Title The Epidemiology of Admission-Requiring Pediatric Respiratory Infections in a Japanese Community Hospital Using Multiplex PCR.
Author Inagaki, Atsushi; Kitano, Taito; Nishikawa, Hiroki; Suzuki, Rika; Onaka, Masayuki; Nishiyama, Atsuko; Kitagawa, Daisuke; Oka, Miyako; Masuo, Kazue; Yoshida, Sayaka
Journal Jpn J Infect Dis Publication Year/Month 2021-Jan
PMID 32611977 PMCID -N/A-
Affiliation + expend 1.Department of Pediatrics, Nara Prefecture General Medical Center, Japan.

Respiratory tract infections (RTIs) are the most common diseases globally among children. This study aimed to assess the epidemiology of admission-requiring pediatric RTI cases and evaluate the effect of the pathogen type on the length of hospital stay (LOS) using the FilmArray((R)) respiratory panel, a multiplex PCR test. The age-specific distribution and seasonality of viruses were investigated between March 26, 2018 and April 12, 2019. Multivariable linear regression analyses were performed to evaluate the effect of pathogen type and coinfection on LOS. Among 153 hospitalized RTI patients, respiratory syncytial virus was the leading cause of hospitalization in infants < 12 months of age (27.7%). Human metapneumovirus and parainfluenza virus were also major causes of hospitalization in patients aged 2-3 years (22.6% and 22.6%, respectively). In the multivariable linear regression model excluding rhinovirus/enterovirus, there was a significant association between viral coinfection and longer LOS (p = 0.012), while single viral infection of any type was not positively correlated with LOS. This study revealed the epidemiology of admission-requiring pediatric RTIs.

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