2015
DOI: 10.1007/s00264-015-2991-4
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Megaprostheses in the treatment of periprosthetic fractures of the knee joint: indication, technique, results and review of literature

Abstract: Megaprostheses represent a valuable option in distal femoral PPFs type 3 according to Su et al., as well as proximal tibia PPFs type 1B according to Felix et al., with loose tibial components. Infection remains the most frequent nonmechanical complication. Prospective clinical studies are required to exactly define the outcome of this technique in PPFs; use of the Henderson classification system would allow comparison between megaprostheses in oncological and nononcological indications.

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Cited by 64 publications
(42 citation statements)
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“…Aseptic loosening was seen in 7.7% and 9.9% of proximal and distal femur megaprosthesis, respectively. Aseptic loosening of megaprosthesis in the treatment of nonneoplastic diseases has been previously detected with rates ranging from 0% to 9.5% [25,29], and these reports are consistent with aseptic loosening after tumor prosthesis [4]. Periprosthetic fracture was seen in 3.2% and 11.1% of cases of proximal and distal femur megaprosthesis, respectively.…”
Section: Discussionsupporting
confidence: 76%
See 1 more Smart Citation
“…Aseptic loosening was seen in 7.7% and 9.9% of proximal and distal femur megaprosthesis, respectively. Aseptic loosening of megaprosthesis in the treatment of nonneoplastic diseases has been previously detected with rates ranging from 0% to 9.5% [25,29], and these reports are consistent with aseptic loosening after tumor prosthesis [4]. Periprosthetic fracture was seen in 3.2% and 11.1% of cases of proximal and distal femur megaprosthesis, respectively.…”
Section: Discussionsupporting
confidence: 76%
“…Megaprosthesis of the proximal or distal femur is a viable option for limb reconstruction in non-neoplastic conditions like failed hip or knee arthroplasty, periprosthetic fractures, osteoporotic fracture with severe comminution, or resistant non-union in elderly patients [2,29]. Megaprosthesis in such cases should be considered as a limb salvage option in carefully selected patients when other surgical options are not feasible [14].…”
Section: Discussionmentioning
confidence: 99%
“…Of interest, aseptic loosening of megaprostheses in the treatment of nonneoplastic diseases has been previously detected with rates ranging from 0% to 9.5% [2, 3, 810, 13]. …”
Section: Discussionmentioning
confidence: 99%
“… [1] or with the new Unified Classification System [2] and occur with a frequency of up to 3% after total knee arthroplasty. They are the reason for revision surgery in about 3% of cases [3] , [4] , [5] , [6] , [7] , [8] .…”
Section: Introductionmentioning
confidence: 99%
“…Revision surgery is necessary when the knee endoprosthesis becomes loose or when osteosynthesis is not possible because of the size of the bone defect. In the latter case, treatment has often involved megaprostheses with a metallic replacement of the distal femur or allograft replacement of the distal femur [4] , [8] . The disadvantage of these techniques are associated with the low level of biological reconstruction and the high risk of infection that results from the large metallic or dead bone surfaces [8] , [9] , [10] , [11] .…”
Section: Introductionmentioning
confidence: 99%