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Träfflista för sökning "WFRF:(Gerdhem Paul) srt2:(2010-2014)"

Sökning: WFRF:(Gerdhem Paul) > (2010-2014)

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1.
  • Abbott, Allan, et al. (författare)
  • CONTRAIS: CONservative TReatment for Adolescent Idiopathic Scoliosis : a randomised controlled trial protocol
  • 2013
  • Ingår i: BMC Musculoskeletal Disorders. - : BioMed Central. - 1471-2474. ; 14
  • Tidskriftsartikel (refereegranskat)abstract
    • Background:Idiopathic scoliosis is a three-dimensional structural deformity of the spine that occurs in children and adolescents. Recent reviews on bracing and exercise treatment have provided some evidence for effect of these interventions. The purpose of this study is to improve the evidence base regarding the effectiveness of conservative treatments for preventing curve progression in idiopathic scoliosis.Methods/design:Patients: Previously untreated girls and boys with idiopathic scoliosis, 9 to 17 years of age with at least one year of remaining growth and a curve Cobb angle of 25–40 degrees will be included. A total of 135 participants will be randomly allocated in groups of 45 patients each to receive one of the three interventions.Interventions: All three groups will receive a physical activity prescription according to the World Health Organisation recommendations. One group will additionally wear a hyper-corrective night-time brace. One group will additionally perform postural scoliosis-specific exercises.Outcome: Participation in the study will last until the curve has progressed, or until cessation of skeletal growth. Outcome variables will be measured every 6 months. The primary outcome variable, failure of treatment, is defined as progression of the Cobb angle more than 6 degrees, compared to the primary x-ray, seen on two consecutive spinal standing x-rays taken with 6 months interval. Secondary outcome measures include the SRS-22r and EQ5D-Y quality of life questionnaires, the International Physical Activity Questionnaire (IPAQ) short form, and Cobb angle atend of the study.Discussion:This trial will evaluate which of the tested conservative treatment approaches that is the most effective for patients with adolescent idiopathic scoliosis.Trial registration: NCT01761305
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  • Garg, Gaurav, et al. (författare)
  • Variation in the MC4R Gene Is Associated with Bone Phenotypes in Elderly Swedish Women.
  • 2014
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 9:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Osteoporosis is characterized by reduced bone mineral density (BMD) and increased fracture risk. Fat mass is a determinant of bone strength and both phenotypes have a strong genetic component. In this study, we examined the association between obesity associated polymorphisms (SNPs) with body composition, BMD, Ultrasound (QUS), fracture and biomarkers (Homocysteine (Hcy), folate, Vitamin D and Vitamin B12) for obesity and osteoporosis. Five common variants: rs17782313 and rs1770633 (melanocortin 4 receptor (MC4R); rs7566605 (insulin induced gene 2 (INSIG2); rs9939609 and rs1121980 (fat mass and obesity associated (FTO) were genotyped in 2 cohorts of Swedish women: PEAK-25 (age 25, n = 1061) and OPRA (age 75, n = 1044). Body mass index (BMI), total body fat and lean mass were strongly positively correlated with QUS and BMD in both cohorts (r(2) = 0.2-0.6). MC4R rs17782313 was associated with QUS in the OPRA cohort and individuals with the minor C-allele had higher values compared to T-allele homozygotes (TT vs. CT vs.
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  • Grauers, Anna, et al. (författare)
  • Family history and its association to curve size and treatment in 1,463 patients with idiopathic scoliosis
  • 2013
  • Ingår i: European Spine Journal. - : Springer Science and Business Media LLC. - 0940-6719 .- 1432-0932. ; 22:11, s. 2421-2426
  • Tidskriftsartikel (refereegranskat)abstract
    • To study family history in relation to curve severity, gender, age at diagnosis and treatment in idiopathic scoliosis. A self-assessment questionnaire on family history of scoliosis was administered to 1,463 untreated, brace or surgically treated idiopathic scoliosis patients. Out of the 1,463 patients, 51 % had one or more relatives with scoliosis. There was no significant difference between females and males, nor between juvenile and adolescent study participants in this respect (p = 0.939 and 0.110, respectively). There was a significant difference in maximum curve size between patients with one or more relatives with scoliosis (median 35A degrees, interquartile range 25) and patients without any relative with scoliosis (median 32A degrees, interquartile range 23) (p = 0.022). When stratifying patients according to treatment (observation, brace treatment or surgery), we found that it was more common to have a relative with scoliosis among the treated patients (p = 0.011). The OR for being treated was 1.32 (95 % CI 1.06-1.64) when the patient had a relative with scoliosis, compared to not having. Larger curve sizes were found in patients with a family history of scoliosis than in the ones without. No relation between family history and gender or between family history and age at onset of idiopathic scoliosis was found. Although the presence of a family history of scoliosis may not be a strong prognostic risk factor, it indicates that these patients are at higher risk of developing a more severe curve.
