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Radiographic changes with radial head subluxation in children
1Department of Emergency Medicine, Albany Medical Center Hospital, NY 12208.
The Journal of Emergency Medicine
|May 1, 1990
Summary
Radial head subluxation (RHS) in children may show radiocapitellar line (RCL) displacement on X-rays. This finding confirms RHS but doesn't alter treatment or outcomes.
Area of Science:
- Pediatric Orthopedics
- Radiology
- Emergency Medicine
Background:
- Radial head subluxation (RHS) is typically diagnosed without radiographic abnormalities.
- Recent reports suggest radiocapitellar line (RCL) displacement may indicate RHS in pediatric patients.
Purpose of the Study:
- To retrospectively investigate the presence and significance of RCL displacement in pediatric patients diagnosed with RHS.
Main Methods:
- Review of elbow and forearm radiographs from pediatric patients under 5 years old diagnosed with RHS.
- Analysis of RCL displacement measurements on 20 identified RHS cases.
Main Results:
- Five out of 20 (25%) radiographs showed RCL displacement greater than 3 mm, indicating RHS.
- Normal radiographs had RCL displacement less than or equal to 3 mm.
- RCL displacement confirmed RHS but did not impact treatment or outcomes.
Conclusions:
- RCL displacement is a radiographic indicator of RHS in young children.
- Radiographs may not always be necessary for confirmed RHS diagnoses.
- X-rays are recommended for atypical presentations or unsuccessful reductions to rule out severe injuries.