气管切开患者下呼吸道感染的细菌学调查

Bacteriologic investigation on lower respiratory tract infection of tracheostomized patients

为了解气管切开后下呼吸道细菌感染的状况,作者对23例无呼吸系统病变而行气管切开的患者,采用简易深部集痰法取痰进行细菌培养.结果检出致病菌13种,革兰氏阴性菌8种(66.5％),革兰氏阳性菌5种(33.5％),绿脓杆菌的感染率最高(34.4％),其次是金黄色匍萄球菌(26.1％).简易深部集痰装置具有简便易行,对于进行痰液的细菌学检查有实用价值.

In order to understand th; condition of lower respiratory tract infection of trachcostomized patients , the bacterial culture of sputum was carried out in 23 tracheostottwed cases without non - respiratory disease through a simple and deep collecting sputum vncthod . The investigation showed thai there were 13 kinds of the pathogenic or-guiism ; 8 types of gram - negative and 5 types of gram - positive bacteria respectively . The infection rate of P aruginosa was the highest (34.4% )and next as S aureus (26.1% ). The device employed in the investigation is easy to operate so that it is useful in carrying out the bacteriologic cxaminating in sputum .