异形性炎症性肌肉病的长期结果:一个大规模的纵向队列研究
Yiran Chen1, Longyang Zhu2, Chen Zong2
1Department of Rheumatology, Key Myositis Laboratories, China-Japan Friendship Hospital, Beijing, China; China-Japan Friendship Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
Journal of autoimmunity
|May 7, 2025
概括
与一般人群相比,异形性炎症性肌肉病 (IIM) 的死亡率增加,在皮肤肌炎和抗合成酶综合征等亚型中,结果和生存率存在显著差异. 长期随访显示,无药物缓解率和死亡原因各不相同,凸显了疾病的异质性.
科学领域:
- 风湿病学和免疫学
- 临床流行病学临床流行病学
- 患者研究成果研究结果
背景情况:
- 异常性炎症性肌肉病变 (IIM) 是一种罕见的自身免疫性疾病,其特征是慢性肌肉炎症.
- 了解长期结果,包括死亡率和缓解,对于患者的管理和预后至关重要.
- 在IIM亚型中存在显著的异质性,可能会影响疾病的发展和生存.
研究的目的:
- 为了调查死亡率,患者报告的结果 (PROs) 和无药物缓解 (DFR) 在一大群异常性炎症肌肉病 (IIMs) 中.
- 分析不同IIM亚型的生存率和确定与死亡率相关的因素.
- 评估 IIM 幸存者的 DFR 和 PRO 的成就.
主要方法:
- 追溯招募1,854名被诊断患有IIM的患者.
- 使用标准化死亡率 (SMR) 和卡普兰-梅尔生存分析对长达20年的随访进行死亡率分析.
- 在随访期末的幸存患者中检查PRO和DFR率.
主要成果:
- 观察到总体SMR为6.82,随访期间死亡率为18.8%. 呼吸衰竭是导致死亡的主要原因.
- 皮质神经炎 (DM) 和抗合成酶综合征 (ASS) 显示SMR高于多聚神经炎. 抗MDA5阳性DM的SMRs升高.
- 在随访时,17.1%的DM患者实现了DFR,DM患者报告了较好的PRO和较高的DFR比率与其他亚型相比.
结论:
- 与一般人群相比,IIM与死亡率显著增加有关.
- 疾病结果和生存轨迹在IIM亚型中异质,DM呈现急性阶段,ASS呈现渐进过程.
- 研究结果强调了特定亚型的管理和监测对于改善患者长期结果的重要性.
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