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Volume 96-B, Issue SUPP_4 February 2014 The Society for Back Pain Research (SBPR) Annual General Meeting: ‘Spotlight on sciatica’

U Zehra K Robson-Brown MA Adams P Dolan

Introduction

Decreasing endplate porosity has been proposed as a risk factor for intervertebral disc degeneration, because it interferes with disc metabolite transport. However, endplate porosity has recently been shown to increase with age and disc degeneration. We hypothesise that this increase reflects adaptive remodelling in response to altered loading from adjacent discs.

Methods

Nineteen cadaver motion segments (61–98 yrs) were compressed to 1kN while a pressure-transducer was pulled across the mid-sagittal diameter of the disc. Stress profiles indicated nucleus (intradiscal) pressure (IDP) and maximum stress in the anterior and posterior annulus. Subsequently, micro-CT was used to evaluate endplate porosity along the antero-posterior diameter of the adjacent endplates. Data were analysed using ANOVA and linear regression.


S Matthews M Horner U Zehra K Robson-Brown P Dolan

Introduction

Dual energy X-ray absorptiometry (DEXA) is the gold standard for assessing bone mineral density (BMD) and fracture risk in vivo. However, it has limitations in the spine because vertebrae show marked regional variations in BMD that are difficult to detect clinically. This study investigated whether micro-CT can provide improved estimates of BMD that better predict vertebral strength.

Methods

Ten cadaveric vertebral bodies (mean age: 83.7 +/− 10.8 yrs) were scanned using lateral-projection DEXA and Micro-CT. Standardised protocols were used to determine BMD of the whole vertebral body and of anterior/posterior and superior/inferior regions. Vertebral body volume was assessed by water displacement after which specimens were compressed to failure to determine their compressive strength. Specimens were then ashed to determine their bone mineral content (BMC). Parameters were compared using ANOVA and linear regression.


H M Challinor P G Hourigan R Powell D Conn

Purpose and Background

This pilot study aimed to determine the accuracy of lumbar spine combined movement (CM) testing for diagnosing facet joint mediated pain, by comparing CM to medial branch blocks (MBB) - the gold standard in the diagnosis of facet joint pain. A regular compression pattern of CM combines active extension and lateral flexion, which is believed to compress the facet joints greater than physiological uni-planar movements.

Method and Results

96 patients attending a pain clinic day case unit for diagnostic MBB were recruited. Patients' pain responses to CMs were measured prior to and thirty minutes following MBB. The effect of weight bearing and recumbence, RMDQ, EQ-5D and MYMOP were also measured. The regular compression CM test had 80% sensitivity (95%CI: 71% to 89%) and 50% specificity (95%CI: 28% to 71%). The regular compression CM group had the largest pre-post VAS difference (median 4 points). The patients whose pain was not relieved in recumbence (n=15) showed a significant VAS difference of 6 points p=0.001). There was a significant positive correlation between the pre and post pain scores, p<0.001. There was no association between MBB response and RMDQ, EQ-5D, MYMOP scores, duration of symptoms or standing as a provoking activity.


S Stynes K Konstantinou KM Dunn M Lewis E Hay

Background

Pain with radiation to the leg is a common presentation in back pain patients. Radiating leg pain is either referred pain or radicular, commonly described as sciatica. Clinically distinguishing between these types of leg pain is recognized as difficult but important for management purposes. The aim of this study was to investigate inter-therapist agreement when diagnosing referred or radicular pain.

Methods

Thirty-six primary care consulters with low back-related leg pain were assessed and diagnosed as referred or radicular leg pain by one of six trained experienced musculoskeletal physiotherapists. Assessments were videoed, excluding any diagnosis discourse, and viewed by a second physiotherapist who made an independent diagnosis. Therapists rated their confidence with diagnosis and reasons for their decision. Data was summarized using percentage agreements and kappa (K) coefficients with two sided 95% confidence intervals (CI).


FE Mellor AC Breen

Background and purpose

Investigating inter-vertebral biomechanics in vivo using end-of-range imaging is difficult due to high intra subject variation, measurement errors and insufficient data. Quantitative fluoroscopy (QF) can reliably measure continuous motion but may suffer from contamination from uncontrolled loading and muscle contraction which compromises comparisons between studies and limits interpretation of results. This study presents the methods used to overcome these limitations.

Methods and results

Forty chronic, non-specific low back pain (CNSLPB) patients and 40 matched controls underwent QF using a passive recumbent protocol which standardised the rate and range of trunk rotation, thus reducing intra-subject variation and excluding loading and muscle contraction factors. Left, right, flexion and extension were recorded from L2-5 and vertebral motion registered using image processing algorithms, Resultant continuous inter-vertebral rotation data were normalised to produce proportional contributions of each segment throughout the trunk bend

The expected continuous proportional contributions at each level and direction were determined by calculating reference intervals (mean +/− 2SD) from controls. Prevalence of patients exceeding these ranges was determined and the association with CNSLBP calculated using Chi-squared analysis.

Additionally the variance of the normalised data throughout the continuous motion for each direction was determined and summed to produce an combined number. This was used to measure the difference between patients and controls and entered into ROC curve analysis to investigate discrimination between patients and controls.


