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术后感染问题是直肠肛门疾病的严重并发症之一。现仅就我院一组大肠癌的资料分析,大肠术后总的感染率为20.13％,与文献报告近似。其感染率高的原因,决定于感染菌种的毒力,机体解剖因素与抗病能力大小,以及手术本身技术操作有关。这也是防治肛门直肠手术后感染的三个重要环节。直肠肛门位于消化道大肠的末端,是粪便与细菌集聚之处。据统计大肠内有20多种需氧菌,50多种厌氧菌,其中以脆弱型类杆菌为主,约占10~(11)～10~(11)之多,后者对绝大多数抗生素已发生抗药性,而直肠肛门手术后感染几乎100％为厌氧菌,其临床特征为:创区恶臭的脓液,X线征病变部位有产气表现,脓液涂片有菌而普通培养却无菌生长,以及对一般抗生素治疗无效等。这些细菌在正常情况下存在于肠道内,
Postoperative infection is one of the serious complications of rectal anorectal disease. Now only a group of colorectal cancer hospital data analysis, the total infection rate after colorectal surgery was 20.13%, similar to the literature. The high prevalence of the reason, depends on the virulence of infected bacteria, the body anatomy and disease resistance capacity, as well as the technical operation of the operation itself. This is also an important part of the prevention and treatment of anorectal surgery infection. Rectal anus is located in the distal end of the digestive tract colon, where feces and bacteria gather. According to statistics, there are more than 20 types of aerobic bacteria and 50 kinds of anaerobic bacteria in the large intestine, of which mainly Bacteroides fragilis, accounting for about 10 ~ (11) ~ 10 ~ (11) Antibiotic resistance has occurred, and infection of the rectum anus almost 100% of anaerobic bacteria, and its clinical features are: a stench of festering pus, X-ray signs of lesion with gas production, pus smear bacteria and ordinary Cultivation is sterile growth, and ineffective treatment of general antibiotics and so on. These bacteria are normally present in the gut,