在全球健康研究的肠道中定义严重的甲状腺疹:在患有甲状腺疹腹的儿童中比较主要腹严重性的定义
Olivia Lang Schultes1, Aneeta Hotwani2, Patricia B Pavlinac1
1Department of Global Health, University of Washington, Seattle, Washington, USA.
The Journal of infectious diseases
|December 11, 2025
概括
修改后的Vesikari评分 (MVS),腹的MVS和MAL-ED评分有效地识别了儿童的严重Shigella感染,有助于疫苗的开发. 这些得分预测了不良结果,这对西格拉疫苗临床试验至关重要.
科学领域:
- 传染性疾病 传染性疾病
- 儿科 儿科 儿科
- 疫苗学 疫苗学 疫苗学
背景情况:
- 滋格拉菌感染对全球的健康造成重大负担,特别是在幼儿中,具有严重的长期后果.
- 滋格拉菌中抗生素耐药性不断增加,迫切需要开发有效的疫苗.
- 为西格拉疫苗试验选择适当的临床疗效终点至关重要,需要评估现有的腹严重程度定义.
研究的目的:
- 为了比较六种不同的腹严重程度定义在儿童的性能,与希格拉菌感染.
- 评估这些定义能够预测关键不良结果的能力,包括增长失速和死亡率/住院治疗.
- 为了确定最适合的病例定义,用于Shigella疫苗疗效试验.
主要方法:
- 七个国家的6至35个月大的腹儿童被纳入一个队列.
- 评估了6个腹严重性得分 (GEMS MSD,MVS,MVS+/-腹,克拉克,MAL-ED,西格拉死亡率).
- 用回归,诊断准确度和ROC曲线对长度/身高相对于年龄的z-score (ΔLAZ/HAZ) 和14天死亡或住院的变化进行了评估.
主要成果:
- 三种定义 (MVS,MVS +/- 痢疾,MAL-ED) 显示中度/重度腹与 ΔLAZ/HAZ 有显著的负相关性.
- 在预测死亡或住院治疗方面,GEMS MSD,MAL-ED,MVS +/-痢疾和MVS表现出高度敏感性.
- 希格拉菌死亡率得分显示了预测不良结果的曲线下最大的区域 (91.0).
结论:
- 修改后的Vesikari评分 (MVS),腹的MVS和MAL-ED评分在识别患有Shigella腹的儿童的不良结果方面是有效的.
- 这些验证的得分代表了在未来的西格拉疫苗疗效试验中建立病例定义的可行选择.
- 这项研究为优化西格拉疫苗试验设计和终点选择提供了关键数据.
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