Use of human acellular dermal matrix for abdominal wall reconstructions
Samuel M Maurice1, Dionne A Skeete
1Department of Surgery, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA 52242, USA.
American Journal of Surgery
|June 19, 2008
Summary
Acellular dermal matrix (ADM) fascial repairs for abdominal defects show higher recurrence and complication rates than expected. Factors like large implant size and surgical time increase risks, with infection linked to more recurrences.
Area of Science:
- Biomaterials Science
- Surgical Innovation
- Regenerative Medicine
Background:
- Acellular dermal matrix (ADM) is explored as a substitute for fascial repair in abdominal wall defects.
- ADM offers potential for tissue regeneration and complex hernia repair.
Purpose of the Study:
- To evaluate the outcomes of acellular dermal matrix (ADM) in fascial reconstruction for abdominal wall defects.
- To identify risk factors associated with recurrence and infectious wound complications following ADM repair.
Main Methods:
- Retrospective analysis of 63 patients undergoing fascial reconstruction using ADM.
- Assessment of surgical time, implant size, number of ADM sheets, and implantation technique.
- Statistical analysis to determine factors linked to wound infection and recurrence.
Main Results:
- High rates of postoperative complications (35% infection, 44% non-infectious) and recurrence (41%) were observed.
- Longer surgical times, larger ADM implant size (≥100 cm²), and multiple ADM sheets correlated with increased infection risk.
- Direct ADM approximation to the fascial edge, prolonged surgery, large implant size, and postoperative infection were significant predictors of recurrence.
Conclusions:
- ADM fascial repairs may have higher complication and recurrence rates than previously reported.
- Implant size and implantation method are critical factors influencing outcomes.
- Postoperative infection, even without ADM removal, is associated with increased recurrence rates, highlighting the need for infection prevention and management.

