[An evaluation of double-plugged catheter brush system in the diagnosis of pulmonary infection via fiberoptic bronchoscope].
A protective technique to collect lower airway secretion through double plugged catheter brush system via fiberoptic bronchoscope in 17 patients with pulmonary infection and 14 cases of other lung diseases was reported. The result of quantitative culture of these samples revealed that the concentration of isolated organisms were 10(4.1(+/- 1.1(cfu/brush and 10(1.8 +/- 0.4)cfu/brush in these two groups respectively (P less than 0.001). 10(3)cfu/brush was considered as a cut off point to differentiate the pathogenic from the nonpathogenic organisms. It is suggested that double-plugged catheter brush system is an ideal technique for preventing contamination in the etiologic diagnosis of pulmonary infection.
Wang
J Y
JY
1st Affiliated Hospital of Dalian Medical College.
D000328:Adult; D001419:Bacteria / Q000302:isolation & purification*; D020680:Bronchoscopes; D001999:Bronchoscopy / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000382:microbiology*; D013048:Specimen Handling / Q000295:instrumentation*