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对老年肺部感染患者呼吸道分泌物分离的68株铜绿假单胞菌进行了分型鉴定。68株铜绿假单胞菌以6、2、11、19和1型为主,占分型菌株的73.5%,同时我们还进行了铜绿假单胞菌对15种抗生素的敏感性测定。老年肺部感染患者铜绿假单胞菌对环丙沙星的敏感率为86.7%,对多粘菌素B的敏感率为83.8%,对氨苄西林的耐药率最高为97.1%,对其它12种抗生素有不同的敏感性。本结果对老年肺部感染患者铜绿假单胞菌的流行病学调查及临床治疗的药物选择具有重要意义。
68 strains of Pseudomonas aeruginosa isolated from respiratory secretions of elderly patients with pulmonary infection were identified. 68 strains of Pseudomonas aeruginosa were mainly type 6, 2, 11, 19 and 1, accounting for 73.5% of the isolates. Meanwhile, we also tested the sensitivity of Pseudomonas aeruginosa to 15 antibiotics. The sensitivity of Pseudomonas aeruginosa to ciprofloxacin was 86.7% in elderly patients with pulmonary infection, 83.8% to polymyxin B, and 97 to ampicillin. 1%, on the other 12 kinds of antibiotics have different sensitivities. This result is of great significance for the epidemiological investigation of Pseudomonas aeruginosa in elderly patients with pulmonary infection and the choice of drugs for clinical treatment.