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Congenital dislocation of the knee.
Acta Orthopaedica Scandinavica
|February 1, 1985
Summary
Congenital knee dislocation is rare, possibly linked to neuromuscular issues. Gentle manipulation is advised, with surgery for severe cases or if manipulation fails, to avoid fractures in newborns.
Area of Science:
- Orthopedics
- Pediatric Orthopedics
- Developmental Pediatrics
Background:
- Congenital dislocation of the knee (CDK) is a rare condition with uncertain incidence in Scandinavia.
- Previous studies have not definitively established the etiological factors of CDK.
Purpose of the Study:
- To determine the incidence of congenital dislocation of the knee in Scandinavia.
- To investigate potential etiological factors and recommend treatment strategies for CDK.
Main Methods:
- A retrospective review of 13 patients (19 affected knees) treated between 1960 and 1983.
- Assessment for associated muscular imbalances and spinal abnormalities.
- Follow-up evaluation of treatment outcomes and complications.
Main Results:
- The minimum incidence of CDK was estimated at 0.017 per mille.
- Neuromuscular imbalance was suggested by associated muscular and spinal abnormalities in a significant number of cases.
- Gentle manipulation is recommended; surgery is indicated for Grade III or persistent cases, with caution to avoid iatrogenic fractures.
Conclusions:
- Neuromuscular imbalance is a likely etiological factor in congenital dislocation of the knee.
- Current treatment recommendations emphasize conservative management initially, followed by surgical intervention when necessary.
- Careful manipulation is crucial to prevent iatrogenic injuries in newborns.