk factors for falls in people with and without a diagnosis of dementia living in residential care facilities: a prospective study2008In: Archives of gerontology and geriatrics (Print), ISSN 0167-4943, E-ISSN 1872-6976, Vol. 46, no 3, p. 293-306Article in journal (Refereed)
    Abstract [en]

    People with dementia are at increased risk of falling. The purpose of this study was to identify predisposing risk factors for falls in older people with and without a diagnose of dementia living in residential care facilities, and to compare the results. Eighty-three residents without dementia (mean age ± S.D.; 83.5 ± 7.1 years) and 103 with dementia (83.6 ± 6.3 years) in Umeå, Sweden, participated. The baseline assessment included probable risk factors like walking ability, diagnoses and treatment with drugs. The follow-up period was 6 months. In people with dementia, the fall rate was higher (crude incidence rate ratio 2.55, 95% CI 1.60–4.08) and a larger proportion experienced falls (62% versus 41%). In the group without dementia 54.8% of the variation in falls was explained by a model including orthostatism, “women walking with aid”, and treatment with Angiotensin Converting Enzyme (ACE) inhibitors. In the group with dementia 25.5% of the variation in falls was explained by a model including “man walking with aid”. Our results show that with the same set of common risk factors for falls a considerably lower proportion of the variation in falls can be explained in the group of people with dementia.

  • 5.
    Eriksson, Staffan
    et al.
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Lundquist, Anders
    Umeå University, Faculty of Science and Technology, Department of Mathematics and Mathematical Statistics.
    Gustafson, Yngve
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Lundin-Olsson, Lillemor
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
    Comparison of three statistical methods for analysis of fall predictors in people with dementia: negative binomial regression (NBR), regression tree (RT), and partial least squares regression (PLSR)2009In: Archives of gerontology and geriatrics (Print), ISSN 0167-4943, E-ISSN 1872-6976, Vol. 49, no 3, p. 383-389Article in journal (Refereed)
    Abstract [en]

    Searching for background factors associated with falls in people with dementia is difficult because the population is heterogeneous. The aim of this study was to compare the efficacies of three statistical methods for analysis of fall predictors in people with dementia. NBR, RT and PLSR analyses were compared. Data used for the comparison were from a prospective cohort study of 192 patients at a psychogeriatric ward, specializing in patients with cognitive impairment and related behavioral and psychological symptoms. Seventy-eight of these patients fell a total of 238 times. PLSR and RT analyses are directed at finding patterns among predictor variables related to outcome, whereas an NBR model is directed at finding predictor variables that, independent of other variables, are related to the outcome. The NBR analysis explained an additional 10–15% variation compared with the PLSR and RT analyses. The results of PLSR and RT show a similar plausible pattern of predictor variables. However, none of these techniques appears to be sufficient in itself. In order to gain patterns of explanatory variables, RT would be a good complement to NBR for analysis of fall predictors.

  • 6.
    Eriksson, Staffan
    et al.
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Strandberg, Sofie
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Gustafson, Yngve
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Lundin-Olsson, Lillemor
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
    Circumstances surrounding falls in patients with dementia in a psychogeriatric ward2009In: Archives of gerontology and geriatrics (Print), ISSN 0167-4943, E-ISSN 1872-6976, Vol. 49, no 1, p. 80-87Article in journal (Refereed)
    Abstract [en]

    People with dementia have an increased risk of falling. Predisposing factors explain only a small part of the variation in falls among people with dementia. The purpose of this study was to explore circumstances that are hazardous regarding falls among people with dementia at a psychogeriatric ward. The study comprised 191 participants of whom seventy-five fell a total of 229 times. Prospective data were collected on falls. Hazardous circumstances were calculated in two ways. Firstly possible differences between day/night falls and women/men falls were calculated based on the 229 falls. Secondly time to first fall was used to estimate hazardous circumstances and was based on 75 falls. This study shows a fall rate that was equally high during the night and the day. The proportion of diurnal rhythm disturbances and activity disturbances was higher for falls at night than for falls during the day. Circumstances associated with an increased risk of falls, as shown by a short time to first fall, were anxiety, darkness, not wearing any shoes and, for women, urinary tract infection. All of these are circumstances that should be considered in future fall-related research among people with dementia.

