Table 4 Summary of the literature on atypical periprosthetic femoral fracture (APFF).

From: Atypical periprosthetic femoral fractures after arthroplasty for fracture are at high risk of complications

 

Robinson et al.14

Lee et al.15

MacKenzie et al.17

Leclerc et al.16

Our study

Total

21

7

16

11

43

Gender, M:F, n(%)

2:19 (10%:90%)

0:7 (0%:100%)

2:14 (12.5%:87.5%)

2:9 (18.8%:81.2%)

4:39 (7.6%:92.3%)

Mean age, years (SD or range)

80

81.8 (5.6)

73.9 (44 to 88)

72.3 (11.6)

78.0 (8.4)

History of BPs use, n(%)

10(100%)

6 (85.7%)

13 (81%)

8 (72.7%)

27 (62.8%)

Duration of BPs use, years (SD or range)

 > 2

4.4 (3.6)

5.5 (3.2 to 10.6)

Unknown

6.3 (3.1)

Fracture displaced:undisplaced, n(%)

Unknown

6:1 (85.7%:14.3%)

Unknown

8:3 (72.7%:27.3%)

37:6 (86%:14%)

Stem, cemented:cementless, n(%)

Mostly uncemented

2:5 (28.6%:71.4%)

16:0 (100%:0)

5 :3 (62.5%:37.5%)

13:30 (30.2%:69.8%)

Surgery (nonoperative:ORIF:revision)

No revision

Unknown

0:13:3 (0:81%:19%)

Unknown

1:35:7 (2.3%:81.4%:16.3%)

Duration of bone union

8mo

Unknown

Unknown

Unknown

10.8mo (7.6)

Any complication, n(%)

25%

Unknown

9 (56%)

Unknown

9 (21%)

Complications related to bone union, n(%)

Unknown

Unknown

6 (38%)

Unknown

7 (16.3%)