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A Chitosan Based, Laser Activated Thin Film Surgical Adhesive, 'SurgiLux': Preparation and Demonstration
Published on: October 23, 2012
Cyanoacrylate microbial sealants for skin preparation prior to surgery
Allyson Lipp1, Cheryl Phillips, Paul Harris
1Faculty of Health, Sport and Science, Department of Care Sciences, University of Glamorgan, Glyn Taff Campus, Pontypridd, Rhondda Cynon Taff, UK, CF37 1DL.
Background:
Surgical site infections are a continuing concern in health care. Microbial sealant is a liquid applied to the skin immediately before surgery. It is thought to contribute to reducing surgical site infections by sealing in the skin flora to prevent contamination and infection of the surgical site.
Objectives:
To assess the effects of the preoperative application of microbial sealants (compared with no microbial sealant) on the rates of surgical site infection in people undergoing clean surgery.
Search Strategy:
We searched the Cochrane Wounds Group Specialised Register (searched 10 May 2010), the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2010, Issue 2), Ovid MEDLINE (1950 to April Week 3 2010), Ovid MEDLINE - In-Process & Other Non-Indexed Citations (searched 10 May 2010), Ovid EMBASE (1980 to 2010 Week 18) and EBSCO CINAHL (1982 to 10 May 2010). We searched bibliographies and contacted manufacturers of microbial sealants for unpublished studies. There were no restrictions based on language, date or publication status.
Selection Criteria:
Randomised controlled trials (RCTs) were eligible for inclusion if they involved people undergoing clean surgery in an operating theatre and compared the use of preoperative microbial sealants with no microbial sealant.
Data Collection And Analysis:
All review authors independently extracted data on the characteristics, risk of bias and outcomes of the eligible trial.
Main Results:
One small trial (177 participants undergoing hernia repair) met the inclusion criteria. There was no statistically significant difference in the rates of surgical site infection (three patients in the control group developed a surgical site infection compared with none in the intervention group; risk ratio (RR) 0.17, 95% CI 0.01 to 3.19, P = 0.23).
Authors' Conclusions:
There is currently insufficient evidence as to whether the use of microbial sealants reduces the risk of surgical site infection in people undergoing clean surgery and further rigorous RCTs are required.
Insights
Microbial sealants applied before surgery did not significantly reduce surgical site infections in a small trial. More research is needed to determine if these sealants are effective for preventing infections in clean surgery.
Area of Science:
- Infection Control
- Surgical Procedures
- Medical Device Efficacy
Background:
- Surgical site infections (SSIs) remain a significant healthcare challenge.
- Microbial sealants are applied preoperatively to prevent SSIs by inhibiting skin flora contamination.
- The efficacy of microbial sealants in reducing SSIs requires robust clinical evidence.
Purpose of the Study:
- To evaluate the impact of preoperative microbial sealant application on SSI rates in clean surgery.
- To compare outcomes between patients receiving microbial sealants and those who did not.
Main Methods:
- A systematic review of randomized controlled trials (RCTs) was conducted.
- Searches included major databases (Cochrane, MEDLINE, EMBASE, CINAHL) up to May 2010.
- One small RCT involving 177 participants undergoing hernia repair met the inclusion criteria.
Main Results:
- The single included RCT found no statistically significant difference in SSI rates.
- Three SSIs occurred in the control group versus none in the microbial sealant group (RR 0.17, P=0.23).
- The trial was small and may have been underpowered to detect a significant effect.
Conclusions:
- Current evidence is insufficient to conclude whether microbial sealants reduce SSI risk in clean surgery.
- Further high-quality randomized controlled trials are necessary to establish the efficacy of microbial sealants.
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