I. Definition.
Recurrent respiratory tract infection is a clinical state in which the number of upper and lower respiratory tract infections occurring within 1 year is frequent and beyond the normal range.
Second, the criteria for determining recurrent respiratory tract infections in pediatric patients.
Recurrent respiratory tract infection is divided into two categories: recurrent upper respiratory tract infection and recurrent lower respiratory tract infection, and recurrent lower respiratory tract infection can be divided into recurrent tracheobronchitis and recurrent pneumonia. See Table 1.
Table 1 Judgment criteria for recurrent respiratory tract infections
Age (years)
Recurrent upper respiratory tract infection (times/year)
Recurrent lower respiratory tract infection (times/year)
Recurrent tracheitis, bronchitis
Recurrent pneumonia
0～2
7
3
2
~5
6
2
2
～5 to 14
5
2
2