Tetanus in Southern Vietnam: Current Situation

Tetanus in Southern Vietnam: Current Situation
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DOI:
10.4269/ajtmh.16-0470
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发表时间:
2017-01-01
影响因子:
3.3
通讯作者:
Thwaites, C. Louise
Thwaites, C. Louise
中科院分区:
医学4区
文献类型:
--
作者:
Duong Bich Thuy;Campbell, James I.;Thwaites, C. Louise

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在越南,没有关于破伤风发病率的准确数据,无法评估疾病负担或疫苗接种计划的有效性。我们分析了在越南三级转诊中心收治的786例破伤风病例的年龄结构,在18年的时间里,分别为三年,以检查破伤风预防计划的影响,即扩大免疫计划(EPI)和孕产妇和新生儿破伤风(MNT)倡议。大多数病例在开始扩大免疫方案之前出生。中位年龄从1994年的33岁(四分位数范围:20-52)增加到2012年的46岁(32-63)(P < 0.001)。1994年、2003年和2012年的分布没有变化,表明同一出生队列在1994年、2003年和2012年出现破伤风。酶联免疫吸附试验测量90名男性和90名女性覆盖MNT,但没有EPI显示73.3%(95%置信区间[CI]:62.9-82.1%)的妇女有抗破伤风抗体,而男性为24.4%(95% CI:15.9-34.7%),表明越南老年男性继续破伤风脆弱性。
In Vietnam, there are no accurate data on tetanus incidence to allow assessment of disease burden or vaccination program efficacy. We analyzed age structure of 786 tetanus cases admitted to a tertiary referral center in Vietnam for three separate years during an 18-year period to examine the impact of tetanus prevention programs, namely the Expanded Program on Immunization (EPI) and the Maternal and Neonatal Tetanus (MNT) initiative. Most cases were born before the initiation of EPI. Median age increased from 33 (interquartile range: 20-52) in 1994, to 46 (32-63) in 2012 (P < 0.001). Birth-year distribution was unchanged, indicating the same birth cohorts presented with tetanus in 1994, 2003, and 2012. Enzyme-linked immunosorbent assay measurements in 90 men and 90 women covered by MNT but not EPI showed 73.3% (95% confidence interval [CI]: 62.9-82.1%) of women had anti-tetanus antibody compared with 24.4% (95% CI: 15.9-34.7%) of men, indicating continued tetanus vulnerability in older men in Vietnam.