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Clinical value of serum total P1NP, β-CTX and 25(OH)D3 detection in evaluating risks of fragile hip fracture in elderly patients with osteoporosis
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- Author:
- No author available
- Journal Title:
- Journal of Southern Medical University
- Issue:
- 9
- DOI:
- 10.3969/j.issn.1673-4254.2012.09.030
- Key Word:
- 脆性骨折;髋部;老年;Ⅰ型前胶原氨基端延长肽;Ⅰ型胶原羧基端肽β特殊序列;25羟基维生素D3
Abstract： 目的 探讨血清总骨Ⅰ型前胶原氨基端延长肽(Total-P1NP)、Ⅰ型胶原羧基端肽β特殊序列(β-CTX)、25(OH)D3测定在老年人髋部脆性骨折中的价值.方法 收集有髋部脆性骨折史的老年骨质疏松症患者68例,同时设立68例确诊骨质疏松症、无髋部脆性骨折史的年龄、性别相匹配的老年人群做对照,测定血清Total-P1NP、β-CTX、25(OH)D3；双能X线吸收法测定腰椎和髋部骨密度(BMD)；应用SPSS16.0统计软件进行统计学分析.结果 (1)髋部脆性骨折组患者的Total-P1NP、β-CTX高于对照组,25(OH)D3低于对照组,组间差异具有统计学意义(P＜0.05)；两组间腰椎均值BMD及总髋部BMD之间无统计学差异；(2)双变量相关分析发现在髋部脆性骨折组,25(OH)D3与腰椎均值BMD及总髋部BMD呈正相关,Total-P1NP、β-CTX与腰椎均值BMD及总髋部BMD呈负相关(P＜0.05)；在对照组,25(OH)D3与腰椎均值BMD及总髋部BMD无相关,Total-P1NP、β-CTX与腰椎均值BMD无相关,与总髋部BMD呈负相关(P＜0.05).结论 在BMD水平相近的老年骨质疏松症患者中,Total-P1NP、β-CTX的增高及25(OH)D3的降低有可能独立预示髋部脆性骨折的风险增高,这3项指标的检测有利于识别髋部脆性骨折高风险人群并指导治疗.
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