Table 1 Complications and their treatment

Infection

2

-

3 arthroscopies incl. debridement

1 revision TKR

Pulmonary embolism

1

1

-

-

Death (not related to TKR)

1

-

-

-

Hematoma

1

-

1 arthroscopic evacuation

-

Skin necrosis

1

1

-

-

Periprosthetic femoral fracture

1

-

2 revision surgeries

-

Persistent pain without specific reason

1

-

-

1 revision TKR

Stiffness (flexion less than 90°)

5

2 closed mobilization

3 arthroscopic release and closed mobilization

1 PE exchange and secondary patella resurfacing

1 revision TKR after unsuccessful exchange of PE

Friction iliotibial band

6

1

5 arthroscopic release and debridement

-

Dislocation patella button

2

-

-

2 exchange of button

Patella fracture/ fragmentation

1

-

-

1 trabecular metal patella and new button

Dislocation of tibial tuberosity after cut

1

-

2 revision surgeries to fix multifragmentary tuberosity

-

Wrong side PE

1

-

-

1 exchange of PE

Midflexion instability

9

4

-

5 revision TKR, one after unsuccessful arthroscopic debridement

Total

33

9

16

13