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采用回顾性方法，依据１９９６年１～１２月心外科细菌培养阳性菌株的结果，对感染病例选用抗菌药情况进行调查。３４例中内源性感染８例，以呼吸道为主。医源性感染２６例，以呼吸道、切口感染为主。均与手术有关。致病菌菌株２５种。铜绿假单胞菌、粪肠球菌、阴沟肠杆菌、金黄色葡萄球菌、不动杆菌等菌群与１９９５年相比有显著变化。深部真菌呈现显著上升趋势，与应用抗菌药物不合理有关。经验用药合理占４５．１６％，根据药敏结果选药占５４．８３％。不合理经验用药占２０．６％。联合用药不合理占６０％。建议加大细菌培养和药敏试验的力度。
The retrospective method was used to investigate the selection of antibacterials in the infected cases according to the results of positive bacterial culture of cardiomyopathies from January to December 1996. In 34 cases of endogenous infections in 8 cases, mainly in the respiratory tract. Iatrogenic infection in 26 cases, mainly respiratory, incision infection. Are related to surgery. 25 kinds of pathogenic bacteria. Pseudomonas aeruginosa, Enterococcus faecalis, Enterobacter cloacae, Staphylococcus aureus, Acinetobacter and other flora and significant changes compared with 1995. Deep fungi showed a significant upward trend, and the use of antimicrobial unreasonable. The rational use of empirical medicine accounted for 45.16%, according to drug susceptibility results of drug selection accounted for 54.83%. Irrational empirical medication accounted for 20.6%. Unjustified combination of drugs accounted for 60%. Proposed to increase bacterial culture and susceptibility testing efforts.