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Published on: May 2, 2025
Randomised, controlled pilot to compare collagen and foam in stagnating pressure ulcers
A Piatkowski1, D Ulrich, D Seidel
1Department of Plastic Surgery and hand Surgery, Burn Unit, RWTH University Hospital Aachen, Germany. aoiatkowski@ukaachen.de
Journal of Wound Care
|October 30, 2012
Summary
A collagen dressing combined with foam dressing accelerated healing in pressure ulcers more effectively than foam alone. This combination therapy demonstrated superior reduction in inflammation and faster wound healing onset.
Area of Science:
- Wound healing research
- Biomaterials in medicine
- Dermatology
Background:
- Pressure ulcers pose a significant clinical challenge.
- Stagnating granulating wounds require advanced treatment strategies.
- Optimizing wound healing involves managing inflammation and promoting tissue regeneration.
Purpose of the Study:
- To compare the clinical efficacy of a collagen dressing with a foam dressing versus foam dressing alone for pressure ulcers.
- To evaluate the impact of combined collagen and foam dressings on wound healing biomarkers.
- To assess secondary outcomes including healing time, ulcer area reduction, and patient comfort.
Main Methods:
- Randomized controlled pilot study involving 10 patients with stagnating pressure ulcers.
- Group A: Foam dressing as primary. Group B: Collagen dressing covered by foam dressing.
- Analysis of wound fluid for matrix metalloproteinases (MMPs), tissue inhibitors of metalloproteinases (TIMPs), elastase, and angiogenesis markers.
Main Results:
- The collagen-foam combination (Group B) showed a significant positive effect on angiogenesis (p < 0.05).
- Group B exhibited faster increases in TIMP-1 and TIMP-2 levels.
- Group B demonstrated a superior and faster reduction in MMP-2, MMP-9 (p < 0.04), and elastase, indicating reduced inflammation.
- Both groups showed ulcer healing, with a faster onset in Group B.
Conclusions:
- The combination of collagen and foam dressings shows promising results for treating stagnating pressure ulcers.
- This approach supports existing data on the benefits of collagen dressings in wound management.
- Further clinical studies are warranted to confirm these findings in larger patient cohorts.
