Which is the purpose of skin preparation before an invasive procedure?
1. To establish a sterilized site for the procedure
2. To decrease microorganism count on the skin
3. To eliminate a portal of exit from the reservoir
4. To destroy all microorganisms at the surgical site
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2. The purpose of skin preparation is to decrease the risk of postoperative infection by reducing the number of microorganisms and potential pathogens on the skin.
1. Skin sterilization is not possible without causing tissue damage.
3. Decreasing the number of microorganisms dilutes the number of potential patho-gens to decrease the risk of infection because the risk of infection is directly related to the quantity of microorganisms. If escaping microorganisms from a body cavity contaminate the skin during the procedure, preoperative skin preparation will not prevent it.
4. Unless the site is infected, the microorganisms present on the skin are potential pathogens; complete destruction of regional microorganisms is impossible without causing tissue damage.
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