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五、抗生素的预防性应用临床为了预防细菌感染,常在一些病毒感染(如普通感冒或流感)时、手术后、昏迷、休克、心力衰竭等患者使用抗生素,这种情况大多属于不合理预防用药。不合理的预防性应用抗生素不仅不能降低继发性细菌感染的发生率,反而容易造成耐药菌感染,增加感染机会。国内曾有人观察202例胃肠道手术后病人,其中100例术中加强无菌操作,术后不用抗生素,结果无1例发生术后感染;术后应用抗生素预防感染者102例,结果17例(16.7％)发生伤口感染。致病菌
Fifth, the preventive use of antibiotics Clinical In order to prevent bacterial infections, often in some viral infections (such as common cold or flu), after surgery, coma, shock, heart failure and other patients with antibiotics, most of which belong to unreasonable preventive medication . Unreasonable prophylactic antibiotics not only can not reduce the incidence of secondary bacterial infections, but easily lead to drug-resistant bacterial infections and increase the chances of infection. In the past, 202 cases of gastrointestinal tract diseases were observed in our country. Among them, 100 cases were treated with aseptic technique without antibiotics and no postoperative infection occurred in 1 case. 102 cases were treated with antibiotics to prevent infection after operation, and 17 cases (16.7%) wound infection occurred. Pathogenic bacteria