Abstract: Objective:To analyze the diagnosis of disease spectrum in children with acute respiratory tract infections in Baoji and preventive health care measures.
Methods:The clinical date of the children hospitalized for respiratory infection in Baoji Children's Hospital from January to December of 2015 were downloaded from the His system of the hospital, including age, gender, locating of lesion and the diagnosis and prognosis.
Results:There were totally 8 595 cases of respiratory infection, accounting for 57.9%(8 595/14 842) of all the children hospitalized in the hospital in 2015, among which 23.6%(2 029/8 595) were acute upper respiratory infection, 76.4%(6 566/8 595) lower. Among those with lower infection,23.1%(1 983/8 595) were with tracheal and bronchial involvement; there were 4 583 cases of infancy pneumonia, accounting for 53.3%(4 583/8 595). The occurrence rate of upper and lower respiratory infection was different in each age group; the peak age of onset was between 3 months and 1 year. The hospitalization rate of those with lower respiratory infection was 3.2 times of that of those with acute upper respiratory infection. Acute respiratory infection was also the first cause of death in Baoji, accounting for 38.7% of all the causes of death(12/31), and 32.3%(10/31) of the children died of neonatal pneumonia and severe pneumonia.
Conclusion:Respiratory infection is the first cause of hospitalization in children of Baoji. The disease spectrum is various, with the peak between 3 months and one year old. The hospitalization rate for lower respiratory infection is much higher than that for acute upper infection. Pneumonia is still the first cause of death in children in Baoji. It's better to do a good job in prevention and healthcare of children of all ages and to improve diagnosis and treatment level in order to reduce the occurrence rate of acute respiratory infection, increase the success rate and decrease the death rate.

Key words: Respiratory tract infections, Spectrum of diseases, Diagnosis, Prevention, Measures, Children