RJ Newsome M Reddington J Boote LM Breakwell N Chiverton ALR Michael AA Cole M Dimairo

Objectives

To investigate the views and experiences of patients with sciatica who have undergone a bespoke physiotherapy programme whilst awaiting primary lumbar microdiscectomy.

Methods

This is a qualitative study, nested within a preliminary RCT. All patients were listed for primary, single-level microdiscectomy surgery. In the experimental arm of the study 29 patients had up to 6 sessions of physiotherapy over an 8 week period while on the waiting list for lumbar microdiscectomy. After surgery, they were invited to participate in an in-depth semi-structured interview. At this time patients had either decided not to have the surgery, or had undergone surgery. Interviews were audio-recorded, transcribed, and thematically analysed. Two researchers were involved in the analysis of the data to ensure the interpretation of the findings was robust, credible and trustworhy.


E Buchanan

Introduction purpose and background

Implicit in the diagnosis of CES is the presence of leg pain with a spectrum of bladder and/or bowel disturbance and/or peri-anal sensory loss. Current research describes the clinical features of patients with radiologically confirmed CES, but the specificity of these features is not known. This study explores the accuracy of patient self reported bladder or bowel dysfunction and numbness of the bottom in individuals presenting with lumbar nerve root pain.

Methods and Results

A retrospective review of patient completed questionnaires, of 281 consecutive patients with leg dominant back pain, presenting to an interface service. 26% of patients reported bottom numbness. 25% reported recent bladder or bowel (B/B) changes. Following a comprehensive assessment including anal tone testing 10 patients were referred to the spinal on-call service. Of these 1 had surgical decompression for radiologically confirmed CES. A review of the hospital records suggests that none of the remaining sample were subsequently admitted for CES within 2 months of the assessment. Individually bottom numbness and recent changes to the B/B had a sensitivity of 1 and a specificity of 0.73. When both numbness of the bottom and changes to B/B are reported the sensitivity was 1 and the specificity was 0.9.


S O'Connor C Lowe G Canby P Lloyd A Al-Kashi A P Moore R Minhas

Background

Evidence-based practice advocates utilising best current research evidence, while reflecting patient preference and clinical expertise in decision making. Successfully incorporating this evidence into practice is a complex process. Based on recommendations of existing guidelines and systematic evidence reviews conducted using the GRADE approach, treatment pathways for common spinal pain disorders were developed.

Aims

The aim of this study was to identify important potential facilitators to the integration of these pathways into routine clinical practice.


U Zehra N Noel-Barker J Marshall MA Adams P Dolan

Introduction

Disc degeneration is often scored using macroscopic and microscopic scoring systems. Although reproducible, these scores may not accurately reflect declining function in a degenerated disc. Accordingly, we compared macroscopic and microscopic degeneration scores with measurements of disc function.

Methods

Thirteen cadaveric motion segments (62–93 yrs) were compressed to 1kN while a pressure-transducer was pulled across the mid-sagittal diameter of the disc. Resulting stress profiles indicated intradiscal pressure (IDP), and maximum stress in the anterior (MaxStress_Ant) and posterior (MaxStress_Post) annulus. Macroscopic grade (1–4) of disc degeneration was based on visual examination of mid-sagittal sections, using subscales that yielded a maximum score of 48. Microscopic grade (1–4) was based on histological sections of the disc + vertebral body taken from anterior annulus, nucleus pulposus and posterior annulus, using subscale scores that totalled 108. Cartilage endplate thickness (CEP_thickness) was measured histologically, and porosity of the bony endplates was measured using micro-CT. ANOVA was used to compare between grades, and regression was used to establish dependence on scores.


MM Sperry ATM Phillips AH McGregor

Statement of Purpose

It is well known that individuals with a history of low back pain (hLBP) exhibit altered movement patterns that are caused by changes in neuromuscular control. Postural disturbance provides an effective method for creating these differentiable movement patterns. This study has explored the response of the lower limb and spine to a translational perturbation similar to that experienced on public transport in healthy volunteers and those with hLBP.

Methods

Healthy volunteers (n=16) and subjects with hLBP (n=10) were subjected to 31 identical postural disturbances at varying time intervals while standing atop a moving platform. Skeletal kinematics and muscle activation were recorded using a 10-camera Vicon system (Oxford, UK) and Myon electromyography (EMG) at the trunk (lumbar, lower thoracic, and upper thoracic segments), pelvis, thigh, calf, and foot. Joint angles were calculated using Body Builder (Vicon) and a unilateral seven-segment custom model.


K C Lee A Khan S Longworth P Sell

Introduction

There has been a recent surge in the interest of the role of vitamin D in chronic musculoskeletal pain however there are limited studies that have investigated the link of vitamin D hypovitaminosis with low back pain. The aim of our study was to determine the prevalence of low vitamin D levels in patients who present with low back pain in an outpatient setting in the UK.

Methods

Data was collected retrospectively from computerised databases of all patients who presented with low back pain from a single spinal consultant's outpatient clinic and have had serum levels of 25-hydroxycholecalciferol (25-OH vitamin D) requested. Data of these patients were collected from hospital electronic and paper records and analysed against their serum 25-OH vitamin D levels.


