Polyurethane foam dressing with non-adherent membrane improves negative pressure wound therapy in pigs
OBJECTIVE: Negative pressure wound therapy (NPWT) is considered to be an effective technique to promote the healing of various wounds. The aim of this study was to evaluate different wound dressings combined with NPWT in treating wounds in Wuzhishan pigs.
METHOD: Excisions were made in the backs of the pigs and were covered with polyvinyl alcohol (PVA) dressing, polyurethane (PU) dressing or PU dressing with non-adherent membrane (PU-non-ad). NPWT was applied to the wound site. In the control group, basic occlusive dressing (gauze) without NPWT was applied. On days 0, 3, 7, 14, 21 and 28 post-surgery, the wound size was measured during dressing change, and wound healing rate (WHR) was calculated. In addition, blood perfusion within 2cm of the surrounding wound was measured by laser doppler flowmetry. Dressing specimen was collected and microbiology was analysed. Granulation tissues from the central part of the wounds were analysed for histology, vascular endothelial growth factor (VEGF) and cluster of differentiation 31 (CD31) mRNA expression.
RESULTS: The PU-non-ad-NPWT significantly (p<0.01) accelerated wound healing in the pigs. Further pathological analysis revealed that the non-adherent membrane effectively protected granulation tissue formation in PU-NPWT treated wounds. The blood perfusion analysis suggested that the non-adherent membrane improved the blood supply to the wound area. Microbiological analysis showed that non-adherent membrane decreased the bacterial load in the PU-NPWT dressing. VEGF and CD31 mRNA expression was upregulated in the wound tissue from the PU-non-ad-NPWT treated groups.
CONCLUSION: In this study, the PU dressing with non-adherent membrane was an ideal dressing in NPWT-assisted wound healing.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:33 |
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| Enthalten in: |
Journal of wound care - 33(2024), Sup2a vom: 01. Feb., Seite xx-xxvii |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zuo, Jun [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 09.02.2024 Date Revised 09.02.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.12968/jowc.2024.33.Sup2a.xx |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368136655 |
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| 245 | 1 | 0 | |a Polyurethane foam dressing with non-adherent membrane improves negative pressure wound therapy in pigs |
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| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: Negative pressure wound therapy (NPWT) is considered to be an effective technique to promote the healing of various wounds. The aim of this study was to evaluate different wound dressings combined with NPWT in treating wounds in Wuzhishan pigs | ||
| 520 | |a METHOD: Excisions were made in the backs of the pigs and were covered with polyvinyl alcohol (PVA) dressing, polyurethane (PU) dressing or PU dressing with non-adherent membrane (PU-non-ad). NPWT was applied to the wound site. In the control group, basic occlusive dressing (gauze) without NPWT was applied. On days 0, 3, 7, 14, 21 and 28 post-surgery, the wound size was measured during dressing change, and wound healing rate (WHR) was calculated. In addition, blood perfusion within 2cm of the surrounding wound was measured by laser doppler flowmetry. Dressing specimen was collected and microbiology was analysed. Granulation tissues from the central part of the wounds were analysed for histology, vascular endothelial growth factor (VEGF) and cluster of differentiation 31 (CD31) mRNA expression | ||
| 520 | |a RESULTS: The PU-non-ad-NPWT significantly (p<0.01) accelerated wound healing in the pigs. Further pathological analysis revealed that the non-adherent membrane effectively protected granulation tissue formation in PU-NPWT treated wounds. The blood perfusion analysis suggested that the non-adherent membrane improved the blood supply to the wound area. Microbiological analysis showed that non-adherent membrane decreased the bacterial load in the PU-NPWT dressing. VEGF and CD31 mRNA expression was upregulated in the wound tissue from the PU-non-ad-NPWT treated groups | ||
| 520 | |a CONCLUSION: In this study, the PU dressing with non-adherent membrane was an ideal dressing in NPWT-assisted wound healing | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a negative pressure wound therapy | |
| 650 | 4 | |a non-adherent membrane | |
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| 700 | 1 | |a Yang, Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, JunTao |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Ze Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Biao |e verfasserin |4 aut | |
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