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青少年特发性脊柱侧凸患者骨密度变化的分析 被引量:28

Analysis of bone mineral density changes in adolescent idiopathic scoliosis
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摘要 目的 :探 讨青 少年 特 发性 脊柱 侧 凸患 者的 骨 密度 变化 规 律。方 法:应用 双 能 X 线骨 密 度吸 收仪 测 定 101例特 发 性 脊 柱侧 凸 患 者 腰椎 (L2 ̄L4)和 股 骨 近 端 (股 骨 颈 、大 转 子 、W ard's 三 角 )的 骨 密 度 ,结 合 脊 柱 侧 凸 严 重程度 进行 分 析,并 与 62名 同 年龄 段正 常 青少 年骨 密 度进 行比 较 。结 果:特发 性脊 柱 侧凸 患者 所 测各 部位 的 骨密度均 明显 低 于正 常对 照 组(P<0.05),腰 椎 骨 密 度的 降 低 比 股骨 明 显 ,股 骨 近 端 的三 个 部 位 ,以 W ard's 三 角的 骨密度 降低 尤 为显 著。有 75.2% 的 特发 性脊 柱 侧凸 患者 发生 骨 密度 降低 ,其 中 26.7% 发 生骨 量 减少 , 48.5% 符 合骨质疏 松症 的 诊断 标准 ;但 其骨 密 度的 降低 程 度与 侧凸 严 重程 度无 明 显相 关性 。 结论 :青 少年 特 发性 脊 柱 侧凸 患者存 在着 骨 密度 的降 低 ,其与 侧 凸的 严重 程 度无 关,可能 与 特发 性脊 柱 侧凸 的发 病 机理 有关 。 Objective:To evaluate the changes of bone mineral density(BMD) in idiopathic scoliosis.Method: BMD of the lumbar spine(L2-L4) and proximal femur(including the femoral neck,the greater trochanter and Ward′s triangle) was measured using dual energy x-ray absorptiometry in 101 patients with idiopathic scoliosis and 62 age-matched healthy control subjects.The patients with idiopathic scoliosis were divided into two groups according to their ages(younger or elder than 14 years old).Result:In both groups,scoliotic patients had significantly lower BMD in all measured regions than that in the control subjects(P<0.05).In patients of idiopathic scoliosis,the reduction of BMD of the lumbar spine was more remarkable than that of proximal femur,and the largest reduction of BMD was found in Ward′s triangle in three regions of proximal femur.About 26.7% of the scoliotic patients had osteopenia,and around 48.5% of the scoliotic patients showed their z-scores of BMD below 2SD and met the diagnosis criteria of osteoporosis.The values of BMD of scoliotic patients did not correlate with the Cobb′s angle.Conclusion:There is a lower BMD in patients with adolescent idiopathic scoliosis,and the decreased BMD does not correlate with the severity of the scoliosis.These findings suggest that the reduction of BMD might be related to the pathogenesis of idiopathic scoliosis.
出处 《中国脊柱脊髓杂志》 CAS CSCD 2004年第10期598-600,共3页 Chinese Journal of Spine and Spinal Cord
关键词 骨密度 患者 青少年特发性脊柱侧凸 严重程度 股骨近端 正常 部位 吸收 变化 Adolescent idiopathic scoliosis Bone mineral density
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参考文献9

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