S Zanjani-Pour C P Winlove C W Smith J R Meakin

Purpose of the study

To incorporate magnetic resonance (MR) image data in a finite element (FE) model to estimate intervertebral disc stress as a function of posture.

Background

Determining the stresses on the intervertebral discs is important for understanding disc degeneration and developing treatment strategies. The effect of different postures on disc stress has previously been investigated through disc pressure measurements and through computational modelling. Kinematic data derived from MR images and used in an FE model may provide a non-invasive way of assessing a wide range of subjects and postures.


Full Access
D Serbic T Pincus

Purpose of the study and background:

Identifying mechanisms that mediate recovery is imperative to improve outcomes in low back pain (LBP). Qualitative studies suggest that guilt may be such a mechanism, but research on this concept is scarce, and reliable instruments to measure pain-related guilt are not available. We addressed this gap by developing and testing a pain-related guilt scale (PGS) for people with LBP.

Summary of the methods used and the results:

Two samples of participants with LBP completed the scale and provided data on rates of depression, anxiety, pain intensity and disability. Three factors were identified using exploratory factor analysis (n=137): ‘Social guilt’ (4 items) relating to letting down family and friends; ‘Managing condition/pain guilt’, (5 items) relating to failing to overcome and control pain; and ‘Verification of pain guilt’, (3 items) relating to the absence of objective evidence and diagnosis. This factor structure was confirmed using confirmatory factor analysis (n=288), demonstrating an adequate to good fit with the data (AGFI= 0.913, RAMSEA= 0.061). The PGS subscales positively correlated with depression, anxiety, pain intensity and disability. After controlling for depression and anxiety the majority of relationships between the PGS subscales and disability and pain intensity remained significant, suggesting that guilt shared unique variance with disability and pain intensity independent of depression and anxiety. High levels of guilt were reported by over 40% of patients.


KJ Murray TP Molyneux MF Azari

Purpose and Background

Leg length discrepancy (LLD) occurs commonly and has been associated with osteoarthritis of the knee and the hip joints. However, the possible association between LLD and degenerative changes in the lumbar spine has not been investigated. Here we correlate the degree of LLD with degenerative changes in the hip joints and the lumbar spine.

Methods and Results

A modification of Friberg's method was used to measure LLD and a novel method was devised to exclude magnification errors in standing radiographs of the lumbopelvic region. 5mm of LLD was considered significant. 75 sets (36 female and 39 male) of radiographs from adult patients presenting to chiropractic teaching clinics were used. Degenerative changes at hip and L4/5 and L5/S1 disc spaces were graded on a 4-point scale. Hip degeneration in men with significant LLD was [mean, 95% confidence interval] [1.35, 1.05–1.66], as opposed to men with no significant LLD [0.31, 0.1–0.53]. Degenerative changes at the L5/S1 spinal level in the group with significant LLD demonstrated values of [1.04, 0.75–1.33], compared to the group without significant LLD with values of [0.41, 0.22–0.61]. The association between LLD and lumbar degeneration was particularly strong in men and also in women at or above the age of 25.


S Carter S Ali M Khatri

Introduction

Both intra- and post-operative radiographs are traditionally obtained after instrumented lumbar spinal surgery; however the clinical advantage of routine post operative images has not been demonstrated.

Aim

To explore the usefulness of routine pre-discharge postoperative radiographs in patients undergoing instrumented spinal surgery.


V Juroskova J Fulford A R Barker J R Meakin

Purpose of the study

To assess the ability of magnetic resonance spectroscopy (MRS) to detect changes in spinal muscle metabolism after a 4-week exercise intervention.

Background

Spinal muscle atrophy is associated with back pain and exercise interventions have been shown to reduce pain and improve function. It is not always clear, however, whether improvements are due to enhanced muscle performance or occur for other reasons (e.g. psychological, neurological). MRS can be used to measure muscle metabolism and could therefore be useful for assessing the mechanisms by which exercise improves function in back pain patients.


A V Pavlova J R Meakin K Cooper R J Barr R M Aspden

Background and Aim

Low back pain is highly prevalent, particularly in manual occupations. We previously showed that the lumbar spine has an intrinsic shape, identifiable in lying, sitting and standing postures, that affects the spine's response to load. Its effects on motion are unknown. Here we investigate whether intrinsic spinal shape is detectable throughout a greater range of postures and its effect on how healthy adults lift a weighted box.

Methods

The lumbar spine was imaged using a positional MRI with participants (n=30) in 6 postures ranging from extension to full flexion. Active shape modelling was used to identify and quantify ‘modes’ of variation in lumbar spine shape. 3D motion capture analysed participants' motion while lifting a box (6–15 kg, self-selected).


P Lama HA Claireaux L Flower IJ Harding∗ P Dolan MA Adams

Introduction

Physical disruption of the extracellular matrix influences the mechanical and chemical environment of intervertebral disc cells. We hypothesise that this can explain degenerative changes such as focal proteoglycan loss, impaired cell-matrix binding, cell clustering, and increased activity of matrix-degrading enzymes.

