Table 2 Indications, complications, Harris hip score, and revision and implant survival of proximal femur megaprosthesis

Malkani AL et al.; 1995 [20]

Massive femoral bone loss (n = 33)

Dislocation (n = 11) Aseptic loosening (n = 11)

Preop 46 (31–83)

Postop 80 (50–91)

Revision (n = 11)

64% at 12 years

Parvizi J et al.; 2007 [3]

Periprosthetic fracture (n = 20)

Infection (n = 13)

Failed arthroplasty (n = 13)

Non-union of fracture (n = 1)

Radiation AVN (n = 1)

Dislocation (n = 8)

Aseptic loosening (n = 4)

Periprosthetic infection (n = 1)

Preop 37.1 (15–61)

Postop 64.9 (13–91)

Revision (n = 10)

87% at 1 year

and

73% at 5 years

Shih ST et al.; 2007 [22]

Periprosthetic fracture (n = 2)

Periprosthetic infection (n = 6)

Aseptic loosening (n = 3)

Allograft fracture (n = 1)

Dislocation (n = 5)

Aseptic loosening (n = 1)

Displaced fracture (n = 3)

Deep infection (n = 4)

Leg shortening (n = 2)

Ectopic ossification (n = 1)

Preop 30 (16–42)

Postop 83 (68–92)

Not mentioned

Not mentioned

Dean BJ et al.; 2012 [23]

Failed internal fixation for proximal femur fracture (n = 8)

No

71.4 (64–85)

Not mentioned

Not mentioned

McLean AL et al.; 2012 [24]

Periprosthetic femoral fracture (n = 20)

Dislocation (n = 3)

Periprosthetic fracture (n = 1)

Not mentioned

Not mentioned

Not mentioned

Grammatopoulos G et al.; 2016 [25]

Periprosthetic joint infection (n = 40)

Periprosthetic fracture (n = 12)

Failed osteosynthesis of a fracture (n = 16)

Miscellaneous (n = 9)

Infection (n = 9)

Dislocation (n = 3).

NA

revision (n = 9)

87% (95% CI 76– 98%) at 5 years

Viste A et al.; 2017 [26]

Aseptic loosening (n = 16)

Periprosthetic fracture (n = 15)

Prosthetic joint infection (n = 12)

Instability (n = 1)

Dislocation (n = 6)

Aseptic loosening(n = 1)

Periprosthetic fracture (n = 4)

Infection (n = 1)

Preop 42.8 (25.9–82.9)

Postop 68.5 (21.0–87.7)

Revision (n = 2)

86% at 5 years

and

66% at 10 years

Total

1. Periprosthetic fracture (n = 69, 28.1%)

2. Periprosthetic infection (n = 71, 28.9%)

3. Massive femoral bone loss in arthroplasty (n = 33, 13.4%)

4. Failed internal fixation for proximal femur fracture and complex fracture (n = 24, 9.7%)

5. Aseptic loosening (n = 19, 7.7%)

6. Miscellaneous (n = 16, 6.5%)

7. Failed arthroplasty (n = 13, 5.3%)

1. Dislocation (n = 36, 14.6%).

2. Aspetic loosening (n = 19, 7.5%)

3. Periposthetic fracture (n = 8, 3.2%)

4. Periposthetic infection (n = 17, 6.9%). *miscallenous soft tissue complications (n = 3)

Mean preop = 38.9

and

mean post op = 72.6

Revision (n = 32, 13.06%)

Mean − 80% at 5 years