Incidence of and risk factors for non-vertebral and vertebral fracture in female Chinese patients with systemic lupus erythematosus: a five-year cohort study
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摘要Objective: The objective of this paper is to investigate the incidence of both non-vertebral and vertebral fracture in female patients with systemic lupus erythematosus (SLE) and to identify risk factors for incident fracture. Methods: In a five-year prospective study of 127 female Chinese SLE patients with an average age of 46.9 years (SD: 10.1 years), information on potential risk factors, including demographics, clinical data and bone mineral density (BMD) at lumbar spine and hip by dual-energy X-ray absorptiometry was collected at baseline. At follow-up, participants reported incident non-vertebral fracture during the study period. Semi-quantitative analysis was used to determine incident vertebral fracture on lateral thoracic and lumbar radiographs, defined as any vertebral body graded normal at baseline and at least mildly deformed (20%-25% reduction or more in any vertebral height) at follow-up. Results: Nine incident non-vertebral fractures occurred in eight patients during the study period. Six patients had one or more incident vertebral fractures. The incidence of non-vertebral and vertebral fracture was 1.26 and 0.94 per 100 patient-years, respectively. In multivariate logistic analyses, independent variables associated with incident non-vertebral fracture were duration of glucocorticoid use and prevalent lumbar spine osteoporosis, while risk factors associated with incident vertebral fracture were higher organ damage and prevalent lumbar spine osteoporosis. Conclusions: The incidence of fracture in SLE patients is lower than the prevalence reported in cross-sectional studies. Lumbar spine BMD appears to have a stronger relationship with incident fracture than hip BMD. This warrants further investigation regarding the optimal site of BMD measurement when predicting fracture risk in SLE patients.
著者Zhu TY, Griffith JF, Au SK, Tang XL, Kwok AW, Leung PC, Li EK, Tam LS
期刊名稱Lupus
出版年份2014
月份8
日期1
卷號23
期次9
出版社SAGE PUBLICATIONS LTD
頁次854 - 861
國際標準期刊號0961-2033
電子國際標準期刊號1477-0962
語言英式英語
關鍵詞bone mineral density; fracture; Systemic lupus erythematosus; vertebral fracture
Web of Science 學科類別Rheumatology; RHEUMATOLOGY

上次更新時間 2021-12-01 於 00:31