Methods

Disc tissue samples were removed surgically from 11 patients (aged 34–75 yrs) who had a painful but non-herniated disc. Each sample was divided into a pair of specimens (approximately 5mm3), which were cultured at 37°C under 5% CO2. One of each pair was allowed to swell, while the other was restrained by a perspex ring. Live-cell imaging was performed with a wide field microscope for 36 hrs. Specimens were then sectioned at 5 and 30 μm for histology and immunofluorescence using a confocal microscope. Antibodies were used to recognise free integrin receptor α5β1, matrix metalloprotease MMP-1, and denatured collagen types I-III. Proteoglycan content of the medium, analysed using the colorimetric DMMB assay, was used to assess tissue swelling and GAG loss. Constrained/unconstrained results were compared using matched-pair t-tests.


P Lama IJ Harding∗ P Dolan MA Adams

Introduction

Herniated disc tissue removed at surgery is mostly nucleus pulposus, with varying proportions of annulus fibrosus, cartilage endplate, and bone. Herniated nucleus swells and loses proteoglycans, and herniated annulus is invaded by blood vessels and inflammatory cells. However, little is known about the significance of endplate cartilage and bone within a herniation.

Methods

Herniated tissue was removed surgically from 21 patients (10 with sciatica, 11 without). 5-μm sections were examined using H&E, Toluidine blue, Giemsa, and Masson-trichrome stains. Each tissue type in each specimen was scored for tears/fissures, neovascularisation, proteoglycan loss, cell clustering, and inflammatory cell invasion. Proportions of each tissue type were quantified using image analysis software.


M Grotle T Solberg K Storheim E Laerum JA Zwart

Purpose

To investigate sociodemographic and clinical characteristics in patients operated for lumbar disc herniation in public and private hospitals, and evaluate whether selection for surgical treatment were different across the two settings.

Methods and results

A cross-sectional multicenter study of patients who underwent a total of 5308 elective surgeries for lumbar disc herniation at 41 hospitals. Data were included in the Norwegian Registry for Spine Surgery (NORspine). Of 5308 elective surgical procedures, 3628 were performed at 31 public hospitals and 1680 at 10 private clinics. Patients in the private clinics were slightly younger, more likely to be man, have higher level of education, and more likely to be employed. The proportions of disability and retirement pension were more than double in public as compared to private hospitals. Patients operated in public hospitals were older, had more obesity and co-morbidity, lower educational level, longer duration of symptoms, and sick leave and were less likely to return to work. Patients operated in public hospitals reported more disability and pain, poorer HRQol and general health status than those operated in private clinics. The differences were consistent but small and could not be attributed to less strict indications for surgical treatment in private clinics.


AF Mannion FS Kleinstück D Jeszenszky F Porchet D Haschtmann TF Fekete

Purpose

A new approach to the reporting of health outcomes involves assessing the proportion of patients achieving a level of symptoms that they feel they could live with. We evaluated the acceptable level of pain in patients after surgery for lumbar disc herniation (LDH).

Methods

12 mo after first-time surgery for LDH, patients completed 0–10 scales for back pain and leg pain and a question: “if you had to spend the rest of your life with the symptoms you have now, how would feel about it?,” answered on a 5-point Likert scale from “very satisfied” to “very dissatisfied”. This was dichotomised and used as the external criterion in receiver operating characteristics (ROC) analysis to derive the cut-off score for pain that best indicated being at least “somewhat satisfied” with the symptom state.


S Patel SW Hee Y Yang A Ngunjiri S Brown T Friede F Griffiths J Lord H Sandhu J Thistlethwaite C Tysall M Woolvine M Underwood

Background

The available treatments for NSLBP (Non-Specific Low Back Pain) provide, typically, small to moderate average benefits to patients. The aim of this pilot cluster RCT was to test the hypothesis that the use of a patient decision aid together with an informed shared decision making consultation would produce better outcomes in satisfaction with treatment at four month follow-up.

Methods

We developed a DSP (Decision Support Package). We randomised the physiotherapists and trained those in the intervention arm in informed shared decision making and communication. Participants were recruited from a local physiotherapy department and those allocated to an appointment with an intervention therapist were sent a copy of the DSP in the post. Participants then attended their appointment as usual.


LE Jones LC Roberts PS Little RA Wiles MA Mullee JA Cleland C Cooper

Purpose of the Study and Background

With a strong political agenda for change towards patient-centred healthcare, the notion of shared decision-making is reported to substantially improve patient experience, adherence to treatment and health outcomes. In clinical practice however, observational studies have shown shared decision-making is rarely implemented and patient preferences are seldom met.

The aim of this study was to measure the extent of shared decision-making in clinical encounters involving physiotherapists and patients with low back pain.

Methods and Results

Eighty outpatient encounters (from 12 clinicians) were observed, audio-recorded, transcribed verbatim and analysed using the OPTION instrument. This measures 12 decision-making items, rated on a scale 0–4, which are summated and scaled to give a percentage: The higher the score, the greater the shared decision-making competency.

