LO SCALPELLO-OTODI Educational

, Volume 29, Issue 3, pp 253–260 | Cite as

Chirurgia protesica mini-invasiva computer-assistita nell’artrosi di ginocchio in esiti di osteosintesi per fratture di femore

  • Norberto Confalonieri
  • Anna Gambarara
  • Andrea Corriero
  • Alfonso Manzotti
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Mini-invasive computer assisted knee replacement in arthosis following femoral fracture

Abstract

Post-traumatic knee arthrosis can be the result of residual misalignment outcome of the fracture or the result of a direct injury of the articular surface. Hardware presence and bone sclerosis often make impossible the use of intramedullary guides for the correct prosthesis alignment.

Frequently have to be performed additional operations such as hardware removal or corrective osteotomies before implanting the prosthesis, with an increased risk of infection and arthrofibrosis. The weakening of the bone resulting from the hardware removal increases the risk of fracture, while the need of multiple approaches increases the risk of soft tissue sofference.

There are good extramedullary tool kits for tibial cuts, more difficult and less precise the extramedullary tool kit for femoral cuts.

Knee arthroplasty outcomes in post traumatic knee is poor than in primary osteoarthritis. The computer assisted technique allows a better prosthesis alignment, improving outcomes and survival of the implant, eliminating the use of intramedullary guides allows to perform the arthroplasty without previously removing the hardware.

We compared two groups of patients undergoing knee arthroplasty. In group A patients with results of the lower limbs fracture operated with computer assisted technique; in group B patients homogeneous to the first in terms of arthritic alteration suffering from primary osteoarthritis of the knee operated with traditional technique.

Our conclusion is that with the computer assisted surgery is possible to obtain reproducible and comparable results to those that you can get in ’primary osteoarthritis knee replacement, in a single surgical time with a reducing of complications and costs.

Notes

Conflitto di interesse

Gli autori Norberto Confalonieri, Anna Gambarara, Andrea Corriero e Alfonso Manzotti dichiarano di non avere alcun conflitto di interesse.

Consenso informato e conformità agli standard etici

Tutte le procedure descritte nello studio e che hanno coinvolto esseri umani sono state attuate in conformità alle norme etiche stabilite dalla dichiarazione di Helsinki del 1975 e successive modifiche. Il consenso informato è stato ottenuto da tutti i pazienti inclusi nello studio.

Human and animal rights

L’articolo non contiene alcuno studio eseguito su esseri animali da parte degli autori.

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Copyright information

© Springer-Verlag Italia 2015

Authors and Affiliations

  • Norberto Confalonieri
    • 1
  • Anna Gambarara
    • 1
  • Andrea Corriero
    • 1
  • Alfonso Manzotti
    • 1
  1. 1.U.O. di Ortopedia e Traumatologia, Presidio Ospedaliero CTOIstituti Clinici di PerfezionamentoMilanoItalia

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