辛大森;范猛;姜文学;

• 1:天津医科大学一中心临床学院
• 2:天津市第一中心医院骨科

摘要(Abstract)：

[目的]探讨雷奈酸锶预防大鼠创伤性股骨头坏死塌陷的疗效。[方法]将60只SD大鼠随机分成A、B、C、D四组,每组15只。A组为安慰剂组,在建立股骨头坏死模型后给予生理盐水治疗;B组为阿仑膦酸钠治疗组,在建立股骨头坏死模型后给予阿仑膦酸钠治疗,C组为雷奈酸锶治疗组,在建立股骨头坏死模型后给予雷奈酸锶治疗;D组为假手术组,为阳性对照。术后5周处死大鼠,取术侧股骨分别行常规HE染色、X线及Micro-CT检测。[结果]与D组相比,大体标本观察A、B、C三组股骨头变形及关节面缺损程度依次减轻。HE染色显示,C组组织坏死明显少于A和B组。股骨头高度与宽度的比值A组0.05)。Micro-CT分析结果显示,A、B、C组的骨小梁平均数目显著少于D组,骨小梁平均间距显著高于D组(P均<0.05);C组的骨小梁平均数目显著多于B组,骨小梁平均间距显著低于B组(P均<0.05);B组的骨小梁平均数目显著多于A组,骨小梁平均间距显著低于A组(P均<0.05)。B、C、D三组的骨小梁平均厚度差异无统计学意义(P均>0.05),但都小于A组。股骨头骨体积、骨表面积及骨矿盐密度由高到低依次为D组>C组>B组>A组(P均<0.05)。[结论]雷奈酸锶可以减少骨破坏,增加骨量,改善微观结构,保存股骨头形态,对大鼠创伤性股骨头坏死塌陷具有一定的预防作用。

关键词(KeyWords)： 股骨头坏死;塌陷;雷奈酸锶;阿仑膦酸钠;Micro-CT

Abstract:

Keywords:

基金项目(Foundation): 天津市卫生局科技基金(项目编号:2012KY09);天津市卫生局科技基金重点攻关课题(项目编号:KG109)

作者(Author): 辛大森;范猛;姜文学;

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DOI:

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