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Abstract: Objective To analyze the characteristics of pathogens isolated from patients with lung cancer after surgery, and provide instructions for the prevention and treatment of postoperative infection. Methods A retrospective investigation of the pathogenic microbiology data of 159 patients(142 males and 17 females with average age at 61.8±9.6 years) with lung cancer after surgery in West China Hospital from January 2009 to December 2011 was performed.We got the specimen from the patients by routine methods, identified the pathogens, and conducted drug susceptibility tests in vitro. Results The pathogens were mainly isolated from sputum of the patients (90.6%, 155/171). Canidia albicans(25.7%, 44/171), Klebsiella pneumonia(15.2%, 26/171), Acinetobacter calcoaceticus-A. baumannii(13.4%, 23/171)and Pseudomonas aeruginosa(8.2%, 14/171) were the predominant species. Among A. calcoaceticus-A. baumannii isolates, 39.1%(9/23) of them were multidrug resistant strains. And 23.1%(6/26)of K. pneumonia isolates produced extended spectrum beta-lactamases. P. aeruginosa isolates showed high in vitro susceptibility to the antibacterial agents. Conclusion Pathogens are mainly isolated from sputum of patients after surgery for lung cancer. Canidia albicans and gram-negative bacilli are predominant isolates and should be the major targets for the prevention and treatment of postoperative infection.

Citation: HE Chao,GUO Peiling,KANG Mei,et al .. Characteristics of Pathogens from Lung Cancer Patients with Infection after Surgery. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2012, 19(2): 145-144. doi: Copy