Objective To understand the status of intensive care unit-acquired lower respiratory tract infection (ICU-LRTI),and the distribution characteristics of pathogens,so as to provide the basis for taking preventive and control meas-ures,and scientific diagnosis and treatment for patients.Methods Targeted monitoring data on healthcare-associated infec-tion (HAI)in ICUs of 32 hospitals in a province in 2013 were investigated retrospectively.Results The incidence of ICU-LRTI was 5.79%,ventilator usage rate was 31.25%,incidence of ventilator-associated pneumonia(VAP)was 26.93‰;There was no linear correlation between ventilator usage rate and incidence of VAP(r=0.160,P=0.380).A total of 1 593 pathogens causing LRTI were detected,the major were gram-negative bacteria (75.77 %,n=1 207),followed by gram-positive bacteria(18.21%,n=290),fungi(5.90%,n=94),Mycoplasma pneumonia and other pathogens(0.12 %,n= 1 for each).The top five detected pathogens causing LRTI were Acinetobacter baumannii ,Pseudomonas aeruginosa ,Staph-ylococcus aureus ,Klebsiella pneumoniae and Escherichia coli ,accounting for 25.49%,15.26%,14.63%,13.37% and 5.09% respectively.Conclusion Targeted monitoring on ICU is helpful for realizing healthcare-associated LRTI, each hospital should conduct targeted monitor to find out the causes of HAI,as well as improve the awareness of VAP among ICU health care workers.

Objective To understand healthcare-associated urinary tract infection (HA-UTI)and pathogens causing HA-UTI in intensive care unit (ICU)patients,so as to provide scientific basis for the prevention and control of HA-UTI. Methods Targeted surveillance data about HA-UTI in 32 hospitals in 2013 were analyzed.Results A total of 23 680 ICU patients were monitored,157 cases of HA-UTI occurred,HA-UTI rate was 0.66%;the usage rate of urinary tract cathe-ter was 80.83%,catheter-associated UTI was 1.25‰.A total of 162 pathogenic strains were detected,the percentage of fungi,gram-negative bacteria,and gram-positive bacteria was 40.74% (n=66);31.48 % (n=51),and 27.78% (n=45)respectively.Conclusion The main pathogens causing HAI-URI are fungi,comprehensive intervention measures should be taken to control HA-UTI in ICU patients.