Hand hygiene using a new hand-cleansing formulation without sanitizers: Effect on Staphylococcus aureus removal and recovery of properties against skin damage

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• 作者：Kentaro Asaoka ; RC^a ; ^b ; Shiro Endo ; MD ; PhD^a ; ^{ain@med.tohoku.ac.jp" class="auth_mail" title="E-mail the corresponding author} ; Yuki Suzuki ; RN^a ; Satoru Komuro ; RN^c ; Tadanobu Nemoto ; MD ; PhD^d ; Mitsuo Kaku ; MD ; PhD^a
• 关键词：Biofilm ; Potassium oleate ; The surface evaluation of scaliness
• 刊名：American Journal of Infection Control
• 出版年：2016
• 出版时间：1 August 2016
• 年：2016
• 卷：44
• 期：8
• 页码：e129-e132
• 全文大小：570 K

文摘

Staphylococcus aureus is known to form a biofilm and colonize on damaged skin of the hands. We investigated changes in the quantity of S aureus on the hands and changes in skin damage when using a hand-cleansing formulation with potassium oleate but without a sanitizer (formulation A), which is highly effective in removing S aureus biofilm and causes minimal skin damage.

Material and Methods

The participants (14 medical staff members) used 2 types of hand-cleansing formulations (formulations A and B), each for 4 weeks. S aureus of the hands was cultured from swab samples on agar plates. Surface of hands was measured using an ultraviolet light microscope.

Results and Discussion

The quantity of S aureus after using formulation A for 4 weeks was 10^{1.08 ± 0.05} CFU/mL, a statistically significant decrease from the quantity of S aureus (10^{1.59 ± 0.19} CFU/mL) just before use (P = .029). Also, dryness of hand surfaces decreased. With formulation B, the quantity of S aureus did not significantly change from before to after use (P > .05). This presumably occurs because formulation A gently removes S aureus biofilm.

Conclusions

Formulation A removed S aureus from the hands of participants, and skin damage on the hands improved.