| 1. |
- Berglundh, Sofia, et al.
(författare)
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C-reactive protein, bone loss, fracture, and mortality in elderly women: a longitudinal study in the OPRA cohort.
- 2015
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 26:2, s. 727-735
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Tidskriftsartikel (refereegranskat)abstract
- This longitudinal study investigates the association between C-reactive protein (CRP), osteoporosis, fractures, and mortality in 1044 elderly women. CRP was not an indicator for low bone mineral density (BMD), bone loss, or fracture in elderly women; however, women with elevated CRP levels over a prolonged period lost more bone over the 10-year follow-up, although fracture risk was not increased.
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| 2. |
- Boonen, S., et al.
(författare)
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Balloon kyphoplasty and vertebroplasty in the management of vertebral compression fractures
- 2011
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 22:12, s. 2915-2934
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Forskningsöversikt (refereegranskat)abstract
- Vertebral compression fractures (VCFs) are the most prevalent fractures in osteoporotic patients. The classical conservative management of these fractures is through rest, pain medication, bracing and muscle relaxants. The aim of this paper is to review prospective controlled studies comparing the efficacy and safety of minimally invasive techniques for vertebral augmentation, vertebroplasty (VP) and balloon kyphoplasty (BKP), versus non-surgical management (NSM). The Fracture Working Group of the International Osteoporosis Foundation conducted a literature search and developed a review paper on VP and BKP. The results presented for the direct management of osteoporotic VCFs focused on clinical outcomes of these three different procedures, including reduction in pain, improvement of function and mobility, vertebral height restoration and decrease in spinal curvature (kyphosis). Overall, VP and BKP are generally safe procedures that provide quicker pain relief, mobility recovery and in some cases vertebral height restoration than conventional conservative medical treatment, at least in the short term. However, the long-term benefits and safety in terms of risk of subsequent vertebral fractures have not been clearly demonstrated and further prospective randomized studies are needed with standards for reporting. Referral physicians should be aware of VP/BKP and their potential to reduce the health impairment of patients with VCFs. However, VP and BKP are not substitutes for appropriate evaluation and treatment of osteoporosis to reduce the risk of future fractures.
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| 3. |
- Borgstrom, F., et al.
(författare)
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Health economic aspects of vertebral augmentation procedures
- 2015
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 26:4, s. 1239-1249
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Forskningsöversikt (refereegranskat)abstract
- We reviewed all peer-reviewed papers analysing the cost-effectiveness of vertebroplasty and balloon kyphoplasty for osteoporotic vertebral compression fractures. In general, the procedures appear to be cost effective but are very dependent upon model input details. Better data, rather than new models, are needed to answer outstanding questions. Vertebral augmentation procedures (VAPs), including vertebroplasty (VP) and balloon kyphoplasty (BKP), seek to stabilise fractured vertebral bodies and reduce pain. The aim of this paper is to review current literature on the cost-effectiveness of VAPs as well as to discuss the challenges for economic evaluation in this research area. A systematic literature search was conducted to identify existing published studies on the cost-effectiveness of VAPs in patients with osteoporosis. Only peer-reviewed published articles that fulfilled the criteria of being regarded as full economic evaluations including both morbidity and mortality in the outcome measure in the form of quality-adjusted life years (QALYs) were included. The search identified 949 studies, of which four (0.4 %) were identified as relevant with one study added later. The reviewed studies differed widely in terms of study design, modelling framework and data used, yielding different results and conclusions regarding the cost-effectiveness of VAPs. Three out of five studies indicated in the base case results that VAPs were cost effective compared to non-surgical management (NSM). The five main factors that drove the variations in the cost-effectiveness between the studies were time horizon, quality of life effect of treatment, offset time of the treatment effect, reduced number of bed days associated with VAPs and mortality benefit with treatment. The cost-effectiveness of VAPs is uncertain. In answering the remaining questions, new cost-effectiveness analysis will yield limited benefit. Rather, studies that can reduce the uncertainty in the underlying data, especially regarding the long-term clinical outcomes of VAPs, should be conducted.
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| 4. |
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| 5. |
- Callréus, Mattias, et al.
(författare)
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Birth weight is more important for peak bone mineral content than for bone density: the PEAK-25 study of 1,061 young adult women.