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  • Grauers, A, et al. (författare)
  • Prevalence of Back Problems in 1069 Adults With Idiopathic Scoliosis and 158 Adults Without Scoliosis.
  • 2014
  • Ingår i: Spine. - 1528-1159 .- 0362-2436. ; 39:11, s. 886-892
  • Tidskriftsartikel (refereegranskat)abstract
    • Study Design. Multi-center case-control studyObjective. To investigate the prevalence of back problems in adults with idiopathic scoliosis.Summary of Background Data. Information on the prevalence of back problems in adults with idiopathic scoliosis is scarce, especially in untreated individuals, males and individuals with an age at onset of the scoliosis of less than 10 years.Methods. 1069 individuals with idiopathic scoliosis and 158 individuals without scoliosis, all aged 20-65 years, answered a questionnaire on back problems. Individuals with scoliosis were diagnosed between ages 4 and 20 years and any treatment was terminated before age 20. Logistic regression or ANCOVA was used for group comparisons.Results. Mean (SD) age at the time of investigation in individuals with scoliosis (123 men and 946 women) was 41 (9) years, and in individuals without scoliosis (75 men and 83 women) 45 (13) years. 374 individuals with scoliosis were untreated, 451 had been brace treated and 244 surgically treated. The mean prevalence of back problems was 64% in the individuals with scoliosis and 29% in the individuals without scoliosis (p<0.001). Among the untreated individuals with scoliosis, 69% reported back problems, among the brace treated 61%, and among the surgically treated 64% (p = 0.06). When comparing females and males with scoliosis, and individuals with juvenile and adolescent scoliosis, there were no statistically significant differences in the prevalence of back problems (p = 0.10 and p = 0.23, respectively).Conclusion. Adults with idiopathic scoliosis have a higher prevalence of back problems than individuals without scoliosis. Treatment, gender and juvenile or adolescent onset of diagnosis was not related to the prevalence of back problems in adulthood.
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  • Ivaska, Kaisa, et al. (författare)
  • Bone Turnover Markers and Prediction of Fracture: A Prospective Follow-Up Study of 1040 Elderly Women for a Mean of 9 Years
  • 2010
  • Ingår i: Journal of Bone and Mineral Research. - : Wiley. - 1523-4681 .- 0884-0431. ; 25:2, s. 393-403
  • Tidskriftsartikel (refereegranskat)abstract
    • Osteoporosis is characterized by compromised bone mass and strength, predisposing to an increased risk of fracture. Increased bone metabolism has been suggested to be a risk factor for fracture. The aim of this study was to evaluate whether baseline bone turnover markers are associated with long-term incidence of fracture in a population-based sample of 1040 women who were 75 years old (Malmo OPRA study). Seven bone markers (S-TRACP5b, S-CTX-1, S-OC[1-49], S-TotaIOC, S-cOC, S-boneALP, and urinary osteocalcin) were measured at baseline and 1-year follow-up visit. During the mean follow-up of 9.0 years (range 7.4-10.9), 363 women sustained at least one fracture of any type, including 116 hip fractures and 103 clinical vertebral fractures. High S-TRACP5b and S-CTX-1 levels were associated with increased risk of any fracture with hazard ratios [HRs (95% confidence interval)] of 1.16 (1.04-1.29) and 1.13 (1.01-1.27) per SD increase, respectively. They also were associated with increased risk of clinical vertebral fracture with HRs of 1.22 (1.01-1.48) and 1.32 (1.05-1.67), respectively. Markers were not associated with risk for hip fracture. Results were similar when we used resorption markers, including urinary osteocalcin, measured at the 1-year visit or an average of the two measurements. The HRs were highest for any fracture in the beginning of the follow-up period, 2.5 years from baseline. For vertebral fractures, the association was more pronounced and lasted for a longer period of time, at least for 5 years. In conclusion, elevated levels of S-TRACP5b, S-CTX-1, and urinary osteocalcin are associated with increased fracture risk for up to a decade in elderly women. (C) 2010 American Society for Bone and Mineral Research.
