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对76例NP病人病原学及药敏结果分析,发现革兰阴性杆菌(GNB)占44例(57.90%),革兰阳性球菌23例(30.26%),真菌9例(11.84%)。前6位病原体依次是肺炎克雷白菌15例(19.74%),绿脓杆菌12例(15.79%),金黄色葡萄球菌10例(13.16%),真菌9例(11.84%),粪链球菌8例(10.52%),硝酸盐阴性杆菌5例(6.58%)。前3位致病菌中,肺炎克雷白菌和绿脓杆菌对第三代头孢菌素,丁胺卡那霉素和氧氟沙星耐药率较低,金黄色葡萄菌对头孢唑啉和红霉素耐药率较低,对其它常用抗生素耐药率高。结果表明,NP病原体构成以GNB为主,致病菌耐药率高。
The etiology and susceptibility results of 76 patients with NP showed that 44 cases (57.90%) were Gram-negative bacilli (GNB), 23 (30.26%) were Gram-positive cocci and 9 were fungi (11). 84%). The top 6 pathogens were Klebsiella pneumoniae in 15 cases (19.74%), Pseudomonas aeruginosa in 12 cases (15.79%), Staphylococcus aureus in 10 cases (13.16%) and fungi in 9 cases (11 cases) .84%), Streptococcus faecalis in 8 cases (10.52%), and nitrate-negative bacilli in 5 cases (6.58%). The first three pathogenic bacteria, Klebsiella pneumoniae and Pseudomonas aeruginosa on the third-generation cephalosporins, amikacin and ofloxacin resistant rate is low, Staphylococcus aureus cefazolin And erythromycin resistance rate is low, the rate of resistance to other commonly used antibiotics. The results showed that the main pathogens of GNB were GNB, and the pathogenic bacteria were highly resistant.