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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_4 | Pages 25 - 25
1 Jan 2013
McGregor A Doré C Morris T Morris S Jamrozik K
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Introduction

This study sought to determine whether the functional outcome of two common spinal operations could be improved by a programme of post-operative rehabilitation and/or an educational booklet each compared with usual care.

Methods

This was a multi-centre, factorial, randomised controlled trial on the post operative management of spinal surgery patients, with randomisation stratified by surgeon and operative procedure. The study compared the effectiveness of a rehabilitation programme and an education booklet for the postoperative management of patients undergoing discectomy or lateral nerve root decompression surgery, each compared with “usual care” using a 2 × 2 factorial design, randomising patient to four groups; rehabilitation-only, booklet-only, rehabilitation-plus-booklet, and usual care only. The primary outcome measure was the Oswestry Disability Index (ODI) at 12 months, with secondary outcomes including visual analogue scale measures of back and leg pain. An economic analysis was also performed.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 305 - 306
1 May 2006
Espahbodi S Humphries K Doré C McCarthy I Standfield N Cosgrove D Hughes S
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Introduction: Duplex ultrasound has recently been used to demonstrate inflammatory hyperaemia in arteries supplying inflamed joints in RA, bursitis, and tendonitis. The technique has yet to be applied to examine blood flow in lumbar arteries in LBP patients, though we have previously shown its feasibility in healthy subjects. Our aim was to determine if there are differences in the flow characteristics of lumbar arteries in patients with LBP that may be reflective of pathology.

Materials and Methods: Sixty four patients with LBP (21–82 years) and 30 volunteers with no history of LBP (19–82 years) were studied. Sacral and lumbar arteries at L5 to L1 were identified and hemodynamic data was obtained using Duplex ultrasound. Angle corrected measurements of blood flow peak systolic velocity (PSV) were obtained at all lumbar levels and the aorta.

Results: Mean lumbar artery PSV was normalized with mean aorta PSV for patient and control groups. Reference range (mean ± 1.96SD) for normal lumbar artery PSV was defined from the control data and the proportion of patients with abnormally high PSV determined.

Discussion: Blood flow velocity in lumbar arteries of LBP patients is significantly higher compared with asymptomatic controls (p< 0.01). Approximately 40% of the LBP group have abnormally high lumbar artery flow velocity and the proportion of abnormal values increases at lower levels. Abnormally high velocity flow suggests the presence of an inflammatory component in the lumbar spinal structures. This technique has important applications in improving diagnostic specificity and assessing outcome of treatment in patients with LBP.