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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_6 | Pages 5 - 5
1 Apr 2014
Tsang K Hamad A Jasani V Ahmed E
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Introduction:. Shoulder balance after surgery is one main attribute of the cosmetic outcome. It has been difficult to assess on 2D images. The balance results from the interaction of rib cage, shoulder joint and scapular positions, spinal alignment and rotation, muscle size and co-ordination and pain interaction. Attempts have been made to predict shoulder balance from radiograph measurements. There is no consensus on this. Attempt:. To assess whether T1 tilt has any relation to final shoulder balance after surgery. Method:. Retrospective review of radiographs of adolescent idiopathic scoliosis patients from 2009 to 2012. 61 identified with average age of 17 and follow up of 24 months. T1 tilt is measured pre-op, immediately post-op and at the latest follow up. Radiographic shoulder balance based on soft tissue shadow is assessed at the same interval. The balance is based on eyeballed perception, which is what patients do normally. Results:. The average T1 tilt is 3.6° pre-op (−11° to 12°), changing to −2.4° (−14° to 8.2°) immediately post op and to −3.5° (−9.3° to 0.7°) at the latest follow up. The proportion of balanced shoulder improved from 14% pre-op to 14% immediately post op and to 65% at final follow up. No relation of pre-op T1 tilt and the final shoulder balance can be found. Discussion:. Shoulder balance is a dynamic feature. Patients can regain shoulder balance given time. We cannot tell whether this is due to their adaptive process or rotational movement of the spinal construct over time here. Conflict Of Interest Statement: No conflict of interest


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_10 | Pages 19 - 19
1 Oct 2019
Hill J Tooth S Cooper V Chen Y Lewis M Wathall S Saunders B Bartlam B Protheroe J Chudyk A Dunn K Foster N
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Background and aims. The Keele STarT Back approach is effective for stratifying patients with low back pain in primary care, but a similar approach has not been tested with a broader range of patients with musculoskeletal (MSK) pain. We report a feasibility and pilot trial examining the feasibility of a future main trial of a primary care based, risk-stratification (STarT MSK) approach for patients with back, neck, knee, shoulder or multi-site pain. Methods. A pragmatic, two-parallel arm, cluster randomised controlled trial (RCT) in 8 GP practices (4 stratified care involving use of the Keele STarT MSK tool and matched treatment options: 4 usual care). Following screening, adults with one of the five most common MSK pain presentations were invited to take part in data collection over 6 months. Feasibility outcomes included exploration of selection bias, recruitment and follow-up rates, clinician engagement with using the Keele STarT MSK tool and matching patients to treatments. Results. 524 participants (231-stratified care, 293-usual care) were recruited (target n=500) over 7 months (target 3 months), with 15-withdrawals (5-intervention, 10-controls). Minimal selection bias was identified between participants/non-participants, or trial arms. The pain-intensity follow-up rate was 88%. Clinicians used the STarT MSK tool in 41% of relevant consultations (judged as ‘partial success’) and adhered to recommended matched treatments in 69% of cases (judged as ‘success’). Conclusions. A future main RCT is feasible, with some amendments in the wording of the tool and the matched treatment options, to determine the clinical and cost-effectiveness of stratified care versus usual care for patients with MSK pain. Conflicts of interest: ‘No conflicts of interest’. Sources of Funding: This paper presents independent research funded by the National Institute for Health Research (NIHR) under its Programme Grants for Applied Research scheme (grant number: RP-PG-1211-20010). Nadine Foster is a NIHR Senior Investigator and was supported through an NIHR Research Professorship (NIHR-RP-011-015). The views expressed in this publication are those of the authors and not necessarily those of the NHS, the NIHR or the Department of Health and Social Care


Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_15 | Pages 14 - 14
7 Aug 2024
Suri P Kazemi-Naini M Freidin M Tsepilov Y Elgaeva E Granville-Smith I Compte R Williams F
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Background. The association between lumbar intervertebral disc degeneration (LDD) and low back pain (LBP) is modest. We have recently shown that genetic propensity to pain is an effect modifier of the LDD-LBP relationship when LDD is defined as a summary score of LDD (LSUM), suggesting the association may be driven by individuals with the greatest genetic predisposition to pain. This study examined the association between individual spine magnetic resonance imaging (MRI)-determined LDD features and LBP in subgroups defined by genetic predisposition to pain. Method. We developed a polygenic risk score (PRS) for “genetic propensity to pain” defined as the number of non-back pain locations (head, face, neck/shoulder, stomach/abdomen, hip, and knee) with duration ≥3 months in 377,538 UK Biobank participants of European ancestry. This PRS was used to stratify TwinsUK MRI samples (n=645) into four strata of genetic propensity to pain. We examined the association between LBP and MRI features of lumbar disc height, disc signal intensity, disc bulge, and osteophytes with adjustments for age, sex, PRS strata, interaction terms for each MRI feature x PRS strata, and twin status. Results. We found significant effect modification of the LDD-LBP relationship by genetic propensity to pain for the lumbar MRI features of disc height (p=0.03 for the interaction term with highest quartile of genetically-predicted propensity to pain) and disc signal intensity (p=0.001), but not for disc bulge and osteophytes. Conclusion. Genetic propensity to pain modifies the association between individual LDD features and LBP and should be considered in LBP clinical studies. Conflicts of interest. No conflicts of interest. Sources of funding. No funding obtained. Acknowledgement. UKBB data were obtained under the project #18219. This paper is submitted to the Spine journal and is under review


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_11 | Pages 5 - 5
1 Sep 2021
Raza M Sturt P Fragkakis A Ajayi B Lupu C Bishop T Bernard J Abdelhamid M Minhas P Lui D
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Introduction. Tomita En-bloc spondylectomy (TES) of L5 is one of the most challenging spinal surgical techniques. A 42-year-old female was referred with low back pain and L5 radiculopathy with background of right shoulder excision of liposarcoma. CT-PET confirmed a solitary L5 oligometastasis. MRI showed thecal sac indentation and therefore was not suitable for stereotactic ablative radiotherapy (SABR) alone. Planning Methodology. First Stage: Carbon fibre pedicle screws were planned from L2 to S2AI-Pelvis, aligned to her patient-specific rods. Custom 3D-printed navigation guides were used to overcome challenging limitations of carbon instruments. Radiofrequency ablation (RFA) of L5 pedicles prior to osteotomy was performed to prevent sarcoma cell seeding. Microscope-assisted thecal sac-tumour separation and L5 nerve root dissection was performed. Novel surgical navigation of the ultrasonic bone cutter assisted inferior L4 and superior S1 endplate osteotomies. Second stage: We performed a vascular-assisted retroperitoneal approach to L4-S1 with protection of the great vessels. Completion of osteotomies at L4 and S1 to en-bloc L5: (L4 inferior endplate, L4/5 disc, L5 body, L5/S1 disc and S1 superior endplate). Anterior reconstruction used an expandable PEEK cage obviating the need for a third posterior stage. Reinforced with a patient-specific carbon plate L4-S1 promontory. Sacrifice of left L5 nerve root undertaken. Results. Patient rehabilitated well and was discharged after 42 days. Patient underwent SABR two months post-operatively. Despite left foot drop, she was walking independently 9 months post-operatively. Conclusion. These challenging cases require a truly multi-disciplinary team approach. We share this technique for a dual stage TES and metal-free construct with post adjuvant SABR for maximum local control


The Bone & Joint Journal
Vol. 102-B, Issue 11 | Pages 1560 - 1566
2 Nov 2020
Mehdian H Haddad S Pasku D Nasto LA

