Căn nguyên virus và một số yếu tố liên quan trong viêm tiểu phế quản ở trẻ em

Bronchiolitis is a common lower respiratory infection in children under 2 years old, caused by a viral etiology. The proportion of children with bronchiolitis requiring hospitalization has been increasing rapidly in recent years, especially in the groups with risk factors. A descriptive and prospective research with the aim of identifying the viral etiology and a number of related factors based on the diagnostic criteria, severe classification of the Royal Children's Hospital of Melbourne, 2017; virus is determined by in vitro molecular amplification technique (Realtime PCR) for Adenovirus, Rhinovirus and rapid test for detection of antigens for RSV, influenza A, and influenza B . Results showed that there were 134 patients with bronchiolitis, of which patients with severe bronchitis accounted for 17.2%; the rate of children under 12 months old accounts for 80.6%; The male / female ratio is 2.19 / 1; Virus were identified in 70.9% of cases RSV 47.8%, Rhinovirus 33.0%, Adenovirus 13.1%, influenza A 6.1%, influenza B 0%, co-infection rates of 2 types of virus was 14.7% and RSV infection was a factor associated with severe and moderate bronchitis requiring hospitalization.