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Sökning: db:Swepub > Lunds universitet > Högskolan i Halmstad > Roos Ewa

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1.
  • Bremander, Ann, et al. (författare)
  • Validation of the Rheumatoid and Arthritis Outcome Score (RAOS) for the lower extremity
  • 2003
  • Ingår i: Health and Quality of Life Outcomes. - : Springer Science and Business Media LLC. - 1477-7525. ; 48:9 Suppl. S, s. 687-687
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Patients with inflammatory joint diseases tend due to new treatments to be more physically active; something not taken into account by currently used outcome measures. The Rheumatoid and Arthritis Outcome Score (RAOS) is an adaptation of the Knee injury and Osteoarthritis Outcome Score (KOOS) and evaluates functional limitations of importance to physically active people with inflammatory joint diseases and problems from the lower extremities. The aim of the study was to test the RAOS for validity, reliability and responsiveness. METHODS: 119 in-patients with inflammatory joint disease (51% RA) admitted to multidisciplinary care, mean age 56 (+/-13), 73% women, mean disease duration 18 (+/-14) yr were consecutively enrolled. They all received the RAOS, the SF-36, the HAQ and four subscales of the AIMS2 twice during their stay for test of validity and responsiveness. Test-retest reliability of the RAOS questionnaire was calculated on 52 patients using the first or second administration and an additional mailed questionnaire. RESULTS: The RAOS met set criteria of reliability and validity. The random intraclass correlation coefficient (ICC 2,1) for the five subscales ranged from 0.76 to 0.92, indicating that individual comparisons were possible except for the subscale Sport and Recreation Function. Inter-item correlation measured by Cronbach's alpha ranged from 0.78 to 0.95. When measuring construct validity the highest correlations occurred between subscales intended to measure similar constructs. Change over time (24 (+/- 7) days) due to multidisciplinary care was significant for all subscales (p < 0.001). The effect sizes ranged from 0.30-0.44 and were considered small to medium. All the RAOS subscales were more responsive than the HAQ. Some of the SF-36 subscales and the AIMS2 subscales were more responsive than the RAOS subscales. CONCLUSION: It is possible to adapt already existing outcome measures to assess other groups with musculoskeletal difficulties in the lower extremity. The RAOS is a reliable, valid and responsive outcome instrument for assessment of multidisciplinary care. To fully validate the RAOS further studies are needed in other populations.
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2.
  • Bremander, Ann, et al. (författare)
  • Validity and reliability of functional performance tests in meniscectomized patients with or without knee osteoarthritis
  • 2007
  • Ingår i: Scandinavian Journal of Medicine and Science in Sports. - : Wiley. - 0905-7188 .- 1600-0838. ; 17:2, s. 120-7
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: Reduced functional performance and muscular dysfunction after knee injury and in knee osteoarthritis (OA) is suggested to be a factor in OA development. Validated functional performance tests applicable in the clinic and large-scale studies are lacking. The aim was to study the reliability and validity of 10 functional performance tests.METHODS: Two hundred and eighty-five subjects, 15-22 years post-meniscectomy, performed 10 functional performance tests. The mean age was 54 years (SD+/-11.2) and 79% were men; 52% had radiographic OA, and 48% were categorized as symptomatic. The tests were evaluated for test-retest reliability, discriminative ability (younger vs older age, men vs women, symptom-free vs symptomatic) and floor and ceiling effects.RESULTS: Two of the 10 tests, maximum number of knee bendings in 30 s and one-leg hop for distance, had good test-retest reliability (ICC 0.92, 95% CI 0.86-0.96 and 0.93, 95% CI 0.87-0.97) and were able to discriminate with regard to age, gender and symptoms, and had acceptable floor effects (9% and 3%, respectively).CONCLUSION: This study suggests the use of two functional performance tests: knee bendings/30 s and one-leg hop for distance, easy to use for evaluation of interventions due to knee injury and knee OA and when attaining long-term data of natural disease history.
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3.