Aims. To report the mid-term results of a modified self-growing rod (SGR) technique for the treatment of idiopathic and neuromuscular early-onset scoliosis (EOS). Methods. We carried out a retrospective analysis of 16 consecutive patients with EOS treated with an SGR construct at a single hospital between September 2008 and December 2014. General demographics and deformity variables (i.e. major Cobb angle, T1 to T12 length, T1 to S1 length, pelvic obliquity, shoulder obliquity, and C7 plumb line) were recorded preoperatively, and postoperatively at yearly follow-up. Complications and revision procedures were also recorded. Only patients with a minimum follow-up of five years after surgery were included. Results. A total of 16 patients were included. Six patients had an idiopathic EOS while ten patients had a neuromuscular or syndromic EOS (seven spinal muscular atrophy (SMA) and three with cerebral palsy or a syndrome). Their mean ages at surgery were 7.1 years (SD 2.2) and 13.3 years (SD 2.6) respectively at final follow-up. The mean preoperative Cobb angle of the major curve was 66.1° (SD 8.5°) and had improved to 25.5° (SD 9.9°) at final follow-up. The T1 to S1 length increased from 289.7 mm (SD 24.9) before surgery to 330.6 mm (SD 30.4) immediately after surgery. The mean T1 to S1 and T1 to T12 growth after surgery were 64.1 mm (SD 19.9) and 47.4 mm (SD 18.8), respectively, thus accounting for a mean T1 to S1 and T1 to T12 spinal growth after surgery of 10.5 mm/year (SD 3.7) and 7.8 mm/year (SD 3.3), respectively. A total of six patients (five idiopathic EOS, one cerebral palsy EOS) had broken rods during their growth spurt but were uneventfully revised with a fusion procedure. No other complications were noted. Conclusion. Our data show that SGR is a safe and effective technique for the treatment of EOS in nonambulatory hypotonic patients with a neuromuscular condition. Significant spinal growth can be expected after surgery and is comparable to other published techniques for EOS. While satisfactory correction of the deformity can be achieved and maintained with this technique, a high rate of rod breakage was seen in patients with an idiopathic or cerebral palsy EOS. Cite this article: Bone Joint J 2020;102-B(11):1560–1566


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_11 | Pages 12 - 12
1 Sep 2021
Rose L Williams R Al-Ahmed S Fenner C Fragkakis A Lupu C Ajayi B Bernard J Bishop T Papadakos N Lui DF
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Background. The advent of EOS imaging has offered clinicians the opportunity to image the whole skeleton in the anatomical standing position with a smaller radiation dose than standard spine roentgenograms. It is known as the fifth modality of imaging. Current NICE guidelines do not recommend EOS scans over x-rays citing: “The evidence indicated insufficient patient benefit in terms of radiation dose reduction and increased throughput to justify its cost”. Methods. We retrospectively reviewed 103 adult and 103 paediatric EOS scans of standing whole spines including shoulders and pelvis for those undergoing investigation for spinal deformity in a tertiary spinal centre in the UK. We matched this against a retrospective control group of 103 adults and 103 children who underwent traditional roentgenograms whole spine imaging at the same centre during the same timeframe. We aimed to compare the average radiation dose of AP and lateral images between the two modalities. We utilised a validated lifetime risk of cancer calculator (. www.xrayrisk.com. ) to estimate the additional mean risk per study. Results. In the Adult EOS Group (AEG) the mean estimated effective dose of AP was 0.08 mSv (0.04–0.15) and Lateral 0.06 mSv (0.03–0.14). Conversely in the Adult Roentgenograms Group (ARG) the mean AP was 0.49 mSv (0.15–1.88) and Lateral was 0.29 mSv (0.07–1.20). In the Paediatric EOS Group (PEG): the mean dose of AP was 0.07 mSv (0.02–0.21) and Lateral 0.04 mSv (0.02–0.11). Conversely Paediatric Roentgenograms Group (PRG) had a mean dose in AP of 0.37 mSv (0.03–5.92) and in lateral of 0.17 mSv (0.03–0.44). The percentage differences were: ARG:AES AP 613%, ARG:AES Lat 483%, PPG:PEG AP 529%, PRG:PEG Lat 425%. Mean difference 513%. The additional lifetime cancer risk for AEG was 1 in 176056 for males and 1 in 138696 for females, compared to ARG 1 in 31596 for males and 1 in 24894 for females. In PEG that was 1 in 58207 for boys and 1 in 33367 for girls, compared to PRG 1 in 11860 for boys and 1 in 6797 in girls. Differences in additional lifetime risk of cancer per scan: ARG:AES Male 557%, Female 557%, PRG:PEG Male 491%, Females 491%. Conclusion. Standard plain film imaging of the whole spine requires approximately five-times higher doses of radiation compared to dual planar EOS scans. This carries a significant impact when considering the need for repeat imaging on additional lifetime malignancy risk in both children and adults. There is approximately 5-fold increase in risk of cancer for all groups with roentgenograms over EOS. We directly challenge the NICE guidance and recommend EOS dual planar imaging in favour of plane roentgenograms for investigation of spinal deformity


