E.coli and Klebsiella pneumoniae were sensitive to imipenem and meropenem, but Acinetobacter baumannii were resistant to them, whose resistance rate was above 35%.

• 亚胺培南与美罗培南对大肠埃希菌和肺炎克雷伯菌作用效果较好，但对鲍曼不动杆菌耐药较严重，耐药率达35%25以上。