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哮喘患儿要补充镁

来源:华人健康网 | 发布时间:2011-03-09 16:24:02 | www.chinesejk.com

  哮喘儿可能会在哮喘发作期出现低镁状态,细胞内低镁可导致前列腺素合成增加,提高组胺的释放量,从而引起粘膜充血水肿,支气管平滑肌痉挛,以致气道高反应和激发哮喘的发作。

  因此,当患儿反复发作时应注意测定血清镁离子和尿镁离子,如果是镁离子缺乏,则应给予补镁。

  补镁的途径主要是通过食物补充。含镁的食物主要为绿叶蔬菜、粗粮、坚果等。此外,多喝水能起到促进镁吸收的作用。如果患儿处在哮喘发作频繁期,可在医生指导下口服或静脉补镁,以促进症状缓解,减少发作次数。

(编辑:小鱼 )

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