The mean OPTION score was 24.0% (range 10.4%–43.8%). Providing patients with a list of treatment options was the only behaviour exhibited by every clinician, however in 73.8%, this was not demonstrated beyond a perfunctory level. Failure to offer the choice of doing nothing, or deferring the decision precluded clinicians from attaining a higher OPTION score.


WCH Jacobs WC Peul SM Rubinstein BW Koes MW van Tulder

Purposes of the study and background

The objective of this overview was to evaluate the available evidence from systematic reviews on the effectiveness of surgical interventions for sciatica due to disc herniation. The last search was conducted in 2011. Since then new reviews have been published or existing reviews have been updated.

Summary of the methods used and results

A comprehensive search was performed in multiple databases including Cochrane database of systematic reviews (CDSR), Database of Reviews of Effectiveness (DARE) and Pubmed. Included are Cochrane and non-Cochrane systematic reviews on sciatica due to disc herniation published in peer-reviewed journals. We evaluated surgery versus conservative care and different surgical techniques compared to one another. The methodological quality of the systematic reviews was evaluated using AMSTAR by two independent reviewers. Nine, mostly high quality, systematic reviews on surgical interventions for disc herniation were included. Four reviews compared surgery with conservative treatment and concluded consistently that surgery has only short term benefits while the long term results showed no difference in effect. Four reviews compared open discectomy with micro(endo)scopic discectomy and found no significant and/or clinically relevant differences. The quality of evidence on alternative minimal invasive techniques (laser discectomy, automated percutaneous discectomy, and nucleoplasty or coblation) is consistently low in four recent reviews.


K C Lee S Patel P Sell

Introduction

Yellow flags are psychosocial indicators which are associated with a greater likelihood of progression to persistent pain and disability and are referred to as obstacles to recovery. It is not known how effective clinicians are in detecting them. Our objective was to determine if clinicians were able to detect them in secondary care.

Methods

111 new referrals in a specialist spine clinic completed the Oswestry Disability Index (ODI) and a range of other validated questionnaires including the yellow flag questionnaire adapted from the psychosocial flags framework. Clinicians blinded to the patient data completed a standardized form to determine which and how many yellow flags they had identified.


C Lonsdale A Hall G C Williams S M McDonough N Ntoumanis A Murray D A Hurley

Purpose of the study and background

Physical activity and exercise therapy are among the guideline recommendations for the rehabilitation of people with chronic low back pain (CLBP ≥ 3 months); however, patient adherence is often poor. CONNECT is a theory-based communication skills training programme designed to enhance physiotherapists' support of their CLBP patients' psychological needs in order to increase adherence to their home-based rehabilitation programme.

Methods and results

The CONNECT trial [Current Controlled Trials ISRCTN63723433] included six Dublin-area public clinics and their physiotherapists (n = 24) who received eight hours of communication skills training from a psychologist [experimental group] and physiotherapists (n = 26) from six equivalent clinics who formed a treatment as usual pragmatic control condition. New patients (n = 255, 54% female) diagnosed with CLBP and receiving physiotherapy at one of these clinics completed ratings of home-based adherence at 1, 4, 12, and 24 weeks after their initial treatment session; 24 weeks was the primary endpoint. Due to the nature of the intervention, physiotherapists were aware of treatment allocation; patients and assessors were blinded. Intention to treat analysis using a linear mixed model approach indicated that patients in the experimental group rated their home-based adherence significantly higher than patients in the control condition across time-points (P = .01), but the difference was not significant at the 24-week follow-up (P > .05).


SA Mesner NE Foster S French

Background

Recommendations in clinical practice guidelines for non-specific low back pain (NSLBP) are not necessarily translated into practice. Multiple research studies have investigated different strategies to implement best evidence into practice yet no synthesis of these studies is available.

Objectives

To systematically review available studies to determine whether implementation efforts in this field have been successful; to identify which strategies have been most successful in changing healthcare practitioner behaviours and patient outcomes.


RJ Newsome M Reddington LM Breakwell N Chiverton AA Cole ALR Michael J Boote M Dimairo

Purpose of study and background

The primary aim of the study was to test the feasibility of conducting a full RCT with economic analysis and help to inform the provision of physiotherapy in a specific sub-group of patients with sciatica

Methods

60 patients waiting for primary, unilateral, single level, lumbar micro-discectomy surgery were recruited and randomised into two groups. The intervention group received a new spinal physiotherapy regimen. Primary outcome measure was the number of patients who did not require surgery at the time of consent clinic. Secondary measures were the Visual Analogue Scale (VAS) Oswestry Disability Index (ODI) and EQ5DL, taken at recruitment, 1 week before surgery and 2 weeks and 3 months after surgery.


ML van Hooff JK O'Dowd M Spruit M de Kleuver J Fairbank J van Limbeek

Background

Combined physical and psychological (CPP) programmes are widely recommended for Chronic Low Back Pain (CLBP) patients, but not often implemented. Patients with longstanding CLBP participating in a two-week CPP programme improve in functional status and quality of life and this is maintained at two-year follow up. One-year follow-up data is available of 955 participants.

