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Quadriceps pull test: an outcome predictor for lateral retinacular release in recurrent patellar dislocation
1Department of Orthopaedic Surgery, District General Hospital, Grimsby, Humberside, UK.
Journal of the Royal College of Surgeons of Edinburgh
|April 30, 1998
Summary
Recurrent patellar dislocation can be treated surgically. The quadriceps pull test, measuring patellar movement, significantly correlates with successful outcomes for patients undergoing lateral release surgery.
Area of Science:
- Orthopedic Surgery
- Biomechanics
Background:
- Recurrent patellar dislocation has a complex cause.
- Current surgical options lack clear clinical or radiological guidelines for procedure selection.
Purpose of the Study:
- To evaluate surgical outcomes for recurrent patellar dislocation.
- To identify predictive factors for successful surgical correction.
Main Methods:
- A series of 29 knees with recurrent patellar dislocation were treated.
- Follow-up was conducted for at least 2 years.
- The quadriceps pull test was used to assess horizontal patellar movement during muscle contraction.
Main Results:
- A significant correlation was observed between the quadriceps pull test results and surgical outcomes.
- This correlation was specifically noted in cases treated with lateral release alone.
Conclusions:
- The quadriceps pull test is a valuable clinical tool for predicting surgical success in recurrent patellar dislocation.
- It can aid in selecting appropriate surgical procedures, particularly lateral release.