  • 7. Karjala, Jaana
    et al.
    Eriksson, Staffan
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy. Centre for Clinical Research Sörmland, Uppsala University, Sweden; Department of Neuroscience, Physiotherapy, Uppsala University, Sweden.
    Inter-rater reliability between nurses for a new paediatric triage system based primarily on vital parameters: the Paediatric Triage Instrument (PETI)2017In: BMJ Open, ISSN 2044-6055, E-ISSN 2044-6055, Vol. 7, no 2, article id e012748Article in journal (Refereed)
    Abstract [en]

    Introduction: The major paediatric triage systems are primarily based on flow charts involving signs and symptoms for orientation and subjective estimates of the patient's condition. In contrast, the 4-level Paediatric Triage Instrument (PETI) is primarily based on vital parameters and was developed exclusively for paediatric triage in patients with medical symptoms. The aim of this study was to assess the inter-rater reliability of this triage system in children when used by nurses.

    Methods: A design was employed in which triage was performed simultaneously and independently by a research nurse and an emergency department (ED) nurse using the PETI. All patients aged <= 12 years who presented at the ED with a medical symptom were considered eligible for participation.

    Results: The 89 participants exhibited a median age of 2 years and were triaged by 28 different nurses. The inter-rater reliability between nurses calculated with the quadratic-weighted kappa was 0.78 (95% CI 0.67 to 0.89); the linear-weighted kappa was 0.67 (95% CI 0.56 to 0.80) and the unweighted kappa was 0.59 (95% CI 0.44 to 0.73). For the patients aged <1, 1-3 and >3 years, the quadratic-weighted kappa values were 0.67 (95% CI 0.39 to 0.94), 0.86 (95% CI 0.75 to 0.97) and 0.73 (95% CI 0.49 to 0.97), respectively. The median triage duration was 6 min.

    Conclusions: The PETI exhibited substantial reliability when used in children aged <= 12 years and almost perfect reliability among children aged 1-3 years. Moreover, rapid application of the PETI was demonstrated. This study has some limitations, including sample size and generalisability, but the PETI exhibited promise regarding reliability, and the next step could be either a larger reliability study or a validation study.

  • 8.
    Sondell, Björn
    et al.
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
    Nyberg, Lars
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
    Eriksson, Staffan
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
    Engström, Björn
    Umeå University, Faculty of Science and Technology, Department of Computing Science.
    Backman, Anders
    Umeå University, Faculty of Science and Technology, Department of Computing Science.
    Holmlund, Kenneth
    Umeå University, Faculty of Science and Technology, Department of Computing Science.
    Bucht, Gösta
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
    Lundin-Olsson, Lillemor
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation.
    Altered walking pattern in a virtual environment2005In: Presence - Teleoperators and Virtual Environments, ISSN 1054-7460, E-ISSN 1531-3263, Vol. 14, no 2, p. 191-197Article in journal (Refereed)
    Abstract [en]

    Falls and fractures among elderly persons constitute a major health problem. Many falls occur while walking and falls that occur during turning often result in a fracture. Methods aimed at understanding the complex mechanisms involved in walking should therefore assess tested individuals during walks and turns. In order to identify persons at risk and take the correct preventive measures, it is important to find methods that quantify movements as the tested persons are processing multisensory input. In a clinical setting this is sometimes difficult to achieve in a controlled manner, since tests are difficult to set exactly the same from one time to another. Using a virtual environment (VE) and a tracker system, conditions such as light, sound, events, body movements, and room size can be controlled and measured. Tests in VE can therefore be identically reproduced over and over again to evaluate if a person can withstand changing outer demands at any given moment. In order to perform quantitative measures 8 persons (21-74 years) were tested in immersive virtual reality. The VE was a corridor in which expected and unexpected events could be produced. Events studied were doors swinging open in front of the subjects during a walk and a virtual tilting of the environment. Trackers were used for collecting and analyzing the movement data. Our results show that the system was well tolerated among the subjects and that there was a clear tendency that the system could generate fall tendency among the subjects. There was also a difference among the subjects regarding walking strategies when subjected to the various events.

  • 9.
    Tängman, Sofie
    et al.
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
    Eriksson, Staffan
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
    Gustafson, Yngve
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Geriatric Medicine.
    Lundin-Olsson, Lillemor
    Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Physiotherapy.
    Precipitating factors for falls among patients with dementia on a psychogeriatric ward2010In: International psychogeriatrics, ISSN 1041-6102, E-ISSN 1741-203X, Vol. 22, no 4, p. 641-649Article in journal (Refereed)
    Abstract [en]

    It is possible to identify many precipitating factors that may contribute to a fall. Falls in people with dementia should be regarded as a symptom of acute disease or as a drug side-effect until proven otherwise. Prompt detection of these relevant factors is, therefore, essential.

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