EMAS发表VitD与绝经后健康的声明

2012-02-15 刘玉华 中国医学论坛报

  最近,欧洲男女更年期协会(EMAS)就维生素D(VD)与绝经后健康问题发表了立场声明,该声明发表在《欧洲更年期杂志》【Maturitas 71 (2012) 83– 88】。   该声明强调:    VD充足时不必使用强化食品;   夏天中午有规律地在太阳下照晒(不使用防晒霜)15分钟,每周3~4次,可产生健康的血清25(OH)D水平;   每日

  最近,欧洲男女更年期协会(EMAS)就维生素D(VD)与绝经后健康问题发表了立场声明,该声明发表在《欧洲更年期杂志》【Maturitas 71 (2012) 83– 88】。

  该声明强调:

   VD充足时不必使用强化食品;

  夏天中午有规律地在太阳下照晒(不使用防晒霜)15分钟,每周3~4次,可产生健康的血清25(OH)D水平;

  每日推荐的VD供给量从600IU/d(国际单位/天)增至800IU/d(≥71岁的老人);

  可采用VD2或VD3进行补充,根据使用剂量及是否存在合并症如肾病等情况进行监测。

  其他结果

  VD的天然来源主要是通过阳光照射刺激皮肤合成,饮食来源较少,如富含脂肪的鱼、蛋和牛奶等动物性食物为主的饮食。

  通过测定血清中25-羟基维生素D [25(OH)D]的浓度可确定体内 VD状态。25(OH)D理想的血清浓度范围是30~90(ng/mL)【75–225(nmol/L)】,尽管目前国际上尚未达成共识。

  25(OH)D血清浓度随季节(冬季较低)、纬度、海拔高度、空气污染和皮肤色素沉着、防晒霜的使用及衣物遮盖而波动。

  出现低血清25(OH)D浓度的危险因素包括:肥胖,吸收不良综合征,药物使用(如抗惊厥剂,抗逆转录病毒药物),皮肤老化,较少在太阳下照晒及居住于养老院。

  背景及方法

  VD缺乏不仅与骨质疏松症相关,还与心血管疾病、糖尿病、癌症、感染和神经变性疾病相关。尽管已有强有力的证据显示 VD对骨骼有影响,但 VD对非骨骼方面转归的影响还缺乏大型的前瞻性研究结果。根据文献回顾和专家意见共识,EMAS专家组对 VD在绝经妇女中的作用作了上述立场声明。

   声明全文链接:EMAS position statement: Vitamin D and postmenopausal health

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    2012-02-17 fengyi812
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    2012-02-17 zxxiang