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  • Kumar, Jitender, et al. (författare)
  • LRP4 association to bone properties and fracture and interaction with genes in the Wnt- and BMP signaling pathways.
  • 2011
  • Ingår i: Bone. - : Elsevier BV. - 1873-2763 .- 8756-3282. ; 49, s. 343-348
  • Tidskriftsartikel (refereegranskat)abstract
    • Osteoporosis is a common complex disorder in postmenopausal women leading to changes in the micro-architecture of bone and increased risk of fracture. Members of the low-density lipoprotein receptor-related protein (LRP) gene family regulates the development and physiology of bone through the Wnt/β-catenin (Wnt) pathway that in turn cross-talks with the bone morphogenetic protein (BMP) pathway. In two cohorts of Swedish women: OPRA (n=1002; age 75years) and PEAK-25 (n=1005; age 25years), eleven single nucleotide polymorphisms (SNPs) from Wnt pathway genes (LRP4; LRP5; G protein-coupled receptor 177, GPR177) were analyzed for association with Bone Mineral Density (BMD), rate of bone loss, hip geometry, quantitative ultrasound and fracture. Additionally, interaction of LRP4 with LRP5, GPR177 and BMP2 were analyzed. LRP4 (rs6485702) was associated with higher total body (TB) and lumbar spine (LS) BMD in the PEAK-25 cohort (p=0.006 and 0.005 respectively), and interaction was observed with LRP5 (p=0.007) and BMP2 (p=0.004) for TB BMD. LRP4 also showed significant interaction with LRP5 for femoral neck (FN) and LS BMD in this cohort. In the OPRA cohort, LRP4 polymorphisms were associated with significantly lower fracture incidence overall (p=0.008-0.001) and fewer hip fractures (rs3816614, p=0.006). Significant interaction in the OPRA cohort was observed for LRP4 with BMP2 and GPR177 for FN BMD as well as for rate of bone loss at TB and FN (p=0.007-0.0001). In conclusion, LRP4 and interaction between LRP4 and genes in the Wnt and BMP signaling pathways modulate bone phenotypes including peak bone mass and fracture, the clinical endpoint of osteoporosis.
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10.
  • Lenora, Janaka, et al. (författare)
  • Effect of Precision on Longitudinal Follow-Up of Bone Mineral Density Measurements in Elderly Women and Men.
  • 2010
  • Ingår i: Journal of Clinical Densitometry. - : Elsevier BV. - 1094-6950. ; 13:4, s. 407-412
  • Tidskriftsartikel (refereegranskat)abstract
    • Precision error of dual-energy X-ray absorptiometry exceeds the expected annual rate of bone loss in the elderly. The capacity to detect changes in areal bone mineral density (aBMD; g/cm(2)) over a 5-yr period was assessed. Six hundred ninety-one women, 75.2 (0.1)yr, from the Malmö OPRA-study, were measured using Lunar DPX-L (GE Lunar, Madison, WI), and 211 men, 74.7 (3.2)yr, from the Malmö Mr Os-study, were measured using Lunar Prodigy (GE Lunar) with follow-up 5yr later. Precision error was determined with 30 degrees of freedom. Least significant change (LSC, i.e., 2.77xprecision error) was calculated. Women's precision errors (g/cm(2)) for DPX-L were 0.028 (total hip [TH]) and 0.016 (lumbar spine [LS]), and for Prodigy, they were 0.009 (TH) and 0.039 (LS). In men, corresponding results for Prodigy were 0.014 and 0.031. In women, 41% and in men, 39% had aBMD changes exceeding the LSC at TH. Follow-up intervals (i.e., LSC/median rate of aBMD change) for both women and men were 8yr (TH) and 13yr (LS). Based on Prodigy precision data, follow-up intervals for women were 3 and 32yr at TH and LS. In summary, several years were needed to detect change. Only when a high rate of bone loss is suspected, a short follow-up time is possible, in elderly persons.
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