阴道微生物群在短宫怀孕:二次分析的Pessary与孕试验对比
Antonio G Amorim Filho1, Roberta C R Martins2, Lucas A M Franco2
1Disciplina de Obstetricia, Departamento de Obstetricia e Ginecologia, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo 05403-000, Brazil.
Diseases (Basel, Switzerland)
|October 28, 2025
概括
阴道孕激素和阿拉伯阴道干预措施没有改变高风险早产妇女的阴道微生物组. 这两种治疗方法都证明了PTB预防策略的微生物安全性.
科学领域:
- 生殖医学 生殖医学
- 微生物组研究 微生物组研究
- 产科 产科 产科 产科 产科
背景情况:
- 过早分娩 (PTB) 是新生儿死亡的主要原因,特别是在宫短的妇女中.
- 阴道失调与增加PTB风险有关.
- 孕激素 (PR) 和阿拉伯 (PE) 对阴道微生物群对PTB预防的影响尚不清楚.
研究的目的:
- 为了比较阴道孕激素和阿拉宾的阴道微生物组组成对PTB风险较高的女性的影响.
- 评估这些干预措施的微生物安全性.
主要方法:
- 一项随机试验的二次分析,涉及203名怀孕妇女,子宫长度≤25毫米.
- 44名参与者被分配给每天的阴道孕激素 (200毫克) 或阿拉伯人.
- 在基线和治疗后4周使用16S rRNA基因测序分析的阴道拭子.
主要成果:
- 大多数参与者 (80/88) 呈现出低多样性,以乳酸菌为主导的微生物群 (CST-III或CST-I/II/V).
- 在治疗后的孕激素或悲观组中,没有观察到社区状态类型 (CST),香农α多样性或Bray-Curtis不相似性的显著变化.
- 这两种干预都保持了阴道微生物组的稳定性.
结论:
- 在高风险的PTB人群中,阿拉伯人和阴道孕激素治疗保持了阴道微生物组的稳定性.
- 这些发现支持PTB预防的两种干预措施的微生物安全性.
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