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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 298 - 298
1 Jul 2011
Swamy G Pace A Howard P
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Introduction/Background: Uncemented total hip arthrolpasty [THA] was developed to achieve biological fixation of the prosthesis through integration of components into the prepared bone, especially in young patients with higher functional demands and longer life expectancy. The aim of this study was to update the results of a prospectiv series of primary cementless total hip arthroplasties after a minimum of 10 years follow-up

Materials and Methods: We reviewed 201 consecutive uncemented Bi-contact [Aesculap, Tuttlingen, Germany] THA in 177 patients. Harris hip score was recorded pre-operatively and at most recent follow up. Radiological measurements of the acetabulum for migration and radiolucency with Charnley-Lee zones, femur for stem subsistence, calcar resorption, prosthesis-bone radiolucency in the Gruen zones and hypertrophic calcification were carried out. Using revision as an end point, the cumulative survival of the prosthesis was noted. Survival analysis was performed using Kaplan-Meier curves and constructing life tables.

Results: 122 THR with a mean follow-up of 12.9 years were available for follow-up. 62 patients were dead and 17 patients were lost for follow-up. The mean age at surgery was 66.6 years (range 39–88).12 acetabula and 1 femur were revised in 11 patients due to any cause and 3 patients had indications for revision. The cumulative survival of the prosthesis with revision due to any cause was 95.42% at 10 years and 93.57% at 12 years. With revision due to aseptic loosening as an end-point, the cumulative survival was 97.8% at 10 years and 95.9% at 12 years. Comparison of worst-case curves using Log-rank test was statistically significant (p=0.0005).

Conclusion: Our series shows excellent stem results (without HA coating) with no revisions due to aseptic loosening. All stems were stable. Cup survivals were comparable to the other uncemented THA and cemented THA.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 24 - 24
1 Jan 2011
Karantana A Suri M Howell C Pace A Dhar S
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This is a case series of 25 patients with Multiple Epiphyseal Dysplasia (MED), a genetically determined disorder characterised by abnormal ossification of multiple epiphyses. The Nottingham Skeletal Dysplasia Clinic has run since 1966. In 1994 it combined with the Clinical Genetics Service providing care to patients from throughout the region. We collected data on MED patients with follow up of 1 to 41 years (average 12 years) and described their presenting symptoms, genetic, clinical and radiographic features. We followed the natural history and vast array of treatments.

From the genetic point of view, 90% of patients counselled had typical AD-MED and 10% syndromic MED. Seven families opted to have testing. There were MATN3 mutations in 10% of the cohort, with marked intra-familial variability of phenotype. The average age at presentation was thirteen, with 80% of patients presenting before their sixteenth birthday. A third was seen because of a known family history of MED. Newly diagnosed index patients tended to present later. The most commonly affected joint at presentation was the hip and the most common knee deformity genu valgum. Symptoms progressed with time and joints not clinically affected at presentation became symptomatic later. Sixty percent of patients had further joint involvement within 10 years of diagnosis. Treatment ranged from orthotics to arthroplasty. Half of patients required surgical intervention at least once. Six patients underwent hip arthroplasty at an average age of 37.

MED is a rare diagnosis but has significant impact on the quality of life of those diagnosed, who require the support of a multidisciplinary team from an early age. This is not only to help manage symptoms and preserve function, but also to counsel on the progressive nature and the genetic aspects of the disorder.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 99 - 100
1 Mar 2009
pace A davis T
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Carpometacarpal arthritis of the thumb is a common source of morbidity particularly in post-menopausal women. It is commonly and successfully treated by trapeziectomy with or without ligament reconstruction and tendon interposition. This randomised prospective study compared the results of trapeziectomy alone or combined with tendon interposition and ligament reconstruction in 125 patients. Each patient had subjective and objective assessment of thumb pain, stiffness and strength and were scored using the D.A.S.H. and P.E.M. scoring systems. Patients were assessed pre-operatively and at 3 months and 1 year after surgery. The results of the two procedures revealed statistically improved pain levels but there was no statistically significant difference between the two in terms of pain relief, stiffness, weakness, grip strength, keypinch and thumb key pinch as well as in the D.A.S.H. and P.E.M. scores. The study shows that in the short term soft tissue reconstruction in addition to a simple trapeziectomy provides no improved benefit to the patient.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 276 - 276
1 Sep 2005
Pace A Copeland S
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With respect to glenoid neck malunion and rotator cuff injury, conservative treatment is often considered best for extra-articular glenoid neck fractures. More recent studies reveal that outcomes are not uniformly good, but the cause of poor outcomes has not been investigated. We reviewed nine patients who had sustained a glenoid neck fracture of the scapula within the last 10 years and who had been treated conservatively with immobilisation and then early active motion.

Their functional and anatomical outcomes were analysed by clinical examination and validated scoring systems, including the Oxford questionnaire and Constant shoulder score. Plain radiographs and MRI studies were correlated with outcome.

None of the nine patients was free of pain and some had poor Oxford and Constant scores. Pain was associated with glenoid malunion and evidence of subacromial bursitis and/or rotator cuff tendinopathy.