在西班牙裔美国人中,与他类药物相关的免疫媒介性死性肌肉病变
Tam N Dinh1, Sharon E Nunez1, Kristin M Gonzales1
1Department of Internal Medicine, MSC 10 5550, 5th FL ACC, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA.
Seminars in arthritis and rheumatism
|May 30, 2025
概括
美国西南部的西班牙裔人显示,他类药物诱导的抗-3-基-3-甲基氨酸辅酶A减少酶 (anti-HMGCR) 抗体免疫介导性菌性肌病 (IMNM) 的比率更高. 他们也表现出与癌症相关的异常性炎症性肌肉病变 (IIM) 的发病率较低.
科学领域:
- 类风湿病学 类风湿病学
- 免疫学 免疫学 免疫学
- 流行病学 流行病学
背景情况:
- 具有肌肉衰弱和炎症的异常性炎症性肌肉病变 (IIM).
- 免疫媒介性死肌病 (IMNM) 是一种IIM的亚型,与抗-3-基-3-甲基氨酸辅酶A减少酶 (抗HMGCR) 抗体有关.
- 已观察到抗HMGCR抗体IMNM患病率的区域差异.
研究的目的:
- 为了比较IIM和IMNM在美国西南部成年西班牙裔和非西班牙裔高加索人群中的流行病学.
- 调查这些群体之间的风险因素,临床特征和结果的差异.
主要方法:
- 对97名IIM成年患者的回顾性分析,他们自称是西班牙裔或非西班牙裔.
- 糖尿病,高脂血症,他类药物暴露,肌肉病诊断,肌肉组织学,自身抗体,心声学,间歇性肺病,治疗和结果的统计比较.
主要成果:
- 西班牙裔占研究队伍的64%.
- 在西班牙裔中增加了他类药物诱导的抗HMGCR抗体IMNM (22.6%对5.7%) 和糖尿病 (46.8%对25.7%) 的患病率.
- 与非西班牙裔相比,与癌症相关的IIM在西班牙裔 (11.3%与31.4%) 的患病率较低.
结论:
- 在美国西南部的西班牙裔人口中,他类药物诱导的抗HMGCR抗体IMNM的发病率更高.
- 在西班牙裔个人中,癌症相关的IIM的发病率较低.
- 需要进一步的研究来确定遗传,环境或因糖尿病而增加的他类药物暴露是否有助于这些观察到的差异.
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