Epidemiological analysis of Klebsiella pneumoniae in two tertiary hospitals from Chongqing

Objective To analyse Klebsiella pneumoniae epidemiology in two tertiary hospitals from Chongqing so to direct clinical diagnosis and treatment.Methods 158 Klebsiella pneumoniae strains were collected in bacterial room of department of laboratory in the two hospitals from Chongqing from July 2007 to July 2008.The distribution of their fimbriae type was analyzed using PCR and MSH/MRSH methods.Results There were 145 Klebsiella pneumoniae strains produced type 3 fimbriae,7 strains producing type 1 fimbriae,2 strains producing both type 3 and type 1 fimbriae,another 6 strains producing no fimbriae.Conclusion The most infective Klebsiella pneumoniae in this two hospitals was the strain producing type 3 fimbriae and mainly causing respiratory tract infection,which will help seek alternative treatment of antibiotics on Klebsiella pneumoniae producing type 3 fimbriae.