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Dynamic intraligamentary stabilization: novel technique for preserving the ruptured ACL
S Eggli1, H Kohlhof, M Zumstein
1Sonnenhof Orthopaedic Clinic, Swiss Leading Hospitals, Buchserstrasse 30, 3006, Bern, Switzerland, stefaneggli@sonnenhof.ch.
Summary
This study introduces a new technique for anterior cruciate ligament (ACL) healing. Dynamic intraligamentary stabilization (DIS) with L-PRF and microfracturing successfully promoted ACL self-healing in most patients, enabling return to sports.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Regenerative Medicine
Background:
- Anterior cruciate ligament (ACL) tears are common injuries, particularly in athletes.
- Current ACL reconstruction relies on grafts, but preserving and healing the native ACL is an alternative approach.
- Dynamic intraligamentary stabilization (DIS) aims to provide stability and promote biological healing of the ACL.
Purpose of the Study:
- To evaluate the efficacy of a novel technique for promoting ACL self-healing.
- To assess the clinical and radiological outcomes of dynamic intraligamentary stabilization (DIS) combined with biological enhancement.
- To determine if this technique allows athletes to return to their previous level of sport.
Main Methods:
- A case series of ten athletes with ACL tears underwent DIS with an internal stabilizer.
- The procedure was combined with microfracturing and leucocyte- and platelet-rich fibrin (L-PRF) to enhance healing.
- Clinical assessments (Tegner, Lysholm, IKDC, VAS) and laxity measurements were performed over 24 months.
Main Results:
- Nine out of ten patients showed successful healing at 24 months, with one re-rupture.
- Excellent clinical outcomes were observed: median Lysholm score of 100, IKDC score of 98, and median satisfaction score of 9.8.
- Radiological evaluation via MRI demonstrated ligament scarring and continuity in all successfully treated patients.
Conclusions:
- Dynamic intraligamentary stabilization (DIS) combined with microfracturing and L-PRF is a promising technique for ACL self-healing.
- The treatment resulted in stable clinical and radiological healing, with patients achieving normal knee function.
- This approach facilitated a return to pre-injury levels of sporting activity for most participants.
