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婴儿(年龄小于 3 个月)的流感病毒感染。

Influenza virus infection in infants less than three months of age.

机构信息

University of Utah School of Medicine, Department of Pediatrics, Division of Pediatric Infectious Diseases, PO Box 581289, Salt Lake City, UT, USA.

出版信息

Pediatr Infect Dis J. 2010 Jan;29(1):6-9. doi: 10.1097/INF.0b013e3181b4b950.

Abstract

OBJECTIVE

We evaluated the presentation, outcomes, and the risk of serious bacterial infection (SBI) in infants <3 months old with influenza virus infection.

PATIENTS AND METHODS

We identified demographic, hospitalization, and microbiologic data from computerized medical records for all infants and children <24 months of age, with laboratory confirmed influenza infection cared for at a tertiary care children's hospital during 4 winter seasons (2004-2008). We compared those <3 months of age with older groups.

RESULTS

We identified 833 children <24 months of age with laboratory-confirmed influenza. Of those, 218 were <3 months old. Influenza accounted for 3.6% of all evaluations of febrile infants and 12% of febrile infant encounters during winter. Infants <3 months of age were less likely to have a high risk chronic medical condition, but were more likely to be hospitalized than children 3 to <24 months old (P < 0.005). Infants <3 months with influenza had fewer prolonged hospital stays than those 3 to <6 months old [P = 0.056; OR: 0.5 (0.24-1.0)] and 6 to <12 months old [P = 0.011; OR: 0.43 (0.24-0.83)]. Five (2.3%) infants <3 months old had SBI.

CONCLUSIONS

Infants <3 months of age with influenza virus infection often present with fever alone. Although they are more likely to be hospitalized than those 3 to <24 months old, hospital stays are short and outcomes generally good. Infants with influenza virus infection have a low risk of concomitant SBI.

摘要

目的

我们评估了 <3 个月大的流感病毒感染婴儿的表现、结局以及严重细菌感染(SBI)的风险。

患者和方法

我们从一家三级儿童医院的计算机病历中确定了所有 <24 个月大的婴儿和儿童的人口统计学、住院和微生物学数据,这些儿童患有经实验室确认的流感感染,并在 4 个冬季(2004-2008 年)期间接受治疗。我们将 <3 个月大的婴儿与年龄较大的组进行了比较。

结果

我们共确定了 833 名 <24 个月大的实验室确诊流感患儿,其中 218 名 <3 个月大。流感占所有发热婴儿评估的 3.6%,也是发热婴儿冬季就诊的 12%。 <3 个月大的婴儿患高风险慢性疾病的可能性较小,但住院的可能性大于 3 至 <24 个月大的婴儿(P < 0.005)。与 3 至 <6 个月大的婴儿相比(P = 0.056;OR:0.5 [0.24-1.0])和 6 至 <12 个月大的婴儿相比(P = 0.011;OR:0.43 [0.24-0.83]), <3 个月大的流感婴儿住院时间更短。5 名(2.3%)<3 个月大的婴儿发生严重细菌感染。

结论

<3 个月大的流感病毒感染婴儿常以发热为唯一表现。虽然与 3 至 <24 个月大的婴儿相比,他们更有可能住院,但住院时间较短,结局通常较好。流感病毒感染的婴儿并发严重细菌感染的风险较低。

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