Sara Majewski MS1 | Tanya Bhattacharya MD1 | Manuela Asztalos MD1 | Benjamin Bohaty MD2 | Katherine C. Durham MD2 | Dennis P. West PhD1 | Adelaide A. Hebert MD2 | Amy S. Paller MD1
Abstract
Objectives: A cleansing body wash containing diluted sodium hypochlorite (0.006% NaOCl) was evaluated for management of moderate-to-severe Staphylococcus aureus–colonized, atopic dermatitis in children.
Methods: A 6-week, prospective, open-label study was conducted with 50 evaluable participants (ages 6 months to 17 years) who had moderate-to-severe atopic dermatitis with S aureus skin colonization documented by culture. Participants were instructed to continue using their current medications while using the study product, 0.006% NaOCl body wash, once daily to affected areas for 6 weeks. Primary outcome measures were Investigator's Global Assessment, Eczema Area and Severity Index, and Body Surface Area scores. Secondary outcome measures were the Visual Analog Scale for pruritus, Family Dermatology Life Quality Index, and Patient Satisfaction Questionnaire for Problem Areas. A subject daily diary and a six-item subject questionnaire that provided information on preferences for bleach bath vs body wash were secondary outcome measures.
Results: Daily use of the 0.006% NaOCl body wash led to improvement for all outcome measures comparing baseline to 2-week and to 6-week evaluations. Of the 50 skin S aureus-positive subjects, 32/50 (64%) were still positive at 2 weeks. A 36.5% decrease in subject's daily record of topical corticosteroid application at end of study compared to baseline was found. Participant surveys indicated preferences for the body wash over bleach baths.
Conclusions: Sodium hypochlorite (NaOCl) body wash improved all outcome measures for moderate-to-severe S aureus–colonized AD in infants, children, and adolescents. The limited reduction in S aureus further suggests that sodium hypochlorite has ameliorative effects other than antimicrobial actions.
KEYWORDS
atopic dermatitis, bleach, body wash, sodium hypochlorite
Gretchen Tibbits1 | Abdelrhman Mohamed1 | Suzanne Gelston1 | Laure Flurin2 | Yash S. Raval2 | Kerryl E. Greenwood‐Quaintance2 | Robin Patel2,3 | Haluk Beyenal1
The activity of a hypochlorous acid‐producing electrochemical bandage (e‐bandage) in preventing methicillin‐resistant Staphylococcus aureus infection (MRSA) infection and removing biofilms formed by MRSA was assessed using a porcine explant biofilm model. e‐Bandages inhibited S. aureus infection (p = 0.029) after 12 h (h) of exposure and reduced 3‐day biofilm viable cell counts after 6, 12, and 24 h exposures (p = 0.029). Needle‐type microelectrodes were used to assess HOCl concentrations in explant tissue as a result of e‐bandage treatment; toxicity associated with e‐bandage treatment was evaluated. HOCl concentrations in infected and uninfected explant tissue varied between 30 and 80 µM, decreasing with increasing distance from the e‐bandage. Eukaryotic cell viability was reduced by an average of 71% and 65% in fresh and day 3‐old explants, respectively, when compared to explants exposed to nonpolarized e‐bandages. HOCl e‐bandages are a promising technology that can be further developed as an antibiotic‐free treatment for wound biofilm infections.
biofilms, chronic wounds, electrochemical bandage, hypochlorous acid, MRSA, Staphylococcus aureus
伤口世界平台生态圈，以“关爱人间所有伤口患者”为愿景，连接、整合和拓展线上和线下的管理慢性伤口的资源，倡导远程、就近和居家管理慢性伤口，解决伤口专家的碎片化时间的价值创造、诊疗经验的裂变复制、和患者的就近、居家和低成本管理慢性伤口的问题。
2019广东省医疗行业协会伤口管理分会年会
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