Orthopedics > OCOSH Classification > Trauma > Leg Injuries > Knee Injuries > Patellar Dislocation > Case 63. Patellar Dislocations

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Case 63. Patellar Dislocations

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Location: http://gait.aidi.udel.edu/res695/homepage/pd_ortho/educate/clincase/patdis.htm

Description: PATELLAR DISLOCATIONS:
* Most commonly due to twisting injury to knee.
* Only 10 % caused by direct trauma
* 24% incidence of positive family history of patellar dislocation
* Risk factors include:
  1. Shallow patellofemoral articular groove
  2. Patella alta
  3. Excessive Q angle
  4. Generalized ligamentous laxity
* Average age is 16- 20 years old, rare over 30
* Most common sports are football, basketball, baseball but not unusual in gymnastics, simple falls, cheerleading or dancing.
* Female sex often associated with increased incidence of patellar dislocation

Type: Case Study
Author/Contact: Abraham & Miller
Institution: Dupont Institute
Primary Subject/Category:

Language: English

Submitted by: admin
Hits: 363
Added: Mon Feb 04 2002
Last Modified: Fri Oct 02 2009