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结肠直肠手术后容易发生脓毒症,其中腹内脓肿、腹膜炎、脓毒败血症等对生命威胁很大,但发生率较低,一般在5%以下.而腹部和会阴部创口感染发生率则高得多,不仅增加病人痛苦,且延长住院时间,提高了费用,故减少结肠直肠术后感染性并发症,是临床研究的一个重要课题.现已知造成结肠直肠术后感染的细菌,主要来源于肠道寄生菌.近年来还愈益认识到肠道内厌氧菌对术后感染的重要性.结肠和直肠内有大量细菌,粪便内含菌数通常达每克10~8～10~(11),约占粪便
Sepsis is likely to occur after colorectal surgery, with intra-abdominal abscess, peritonitis, sepsis and other life-threatening, but the incidence is low, generally less than 5%, while the incidence of abdominal and perineal wound infection is high Much more, not only increase the patient’s suffering, and prolong the length of hospital stay, increased costs, so reduce colorectal postoperative infectious complications, is an important issue in clinical research.Currently known colorectal infection caused by bacteria, the main source In recent years, the importance of anaerobic bacteria in the intestine to postoperative infection has also been recognized more and more.A large number of bacteria are present in the colon and rectum, and the bacteria in the faeces usually reach 10 ~ 8 ~ 10 ~ (11) per gram ), Accounting for about manure