预防实验室获得的Toxoplasma gondii感染:文献审查和基于病例的暴露后预防建议
Diana Póvoas1,2, Jocelyne Demengeot2, Fernando Maltez3
1Infectious Diseases Unit, Hospital de Curry Cabral, Unidade Local de Saúde São José, Lisbon, Portugal.
Frontiers in public health
|February 6, 2026
概括
一名实验室研究人员意外暴露在高毒性Toxoplasma gondii菌株中,接受了三甲胺-硫甲醇暴露后预防 (PEP). 血清转化发生在没有症状的情况下,强调了对Toxoplasma gondii暴露的职业安全协议的需要.
科学领域:
- 传染性疾病 传染性疾病
- 职业健康 职业健康 职业健康
- 寄生虫学的寄生虫学
背景情况:
- 职业接触 *Toxoplasma gondii* 可能发生在实验室环境中.
- 在意外暴露*Toxoplasma gondii*后,缺乏关于预防感染和暴露后预防 (PEP) 的既定指南.
- 意外刺针伤害可能会导致实验室感染的风险.
研究的目的:
- 报告实验室获得的毒素菌病的临床病例.
- 在没有正式的指导方针的情况下,为职业 *Toxoplasma gondii* 暴露提出一个暴露后预防 (PEP) 协议.
- 强调监测和管理策略对实验室人员处理*Toxoplasma gondii*的重要性.
主要方法:
- 一个案例研究描述了一个健康的,毒素阳性的女性研究人员的管理,该研究人员在意外刺穿针头后,用一种高毒的毒素菌株进行了治疗.
- 实施一个为期4周的暴露后预防 (PEP) 方案,使用三甲胺-硫甲醇.
- 使用电化学发光免疫试验 (ECLIA) 进行血清学监测,检测*毒素*IgM和IgG抗体,随访期为1年.
主要成果:
- 在暴露后的21天和50天,IgM和IgG血清转化发生.
- 尽管有血清转化,但患者在整个1年的随访期间仍然无症状.
- 拟议的PEP治疗方案在没有立即不良影响的情况下实施.
结论:
- 职业实验室暴露于 *Toxoplasma gondii* 需要谨慎管理和监测.
- 一个标准化的PEP协议,如提出的一种,对于处理*Toxoplasma gondii*的实验室至关重要.
- 积极的措施和明确的PEP策略可以减轻与意外职业暴露*Toxoplasma gondii*相关的风险.
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