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Updated: Feb 11, 2026
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Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
Published on: May 2, 2025
895
Evaluation of Absorbent Versus Conventional Wound Dressing
Jan Bredow1, Katharina Hoffmann, Johannes Oppermann
1Department of Orthopedics and Trauma Surgery, University Hospital Cologne, Germany; Institute of Medical Statistics and Computational Biology (IMSB), University of Cologne, Germany; Spine Surgery, Schön Klinik Düsseldorf SE & Co. KG, Düsseldorf, Germany.
Deutsches Arzteblatt International
|April 20, 2018
Summary
A new trial dressing showed no difference in preventing blisters after orthopedic surgery. However, patients and staff preferred the new dressing, and it required fewer changes than conventional dressings.
Area of Science:
- Orthopedic Surgery
- Wound Healing
- Medical Device Trials
Background:
- Orthopedic procedures like lower-limb endoprosthetics and spinal operations are common.
- Postoperative wound complications can increase hospital stay, morbidity, and mortality.
Purpose of the Study:
- To compare a trial dressing (Mepilex-Border Post-Op) with a conventional adhesive dressing (Cosmopor) for preventing blister formation after orthopedic surgery.
- To assess patient, nurse, and physician satisfaction with the dressings.
Main Methods:
- A randomized trial included 209 patients undergoing primary knee, hip, or spinal surgery.
- Patients received either the trial dressing or a conventional dressing.
- The primary endpoint was postoperative blister formation.
Main Results:
- No statistically significant difference in blister formation between the trial and conventional dressing groups.
- Dressings were changed significantly less frequently in the trial group (p<0.001).
- Patients, nurses, and physicians reported significantly higher satisfaction with the trial dressing (p<0.001).
Conclusions:
- The trial dressing did not reduce postoperative blister formation compared to conventional dressings.
- The trial dressing was associated with greater satisfaction and fewer changes, indicating potential benefits beyond blister prevention.
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