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Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_10 | Pages 32 - 32
1 Aug 2021
Powell-Bowns M Oag E Ng N Patton J Pandit H Moran M Clement N Scott C
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The aim of this study is to determine whether fixation, as opposed to revision arthroplasty, can be safely used to treat reducible Vancouver B type fractures in association with a cemented collarless polished tapered femoral stem (the Exeter).

This is a retrospective cohort study of 152 operatively managed consecutive unilateral Vancouver B fractures involving Exeter stems. 130 were managed with open reduction and internal fixation (ORIF) and 22 with revision arthroplasty. Radiographs were assessed and classified by 3 observers. The primary outcome measure was revision of ≥1 component. Kaplan Meier survival analysis was performed. Logistic regression was used to identify risk factors for revision following ORIF. Secondary outcomes included any reoperation, complications, blood transfusion, length of hospital stay and mortality.

Fractures (B1 n=74 (49%); B2 n=50 (33%); and B3 n=28 (18%)) occurred at mean 6.7±10.4 years after primary THA (n=143) or hemiarthroplasty (n=15). Mean follow up was 6.5 ±2.6 years (3.2 to 12.1). Rates of revision and reoperation were significantly higher following revision arthroplasty compared to ORIF for B2 (p=0.001) fractures and B3 fractures (p=0.05). Five-year survival was significantly better following ORIF: 92% (86.4 to 97.4 95%CI) Vs 63% (41.7 to 83.3), p<0.001. No independent predictors of revision following ORIF were identified: fixation of B2 or B3 fractures was not associated with an increased risk of revision. Dislocation was the commonest mode of failure after revision arthroplasty. ORIF was associated with reduced blood transfusion requirement and reoperations, but there were no differences in medical complications, hospital stay or mortality between surgical groups.

When the bone-cement interface was intact and the fracture was anatomically reducible, Vancouver B2 fractures around Exeter stems can be treated with fixation as opposed to revision arthroplasty. Fixation of Vancouver B3 fractures can be performed in frail elderly patients without increasing revision risk.


The Bone & Joint Journal
Vol. 103-B, Issue 2 | Pages 309 - 320
1 Feb 2021
Powell-Bowns MFR Oag E Ng N Pandit H Moran M Patton JT Clement ND Scott CEH

Aims

The aim of this study was to determine whether fixation, as opposed to revision arthroplasty, can be safely used to treat reducible Vancouver B type fractures in association with a cemented collarless polished tapered femoral stem (the Exeter).

Methods

This retrospective cohort study assessed 152 operatively managed consecutive unilateral Vancouver B fractures involving Exeter stems; 130 were managed with open reduction and internal fixation (ORIF) and 22 with revision arthroplasty. Mean follow-up was 6.5 years (SD 2.6; 3.2 to 12.1). The primary outcome measure was revision of at least one component. Kaplan–Meier survival analysis was performed. Regression analysis was used to identify risk factors for revision following ORIF. Secondary outcomes included any reoperation, complications, blood transfusion, length of hospital stay, and mortality.


Bone & Joint Research
Vol. 7, Issue 5 | Pages 351 - 356
1 May 2018
Yeoman TFM Clement ND Macdonald D Moran M

Objectives

The primary aim of this study was to assess the reproducibility of the recalled preoperative Oxford Hip Score (OHS) and Oxford Knee Score (OKS) one year following arthroplasty for a cohort of patients. The secondary aim was to assess the reliability of a patient’s recollection of their own preoperative OHS and OKS one year following surgery.

Methods

A total of 335 patients (mean age 72.5; 22 to 92; 53.7% female) undergoing total hip arthroplasty (n = 178) and total knee arthroplasty (n = 157) were prospectively assessed. Patients undergoing hip and knee arthroplasty completed an OHS or OKS, respectively, preoperatively and were asked to recall their preoperative condition while completing the same score one year after surgery.