Peer-reviewed veterinary case report
Synthetic ligament surgery for cruciate tears in large dogs works
By Ödman, Sven et al.·Published in American journal of veterinary research·2026·Animal ArtroClinic i Sö·View original on PubMed →
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Original publication title: Arthroscopic intra-articular cranial cruciate ligament reconstruction with a synthetic implant yields satisfactory midterm outcome in 15 large-breed dogs.
- Species:
- dog
Plain-English summary
A group of 15 large-breed dogs, averaging 5 years old, were brought in for hind leg lameness and pain due to a torn cranial cruciate ligament (CrCL). They underwent a minimally invasive surgery to reconstruct the ligament using a synthetic implant. After six months, 14 of the dogs fully recovered and were back to normal activity, while two had acceptable outcomes. Some dogs experienced minor complications, but most were managed without further surgery. This new surgical technique shows promise for treating CrCL injuries in larger dogs.
People also search for: dog hind leg lameness treatment · large breed dog knee surgery · cranial cruciate ligament repair recovery
Abstract
OBJECTIVE: To report the midterm clinical outcome of synthetic IA reconstruction of the cranial cruciate ligament (CrCL) in dogs. ANIMALS: 16 cases of CrCL rupture in 15 client-owned dogs treated from November 2022 through June 2023 at a single referral center were retrospectively identified through nonrandom, criterion-based sampling. Skeletally mature dogs weighing more than 30 kg, surgically treated with IA CrCL arthroscopic reconstruction, with a 6-month orthopedic and radiographic follow-up, were included in this study. CLINICAL PRESENTATION: Dogs were referred with clinical signs (hind limb lameness, pain, positive direct and indirect drawer tests) of CrCL rupture. RESULTS: Median age was 5.3 years (range, 1.9 to 8.7), and median weight was 40.7 kg (range, 31.5 to 65.5). Twelve ruptures were acute, 4 were chronic, 14 were complete, and 2 were partial. All cases underwent arthroscopic IA CrCL reconstruction with an ultra-high-molecular-weight polyethylene (UHMWPE) implant secured with 1 femoral and 1 tibial interference screw placed in bone tunnels. Meniscal tears, identified in 9 cases, were debrided. Four postoperative complications occurred (2 infections, 1 recurrence of pain and lameness, and 1 implant slippage associated with meniscal tear). Revision surgery was required only in 1 case, whereas the rest of the complications were managed medically. After 6 months postoperatively, full functional recovery was achieved in 14 cases and deemed acceptable in 2. Thirteen cases showed satisfactory stifle stability. Osteoarthritis progressed slightly radiographically. No dogs required medical pain management. CLINICAL RELEVANCE: This IA UHMWPE reconstruction may be a viable alternative for CrCL rupture in large dogs. Long-term studies are needed to confirm these promising results.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/41406595/