在西班牙的HTLV-1-相关骨髓病
Carmen de-Mendoza1, Leire Pérez2, Ariadna Rando3
1Puerta de Hierro University Hospital & Research Foundation-IDIPHISA, Madrid, Spain.
概括
人类T淋巴体病毒1型 (HTLV-1) 感染导致西班牙的HTLV-1-关联骨髓病 (HAM),主要影响中年女性移民. 大多数患者需要轮椅,治疗效果有限.
科学领域:
- 神经学 神经学
- 传染性疾病 传染性疾病
- 流行病学 流行病学
背景情况:
- 人类T淋巴细胞病毒1型 (HTLV-1) 是一种被忽视的全球感染,影响超过1000万人.
- HTLV-1相关性骨髓病变 (HAM) 是一种进展性神经疾病,约5%的HTLV-1携带者患有该疾病.
- 西班牙是一个非特有国家,主要通过从特有地区的迁移经历HTLV-1传播.
研究的目的:
- 在西班牙诊断出HAM的患者的主要特征.
- 分析HAM在非流行性环境中的发病率,人口统计,传播途径和临床结果.
主要方法:
- 追溯分析到2022年在西班牙记录的HTLV-1和HAM病例.
- 收集人口统计数据,包括患者的年龄,性别和原产地.
- 调查传播途径,病毒亚型和病毒载量.
- 对治疗疗效和患者结果的评估.
主要成果:
- 在451例HTLV-1病例中,58例 (12.9%) 被诊断为HAM,每年有2-3例新病例.
- 大多数HAM患者是中年女性 (76%),近60%是拉丁美洲移民.
- 性传播是最常见的途径,但在6例病例中,固体器官移植被确定为传播源,导致快速骨髓病变.
- HTLV-1亚型1a是唯一在HAM患者中发现的变异.
- 与无症状携带者相比,HAM患者的HTLV-1前病毒载量显著更高.
- 抗逆转录病毒疗法显示有效性有限;物理治疗和缓解症状是管理的主要支柱.
- 三分之二的HAM患者经历了严重的残疾,包括轮椅依赖和关节失禁.
结论:
- 在西班牙,HAM是HTLV-1的最常见的临床表现,不成比例地影响中年移民女性.
- 尽管接受治疗,但很大一部分患者会出现严重的神经功能障碍和残疾.
- 这些发现强调了在具有大量移民人口的非特有国家承认HTLV-1和HAM的重要性.
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