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ICU病人因气管插管而并发肺炎者不少,死亡率高。但此种肺炎病原菌的来源(胃或口咽)尚有争议。为此作者研究了100例持续重症监护患者肺部病原菌,其中男67例,女43例,平均58岁,气管和胃管均持续插管12小时以上。一般只用青霉素,疑有脑脊液渗漏时用磺胺二甲异嘧啶,矫形外科病人用头孢拉定。患者入院不久即用拭子收集口咽部分泌物及胃内物作培养。每2天吸取气管分泌物作培养。测定胃液的pH值和胆红素的含量。用无菌磷酸盐缓冲盐水(pH7.0)稀释胃液然后培养。结果:19例患者气管分泌物分离
ICU patients due to endotracheal intubation and pneumonia are many, high mortality. However, the source of such pneumococcal pathogens (stomach or oropharyngeal) is still controversial. To this end, the author studied 100 cases of pulmonary pathogens in patients with intensive care, including 67 males and 43 females, with an average of 58 years. Tracheal and gastric tubes were continuously intubated for more than 12 hours. Generally only penicillin, suspected CSF leakage with sulfamethazine isothyridium, orthopedic patients with cephradine. Shortly after admission to patients with swab to collect oropharyngeal secretions and stomach material for culture. Tracheal secretions were taken every 2 days for culture. Determination of gastric juice pH and bilirubin content. The gastric juice was diluted with sterile phosphate buffered saline (pH 7.0) and then cultured. Results: Tracheal secretions were isolated in 19 patients