Osteoporos Int:女性尿酸水平或可反映腰椎骨密度

2014-01-02 佚名 丁香园

骨质疏松的发病机制中有氧化应激参与。尿酸是一种强有力的抗氧化物质,与骨矿密度有关,但是,之间关于尿酸与骨矿密度的研究产生了不一致的结果。为了调查血清尿酸与腰椎骨密度(BMD)的关系,来自日本东京大学S. Ishii教授及其团队进行了一项研究, 该研究发现绝经前和绝经后女性的尿酸水平与腰椎BMD呈线性相关。该研究结果在线发表在2013年12月07日的Osteoporos In

骨质疏松的发病机制中有氧化应激参与。尿酸是一种强有力的抗氧化物质,与骨矿密度有关,但是,之间关于尿酸与骨矿密度的研究产生了不一致的结果。为了调查血清尿酸与腰椎骨密度(BMD)的关系,来自日本东京大学S. Ishii教授及其团队进行了一项研究, 该研究发现绝经前和绝经后女性的尿酸水平与腰椎BMD呈线性相关。该研究结果在线发表在2013年12月07日的Osteoporos Int杂志上。 【原文下载】

该研究中,对2011年8月至2012年7的615例年龄45-75岁女性受试者的医疗记录进行一项回顾性分析,作为健康体检的一部分,使用双能X线吸收测定法对受试者进行腰椎BMD测量。

该研究结果表明,所有受试者的平均血清尿酸水平为4.7mg/dl.血清尿酸水平与腰椎BMD呈显著正相关,且独立于年龄、体重指数、吸烟、饮酒、体力活动、绝经后时间、糖尿病高血压、血钙、估算肾小球滤过率、血浆C反应蛋白、和血清碱性磷酸酶。60岁以前,随着年龄的增长,尿酸快速增加,但60岁以后,尿酸增速放缓,但仍持续增加。在排除60岁以上的女性后,腰椎BMD与尿酸之间仍呈显著正相关。

该研究发现,在绝经前和绝经后日本女性中,较高的尿酸水平与较高的腰椎BMD呈线性相关。需要进一步的研究阐明尿酸与BMD之间相关性的潜在机制。

研究背景:骨质疏松症是一种以骨骼脆性和骨折风险增加为特征,主要有更年期卵巢功能下降,导致性激素缺乏引起。另一方面,氧化应激也参与骨质疏松症的发病机制。例如,观察性研究提示抗氧化剂维生素C摄入增加与骨矿密度下降减缓,以及髋关节和非椎体骨折风险降低有关,而且,与没有骨质疏松的患者相比,在骨质疏松患者中观察到血浆抗氧化活性下降或高氧化应激状态。

原文出处:

Ishii S, Miyao M, Mizuno Y, Tanaka-Ishikawa M, Akishita M, Ouchi Y.Association between serum uric acid and lumbar spine bone mineral density in peri- and postmenopausal Japanese women.Osteoporos Int. 2013 Dec 7. 【原文下载】

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    2014-09-16 tidiq
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    2014-01-09 gumin

    尿酸是近年来研究热点,与众多疾病有关。大家在临床上注意收集这方面数据

    0

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    2014-01-04 lsndxfj