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KMID : 1040320230300030111
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Pediatric Infection & Vaccine
2023 Volume.30 No. 3 p.111 ~ p.120
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Severe Human Rhinovirus Lower Respiratory Tract Infections in Young Children
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Kim Doo-Ri
Kim Kyung-Ran
Park Hwan-Hee
Park Esther
Cho Joong-Bum
Kim Jih-Hyun
Huh Hee-Jae
Ahn Kang-Mo
Lee Nam-Yong
Kim Yae-Jean
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Abstract
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Purpose: Human rhinovirus (HRV) infections can result in lower respiratory tract infections (LRTIs). We aimed to investigate the characteristics of severe HRV LRTI in young children.
Methods: Medical records were reviewed retrospectively in patients who were hospitalized for HRV LRTIs from 2016 to 2020 at the Samsung Medical Center in Seoul, Korea. Patients aged 90 days or older and younger than 5 years were included. Patients with co-infections with other respiratory pathogens were excluded. Severe HRV LRTI was defined as the following: the need for high-flow oxygenation, mechanical ventilation, or intensive care unit admission.
Results: A total of 115 cases were identified. The median age was 17 months (range, 3?56 months) and the median hospital days were 4 days (range, 2?31 days). Of the 115 cases, 18 patients (15.7%) developed severe HRV LRTI. The median age was younger in the severe group compared to the non-severe group (9.5 months vs. 19.0 months, P=0.001). Of 18 patients with severe HRV LRTI, 11 (61.1%) had underlying diseases ? chronic lung diseases accounted for the largest proportion (63.6%). Six patients (33.3%) required mechanical ventilation. Of note, 7 previously healthy children were diagnosed with severe HRV LRTI.
Of those 7 children, 4 of them were diagnosed with asthma later. When the 115 cases were divided into previously healthy (n=60) and underlying disease (n=55) groups, severe courses of HRV LRTI were observed in 11.7% and 20.0% of children, respectively (P=0.219).
Conclusions: HRV can cause severe LRTI even in previously healthy children as well as in children with comorbidities.
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KEYWORD
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Rhinovirus, Child, Respiratory tract infection, Intensive care units
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