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The Bone & Joint Journal
Vol. 103-B, Issue 1 | Pages 113 - 122
1 Jan 2021
Kayani B Tahmassebi J Ayuob A Konan S Oussedik S Haddad FS

Aims

The primary aim of this study was to compare the postoperative systemic inflammatory response in conventional jig-based total knee arthroplasty (conventional TKA) versus robotic-arm assisted total knee arthroplasty (robotic TKA). Secondary aims were to compare the macroscopic soft tissue injury, femoral and tibial bone trauma, localized thermal response, and the accuracy of component positioning between the two treatment groups.

Methods

This prospective randomized controlled trial included 30 patients with osteoarthritis of the knee undergoing conventional TKA versus robotic TKA. Predefined serum markers of inflammation and localized knee temperature were collected preoperatively and postoperatively at six hours, day 1, day 2, day 7, and day 28 following TKA. Blinded observers used the Macroscopic Soft Tissue Injury (MASTI) classification system to grade intraoperative periarticular soft tissue injury and bone trauma. Plain radiographs were used to assess the accuracy of achieving the planned postioning of the components in both groups.


The Bone & Joint Journal
Vol. 98-B, Issue 11 | Pages 1479 - 1488
1 Nov 2016
Kalson NS Borthwick LA Mann DA Deehan DJ Lewis P Mann C Mont MA Morgan-Jones R Oussedik S Williams FMK Toms A Argenson JN Bellemans J Bhave A Furnes O Gollwitzer H Haddad FS Hofmann S Krenn V

Aims

The aim of this consensus was to develop a definition of post-operative fibrosis of the knee.

Patients and Methods

An international panel of experts took part in a formal consensus process composed of a discussion phase and three Delphi rounds.


The Bone & Joint Journal
Vol. 96-B, Issue 7 | Pages 857 - 862
1 Jul 2014
Abdel MP Oussedik S Parratte S Lustig S Haddad FS

Substantial healthcare resources have been devoted to computer navigation and patient-specific instrumentation systems that improve the reproducibility with which neutral mechanical alignment can be achieved following total knee replacement (TKR). This choice of alignment is based on the long-held tenet that the alignment of the limb post-operatively should be within 3° of a neutral mechanical axis. Several recent studies have demonstrated no significant difference in survivorship when comparing well aligned versus malaligned TKRs. Our aim was to review the anatomical alignment of the knee, the historical and contemporary data on a neutral mechanical axis in TKR, and the feasibility of kinematically-aligned TKRs.

Review of the literature suggests that a neutral mechanical axis remains the optimal guide to alignment.

Cite this article: Bone Joint J 2014;96-B:857–62.