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Updated: Aug 7, 2026
08:40
Surgical Technique of the 3-Dimensional-printed Personalized Hip Implant for the Treatment of Canine Hip Dysplasia
Published on: April 19, 2024
[Hip dysplasia and misalignment in patients aged 20-50 years]
F Langlais1, J-M Frieh, J-E Gédouin
1Service de Chirurgie Orthopédique, CHU de Rennes, 16, boulevard de Bulgarie, 35056 Rennes.
Summary
Non-prosthetic hip surgery for developmental dysplasia and femoroacetabular impingement (FAI) in young adults yields excellent long-term results. Optimal outcomes depend on surgical correction, age, and arthritis severity, offering better function than hip replacement.
Area of Science:
- Orthopedic Surgery
- Hip Preservation
- Sports Medicine
Background:
- Anterior hip pain in young adults (20-50) stems from hip dysplasia and femoroacetabular impingement (FAI).
- Non-prosthetic surgical interventions aim to preserve native hip function and delay or avoid arthroplasty.
Purpose of the Study:
- To analyze the long-term outcomes of non-prosthetic hip surgeries for hip dysplasia and FAI.
- To identify prognostic factors influencing the success of these procedures.
- To differentiate syndromes causing acute anterior hip pain, particularly FAI and labral tears.
Main Methods:
- Review of 283 non-prosthetic hip surgeries (osteotomies, shelf procedures) with a minimum 10-year follow-up (average 15 years).
- Evaluation of patient outcomes based on the Merle d'Aubigné rating (satisfactory if ≥15/18).
- Clinical and imaging analysis of acute anterior hip pain syndromes, including FAI and labral tears, with discussion of surgical treatments (open and arthroscopic).
Main Results:
- Non-prosthetic surgery achieved 85% satisfactory results at 15 years when favorable prognostic factors were present (complete dysplasia correction, age <40, arthritis grade I/II).
- Outcomes decreased to 55% satisfactory results when patients were over 40 or had arthritis grade >II.
- Chiari osteotomy showed good results but had a higher complication rate (12%) and limping (25%).
- FAI and labral tears were precisely characterized, with reported outcomes for various surgical techniques.
Conclusions:
- Non-prosthetic hip surgery offers superior functional results, longevity, and preserves future treatment options compared to total hip arthroplasty for young adults.
- Favorable prognostic factors are crucial for successful hip preservation surgery.
- Accurate diagnosis and tailored surgical approaches are essential for managing acute anterior hip pain syndromes.
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