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Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_1 | Pages 91 - 91
1 Jan 2016
Cobb J Boey J Manning V Wiik A
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Introduction

Our primary hypothesis was simple: does gait on a downhill gradient distinguish between types of knee arthroplasty? Our secondary hypotheses were these: are stride length and other kinematic variables affected by cruciate ligament integrity following knee arthroplasty?

Participants

Ethical approval was sought and gained prior to commencement of the study. 52 subjects were tested on the instrumented treadmill, 3 groups (UKA, TKA, and young healthy control) of 19, 14, and 19 respectively. The two high performing arthroplasty groups were recruited from a database of patient related outcome measures (PROMs) and were chosen based on high Oxford knee scores (OKS) with a minimum 12 months post hip arthroplasty.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 47 - 47
1 Apr 2013
Boey J Tow B Yeo W Guo CM Yue WM Chen J Tan SB
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Introduction

This study compares outcomes of vertebroplasty(VP) and kyphoplasty(KP) in 125 consecutive female Asian patients above 65 years with L1 osteoporotic vertebral compression fractures

Methods

57 and 68 patients underwent VP and KP respectively from 2004 to 2008. Outcomes were measured prospectively at pre-operation, 1 month, 6 months and 2 years post-operation by blinded assessors. Radiographic outcome: Anterior, middle and posterior vertebral heights of the L1 vertebral body Functional outcome: Short-Form 36(SF-36) score, Visual Analogue Scale(VAS) score for back pain


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 43 - 43
1 Apr 2013
Boey J Tow B Yeo W Guo CM Yue WM Chen J Tan SB
Full Access

Introduction

The risk factors for new adjacent vertebral compression fracture (NAVCF) after Vertebroplasty (VP) or Kyphoplasty (KP) for osteoporotic vertebral compression fractures (VCFs) were investigated.

Materials and methods

The authors retrospectively analyzed the incidence of NAVCFs in 135 patients treated with VP or KP for osteoporotic VCFs. Study period was from 2004 to 2008 with minimum follow-up of 2 years.

Possible risk factors were documented: age, gender, body mass index, bone mineral density (BMD), co-morbidities, location of treated vertebra, treatment modality and amount of bone cement injected.

Anterior-posterior vertebral body height ratio, intra-discal cement leakage into the disc space and pattern of cement distribution of the initial VCF and adjacent vertebral bodies were assessed on lateral thoracolumbar radiographs by 2 independent assessors.