Low bone mineral density and fractures in stages 3- CKD: an updated systematic review and meta-analysis

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• 作者：R. C. Bucur ; D. D. Panjwani ; L. Turner ; T. Rader ; S. L. West…
• 关键词：Bone mineral density ; Chronic kidney disease ; Dialysis ; Fractures ; Predialysis
• 刊名：Osteoporosis International
• 出版年：2015
• 出版时间：February 2015
• 年：2015
• 卷：26
• 期：2
• 页码：449-458
• 全文大小：366 KB
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• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Orthopedics
  Gynecology
  Endocrinology
  Rheumatology
  
• 出版者：Springer London
• ISSN：1433-2965

文摘

Summary The utility of bone mineral density (BMD) testing in chronic kidney disease (CKD) is not known. We performed a meta-analysis of studies reporting on BMD and fracture in CKD. All but one study was cross-sectional. BMD was lower in those with CKD and fractures compared to those without fractures. Introduction CKD is associated with an increased risk of fracture. The utility of dual energy X-ray absorptiometry (DXA) to assess fracture risk in CKD is unknown. Methods We performed an updated meta-analysis and systematic review of published studies that reported on the association between DXA and fracture (morphometric spine or clinical nonspine) in predialysis and dialysis CKD. We identified 2,894 potential publications, retrieved 292 for detailed review, and included 13. All but one study was cross-sectional and three reported on the ability of DXA to discriminate fracture status in predialysis CKD. Results were pooled using a random effects model and statistical heterogeneity was assessed using the I 2 statistic. Results BMD was statistically significantly lower at the femoral neck, lumbar spine, the 1/3 and ultradistal radius in subjects with fractures compared to those without regardless of dialysis status. For example, femoral neck BMD was 0.06?g/cm2 lower in dialysis subjects and 0.102?g/cm2 lower in predialysis subjects with fractures compared to those without. Lumbar spine BMD was 0.05?g/cm2 lower in dialysis subjects and 0.108?g/cm2 lower in predialysis subjects with fractures compared to those without. Our meta-analysis was limited to studies with small numbers of subjects and even smaller numbers of fractures. All of the studies were observational and only one was prospective. There was statistical heterogeneity at the lumbar spine, 1/3 and ultradistal radius. Conclusions Our findings suggest that BMD can discriminate fracture status in predialysis and dialysis CKD. Larger, prospective studies are needed.