Purpose:

Evaluation of one-year follow-up outcomes of a large cohort (n=848) compared to previously published results of the first 107 patients.


T Morris S W Hee N Stallard M Underwood S Patel

Background

We have developed a LBP (low back pain) repository with IPD (individual patient data) from therapist-delivered intervention RCT's from various institutions, nationally and internationally (19 trials, 9328 patients). We will perform IPD meta-analyses to identify and determine the most effective and cost-effective treatments for subgroups of patients. Disability due to LBP is a key outcome of interest. However, there was no common disability measurement that was used in all the RCT's. We report here our assessment as to whether different disability measures are sufficiently comparable to allow pooling across trials.

Method

We used data from seven trials (n = 5015 patients) that had at least two of the following measurements: RMDQ (Roland Morris Disability Questionnaire), MVK (Modified Von Korff disability score), physical component scale of SF-12/36, Patient Specific Functional Scale, and Hannover Functional Ability Questionnaire. Within each trial, the change score between baseline and short-term follow-up was computed. These change scores were then converted from one outcome measure to another with linear regression and ridge-reroughed linear models. They were also tested for correlation and responsiveness (the ability to detect changes in condition, measured by standardised response means).


M. Underwood P Sutcliffe M Connock D Shyangdan R Court K Ngianga-Bakwin A Clarke

Study Purpose

To review systematically review literature on the early diagnosis of spinal metastases and prediction of spinal cord compression (SCC) due to spinal metastases

Methods and results

From 13 electronic bibliographic databases were searched we identified 2,425 potentially relevant articles of which 31 met the inclusion criteria. These were quality appraised. Seventeen studies reported retrospective data, 10 were prospective studies, and three were other study designs. There was one systematic review. There were no randomised controlled trials. There were approximately 7,900 participants in the included studies and 5,782 participants were analysed. The sample sizes ranged from 41 to 859. Cancers reported were: lung alone (n=3); prostate alone (n=6); breast alone (n=7); mixed cancers (n=13); and unclear (n=1). Ninety-three prognostic factors were identified as potentially significant in predicting risk of SCC or collapse. Many of the included studies provided limited information about patient population and selection criteria and they varied in methodological quality, rigour and transparency. Several studies with mixed case populations identified type of cancer (e.g. breast, lung or prostate cancer) as a significant factor in predicting SCC, but determining the risk differential is difficult because of residual bias in studies. Overall the quality of the research was poor. The only predictors identified for SCC were number of spinal metastases, duration of disease, total disease burden and immediate symptomatology of cord involvement.


F Brooks MJH McCarthy

Introduction

Patient reported outcome measures (PROMs) and psychological aspects of spinal conditions play an important role in its management. Disability benefit in the social welfare system is being closely scrutinized. The PHQ9 and GAD7 are used widely in general practice to aid assessment of depression and anxiety/somatization. To date, their use in the spinal surgery out patient setting has not been assessed.

Materials and Method

Over a one-year period the senior author saw 516 new patients. Each patient completed a standard spinal assessment questionnaire consisting of several demographic/aetiological questions and PROMs (VAS back, VAS leg, ODI/NDI, PHQ9 and GAD7). An analysis of these scores was performed.


C Gardner C Davies V Tandon R Smith

Introduction

Decompression is the gold standard surgical technique in patients with symptomatic spinal stenosis not responding to conservative management. We present an audit of outcomes in a population of patients undergoing this procedure over a four year period.

Method

All patients undergoing lumbar decompression were assessed preoperatively and between 4 and 12 months postoperatively using the Oswestry Disabilty Index (ODI %), pain scale (0–10) and patient satisfaction. The patient's age, the number of levels decompressed and the incidence of complications were recorded.


CC Newton G Singh PJ Watson

Purpose and Background

Traditional physiotherapy methods utilised in the management of NSCLBP have small effects on pain and disability and this is reflected by data previously collected by the host physiotherapy service. O'Sullivan has validated a novel classification system and matching treatment strategy known as Classification Based–Cognitive Functional Therapy (CB-CFT) for people with NSCLBP. Briefly, CB-CFT is a behavioural and functional management approach to NSCLBP. A recent RCT employing CB-CFT has demonstrated superior outcomes in comparison to traditional physiotherapy methods advocated by clinical practice guidelines. It was unknown if CB-CFT improved outcomes for people with NSCLBP attending an NHS physiotherapy service, therefore an evaluation of practice was proposed.

Methods and Results

People referred to physiotherapy with NSCLBP were assessed and treated by a physiotherapist trained in the delivery of CB-CFT. Primary outcomes of interest included the Oswestry Disability Index (ODI) and Numerical Pain Rating Scale (NPRS). A retrospective evaluation was performed for sixty-one people referred to physiotherapy with NSCLBP. Statistically significant improvements in disability (ODI p<0.001) and pain (NPRS p<0.001) were demonstrated. 88% of people achieved minimum clinically important change, defined as >10 points for the ODI and 75% of people achieved minimum clinically important change, defined as >2 on NPRS. Mean improvement of 24.7 points for the ODI and 3.0 for NPRS was observed immediately following CB-CFT, demonstrating large effect sizes of 1.56 and 1.21 respectively.


