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Regenerative vs flap-based limb salvage: a multi-centered, prospective, randomized controlled trial.
Frank H Lau1, Ryan D Hoffman2, Denise Danos3
1Department of Surgery, Louisiana State University Health Sciences Center New Orleans, Section of Plastic & Reconstructive Surgery, LA, USA.
Regenerative Medicine
|February 16, 2023
Summary
Regenerative limb salvage (rLS) using dehydrated human chorion amnion membrane (dHACM) shows comparable success rates to traditional flap-based limb salvage (fLS) for complex extremity wounds. This regenerative approach offers an effective alternative for limb reconstruction.
Area of Science:
- Regenerative medicine
- Orthopedic surgery
- Wound healing
Background:
- Complex extremity wounds pose significant reconstructive challenges.
- Traditional flap-based limb salvage (fLS) is a common but invasive treatment.
- Novel regenerative approaches are needed to improve limb salvage outcomes.
Purpose of the Study:
- To compare the success rates of regenerative limb salvage (rLS) using dehydrated human chorion amnion membrane (dHACM) with traditional fLS.
- To evaluate outcomes including primary reconstruction success, exposed structure persistence, time to closure, and time to weight bearing.
Main Methods:
- Prospective randomized controlled trial (RCT) over 3 years.
- Patients with complex extremity wounds were randomized to fLS (n=14) or rLS (n=25).
- Primary outcomes measured included reconstructive success and functional recovery metrics.
Main Results:
- Primary reconstructive method success was 85.7% for fLS and 80% for rLS (p=1.00).
- No statistically significant difference in success rates between the two groups.
- Comparable functional recovery times were observed between fLS and rLS.
Conclusions:
- Regenerative limb salvage (rLS) using dHACM is an effective treatment option for complex extremity wounds.
- rLS demonstrates comparable success rates to traditional fLS.
- This study supports rLS as a viable alternative for limb salvage procedures.