  • Roos, Ewa, et al. (författare)
  • Change in self-reported outcomes and objective physical function over 7 years in middle-aged subjects with or at high risk of knee osteoarthritis
  • 2008
  • Ingår i: Annals of the Rheumatic Diseases. - : BMJ. - 1468-2060 .- 0003-4967. ; 67:4, s. 505-510
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Describe the clinical course and predictors of change in self-reported outcomes and objectively assessed physical function over time in middle-aged subjects at high risk of, or with knee osteoarthritis (OA). METHODS: We examined 259 subjects (mean age 52.6 [SD 10.4]) at mean 18 and 25 years after previous meniscectomy and 50 population-based age- and sex-matched reference subjects with the Knee injury and Osteoarthritis Outcome Score (KOOS), one-leg hop for distance and number of knee-bendings in 30 seconds. Radiographic OA was defined as equivalent to Kellgren & Lawrence grade 2 or worse. RESULTS: At first assessment, meniscectomized subjects reported worse pain, function and quality of life compared with the reference group (p<0.001). They also performed fewer knee-bendings per 30 sec (27 vs. 31, p=0.02). The meniscectomized patients worsened over the 4 to 10 year observation time in all measured outcomes (p<0.001), and to a greater extent than the reference group in pain (-5, 95% CI -10,0) and one-leg hop (-11, 95% CI -18,-3). Being a woman, or having radiographic knee OA, enhanced the worsening in both self-reported and objectively assessed outcomes. Older age and a higher BMI influenced objectively assessed physical function, but not self-reported outcomes. CONCLUSION: Worsening over time in knee-related pain and function is greater in meniscectomized subjects compared with reference subjects. Rehabilitative efforts may be warranted in middle-aged meniscectomized patients, especially in women and those who have developed radiographic knee OA, who are at greater risk of worsening.
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4.
  • Thorstensson, Carina A., et al. (författare)
  • How do middle-aged patients conceive exercise as a form of treatment for knee osteoarthritis?
  • 2006
  • Ingår i: Disability and Rehabilitation. - London : Taylor & Francis. - 0963-8288 .- 1464-5165. ; 28:1, s. 51-59
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose. To describe conceptions, as registered by a semi-structured interview, of exercise as treatment among sixteen middle-aged patients with moderate to severe knee osteoarthritis.Method. Sixteen patients (aged 39 – 64) with symptomatic, radiographic knee osteoarthritis and previous participants in an exercise intervention, were interviewed. The qualitative data obtained were analysed using phenomenographic approach.Results. Four descriptive categories containing 13 conceptions emerged: Category 1) To gain health included five conceptions; to experience coherence, to experience well-being, to be in control, to experience improved physical functioning, to experience symptom relief; 2) To become motivated included three conceptions; to experience inspiration, to be prepared to persevere, to experience the need to exercise; 3) To experience the need for support included three conceptions; to have structure, to receive guidance, to devote time; 4) To experience resistance included two conceptions; to hesitate, to deprecate.Conclusion. Patients with knee osteoarthritis and knee pain, previously participating in exercise intervention, are aware of the health benefits of exercise, but have many doubts and concerns about exercise as treatment. These aspects should be considered when designing patient information and treatment programmes. Furthermore, a hesitative and resistive perception of exercise as a concept could have major influences on the implementation of health programmes. © 2006 Taylor & Francis.
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5.
  • Thorstensson, Carina A., et al. (författare)
  • Reduced functional performance in the lower extremity predicted radiographic knee osteoarthritis five years later
  • 2004
  • Ingår i: Annals of the Rheumatic Diseases. - London : BMJ Publishing Group Ltd. - 0003-4967 .- 1468-2060. ; 63:4, s. 402-407
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Reduced quadriceps strength is an early finding in subjects with knee osteoarthritis, but it is not clear whether it is a cause or a consequence of knee osteoarthritis.Objective: To determine whether reduced functional performance in the lower extremity predicts the incidence or progression of radiographic knee osteoarthritis.Design: Prospective, epidemiological, population based cohort study.Patients: 148 subjects (62 women), aged 35–54 (mean 44.8), with chronic knee pain from a population based cohort.Measurements: Predictors analysed were age, sex, body mass index, baseline knee pain, and three tests of lower extremity functional performance: maximum number of one-leg rises from sitting, time spent walking 300 m, and timed standing on one leg. Weightbearing tibiofemoral knee radiographs were obtained at baseline and after 5 years (median 5.1, range 4.2–6.1), and classified according to Kellgren and Lawrence as no osteoarthritis (Kellgren and Lawrence = 0, n = 94) or prevalent osteoarthritis (Kellgren and Lawrence ⩾1, n = 54).Results: Fewer one-leg rises (median 17 v 25) predicted incident radiographic osteoarthritis five years later (OR 2.6, 95% CI 1.1 to 6.0). The association remained significant after controlling for age, sex, body mass index, and pain. No significant predictor of radiographic progression in the group with prevalent osteoarthritis was found.Conclusion: Reduced functional performance in the lower extremity predicted development of radiographic knee osteoarthritis 5 years later among people aged 35–55 with chronic knee pain and normal radiographs at baseline. These findings suggest that a test of one-leg rises may be useful, and interventions aimed at improving functional performance may be protective against development of knee osteoarthritis.
