摘要
目的通过对髋部不同屈度的腰椎骨密度的测量，了解不同屈度变化对腰椎骨密度测量的影响。方法随机选择患者40例，平均年龄58．3岁（38～82岁），平均身高162．2cm（143～180cm），平均体重62．4kg（32～90kg），在屈髋90°、屈髋45°、髋直位（屈髋0°）状态下分别测量腰椎（L2，L3，L4）骨密度，每一体位测量，均要求受试者下测量床，然后再重新上测量床摆体位。分析比较不同屈度下的腰椎（L2，L3，L4）骨密度变化。结果由屈髋90°→屈髋45°、屈髋90°→髋直位（屈髋0°）及屈髋45°→髋直位（屈髋0°）变化时，L2、L3及L4骨密度均有明显的相关性变化（P〈0．05）。但随着髋部屈度的改变，腰椎（L2，L3，L4）骨密度测量值差别无统计学上显著性差异（P〉0．05）。结论髋部屈度改变所测得的腰椎骨密度值在统计学上差异无显著性（P〉0．05），因此对某些无法屈髋90°做腰椎测量者可考虑尝试改用屈髋45°或髋直位（屈髋0°）体位做测量检查。
Objective To measure spine bone mineral density （BMD） on different sciatic bends and to know the influence of sciatic bend during spine densitometry. Methods Forty subjects were recruited at random sampling, the average age was 58.3 years old （38- 82 years old）, the average height was 162.2 cm （143 - 180cm）, the average weight was 62.4 kg （32 - 90kg）, BMD measurement of spine was done in sciatic bend 90 degrees, 45 degrees, neutral position （0 degrees） . The each subject was asked to go down scan table and reposition after each measurement in different bends. Results Statistical analysis showed a significant positive correlation for spine BMD change between sciatic bend 90 degrees to 45 degrees, sciatic bend 90 degrees to neutral position （0 degrees） and sciatic bend 45 degrees to neutral position（P 〈0.05）. Spine （L2, L3, L4） BMD has non-significant difference （ P 〉 0.05） between sciatic bend 90 degrees, 45 degrees, neutral position. Conclusions sciatic bend was shown to have non-significant effect on spine（L2, L3, L4 ） BMD measurement （P 〉 0.05）. The sciatic bend 45 degrees or neutral position will be attempted to accept by the subjects who couldn＇t sciatic bend 90 degrees.
出处
《中国骨质疏松杂志》
CAS
CSCD
2009年第3期187-188,182,共3页
Chinese Journal of Osteoporosis
关键词
髋部屈度
腰椎
骨密度
Sciatic bend
Spine
Bone mineral density （BMD）
