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By Dr. med. Ernst Stein (auth.)

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Additional resources for Anorectal and Colon Diseases: Textbook and Color Atlas of Proctology

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Many sterile alcoholic products are effective; they typically have an onset of action within 15-60 s. When preparing for operations, the skin should be cleansed with alcohol products for 3 min [1]. Povidone-iodine preparations are the best choice for disinfecting mucosal surfaces. Irritation is minimal and discoloration is easily washed away. Surface Disinfection Surface disinfection covers all those objects which cannot be disinfected by being placed or dipped in a container. Thus work surfaces, such as desks or examination tables, other furniture, walls, and floors fall into this category.

One major disadvantage is that they are flammable and can also be explosive. A major advantage is that they are effective after 30-60 s. This makes them ideal for hand and skin disinfection. For prophylaxis against hepatitis B virus and HIV, alcoholic solutions (such as Primasept M, Spitaderm) are recommended [8). Glucoprotamines. Glucoprotamines are a suitable alternative to aldehydes for treating surfaces. They are effective against bacteria, including mycobacteria, fungi, hepatitis B virus, and HIV.

Regular disinfection of the floors is neither necessary nor practical. The exceptions are operating rooms and other places where invasive procedures are performed. As a rule, 2-3 h after disinfection of the floor, the number of bacteria is just as high as following simple moist wiping or mopping . It is thus recommended to perform targeted disinfection on obviously contaminated sites using a disposable paper towel and single-use protective gloves. The mops, wiping clothes, and similar items should be washed at 70°C rather than chemically disinfected.

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