Ann Intern Med:警惕!常吃红米可能会导致严重肌病!

2018-03-23 朱柳媛 中国循环杂志

近期,加拿大的几位医生在《内科学年鉴》杂志上发表了一个病例报告。这名57岁的女性患者发病前身体健康,没有用过他汀类药物,也没用过其他药物、中草药、补充剂、保健品,但却出现了免疫介导的坏死性肌病。

近期,加拿大的几位医生在《内科学年鉴》杂志上发表了一个病例报告。这名57岁的女性患者发病前身体健康,没有用过他汀类药物,也没用过其他药物、中草药、补充剂、保健品,但却出现了免疫介导的坏死性肌病。

2周前,患者的肩外展肌以及髋部和脖子髋屈肌部位开始出现进展性的严重肌痛和明显的无力感,同时还有吞咽困难。

经检查,患者体内存在HMG-CoA还原酶的抗体。HMG-CoA还原酶就是他汀作用的靶子。患者的血肌酐也升高。

经排除,医生们最后认为,罪魁来自于患者的饮食,也就是说患者的饮食中有他汀样物质。

患者反映,她过去几个月内一直每天至少要吃两杯(480 g)Camargue红米。

医生们恍然大悟,尽管红米中不含他汀,但是患者所吃的红米的量等于每天吃进去2 g的植物甾醇,后者可以通过抑制HMG-CoA还原酶来降低LDL-C水平,这种机制跟他汀的作用机制类似。

红曲米实际上就是天然的他汀类似物。我们熟知的血脂康就是由粳米接种特殊红曲菌,采用现代生物制药工艺发酵、精制而成,其主要成分为洛伐他汀等13种同系物,含有8%的不饱和脂肪酸、甾醇和少量黄酮类物质等。

据报道,在HMG-CoA还原酶相关肌病患者中,大约30%并没有服用过他汀。

患者后来接受强的松和免疫球蛋白后,乏力和肌痛等症状减轻,但吞咽困难仍持续存在。

4个月后,患者的血肌酐水平恢复正常,强的松逐渐减量、停药。

1年以后,患者仍有吞咽困难,只能进细碎的食物和流食,每个月继续静脉滴注免疫球蛋白治疗1次。

原始出处:
Barbacki A, Fallavollita SA, Karamchandani J,et al.Immune-Mediated Necrotizing Myopathy and Dietary Sources of Statins.Ann Intern Med. 2018 Feb 20. doi: 10.7326/L17-0620. [Epub ahead of print]

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    2018-03-29 秀红

    学习了

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    2018-03-24 雅文博武

    学习了很多先进的医学

    0