Study on Etiology of Acute Pneumonia in Children in Suzhou Area / 实用儿科临床杂志

ABSTRACT

Objective To investigate etiology of acute pneumonia in children in order to provid basis for clinical diagnosis and treatment.Methods The children with acute pneumonia who were hospitalized in children's hospital affiliated to Suzhou university were selected.And the sputum of them were collected.Bacteria and virus were tested using sputum culture and direct immunofluoresence respectively.Antibodies against mycoplasma and chlamydia were detected by enzymelinked immunosorbent assay(ELISA) in paired sera. Results Microbial etiology was obtained in 360 cases (67.7%) of 532 patients.Viral infections were in 178 cases (33.5%).Bacterial infections were in 23 cases (4.3%),mycoplasma pneumoniae 50 cases (9.4%) and chlamydia pneumoniae 19 cases (3.6%),compound infections 90 cases (16.9%).Respiratory syncycial virus was the major viral pathogen,streptococcus pneumoniae were the prominent pathagens of bacterial pneumonia,followed by haemophilus influenza.Conclusions Viral infection is the most common cause of acute pneumonia in children in Suzhou area during winter and spring,followed by mycoplasma pneumoniae,bacteria and chlamydia pneumoniae.Mycoplasma pneumoniae infection is more common in children older than 3 years,chlamydia pneumoniae infection is more in infants less than 3 months,most of compound infection children were below the age of 3 years.