在美洲原住民中增加了与他类药物相关的免疫媒介性死性肌肉病的流行率和发病率
Tam N Dinh1, Evelyn E Inga1, Yvonne M Waters2
1Department of Internal Medicine, University of New Mexico Health Sciences Center, MSC 10 5550, 5th FL ACC, Albuquerque, NM, 87131, USA.
Rheumatology (Oxford, England)
|November 21, 2025
概括
与他类药物相关的免疫媒介性死肌病 (IMNM) 在美国西南部的美洲原住民中明显更为普遍. 虽然美国原住民和非美国原住民的治疗方法和结果相似,但需要进一步研究遗传和环境因素.
科学领域:
- 类风湿病学 类风湿病学
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
背景情况:
- 类他类药物相关的免疫媒介性死肌病 (IMNM) 是一种严重的异常性炎症性肌病 (IIM),与抗-3-基-3-甲基氨酸共酶A减酶 (抗HMGCR) 抗体有关.
- 了解IIM和IMNM的人口变化对于有针对性的医疗保健和研究至关重要.
研究的目的:
- 为了比较美洲原住民 (NA) 与非美洲原住民 (非NA) 在美国西南部被诊断患有IIM和他类药物相关的IMNM的特征和结果.
- 确定这些人群中与他类药物相关的IMNM的流行率和发病率.
主要方法:
- 对148名IIM患者 (33名NA,115名非NA) 的回顾性单一机构研究.
- 基于标准标准的IIM诊断;与他类药物相关的IMNM需要抗HMGCR抗体.
- 在NA和非NA组之间对人口,临床,实验室参数和结果进行比较.
主要成果:
- 与非NA相比,患有IIM的美国土著人表现出更高的超脂血症,他类药物暴露,糖尿病和食道不运动率.
- 美国原住民更频繁地检测出抗RNP和抗HMGCR抗体呈阳性.
- 据估计,与他类药物相关的IMNM的患病率和发病率在美洲原住民中明显高 (分别为182vs30.6例/10^6人口和66.4vs7.5例/年/10^6人口).
结论:
- 与他类药物相关的IMNM在美国西南地区的美洲原住民中明显更为常见.
- 对于与他类药物相关的IMNM的临床结果和治疗反应在美洲原住民和非美洲原住民之间似乎是相似的.
- 进一步调查导致印第安人IMNM易感性的遗传和环境因素是必不可少的.
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