L. Sheeran R. Hemming V. Sparkes

Background

CB-CFT targeting specific pain provoking posture/movements in NSCLBP patients was shown more beneficial than current best practice. Resources for such interventions are substantial and so modifications for today's NHS are warranted. This study investigated feasibility and effect of CB-CFT delivered in a group setting (CB-CFT/G).

Methods

Twenty three patients referred to Physiotherapy with NSCLBP undertook (i) 6 week CB-CFT/G(n=13) or (ii) current best practice (C)(n=10). Outcomes: Oswestry Disability Questionnaire (ODQ), pain (VAS), fear avoidance (Tampa Scale of Kinaesiophobia;TSK), physical activity (International Physical Activity Questionnaire;IPAQ), distress&risk assessment (DRAM), StarTBack and satisfaction. Unpaired t-tests assessed between-group difference in mean change of each outcome (p<0.05).


J Matthews AM Hall C Lonsdale M Hernon A Murray I Taylor B Jackson J Toner S Guerin D A Hurley

Purpose of the study and background

The CONNECT trial evaluated a theory-based intervention to increase low back pain patients' adherence to treatment recommendations through physiotherapists' communication behaviour. Bridging the gap between evidence and evidence-based practice, we aimed to develop an implementation intervention to support physiotherapists in translating the CONNECT communication training into practice.

Methods and results

A systematic approach was used to develop this intervention. 1. Focus groups underpinned by the Theoretical Domains Framework were conducted to assess CONNECT trained physiotherapists' (n = 9) perceptions of the barriers and enablers to implementing these strategies in practice; the results of which yielded four main domains; two related to factors outside the individual (i.e. social influences and environmental resources), and two related to individuals' motivation and capabilities (i.e. self –efficacy and behavioural regulation). 2. Intervention components (i.e., behavior change techniques (BCT) and mode of delivery) were chosen. BCTs were mapped to the identified domains (e.g., the BCT of self-monitoring mapped to the self-efficacy domain) and audit and feedback focused coaching was selected as the main mode of delivery based on empirical evidence and feasibility. 3. Outcome measures were selected to evaluate the proposed changes in physiotherapist practice (i.e., Health Care Climate Questionnaire). This intervention was trialed with physiotherapists (n = 2) using a case-study design. Results from patient consultation audio-recordings and follow-up interviews revealed this intervention supported the translation of evidence-based training into practice and is considered feasible and acceptable to physiotherapists.


CS Dunderdale FH Jones J Billington M Khatri

Introduction

Spinal conditions commonly cause pain and disability. Various non-operative treatments including acupuncture are practiced for these conditions.

Aim

To evaluate the effectiveness of acupuncture in management of common spinal conditions.


V Sparkes M Lee R Mearing B O'Rourke

Purpose

To determine the effect of leg dominance on trunk muscle activity during bridging exercises on the floor and a gym ball.

Background

Perturbation training including bridging exercises and unstable surfaces have been shown to increase trunk activity. Trunk muscle activity increases on the contralateral side to the stabilising leg during bridging, however, no studies exist on the effect of leg dominance on trunk muscle activity during bridging exercises. This study will investigate whether trunk muscle activity differs when stabilising on the dominant versus non-dominant leg.


K Payne A Chohan J Selfe J Richards

Background

Back Pain is a worldwide problem that often interferes with work, daily activities and sleep. The stress and disability experienced at night by individuals with Low Back Pain (LBP) could be reduced by targeted treatments designed specifically for this period. This study aimed to assess the clinical effectiveness of a spinal alignment cushion in the management of LBP when compared to a control group of standardised care.

Methods & Results

71 individuals (30 males, 41 females) with LBP were recruited to the 4-week intervention after screening using the Red Flags and STarT Back tools. Participants were randomly assigned to either the control (standardised care) or intervention group (standardised care plus spinal alignment cushion). Pre and post assessments were taken using the Roland Morris Disability Questionnaire (RMDQ) (0–24), the Core Outcomes Measure Index (COMI) (0–10), and a Pain and Comfort during Sleep VAS Assessment. Each post assessment was analysed using ANCOVA with corresponding pre-assessment as covariate.

Significant differences were seen in the RMDQ in favour of the intervention group (P = 0.034) over the four week period. Significant differences were also seen in favour of the intervention group in the COMI score (P=0.008), the frequency (P=0.004) and intensity of back pain (P=0.000), joint/muscle stiffness (P=0.046) and intensity of back stiffness (P=0.022).


N Harland C Ryan

Background

Phone based Physiotherapy is a topical area of investigation. Salisbury, (2013) states it may be as effective as usual care. It is also suggested that satisfaction is similar, but more specific attitudes have not been investigated. This study aims to retrospectively investigate the attitudes of PD vs usual care patients and to identify any differences in the attitudes of spine pain vs peripheral pain patients.

Methods and Results

Questionnaires including 6 attitude questions (3 negatively, 3 positively worded) scored between 0–10 were completed by 197 physiotherapy patients discharged between 6 and 12 months previously. n=99 had received usual care, n=19 only PD care and n=79 both PD and usual care. N=61 had been treated for back or neck pain and n=136 had peripheral pain.

