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PPT丨新生儿常见呼吸道病毒感染预防的专家建议

  • 2026-06-20 06:33:14
PPT丨新生儿常见呼吸道病毒感染预防的专家建议
文献速览

1. 新生儿流感病毒感染的预防

  • 概述:流感病毒分甲、乙、丙、丁 4 型,我国南北方流感流行季节有差异。新生儿流感症状不典型,有接触史需尽早检查。儿童流感首选奥司他韦,美国 FDA 批准其用于≥2 周龄患者,我国对小于 2 周龄新生儿有剂量推荐。
  • 预防策略
    • 医护人员接种疫苗:产科、儿科医护人员应每年常规接种流感四价疫苗,降低新生儿医源性传播风险。
    • 孕妇及产妇接种疫苗和治疗:孕妇分娩前及产后 2 周内、可能妊娠者应接种灭活流感疫苗;哺乳期妇女确诊流感,可口服奥司他韦治疗并继续母乳喂养。
    • 疑似或确诊流感母亲与新生儿处理:应暂时分离,新生儿由健康照护者喂养母乳;无症状健康足月新生儿,不推荐常规用奥司他韦预防。

2. 新生儿 RSV 感染

  • 概述:RSV 为单股负链 RNA 病毒,传染性强,是婴幼儿急性下呼吸道感染重要病原,新生儿易感,尤其是早产儿等有危险因素者,感染后并发症风险增加。我国北方冬季和春季为流行季,尚无有效治疗药物。
  • 预防策略
    • 非药物干预措施:戴口罩、洗手、免聚集等切断传播途径方式有效,RSV 流行季避免新生儿处于人多聚集环境,相关人员保持良好卫生习惯,新生儿病房对感染患儿集中隔离。
    • 孕妇主动 RSV 免疫:孕妇妊娠 24 - 36 周接种 RSVpreF 疫苗,可降低出生至 6 月龄婴儿 RSV 相关下呼吸道感染风险,疫苗耐受性良好,已获美国 FDA 批准,美国 CDC 推荐季节性接种。
    • 预防用单克隆抗体:RSV 流行季前和流行季内,预防用单克隆抗体可用于预防 RSV 感染,对高危早产儿意义更大,如 palivizumab 和 nirsevimab,后者已在我国获批用于预防 1 岁内婴儿 RSV 感染。

3. SARS-CoV-2 感染的防控

  • 概述:SARS-CoV-2 为 β 属冠状病毒,新生儿传染源主要为感染母亲或其他亲属、医护人员,早产儿易感,感染后症状多轻微,确诊需核酸检测,以对症支持治疗为主。
  • 预防策略
    • 疑似或确诊感染母亲分娩及母婴处理:应在专用产房或手术室分娩,临床表现轻微可母婴同室,鼓励母乳喂养,母亲接触新生儿前后需严格洗手、佩戴口罩,同居家长也需注意防护。
    • 疑似或确诊感染新生儿转运及治疗:应在密闭暖箱内转运,在新生儿单间病房观察 / 治疗,保持床间距,医护人员做好防护,确诊病例达到出院标准可出院,非专用、非一次性医疗设备应清洁消毒。

4. 小结及展望

      3 类呼吸道病毒是我国儿童呼吸道感染主要病原,除流感病毒外其他两类无特效治疗药物,加强预防重要。目前尚无新生儿疫苗,孕期相关疫苗接种意义重大,孕妇流感疫苗接种国内已推荐,RSV 孕妇疫苗接种国外已推荐,国内处于临床研究阶段,预防 RSV 感染的单克隆抗体已在国内外获批应用,期待进一步研究评估。

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  1. CONNECT:[ UseTime:0.000919s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001348s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000726s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.007952s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001460s ]
  6. SELECT * FROM `set` [ RunTime:0.000535s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001509s ]
  8. SELECT * FROM `article` WHERE `id` = 535000 LIMIT 1 [ RunTime:0.017435s ]
  9. UPDATE `article` SET `lasttime` = 1782244753 WHERE `id` = 535000 [ RunTime:0.018388s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000374s ]
  11. SELECT * FROM `article` WHERE `id` < 535000 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.005204s ]
  12. SELECT * FROM `article` WHERE `id` > 535000 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001091s ]
  13. SELECT * FROM `article` WHERE `id` < 535000 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.006358s ]
  14. SELECT * FROM `article` WHERE `id` < 535000 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.026820s ]
  15. SELECT * FROM `article` WHERE `id` < 535000 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.018868s ]
0.277104s