Skip to main content

Table 1 Summary of patients with intraoperative femoral condyle fracture

From: Intraoperative femoral condyle fracture in primary total knee arthroplasty - a case-control study in Asian population

Patient

Sex

Age at operation (years)

Side

BMI

(kg/m2)

Documented risk factor for Osteoporosis

ASA

Surgeon level

Model

Femoral Size

Navigation

Site of fracture

Displacement

Time discovered

Step of which fracture occured

Management

LOS (days)

Latest FU from primary OT (years)

KSS (knee) at latest FU

KSS (function) at latest FU

A

F

56

Left

32.1

2

Specialist

Legacy

E

No

Medial condyle

Nil

Postoperative

Unknown

Conservative

6

5

92

90

B

F

67

Right

26.4

2

Specialist

PFC

3

No

Medial condyle

Nil

Postoperative

Unknown

Conservative

8

4.75

94

90

C

F

81

Right

21.9

Age > 70

2

Specialist

Triathlon

1

No

Medial condyle

Nil

Postoperative

Unknown

Conservative

7

3.8

72

70

D

F

57

Right

28.6

2

Specialist

Legacy

C

No

Medial condyle

Yes

Postoperative 2 months

Unknown

Revision TKA

4

2.3

77

80

E

F

75

Left

24.7

Age > 70

2

Trainee

Triathlon

3

No

Medial condyle

Nil

Intraoperative

During PE insertion

Screw fixation

6

3.5

89

80

F

F

68

Right

29.7

CRF

3

Specialist

Legacy

E

No

Lateral condyle

Nil

Intraoperative

During trial of femoral component

Screw fixation

8

3.75

99

85

G

M

50

Left

30.1

2

Specialist

Legacy

F

No

Medial condyle

Nil

Intraoperative

Unknown

Screw fixation

6

3.75

100

90

H

M

65

Left

28.5

3

Specialist

Legacy

D

No

Medial condyle

Nil

Intraoperative

During impaction of implant

Screw fixation

11

3

98

85

I

F

74

Right

26.1

Age > 70

2

Specialist

Legacy

C

Yes, iAssist

Medial condyle

Nil

Intraoperative

Unknown

Screw fixation

6

3

99

75

J

F

64

Left

33.3

2

Specialist

Triathlon

4

No

Lateral condyle

Nil

Intraoperative

During impaction of implant

Conservative

5

2.75

90

75

K

F

77

Right

31.3

Age > 70

2

Specialist

Legacy

D

Yes, iAssist

Medial condyle

Nil

Postoperative

Unknown

Conservative

11

1.5

96

70

L

M

85

Left

20.5

Age > 70, History of fracture left hip

3

Trainee

Triathlon

3

Yes, ASM

Medial condyle

Nil

Intraoperative

During impaction of implant

Conservative

13

0.3

75

70

M

F

71

Right

24.3

Age > 70

2

Trainee

Triathlon

2

Yes, ASM

Medial condyle

Nil

Intraoperative

After box cut of femoral component

Screw fixation

9

5.9

91

85

N

F

66

Right

22.9

2

Specialist

Legacy

D

No

Lateral condyle

Nil

Intraoperative

After box cut of femoral component

Screw fixation

7

5.6

93

85

O

F

82

Right

22.5

Age > 70

2

Specialist

Triathlon

1

Yes, ASM

Lateral condyle

Nil

Intraoperative

After box cut of femoral component

Screw fixation

10

3

94

65

P

F

56

Right (Bilateral OT)

34.0

CRF

2

Specialist

Triathlon

2

Yes, ASM

Medial condyle

Nil

Intraoperative

After box cut of femoral component

Screw fixation

22

4.3

71

95

Q

F

72

Left

23.4

Age > 70

3

Trainee

Legacy

D

No

Medial condyle

Nil

Intraoperative

During trial of femoral component

Screw fixation

6

2.7

89

60

R

F

72

Left (Bilateral OT)

30.7

Age > 70, Breast cancer

2

Specialist

Triathlon

3

Yes, ASM

Lateral condyle

Nil

Intraoperative

Unknown

Screw fixation

10

0.3

78

80

S

M

58

Left (Bilateral OT)

27.5

2

Specialist

Triathlon

5

Yes, ASM

Medial condyle

Nil

Intraoperative

During impaction of implant

Screw fixation

5

2

85

90

T

F

81

Left

23.8

Age > 70, History of osteoporotic spinal collapse

2

Specialist

Attune

5

No

Lateral condyle

Nil

Intraoperative

During impaction of implant

Screw fixation

7

2

97

80

U

F

74

Both (Bilateral OT)

23.2

Age > 70

2

Specialist

Triathlon

2 (Both sides)

Yes, ASM

Medial condyle

Nil

Intraoperative

During chamfer cut (both sides)

Screw fixation

8

0.7

92

80

V

F

73

Right

26.4

Age > 70

2

Trainee

Evolution

2

No

Medial condyle

Nil

Postoperative 1 week

Unknown

Conservative

4

0.9

94

85

  1. F female, M male, LOS postoperative length of stay, OT operation, BMI body mass index, ASA American Society of Anaesthesiologists Physical Status Classification, iAssist iASSIST Knee System, Zimmer, ASM eNdtrac ASM Knee Navigation System, Stryker, DM diabetes mellitus, CRF chronic renal failure with estimated glomerular filtration rate (eGFR) < 30 mL/min/1.73m2, Triathlon Triathlon® Knee System, Stryker, Legacy NexGen® Legacy® Posterior Stabilized (LPS) Flex Fixed Bearing Knee, Zimmer, PFC P.F.C.® Total Knee System, DePuy Synthes, Attune ATTUNE® Knee System, DePuy Synthes, Evolution EVOLUTION™ Medial-Pivot Knee System, MicroPort, TKA total knee arthroplasty, FU follow up, KSS (knee) Knee Society Knee score, KSS (function) Knee Society Function score