Patellofemoral Arthroplasty

 

Patellofemoral joint replacement

 

PFJRPFJRPFJR

 

Technique

 

Vumedi surgical technique video

 

JBJS Essential Surgical technique PDF

 

Contra-indications

 

Inflammatory conditions

Patella maltracking / malalignment

Tibiofemoral arthritis / medial or lateral joint pain / instability

 

PJF OA

 

Results

 

Outcomes

 

Sava et al KSSTA 2023

- systematic review of inlay versus only PFJR

- no difference in functional outcome

- higher progression of OA with only trochlea implants

 

Australian Joint Registry 2023

- 15 year revision rate of 3326 PJF arthroplasty: 35.6

- increased risk with males and < 65

  PFJ Arthroplasty TKA
1 year 1.4 1.0
3 year 6.5 2.4
5 year 10.6 3.1
7 year 15.3 4.6
10 year 22.4 6.2
15 year 35.6 7.7

 

Complications

 

PFJAPFJR