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Table 1 Shows summarised data on all patients who sustained a spinout

From: Polyethylene spinout in the Attune® Cruciate-Retaining Rotating-Platform (CR RP) total knee arthroplasty performed with a cruciate-sacrificing and measured-resection technique

Case no.

Age

Sex

BMI

Time to spinout (days)

Femoral component size

Pre-operative deformity

Dislocation direction

Outcome

1

63

Female

41

29

5

5° varus

Posteromedial

Hinged prosthesis

2

83

Female

28.4

14

6

11° valgus

Posterolateral

Hinged prosthesis

3

67

Female

34

2

5

Neutral

Posterolateral

Polyethylene exchange

4

64

Female

45

2

4

8° varus

Posterolateral

Knee fusion

5

84

Female

33

43

4

19° valgus

Posterolateral

Polyethylene exchange

6

53

Male

19.5

19

5

11° valgus

Posteromedial

Polyethylene exchange

7

71

Male

26.4

134

5

7° valgus

Posterolateral

Polyethylene exchange

8

72

Female

29.5

29

3

5° valgus

Posteromedial

VVC revision prosthesis

  1. BMI Body Mass Index, VVC varus-valgus constrained