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6.
  • Thorstensson, Carina A., et al. (författare)
  • Six-week high-intensity exercise program for middle-aged patients with knee osteoarthritis : a randomized controlled trial [ISRCTN20244858]
  • 2005
  • Ingår i: BMC Musculoskeletal Disorders. - London : BioMed Central. - 1471-2474. ; 6
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Studies on exercise in knee osteoarthritis (OA) have focused on elderly subjects. Subjects in this study were middle-aged with symptomatic and definite radiographic knee osteoarthritis. The aim was to test the effects of a short-term, high-intensity exercise program on self-reported pain, function and quality of life. Methods: Patients aged 36-65, with OA grade III (Kellgren & Lawrence) were recruited. They had been referred for radiographic examination due to knee pain and had no history of major knee injury. They were randomized to a twice weekly supervised one hour exercise intervention for six weeks, or to a non-intervention control group. Exercise was performed at ≥ 60% of maximum heart rate (HR max). The primary outcome measure was the Knee injury and Osteoarthritis Outcome Score (KOOS). Follow-up occurred at 6 weeks and 6 months. Results: Sixty-one subjects (mean age 56 (SD 6), 51 % women, mean BMI 29.5 (SD 4.8)) were randomly assigned to intervention (n = 30) or control group (n = 31). No significant differences in the KOOS subscales assessing pain, other symptoms, or function in daily life or in sport and recreation were seen at any time point between exercisers and controls. In the exercise group, an improvement was seen at 6 weeks in the KOOS subscale quality of life compared to the control group (mean change 4.0 vs. -0.7, p = 0.05). The difference between groups was still persistent at 6 months (p = 0.02). Conclusion: A six-week high-intensive exercise program had no effect on pain or function in middle-aged patients with moderate to severe radiographic knee OA. Some effect was seen on quality of life in the exercise group compared to the control group. © 2005 Thorstensson et al; licensee BioMed Central Ltd.
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7.
  • Thorstensson, Carina (författare)
  • Exercise and Functional Performance in Middle-aged Patients with Knee Osteoarthritis
  • 2005
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The overall purpose of this thesis was to explore the impact of exercise and functional performance on development and treatment of knee osteoarthritis in the middle aged. In this thesis, I have studied a population based cohort of middle-aged subjects (35-54 years, 42 % women) with chronic knee pain at baseline, to evaluate the longitudinal effect of muscle weakness on knee osteoarthritis development, the relationship between muscle function and joint load and the effects of exercise on joint load. I have also studied the effect of exercise on pain and function in another middle-aged cohort (36-65 years, 51 % women) with moderate to severe knee osteoarthritis, and explored their conceptions of exercise as treatment. In the first study, 148 subjects with chronic knee pain underwent radiographic examination and tests of functional performance at baseline. 94 of them had no radiographic signs of knee osteoarthritis. Five years later they had new radiographs taken and 41/94 (44 %) had developed incident knee osteoarthritis. I found that reduced functional performance, assessed by maximum number of one-leg rises from a stool, predicted knee osteoarthritis development. The result was controlled for the previously known risk factors of age, BMI and pain. In the second study, I used 3-dimensional motion analysis to explore the possibility of altering joint load by exercise. The medial compartment joint load (peak adduction moment) during maximum number of one-leg rises was assessed in 13 subjects with early radiographic signs of knee osteoarthritis from the cohort in study one, before and after 8 weeks of exercise. Two subjects were lost to follow up for reasons not related to the knee. The peak adduction moment could be reduced by exercise, and a high maximum number of one-leg rises was associated with lower levels of peak adduction moment. The third study included 61 subjects with moderate to severe radiographic knee osteoarthritis. They were randomized to 6 weeks