Clinical Outcome After Treatment of Patellar Fractures With Locking Plates

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02015975

Enrollment

Registered

2013-12-19

Start date

2013-05-01

Completion date

2018-06-30

Last updated

2018-07-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Fracture of Patella

Keywords

patellar fracture, fracture of patella, patella, locking plate osteosynthesis, osteosynthesis, star-plate, arrow-plate

Brief summary

Depending on the fracture pattern of patellar fractures tension band wiring, interfragmentary screw fixation or combinations are common treatments. But there are several problems associated with these techniques as fracture dislocation or loosening and perforation of the wire. Furthermore an anatomic reduction with stable fixation in comminuted fractures is almost impossible to achieve. A new option in the treatment of patellar fractures is the locking plate osteosynthesis, which provides a more stable fixation and higher mechanical strength in biomechanical tests compared to classic tension band wiring. Due to various screw positioning a stable fixation in comminuted fractures can be achieved and an early functional treatment with full weight bearing reduces the loss of knee-motion. Furthermore a removal of the osteosynthesis seems not to be essential anymore and the blood supply is not to be compromised. Because of the absent of clinical evidence investigators want to evaluate the clinical outcome after locking plate osteosyntheses in patellar fractures and compare patient satisfaction, functional motion, complications and number of revisions with common treatments.

Interventions

None listed

Study design

Observational model

CASE_ONLY

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* patients with indication for operative treatment of a patellar fracture * sufficient compliance * signed patient information

Exclusion criteria

* preoperative disease or trauma of the patellar * preoperative loss of motion of the knee * former operations of the patellar * alcohol or drug consumption

Design outcomes

Primary

Measure	Time frame	Description
Clinical short-term results	6 weeks	The clinical short-term results after treating a patellar fracture with plate osteosynthesis are evaluated. Therefore functional motion is measured, complications and revision operations reviewed and knee-scores analyzed (Tegner-Score, Lysholm-Score, Kujala-Score, International Knee Documentation Committee - Subjective knee evaluation form).

Secondary

Measure	Time frame	Description
Clinical long-term results	24 months	Further changes in functional motion and knee-scores are analyzed as well as the occurrence and frequency of complications and revision operations.

Countries

Germany

Outcome results