Evaluation and management of patellar instability.

Area of Science:

• Orthopedics
• Sports Medicine
• Biomechanical Engineering

Background:

• Patellar instability is a common issue in adolescents and young adults.
• Risk factors include trochlear dysplasia, patella alta, and ligamentous laxity.
• Recurrent dislocations increase the risk of patellofemoral joint damage.

Purpose of the Study:

• To review risk factors for patellar instability.
• To discuss current treatment strategies for first-time and recurrent dislocations.
• To explore a risk-stratified approach to surgical indications.

Main Methods:

• Literature review of patellar instability.
• Analysis of demographic and anatomic risk factors.
• Discussion of current and emerging treatment paradigms.

Main Results:

• Young patients with trochlear dysplasia are at high risk for redislocation after a first-time event.
• Nonoperative management is standard for first-time dislocators without loose bodies.
• The role of early surgical stabilization for high-risk first-time dislocators is under investigation.

Conclusions:

• A risk-stratified approach to surgical indications for patellar instability is warranted.
• Further research is needed to determine optimal surgical strategies for recurrent dislocations, especially in high-risk patients.
• Considering concurrent bony realignment with MPFL reconstruction may be necessary for certain patient groups.