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[Patellar fracture after patellar stabilization].

S Lippacher¹, H Reichel, M Nelitz

¹Orthopädische Universitätsklinik Ulm am RKU, Oberer Eselsberg 45, 89081, Ulm, Deutschland.

|March 20, 2010

Summary

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A rare patellar fracture occurred after medial patellofemoral ligament (MPFL) reconstruction due to a fall. Avascular necrosis secondary to interrupted blood supply is suspected in this case of post-MPFL reconstruction patellar fracture.

Area of Science:

Orthopedic Surgery
Sports Medicine
Trauma Surgery

Background:

Medial patellofemoral ligament (MPFL) reconstruction is a common procedure for treating patellar instability.
Patellar fractures are uncommon complications following MPFL reconstruction.

Observation:

A 20-year-old female sustained a patellar fracture from a fall on ice, two months post-MPFL reconstruction.
The fracture line traversed the patellar drill hole used during the MPFL reconstruction surgery.

Findings:

The patellar fracture was successfully treated with wire cerclage.
Avascular necrosis due to compromised blood supply is suspected as the cause of the fracture.

Implications:

This case highlights a potential, albeit rare, complication of MPFL reconstruction.

Related Experiment Videos

Further research may be warranted to investigate the risk factors and mechanisms of patellar fractures post-MPFL reconstruction, particularly concerning potential avascular necrosis.