革兰阴性杆菌是引起各种感染及院内感染的主要病原菌c由于抗生素在临床的广泛应用，致使病原菌极易产生耐药性，而且细菌的耐药性也有较大的变迁，耐药菌株不断增加，所引起的感染性疾病给治疗带来一定困难。为了解我院的细菌感染及药敏试验情况，现将本院1998年度从临床标本中 Gram-negative bacilli is caused by a variety of infections and nosocomial infections of the main pathogens c due to the widespread use of antibiotics in clinical practice, resulting in pathogenic bacteria easily produce resistance, and bacterial resistance also has a greater change, increasing drug-resistant strains , Caused by infectious diseases to bring some difficulties in treatment. In order to understand the bacterial infection in our hospital and drug susceptibility testing, the hospital now 1998 from the clinical specimens