The Bone & Joint Journal
Vol. 105-B, Issue 4 | Pages 431 - 438
15 Mar 2023
Vendeuvre T Tabard-Fougère A Armand S Dayer R

Aims

This study aimed to evaluate rasterstereography of the spine as a diagnostic test for adolescent idiopathic soliosis (AIS), and to compare its results with those obtained using a scoliometer.

Methods

Adolescents suspected of AIS and scheduled for radiographs were included. Rasterstereographic scoliosis angle (SA), maximal vertebral surface rotation (ROT), and angle of trunk rotation (ATR) with a scoliometer were evaluated. The area under the curve (AUC) from receiver operating characteristic (ROC) plots were used to describe the discriminative ability of the SA, ROT, and ATR for scoliosis, defined as a Cobb angle > 10°. Test characteristics (sensitivity and specificity) were reported for the best threshold identified using the Youden method. AUC of SA, ATR, and ROT were compared using the bootstrap test for two correlated ROC curves method.


The Bone & Joint Journal
Vol. 104-B, Issue 4 | Pages 495 - 503
1 Apr 2022
Wong LPK Cheung PWH Cheung JPY

Aims

The aim of this study was to assess the ability of morphological spinal parameters to predict the outcome of bracing in patients with adolescent idiopathic scoliosis (AIS) and to establish a novel supine correction index (SCI) for guiding bracing treatment.

Methods

Patients with AIS to be treated by bracing were prospectively recruited between December 2016 and 2018, and were followed until brace removal. In all, 207 patients with a mean age at recruitment of 12.8 years (SD 1.2) were enrolled. Cobb angles, supine flexibility, and the rate of in-brace correction were measured and used to predict curve progression at the end of follow-up. The SCI was defined as the ratio between correction rate and flexibility. Receiver operating characteristic (ROC) curve analysis was carried out to assess the optimal thresholds for flexibility, correction rate, and SCI in predicting a higher risk of progression, defined by a change in Cobb angle of ≥ 5° or the need for surgery.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXI | Pages 7 - 7
1 Jul 2012
Dannawi Z Al-Mukhtar M Leong JJH Shaw M Gibson A Elsebaie HB Noordeen H
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Purpose of the study. We propose a simple classification for adolescent idiopathic scoliosis (AIS) based on two components which include the curve type and shoulder level and suggest a treatment algorithm for AIS. Introduction. Few Classification systems for adolescent idiopathic scoliosis (AIS) have helped in communicating, understanding and selecting a treatment for this condition; however, most of these classifications are complex and include many subtypes, making it difficult for the orthopaedic surgeon to use them in clinical practice. The variable reliability and reproducibility of these studies make recommendations and comparisons between various operative treatments a difficult task. Furthermore, none of these classifications has taken the shoulder imbalance into account, despite its importance as a clinical parameter and outcome measure. Methods. We developed a classification system with two components: curve type (I through III) and shoulder level (A or B). The curve types are divided into type I: Primary lumbar-thoracolumbar +/− secondary dorsal; type II: Primary dorsal secondary lumbar and type III: Dorsal. Each curve pattern is subdivided into type A or B depending on the shoulder level. In type A, the lower shoulder is ipsilateral to the concavity of the primary curve. In type B, the shoulders are level or the lower shoulder is on the convexity of the primary curve. This classification was tested for interobserver reliability and intraobserver reproducibility by six surgeons using radiographs of 28 patients. We performed a retrospective analysis of the radiographs of 232 consecutive AIS cases to assess the prevalence of curve types and tested the surgical treatment against the proposed treatment algorithm. Results. Three major types and six subtypes were identified, of which type I accounted for 30%, type II 28% and type III 42%. The kappa coefficient for interobserver reliability was 0.943, while the kappa value for intraobserver reproducibility was 0.964. There was a complete concordance with the shoulder level component. Of the 232 cases reviewed, with a minimum two-year follow-up, only three patients developed a decompensation distal to the instrumentation requiring fusion extension. Conclusion. This classification is the first of its kind to specifically address shoulder imbalance in the surgical decision-making process. The high interobserver reliability and intraobserver reproducibility is due in part to the simplicity of this classification, which makes it an invaluable tool to describe scoliosis curves and offers a potential treatment algorithm in correcting scoliosis


