Skip to main content

Table 4 Indications, complications, Knee Society Score, and revision and implant survival of distal femur megaprosthesis

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

AuthorsIndicationsComplicationsKnee Society Score (KSS)OutcomesImplant survival
Vaishya R et al.; 2011 [19]Resistant non-union supracondylar fracture (n = 10)Wound necrosis (n = 2)
Periprosthetic fracture (n = 1)
Not mentionedNot mentionedNot mentioned
Fakler JK et al.; 2013 [27]Periprosthetic fracture (n = 6)
Complex fractures and extensive bone defects (n = 8)
Patellar tendon rupture (n = 1)
Early aseptic loosening (n = 1)
Periprosthetic frature (n = 4)
Infection (n = 2)
KSS improved significantly from 20.0 (IQB 7.5–30.0) points preoperatively to 80.0 (IQB 62.3–89.0)Not mentionedNot mentioned
Vertesich Ket al; 2019 [28]Substantial bone loss following TKA (n = 30)Soft-tissue complications (n = 3)
Aseptic loosening (n = 4)
Periprosthetic fracture (n = 1)
Infection (n = 8)
DFR achieved 69.3% of KSS pain score, 23.1% KSS function score and 76.2% of ROM compared to patients with primary TKARevision surgery (n = 3)
Transfemoral amputation (n = 4)
Distal femur reconstruction (n = 1)
Revision-free survival was 74.8% at 1 year, 62.5% at 3 years and 40.9% at 10 years postop
TotalSubstantial bone loss after failed TKA (n = 30)
Resistant nonunion supracondylar fracture (n = 10)
Traumatic fracture with severe comminution (n = 8)
Periprosthetic fracture (n = 6)
Soft tissue complications (n = 6)
Aseptic loosening (n = 5)
Periprosthetic fracture (n = 6)
Periposthetic infection (n = 10)
 Revision surgery (n = 3, 5.5%)
Transfemoral amputation (n = 4)
Distal femur reconstruction (n = 1)
 
  1. TKA total knee arthroplasty, NA not available, ROM range of motion, preop preoperative