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Surgical Technique of the 3-Dimensional-printed Personalized Hip Implant for the Treatment of Canine Hip Dysplasia
Published on: April 19, 2024
Management of neonatal hip instability and dysplasia
1Orthopaedic Department, Blackburn Royal Infirmary, Bolton Road, Blackburn, Lancashire, UK. robin@coppybarn.freeserve.co.uk
Insights
Neonatal hip dysplasia diagnosis and treatment vary globally. While clinical instability is treated, the natural history of dysplasia requires more study, and optimal splinting methods remain unresolved.
Area of Science:
- Orthopedics
- Pediatric Medicine
- Diagnostic Imaging
Background:
- Diagnosis and treatment of neonatal hip instability and dysplasia lack universal consensus.
- Varied international guidelines exist for screening and treating infant hip conditions.
- German-speaking countries utilize universal ultrasound screening, leading to higher splinting rates.
Purpose of the Study:
- To review the controversies in diagnosing and treating neonatal hip instability and dysplasia.
- To explore differing international screening and treatment algorithms.
- To discuss the unresolved questions regarding splinting for hip dysplasia.
Main Methods:
- Review of existing literature and international guidelines on neonatal hip screening and treatment.
- Comparison of screening approaches (universal vs. selective ultrasound).
- Discussion of treatment variations and outcomes.
Main Results:
- Significant variation exists in screening and treatment protocols across countries.
- Universal screening in German-speaking areas results in higher splinting rates compared to selective screening in Scandinavia.
- The natural history and epidemiology of hip dysplasia are not fully understood.
Conclusions:
- Most experts agree on treating clinically unstable hips confirmed by ultrasound.
- Optimal splinting strategies (type, age, duration) require further controlled trials.
- A rational treatment algorithm for neonatal hip dysplasia is advocated despite unresolved questions.
Abstract:
The diagnosis and treatment of neonatal hip instability and dysplasia is controversial. Different countries have different algorithms and guidelines on which hips should be screened or treated. German speaking countries have introduced universal ultra sound hip screening programmes resulting in relatively high splintage rates in certain centres. Some Scandinavian centres have organised selective screening programmes with serial ultrasound observation of hip instabilities, leading to comparatively low splintage rates. Though most experts would treat clinical hip instability (confirmed by ultrasound evaluation), the natural history and epidemiology of dysplasia is less well understood. The treatment regimes for neonatal dysplasia are varied with wide differences in the rates of splintage. 'Late' dislocation may be secondary to prenatal dislocation (teratogenic), neonatal hip instability or to persistent major dysplasia of the hip. The term 'missed' dislocation should not be used as this suggests negligence on the part of the examiner, when this may not be the case. Which splint to use (rigid or dynamic), at what age, and for how long, are questions currently unresolved as no proper controlled trials have been undertaken. However, a sensible treatment algorithm can be advocated. Complications secondary to splintage are rare, though nerve damage, avascular necrosis of the hip, redislocation and skin problems have been described.