of intensive exercise or to a control group. The effects of exercise were assessed using questionnaires. No effects were seen on pain or self estimated function, however, the quality of life improved. The individual response to exercise ranged from clinically significant improvement to clinically significant worsening. As an attempt to understand this large inter individual response to exercise, I designed the fourth study, where I interviewed 16 of the 30 patients in the exercise group about their conceptions of exercise as treatment. The interviews were analysed using qualitative methodology, and it was revealed that all patients were aware of the general health benefits of exercise, but had doubts about exercise as treatment of osteoarthritis even if they had perceived pain relief and improvement in physical function from the exercise intervention. The pain experienced during exercise caused the patients to believe that exercise was harmful to their knees, and some of them would prefer not to exercise at all. They thought that exercise should be introduced early during the course of the disease, and all of them expressed the need of continuous encouragement and support to adhere to exercise. From this thesis I conclude that reduced muscle function is a risk factor of knee osteoarthritis development among middle aged subjects with knee pain. Reduced muscle function is associated with increased joint load, which seem to be modifiable by exercise. Initial pain when starting exercise, or occasional pain from exercise, should be treated by combining exercise with pain relief such as analgesics or acupuncture. Pain contributes to the difficulty patients have determining the degree of benefit or damage related to exercise, and thus causes feelings of anxiety and helplessness (paper IV). Pain also seems to interfere with the possibility of achieving increased functional performance (paper II, III, IV).
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8.
  • Wikström, Ingegerd, et al. (författare)
  • Reliability, validity and responsiveness of a new leisure index : The Patient-Specific Leisure Scale (PSLS)
  • 2009
  • Ingår i: Musculoskeletal Care. - London : Whurr Publishers. - 1478-2189 .- 1557-0681. ; 7:3, s. 178-193
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives:To investigate the reliability, validity and responsiveness of a new Patient-Specific Leisure Scale (PSLS), constructed to identify goals and outcomes for individual patients with rheumatoid arthritis (RA).Methods:Forty-nine patients with RA were used to evaluate test-retest reliability, and 100 consecutive RA patients were used for construct validity. Twenty-five RA patients, commencing with treatment on tumour necrosis factor (TNF) inhibitors, were evaluated before the start and after three months of therapy, to test responsiveness. The most important leisure activity (as judged by the patients) was used when evaluating reliability and validity. The perceived difficulty with each activity was scored from 0 to 10 (0 = able to perform activity without difficulty, 10 = unable to perform activity).Results: Test-retest reliability indicated a good agreement (0.62-0.87) using weighted kappa. Construct validity was demonstrated by modest positive correlation between leisure activity and Health Assessment Questionnaire (HAQ) (rs = 0.27, p = 0.005) visual analogue scale (VAS) pain (rs = 0.28, p = 0.004) VAS global (rs = 0.22, p = 0.027), VAS fatigue (rs = 0.24, p = 0.013), joint index of 28 swollen joints (rs = 0.22, p = 0.027) and negative correlations with short-form-36 (SF-36) physical functioning (rs = -0.18, p = 0.008), bodily pain (rs = -0.31, p < 0.001), general health (rs = -0.23, p = 0.019), vitality (rs = -0.31, p < 0.001), social function (rs = -0.24, p = 0.016) and role-emotional (rs = -0.28, p = 0.005). Mean improvement for the most important leisure activity was 1.36, (p = 0.036, 95% confidence interval 0.10-2.62). Standardized response mean and effect size for the most important activity in PSLS was 1.05 and 0.72, respectively, and for HAQ 0.34 and 0.28, respectively.Conclusions:PSLS appears to be feasible, reliable, valid and responsive for measuring leisure activities in RA. It provides both an individual result which is useful in clinical work, and results at a group level.
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