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

From: Non-neoplastic indications and outcomes of the proximal and distal femur megaprosthesis: a critical review

AuthorsIndicationsComplicationsHarris Hip ScoreRevision surgeryImplant survival
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 mentionedNot mentioned
Dean BJ et al.; 2012 [23]Failed internal fixation for proximal femur fracture (n = 8)No71.4 (64–85)Not mentionedNot mentioned
McLean AL et al.; 2012 [24]Periprosthetic femoral fracture (n = 20)Dislocation (n = 3)
Periprosthetic fracture (n = 1)
Not mentionedNot mentionedNot 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).
NArevision (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
Total1. 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
  1. AVN avascular necrosis, Preop preoperative, Postop postoperative