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_10 | Pages 20 - 20
1 Oct 2019
McCrum C Kenyon K Cleaton J Dudley T
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Background and purpose of the study. Axial Spondyloarthritis (axSpA) is commonly mistaken as chronic mechanical back pain. Delayed diagnosis averages 5- 8 years with impacts on effective and timely management, outcomes and quality of life. NICE Guidance (2017) highlights the importance of the recognition and referral of suspected axial spondyloarthritis. This study investigated the occurrence of physiotherapy care prior to diagnosis of axSpA within physiotherapy outpatient settings. Methods and results. A retrospective review was performed of all patients diagnosed with axSpA who had received physiotherapy care prior to their diagnosis from 1990–2016. Three or more episodes of care prior to diagnosis was taken as unrecognised axSpA. Information was obtained on diagnostic codes, number of episodes of care and contacts per episode from nine outpatient physiotherapy services. Analysis showed that 263 people (17–69 years) diagnosed with axSpAs had received physiotherapy care prior to diagnosis. Within this population, 103 (44%) had received ≥3 episodes of care. Number of contacts within each episode ranged from 3 (47 people) to 58 (1 person) [median=11 contacts-10 people]. Average time from initial physiotherapy episode to date of diagnosis was 6.4 years (range=0.3–12.8 years, median=8.8 years). The most common assigned diagnostic code was back pain (49.6%), followed by shoulder (11.1%), knee (8.5%), neck (7.7%), ankle/foot (4.3%), tendonitis (4.2%), joint pain (3.4%), osteoarthritis (3.4%) and sacroiliac joint (2%). Conclusion. Findings illustrate the extent of unrecognised axial spondyloarthritis referred to and missed in musculoskeletal physiotherapy practice. It is essential to improve screening and recognition of inflammatory back pain and possible axSpA in musculoskeletal assessments, supported by rheumatology referral guidance. No conflicts of interest. No funding obtained