Overall patients who had received some PD care were more likely to strongly agree (score 8–10) with the positive statements and strongly disagree (score 0–2) with the negative ones than patients who had not had some PD care.

Spine patients who had never had PD were more likely to strongly agree with the negative statements than non-spines, but this was only the case with 1-in-3 negative statements in spine patients who had received PD.

Compared to spine pain patients who had never had PD care, spine patients who had received PD were far more likely to strongly disagree with negative statements about PD than non-spine patients. Multiple other interesting trends exist.


NA Shostak NG Pravdyuk AA Muradyants MR Atabegashvili VS Sidorenkova

Background

Back pain (BP) is a serious problem not only for the elderly, but also young. The non-radiation methods are taking the special relevance in the screening assessment of BP.

Objective

To estimate the frequency of occurrence of the BP in young adults and its relation to the functional state of the spine.


WCH Jacobs

Purposes of the study and background

The care and cure of patients with low back disorders is of a multidisciplinary nature. Cooperation and communication between the disciplines would improve standardized care delivery to the patient. We engaged to establish a national group of multidisciplinary spine specialists to promote research and education in the field of spinal disorders.

Summary of the methods used and results

A multidisciplinary group of spine professionals, opinion leaders and research leaders in spinal disorders in the Netherlands were invited to participate in a national network (“Netwerk Wervelkolomaandoeningen”). The group consists of physiotherapists, family physicians, neurosurgeons, orthopedic surgeons, anesthesiologists, as well as clinical researchers and epidemiologists. Group meetings were organized in various locations in the country. Priorities were set and divided in research and education. Communication lines were established with a resource website and a linked-in page. The first educational series of symposia for primary care professionals on multidisciplinary approaches for disc herniation and spinal stenosis is being organized in different regions in the Netherlands. The first meetings on research initiatives are being held on an idea-driven basis.


A Chohan H Roddam S Deakins S Islam J Selfe

Background

Recent studies show massage is effective in reducing back pain and heat and warmth during massage increases an individual's sense of wellbeing. The Ceragem V3 automatic thermal massage bed utilises principles of thermal massage to provide a therapeutic tool for individuals with conditions including diabetes and back pain. Though the brand is well known globally and has much anecdotal evidence, little research has been done on what effect the bed has on individuals with back pain. This study aims to assess subjective experience and function of participants with back pain when using the Ceragem V3.

Methods & Results

Thirty-two participants (aged 35.2±9.9 years) with back pain (including sciatica) were recruited after screening using the Red Flags and STarT Back tools. The intervention comprised nine treatment sessions over three successive weeks using an automated thermal massage bed (Ceragem V3, Korea) in automatic mode. Body charts, Patient Reported Outcome Measures (PROM) and the Roland Morris Disability Questionnaire (RMDQ) were used to measure participant pain, stiffness, discomfort and disability levels pre and post intervention.

Body chart analysis for pain location showed a significant reduction in reported pain in the thoracic and lumbosacral regions (p<0.01). PROMs showed a significant reduction in the number of days back pain was experienced (p<0.000) and clinically important reductions in back pain, stiffness and discomfort (p<0.000). There was also a significant reduction in RMDQ score (p=0.000).


H Abbey L Nanke

Background

A proportion of patients with low back pain fail to respond to conventional medicine, physical therapy or surgery. Neurophysiological changes occur in chronic pain and research shows that Mindfulness and ‘3rd wave’ Cognitive Behavioural Therapy can help patients with long-term musculoskeletal conditions to live more actively, despite pain. This paper describes the development of the three year ‘OsteoMAP’ project (Osteopathy, Mindfulness and Acceptance Programme) to expand the scope of primary care by integrating these psycho-educational interventions into osteopathic practice.

Methods

A before and after design is being used. Patients with disabling pain for more than six months attend a course of six, individual, one hour sessions, integrating mindfulness and acceptance-based exercises with manual therapy. Questionnaire data collected at the course start and after six months, analysed by an independent group, includes pain-related behaviour (Bournemouth Questionnaire), quality of life (EQ5D), self-efficacy (PSEQ) and mindfulness (MAAS).


A Al-Kaisy D Pang

Introduction

Percutaneous radiofrequency lesioning of the lateral branches of the sacroiliac joint has become a recognised method of treating chronic pain arising from this joint. Due to the large and varied innervation from the S1-3 lateral branches success has been achieved with large lesions that has a high chance of covering these nerves. Such lesions require specialised and expensive equipment and the NIMBUS needle is a large 17G electrode with expandable tines at the tip. It is compatible with all standard radiofrequency probes and it produces a large lesion at the tip. It has been in use in the USA in over 100 cases and we describe its use in the UK

Methods

Patients were identified as having sacroiliac joint pain by clinical assessment and positive pain response to local anaesthetic sacroiliac joint lateral branch blocks.

Under fluoroscopic control, the needle is inserted at the lateral edge of the sacral S1-3 posterior foramen. Three lesions at the lateral edge of the foramen are made at 80°C for 90s. A further lesion is made at the L5 dorsal ramus.