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The Bone & Joint Journal
Vol. 98-B, Issue 2 | Pages 249 - 259
1 Feb 2016
Sabharwal S Carter AW Rashid A Darzi A Reilly P Gupte CM

Aims

The aims of this study were to estimate the cost of surgical treatment of fractures of the proximal humerus using a micro-costing methodology, contrast this cost with the national reimbursement tariff and establish the major determinants of cost.

Methods

A detailed inpatient treatment pathway was constructed using semi-structured interviews with 32 members of hospital staff. Its content validity was established through a Delphi panel evaluation. Costs were calculated using time-driven activity-based costing (TDABC) and sensitivity analysis was performed to evaluate the determinants of cost


The Bone & Joint Journal
Vol. 96-B, Issue 3 | Pages 325 - 331
1 Mar 2014
Dodds AL Halewood C Gupte CM Williams A Amis AA

There have been differing descriptions of the anterolateral structures of the knee, and not all have been named or described clearly. The aim of this study was to provide a clear anatomical interpretation of these structures. We dissected 40 fresh-frozen cadaveric knees to view the relevant anatomy and identified a consistent structure in 33 knees (83%); we termed this the anterolateral ligament of the knee. This structure passes antero-distally from an attachment proximal and posterior to the lateral femoral epicondyle to the margin of the lateral tibial plateau, approximately midway between Gerdy’s tubercle and the head of the fibula. The ligament is superficial to the lateral (fibular) collateral ligament proximally, from which it is distinct, and separate from the capsule of the knee. In the eight knees in which it was measured, we observed that the ligament was isometric from 0° to 60° of flexion of the knee, then slackened when the knee flexed further to 90° and was lengthened by imposing tibial internal rotation.

Cite this article: Bone Joint J 2014;96-B:325–31.


The Bone & Joint Journal
Vol. 95-B, Issue 11 | Pages 1562 - 1569
1 Nov 2013
Al-Hadithy N Dodds AL Akhtar KSN Gupte CM

Recent reports have suggested an increase in the number of anterior cruciate ligament (ACL) injuries in children, although their true incidence is unknown.

The prognosis of the ACL-deficient knee in young active individuals is poor because of secondary meniscal tears, persistent instability and early-onset osteoarthritis. The aim of surgical reconstruction is to provide stability while avoiding physeal injury. Techniques of reconstruction include transphyseal, extraphyseal or partial physeal sparing procedures.

In this paper we review the management of ACL tears in skeletally immature patients.

Cite this article: Bone Joint J 2013;95-B:1562–9.


The Journal of Bone & Joint Surgery British Volume
Vol. 93-B, Issue 11 | Pages 1440 - 1448
1 Nov 2011
Dodds AL Gupte CM Neyret P Williams AM Amis AA

This annotation considers the place of extra-articular reconstruction in the treatment of anterior cruciate ligament (ACL) deficiency. Extra-articular reconstruction has been employed over the last century to address ACL deficiency. However, the technique has not gained favour, primarily due to residual instability and the subsequent development of degenerative changes in the lateral compartment of the knee. Thus intra-articular reconstruction has become the technique of choice. However, intra-articular reconstruction does not restore normal knee kinematics. Some authors have recommended extra-articular reconstruction in conjunction with an intra-articular technique.

The anatomy and biomechanics of the anterolateral structures of the knee remain largely undetermined. Further studies to establish the structure and function of the anterolateral structures may lead to more anatomical extra-articular reconstruction techniques that supplement intra-articular reconstruction. This might reduce residual pivot shift after an intra-articular reconstruction and thus improve the post-operative kinematics of the knee.


The Journal of Bone & Joint Surgery British Volume
Vol. 89-B, Issue 5 | Pages 664 - 666
1 May 2007
Opara TN Gupte CM Liyanage SH Poole S Beverly MC

We describe a case of septic arthritis of the knee in which the diagnosis of tuberculosis was masked by an initial culture growth of Staphylococcus aureus. This led to a delay in diagnosis and an adverse outcome. In the appropriate clinical setting, we suggest that the index of suspicion for skeletal tuberculosis be raised in developed countries in order to avoid diagnostic delay, by requesting cultures for acid-fast bacilli and synovial biopsies at arthroscopy. Moreover, antituberculosis therapy should be started whilst awaiting the results of culture if the clinical history and biopsies are strongly suggestive of the diagnosis.


The Journal of Bone & Joint Surgery British Volume
Vol. 85-B, Issue 5 | Pages 765 - 773
1 Jul 2003
Gupte CM Bull AMJ Thomas RD Amis AA

We have tested the hypothesis that the meniscofemoral ligaments make a significant contribution to resisting anteroposterior and rotatory laxity of the posterior-cruciate-ligament-deficient knee. Eight cadaver human knees were tested for anteroposterior and rotatory laxity in a materials-testing machine. The posterior cruciate ligament (PCL) was then divided, followed by division of the meniscofemoral ligaments (MFLs). Laxity results were obtained for intact, PCL-deficient, and PCL-MFL-deficient knees.

Division of the MFLs in the PCL-deficient knee increased posterior laxity between 15° and 90° of flexion. Force-displacement measurements showed that the MFLs contributed 28% to the total force resisting posterior drawer at 90° of flexion in the intact knee, and 70.1% in the PCL-deficient knee. There was no effect on rotatory laxity.

This is the first study which shows a function for the MFLs as secondary restraints to posterior tibial translation. The integrity of these structures should be assessed during both imaging and arthroscopic studies of PCL-injured knees since this may affect the diagnosis and management of such injuries.


The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 6 | Pages 846 - 851
1 Aug 2002
Gupte CM Smith A McDermott ID Bull AMJ Thomas RD Amis AA

The meniscofemoral ligaments were studied in 84 fresh-frozen knees from 49 cadavers. Combined anterior and posterior approaches were used to identify the ligaments. In total, 78 specimens (93%) contained at least one meniscofemoral ligament. The anterior meniscofemoral ligament (aMFL) was present in 62 specimens (74%), and the posterior meniscofemoral ligament (pMFL) in 58 (69%). The 42 specimens (50%) in which both ligaments were present were from a significantly younger population than that with one MFL or none (p < 0.05). Several anatomical variations were identified, including oblique fibres of the posterior cruciate ligament (PCL), which were seen in 16 specimens (19%). These were termed the ‘false pMFL’.

The high incidence of MFLs and their anatomical variations should be borne in mind during arthroscopic and radiological examination of the PCL. It is important to recognise the oblique fibres of the PCL on MRI in order to avoid wrongly identifying them as either a pMFL or a tear of the lateral meniscus. The increased incidence of MFLs in younger donors suggests that they degenerate with age.