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A cohort study on the efficacy of a polyhexanide-containing biocellulose dressing in the treatment of biofilms in wounds.
MedLine Citation:
PMID:  22240848     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Objective: This cohort study evaluated the clinical efficacy of a polyhexanide-containing biocellulose dressing, Suprasorb X + PHMB (Lohmann & Rauscher GmbH), for the eradication of biofilms in non-healing wounds. Polyhexanide (PHMB) has been shown to have microbicidal activity when applied to chronic wounds and burns. Method: Twenty-eight patients, aged over 18 years, who presented at an outpatient wound clinic with non-healing locally infected and/or critically colonised wounds of various aetiologies that showed clinical signs of biofilm were included in the study. Sixteen patients (nine females), with a mean age of 60.9±21.6 years, were included in the analysis. The patients were prospectively followed for a maximum of 24 weeks or until healing for analysis of safety and efficacy endpoints. Evolution of wound size was conducted with tracings and standardised digital photographs as well as for determining healing rates. Results: At 24 weeks,12 wounds (75%) had healed (complete epithelialisation with no drainage). Of those wounds that had not closed, the mean wound area had reduced by 61% at week 24. Ten patients (63%) had a good reduction of the biofilm, five (32%) scored moderate and one (6%) had no reduction noted at week 24. The mean percentage of granulation tissue had increased significantly (p<0.04) when comparing day 0 (38%) with week 24 (77%). Yellow tissue present in the wound bed decreased (p<0.01): 62% (day 0) versus 23% (week 24). All patients reported reduced pain after dressing change. Conclusion: The results suggest that continuous application of PHMB, using a biocellulose wound dressing, reduced biofilm in the stagnating wounds treated, thus promoting healing. The treatment was comfortable, safe and reduced wound pain at dressing change. The PHMB-containing biocellulose dressing seems to be suitable for lightly to moderately exuding wounds. Declaration of interest: This study was supported by a scientific grant from Lohmann & Rauscher.
Authors:
E Lenselink; A Andriessen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of wound care     Volume:  20     ISSN:  0969-0700     ISO Abbreviation:  J Wound Care     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2012-01-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9417080     Medline TA:  J Wound Care     Country:  England    
Other Details:
Languages:  eng     Pagination:  534-9     Citation Subset:  N    
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