Özet:

Acute bronchiolitis is the most common disease of the lower respiratory tract caused by inflammatory obstruction of small airways, especially in children under two years of age. Some predisposing factors and underlying diseases can cause recurrent attacks in bronchiolitis. The aim of this study was to evaluate the recurrent bronchiolitis-diagnosed infants retrospectively. The files of 759 patients with acute bronchiolitis aged between 1-24 months, who were followed-up in the infant-care unit of our hospital between January 1, 2016 and December 31, 2017, were reviewed retrospectively for two years. 231 patients with multiple episodes were included in the study. Demographic characteristics of patients such as age, gender, number of attacks, first episode age were examined. Echocardiography, findings of respiratory tract viral panel examinations, history of recurrent episodes, premature birth, history of atopy in the patient and family were recorded. A total of 231 patients with recurrent bronchiolitis who were hospitalized between January 1, 2016 and December 31, 2017 were included in the study. When the age groups of the patients were examined, the most crowded group consisted of 1-6 months patients. Most of the patients (70.6%) were admitted to hospital in spring and winter. Diseases thought to prepare the ground for recurrence of attacks; viral bronchiolitis, gastroesophageal reflux, congenital heart disease, cystic fibrosis, wheezing infant. According to the results of the respiratory tract viral panel, viral bronchiolitis was the most common cause of respiratory syncytial virus, parainfluenza and rhinovirus. Knowing the factors that cause the recurrence of attacks in acute bronchiolitis will reduce the rate of hospitalization by early diagnosis and treatment.

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