2019冠状病毒病疫情期间日本大阪流感感染率的降低：一项基于人群的ORION登记研究
Reduction of influenza in Osaka, Japan during the COVID-19 outbreak: a population-based ORION registry study.
作者信息
Hirose Tomoya, Katayama Yusuke, Tanaka Kenta, Kitamura Tetsuhisa, Nakao Shunichiro, Tachino Jotaro, Nakao Shota, Nitta Masahiko, Iwami Taku, Fujimi Satoshi, Uejima Toshifumi, Miyamoto Yuji, Baba Takehiko, Mizobata Yasumitsu, Kuwagata Yasuyuki, Shimazu Takeshi, Matsuoka Tetsuya
机构信息
The Working Group to Analyze the Emergency Medical Care System in Osaka Prefecture.
Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, 2-15 Yamadaoka, Suita, Osaka 565-0871, Japan.
出版信息
IJID Reg. 2021 Dec;1:79-81. doi: 10.1016/j.ijregi.2021.10.002. Epub 2021 Oct 14.
OBJECTIVES
The spread of COVID-19 has affected the incidence of other infectious diseases, but there are no reports of studies using comprehensive regional population-based data to evaluate the impact of COVID-19 on influenza incidence. We attempted to evaluate the impact of COVID-19 on influenza using the population-based ORION (Osaka Emergency Information Research Intelligent Operation Network) registry.
METHODS
The ORION registry of emergency patients treated by emergency medical service (EMS) personnel was developed by the Osaka Prefecture government. From ORION, we included emergency patients with influenza using the ICD (International Statistical Classification of Diseases and Related Health Problems) 10 codes. Influenza incidence rate ratio (IRR) and associated 95% CI were calculated.
RESULTS
The number of influenza patients transported by EMS decreased during the COVID-19 pandemic. The IRR showed a substantial decrease in influenza patients in 2020 (IRR 2020/2018 0.39, 95% CI 0.37-0.41).
CONCLUSIONS
A comprehensive regional analysis using the population-based ORION registry confirmed that from January 2020, when the first confirmed cases of COVID-19 infection were reported in Osaka, Japan, the number of influenza patients transported by EMS decreased dramatically.
目的
新型冠状病毒肺炎（COVID-19）的传播影响了其他传染病的发病率，但尚无研究报告使用基于区域总体人群的数据来评估COVID-19对流感发病率的影响。我们试图利用基于人群的ORION（大阪紧急信息研究智能运营网络）登记系统来评估COVID-19对流感的影响。
方法
大阪县政府建立了由紧急医疗服务（EMS）人员治疗的急诊患者的ORION登记系统。我们从ORION中纳入了使用国际疾病分类（ICD）第10版编码的流感急诊患者。计算流感发病率比（IRR）及相关的95%置信区间（CI）。
结果
在COVID-19大流行期间，由EMS转运的流感患者数量减少。IRR显示2020年流感患者大幅减少（2020年/2018年IRR为0.39，95%CI为0.37 - 0.41）。
结论
使用基于人群的ORION登记系统进行的全面区域分析证实，自2020年1月日本大阪报告首例COVID-19感染确诊病例以来，由EMS转运的流感患者数量急剧下降。
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