- 2013
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 24:4, s. 1347-1355
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Tidskriftsartikel (refereegranskat)abstract
- Lower birth weight has a negative association with adult BMC and body composition in young adult Swedish women. INTRODUCTION: The aim of this study was to evaluate the influence of birth weight on peak bone mass and body composition in a cohort of 25-year-old women. METHODS: One thousand sixty-one women participated in this cross-sectional population-based study using dual energy X-ray absorptiometry (DXA) to assess bone mineral content (BMC), bone mineral density (BMD), and body composition (total body (TB), femoral neck (FN), total hip (TH), lumbar spine L1-L4 (LS), and lean and fat mass). Birth weight data was available for 1,047 women and was categorized into tertiles of low (≤3,180 g), intermediate (3,181-3,620 g), and high (≥3,621 g) birth weight. RESULTS: Significant correlations were observed between birth weight and TB-BMC (r = 0.159, p < 0.001), FN-BMC (r = 0.096, p < 0.001), TH-BMC (r = 0.102, p = 0.001), LS-BMC (r = 0.095, p = 0.002), and lean mass (r = 0.215, p < 0.001). No correlation was observed between birth weight and BMD. The estimated magnitude of effect was equivalent to a 0.3-0.5 SD difference in BMC for every 1 kg difference in birth weight (151 g (TB); 0.22 g (FN); 1.5 g (TH), 2.5 kg TB lean mass). The strongest correlations between birth weight and BMC occurred in women with lowest birth weights, although excluding women who weighed <2,500 g at birth, and the correlation remained significant although slightly weaker. CONCLUSIONS: Women with lower birth weight have lower BMC and less lean and fat mass at the age of 25, independent of current body weight. Lower birth weight has a greater negative influence on bone mass than the positive influence of higher birth weight.
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| 6. |
- Callréus, Mattias, et al.
(författare)
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Self-reported recreational exercise combining regularity and impact is necessary to maximize bone mineral density in young adult women : A population-based study of 1,061 women 25 years of age.
- 2012
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 23:10, s. 2517-2526
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Tidskriftsartikel (refereegranskat)abstract
- Recreational physical activity in 25-year-old women in Sweden increases bone mineral density (BMD) in the trochanter by 5.5% when combining regularity and impact. Jogging and spinning were especially beneficial for hip BMD (6.4-8.5%). Women who enjoyed physical education in school maintained their higher activity level at age 25. INTRODUCTION: The aims of this study were to evaluate the effects of recreational exercise on BMD and describe how exercise patterns change with time in a normal population of young adult women. METHODS: In a population-based study of 1,061 women, age 25 (±0.2), BMD was measured at total body (TB-BMD), femoral neck (FN-BMD), trochanter (TR-BMD), and spine (LS-BMD). Self-reported physical activity status was assessed by questionnaire. Regularity of exercise was expressed as recreational activity level (RAL) and impact load as peak strain score (PSS). A permutation (COMB-RP) was used to evaluate combined endurance and impacts on bone mass. RESULTS: More than half of the women reported exercising on a regular basis and the most common activities were running, strength training, aerobics, and spinning. Seventy percent participated in at least one activity during the year. Women with high RAL or PSS had higher BMD in the hip (2.6-3.5%) and spine (1.5-2.1%), with the greatest differences resulting from PSS (p < 0.001-0.02). Combined regularity and impact (high-COMB-RP) conferred the greatest gains in BMD (FN 4.7%, TR 5.5%, LS 3.1%; p < 0.001) despite concomitant lower body weight. Jogging and spinning were particularly beneficial for hip BMD (+6.4-8.5%). Women with high-COMB-RP scores enjoyed physical education in school more and maintained higher activity levels throughout compared to those with low scores. CONCLUSION: Self-reported recreational levels of physical activity positively influence BMD in young adult women but to maximize BMD gains, regular, high-impact exercise is required. Enjoyment of exercise contributes to regularity of exercising which has short- and long-term implications for bone health.
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| 7. |
- Gerdhem, Paul, et al.
(författare)
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Association between 25-hydroxy vitamin D levels, physical activity, muscle strength and fractures in the prospective population-based OPRA Study of Elderly Women.
- 2005
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 16:Mar 3, s. 1425-1431
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Tidskriftsartikel (refereegranskat)abstract
- Vitamin D supplements have been used to prevent fractures. The effect may be mediated through increased bone mass, but also through reduced falling propensity. The aim of this study was to evaluate the association between 25-hydroxy vitamin D levels (25OHD), fall-associated variables (including tests of functional performance), and fracture in ambulatory women. At baseline 25OHD was measured in 986 women. Fall-associated variables were investigated at baseline. Fractures were recorded during a 3-year follow-up. Four percent of the women had 25OHD levels below 20 ng/ml (50 nmol/l), and 26% had 25OHD levels below 30 ng/ml (75 nmol/l). 25OHD correlated with gait speed (r =0.17, P <0.001), the Romberg balance test (r =0.14, P <0.001), self-estimated activity level (r =0.15, P <0.001), and thigh muscle strength (r =0.08, P =0.02). During the 3-year follow-up, 119 out of the 986 women sustained at least one fracture. The Cox proportional hazard ratio (HR) (95% confidence interval) for sustaining a fracture during the follow-up was 2.04 (1.04-4.04) for the group of women with 25OHD below 20 ng/ml, in which 9 out of 43 women sustained a fracture. Thirty-two of the 256 women with 25OHD levels below 30 ng/ml sustained a fracture during the follow-up, with a non-significant HR of 1.07 (1.07-1.61). This cohort of elderly, ambulatory women had a high mean 25OHD. A low 25OHD was associated with inferior physical activity level, gait speed and balance. A 25OHD level below 30 ng/ml was not associated with an increased risk of fractures in this study. However, a subgroup of women with 25OHD levels below 20 ng/ml had a tendency to an increased risk of fractures, which may be associated with an inferior physical activity and postural stability.
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