Abstract
Aim:Acute respiratory tract infections are among the most common infectious diseases worldwide. Respiratory viruses are the leading cause of respiratory infections in children. Herein, we aimed to determine the epidemiologic and clinical feautures of viral agents among hospitalized children with lower respiratory tract infections.Material and Methods:Nasopharyngeal swab specimens were obtained from the 422 patients hospitalized with a diagnosis of lower respiratory tract infections between December 2012 and December 2016. Multiplex reverse-transcription polymerase chain reaction was performed for the detection of viruses.Results:Viral respiratory pathogens were detected in 311 patients (73.7%). In regard to respiratory virus subtypes, 103 patients (33.1%) had respiratory syncytial virus, 102 (32.7%) had human rhinovirus, 49 (15.7%) had multiple viruses, 15 (4.8%) had parainfluenzavirus, 13 (4.1%) had adenovirus, nine (2.8%) had human metapneumovirus, eight (2.5%) had human coronaviruses, six (1.9%) had bocavirus, five (1.6%) had influenza virus, and one patient (0.3%) had enterovirus. The median age was lower in patients with multiple viruses (p<0.001). The respiratory syncytial virus was more commonly detected in patients with a history of prematurity (p<0.001). Stridor was more common in other viruses including parainfluenza viruses (p<0.001).Conclusion:Respiratory viruses are the main causative agents of respiratory tract infections in children. Timely and accurate detection of viruses is necessary in terms of public health. The detection of respiratory viruses also contributes to epidemiologic results and vaccine studies.
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