Differences in Clinical Characteristics and Etiology of Bronchopneumonia and Lobar Pneumonia / 实用儿科临床杂志

ABSTRACT

Objective To study the differences in clinical characteristics and etiology in bronchopneumonia and lobar pneumonia,and provide the basis for the clinical diagnosis and treatment.Methods A retrospective study was performed on 100 children with lobar pneumonia and 200 children with bronchopneumonia from Dec.2005 to Dec.2007.Antibodies of mycoplasma(MP) and chlamydia(CP) were detected with quantitative enzyme linked immunosorbent assay of serum samples which were collected on addmission.On the second day morning,axenic sputum samples of laryngeapharyngis at pars were collected with onetime asepsis aspiration sputum tube by negative pressure for bacterial culture,and the common seven viruses were detected with direct immunofluorescence,and MP DNA,CP DNA were detected.The results and the clinical data and the characters of sternum were analyzed.Results Lobar pneumonia was more in the elder children,and the features were fever and cough in clinic,absence in physical sign of bellow,and inflammation of one pulmonary lobe in X-ray.Sixty-one percent of childhood lobar pneumonia had MP infection in laboratory examination.But bronchopneumonia was found more in infants and young children,whose features were cough,dyspnea and catarrhus in clinics,wheezy phlegm and stridor in physical sign of bellow,pulmonic shadow of spot and lamellar in X-ray.Bacteria were the most common pathogen in bronchopneumonia.Conclusions Lobar pneumonia was different from bronchopneumonia in age and clinic features and sternum characters of patients,and much more different in etiology.Bacterial infection was important in bronchopneumonia.But in lobar pneumonia,MP infection occupied 61.0%,which was different from traditionaletiology.Moreover,the MP infection rate in infant and young children tend to increase obviously.