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Orthopaedic Proceedings
Vol. 105-B, Issue SUPP_13 | Pages 1 - 1
7 Aug 2023
Scheepers W Held M von Bormann R Wascher D Richter D Schenck R Harner C
Full Access

Abstract

Introduction

Knee dislocations (KDs) are complex injuries which are often associated with damage to surrounding soft tissues or neurovascular structures. A classification system for these injuries should be simple and reproducible and allow communication among surgeons for surgical planning and outcome prediction. The aim of this study was to formulate a list of factors, prioritised by high-volume knee surgeons, that should be included in a KD classification system.

Methods

A global panel of orthopaedic knee surgery specialists participated in a Delphi process. A list of factors to be included in a KD classification system was formulated by 91 orthopaedic surgeons, which was subsequently prioritised by 27 experts from 6 countries. The items were analysed to find factors that had at least 70% consensus for inclusion in a classification system.


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_7 | Pages 93 - 93
1 Jul 2022
Reddy G Rajput V Singh S Salim M Iqbal S Anand S
Full Access

Abstract

Background

Fracture dislocation of the knee involves disruption of knee ligaments with associated tibial plateau fracture. If these injuries are not evaluated swiftly, can result in a limb-threatening injury. The aim of this study is to look at the clinical outcomes of a single surgeon case series at a major trauma centre.

Methods

Prospectively collected data was analysed for a 5-year period. Primary outcome measures used were International Knee Documented Committee (IKDC) score and Knee Injury & Osteoarthritis Outcome Score (KOOS). The secondary outcome measures include Tegner activity scale, knee range of movements and complications.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXIX | Pages 99 - 99
1 Jul 2012
Gibbs J Khakha R Hull J Perry A Chissell H Hill P
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Introduction

It is now widely accepted that acute knee dislocations should be managed operatively. Most published studies are from outside the UK and from major trauma or specialist centres. The aim of the study is to report the functional outcomes of all patients presenting with an acute knee dislocation at our institution all of whom were surgically managed. The results were then compared to other published series. The hypothesis being that there would be no significant difference in the functional outcome scores between the groups.

Methods

All patients presenting with an acute knee dislocation over the last 15 years were included in the study. The patients were followed up using functional assessment scores: Knee outcome score (ADL), Knee outcome score (sports), Tegner Lysholm Scores and overall Patient Satisfaction. The patients were classified according to the Schecnk classification of knee dislocations.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_IX | Pages 62 - 62
1 Mar 2012
Doyle T Dargan D Connolly C Nicholas R Corry I McClelland C
Full Access

Purpose

To study the initial presentation and subsequent investigation and management of acute knee dislocations at a regional trauma centre.

Introduction

Knee dislocation requires high energy trauma, and often affects young working adults. The high incidence of associated arterial, neurological, ligamentous, and other soft tissue injuries, can produce potentially devastating outcomes. Rapid mobilisation of traditionally distinct surgical teams, with urgent vascular imaging and emergency surgery are often necessary. The extent and severity of ligamentous damage may require multiple operations to repair.


The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 5 | Pages 653 - 657
1 Jul 2002
Robinson BJ Rees JL Price AJ Beard DJ Murray DW Smith PM Dodd CAF

When the Oxford unicompartmental meniscal bearing arthroplasty is used in the lateral compartment of the knee, 10% of the bearings dislocate. A radiological review was carried out to establish if dislocation was related to surgical technique. The postoperative radiographs of 46 lateral unicompartmental arthroplasties were analysed. Five variables which related to the position and alignment of the components were measured. Dislocations occurred in six knees. Only one of the five variables, the proximal tibial varus angle, had a statistically significant relationship to dislocation. This variable quantifies the height of the lateral joint line. The mean proximal tibial varus angle for knees the bearings of which had dislocated was 9° and for those which had not it was 5°. In both groups it was greater than would be expected in the normal knee (3°). Our study suggests that a high proximal tibial varus angle is associated with dislocation. The surgical technique should be modified to account for this, with care being taken to avoid damage to or over-distraction of the lateral soft tissues


The Bone & Joint Journal
Vol. 100-B, Issue 1 | Pages 42 - 49
1 Jan 2018
Walker T Zahn N Bruckner T Streit MR Mohr G Aldinger PR Clarius M Gotterbarm T

Aims

The aim of this independent multicentre study was to assess the mid-term results of mobile bearing unicondylar knee arthroplasty (UKA) for isolated lateral osteoarthritis of the knee joint.

Patients and Methods

We retrospectively evaluated 363 consecutive, lateral UKAs (346 patients) performed using the Oxford domed lateral prosthesis undertaken in three high-volume knee arthroplasty centres between 2006 and 2014. Mean age of the patients at surgery was 65 years (36 to 88) with a mean final follow-up of 37 months (12 to 93)


The Bone & Joint Journal
Vol. 97-B, Issue 3 | Pages 329 - 336
1 Mar 2015
Tigchelaar S van Essen P Bénard M Koëter S Wymenga A

An increased tibial tubercle–trochlear groove (TT-TG) distance is related to patellar maltracking and instability. Tibial tubercle transfer is a common treatment option for these patients with good short-term results, although the results can deteriorate over time owing to the progression of osteoarthritis. We present a ten-year follow-up study of a self-centring tibial tubercle osteotomy in 60 knees, 30 with maltracking and 30 with patellar instability. Inclusion criteria were a TT-TG ≥ 15 mm and symptoms for > one year. One patient (one knee) was lost to follow-up and one required total knee arthroplasty because of progressive osteoarthritis. Further patellar dislocations occurred in three knees, all in the instability group, one of which required further surgery. The mean visual analogue scores for pain, and Lysholm and Kujala scores improved significantly and were maintained at the final follow-up (repeated measures, p = 0.000, intergroup differences p = 0.449). Signs of maltracking were found in only a minority of patients, with no difference between groups (p > 0.05). An increase in patellofemoral osteoarthritis was seen in 16 knees (31%) with a maximum of grade 2 on the Kellgren–Lawrence scale. The mean increase in grades was 0.31 (0 to 2) and 0.41 (0 to 2) in the maltracking and instability groups respectively (p = 0.2285)

This self-centring tibial tubercle osteotomy provides good results at ten years’ follow-up without inducing progressive osteoarthritis.

Cite this article: Bone Joint J 2015;97-B:329–36.