Abstract
Purpose: Pathogenic microorganisms in saliva are thought to be a major cause of surgical site infection in patients who have undergone surgery for head and neck or upper digestive tract cancers, and a common cause of postoperative pneumonia and aspiration pneumonia in elderly people. Gargling with a mouthwash containing an antiseptic agent is recommended to control salivary pathogen populations, but it is not clear which antiseptic agents are most effective. The purpose of this study is to examine the potencies of three antiseptic mouthwashes marketed in Japan against salivary bacteria.
Highlights
Povidone Iodine (PV-I) mouthwash most effectively reduced the number of microorganisms in saliva
Benzethonium Chloride (BC) and Chlorhexidine Gluconate (CHG) were not effective at concentrations used in Japan
Control of pathogenic microorganisms in the oral cavity is important to prevent dental caries and periodontal disease and some diseases such as aspiration pneumonia of the elderly and surgical site infections in patients with head and neck cancer or upper digestive tract cancer undergoing surgery, since these pathogens are a major cause of these diseases
Summary
Control of pathogenic microorganisms in the oral cavity is important to prevent dental caries and periodontal disease and some diseases such as aspiration pneumonia of the elderly and surgical site infections in patients with head and neck cancer or upper digestive tract cancer undergoing surgery, since these pathogens are a major cause of these diseases. In head and neck cancer surgery, microorganisms from the saliva that contact the wound may be a risk factor for an SSI. Aspiration of salivary bacteria into the respiratory tract is thought to become a risk factor for postoperative pneumonia after cancer surgery. It is theoretically important for oral pathogen management strategies to selectively target highly pathogenic bacterial species. We hypothesize that it is necessary to reduce the total number of salivary microorganisms to prevent SSIs and postoperative pneumonia
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