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_2 | Pages 7 - 7
1 Feb 2015
Zietsman B Heusch A McCarthy P
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Introduction. Research has suggested baby wearing results in happier healthier babies [1]. Various designs of carrier are available, is there one which has less impact on the biomechanics of the cervical spine?. Methods. 18 volunteers (9 male and female) performed a warm up procedure on the neck (movement through each range of motion), repeated thrice. Measurement of the active cervical range of motion (ACROM) in flexion and extension using a Cervical Range of Motion device, described in previous studies [2]. Volunteers were then allocated a baby carrier to wear including a specially designed “baby” mannequin (dimensions based on population average statistics for a 1yro). Volunteers continued with ADLs, returning after 2 hours. With the carrier removed, measurements were repeated (without warm-up). Volunteers were assessed at the same time of day, thrice (control, single carrier, double carrier) with at least 1 day between carrying. Results. ACROM measurements following the use of either single or double shoulder carrier, or no carrier showed through a paired t-test significance of <0.02, found a change from post-stretching to post-carrying in those wearing the single shoulder carrier, this was the only test period to result in a decrease in both extension and total ACROM for flexion-extension. Conclusions. Carrying an average 1 yro using a single shoulder carrier can lead to accelerated rate of change in extension of ACROM. These results may have an implication to healthy bodies, thus highly likely that choice of carrier in those with extant cervical spine dysfunction might lead to exacerbation of the problems and pain. Conflicts of interest: No conflicts of interest. Sources of funding: No funding obtained


The Bone & Joint Journal
Vol. 103-B, Issue 7 | Pages 1309 - 1316
1 Jul 2021
Garg B Bansal T Mehta N

Aims

To describe the clinical, radiological, and functional outcomes in patients with isolated congenital thoracolumbar kyphosis who were treated with three-column osteotomy by posterior-only approach.

Methods

Hospital records of 27 patients with isolated congenital thoracolumbar kyphosis undergoing surgery at a single centre were retrospectively analyzed. All patients underwent deformity correction which involved a three-column osteotomy by single-stage posterior-only approach. Radiological parameters (local kyphosis angle (KA), thoracic kyphosis (TK), lumbar lordosis (LL), pelvic tilt (PT), sacral slope (SS), C7 sagittal vertical axis (C7 SVA), T1 slope, and pelvic incidence minus lumbar lordosis (PI-LL)), functional scores, and clinical details of complications were recorded.


The Bone & Joint Journal
Vol. 102-B, Issue 12 | Pages 1703 - 1708
1 Dec 2020
Miyanji F Pawelek J Nasto LA Simmonds A Parent S

Aims

Spinal fusion remains the gold standard in the treatment of idiopathic scoliosis. However, anterior vertebral body tethering (AVBT) is gaining widespread interest, despite the limited data on its efficacy. The aim of our study was to determine the clinical efficacy of AVBT in skeletally immature patients with idiopathic scoliosis.

Methods

All consecutive skeletally immature patients with idiopathic scoliosis treated with AVBT enrolled in a longitudinal, multicentre, prospective database between 2013 and 2016 were analyzed. All patients were treated by one of two surgeons working at two independent centres. Data were collected prospectively in a multicentre database and supplemented retrospectively where necessary. Patients with a minimum follow-up of two years were included in the analysis. Clinical success was set a priori as a major coronal Cobb angle of < 35° at the most recent follow-up.


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_6 | Pages 18 - 18
1 Apr 2014
Towriss C Baxter G Yasso S James S Jones A Howes J Davies P Ahuja S
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Aim:. To measure truncal parameters for patients treated with growing rod systems for early onset scoliosis (EOS). Methods:. 44 patients underwent growth rod surgery for EOS between 1999 and 2013 (24 females and 20 males). 27 patients had idiopathic scoliosis, 13 congenital, 3 syndromic and 1 neuromuscular. 26 patients had Paediatric Isola, 8 had Paediatric Expedium, 4 had dual growth rods with domino's and 9 each had VEPTR and MAGEC rods systems. Medical records and radiographs were analysed. Cobb angle, T1-T12 and T1-S1 length, coronal and sagittal balance, apical vertical translation (AVT), space available for the lung (SAL) and shoulder balance were measured. Results:. Average age at initial surgery was 6.2 (1–9) years with an average duration of follow up of 69 months (15–131). T1-T12 length measured 152 mm preoperatively (95–222), increasing by 14% postoperatively and by 30% at final follow up. There was an average overall growth of 42 mm in our group compared with 50 mm of normal physiological growth expected in a 5 year old over 60 months. Mean T1-S1 length measured 273 mm (196–415) increasing by 16% postoperatively and by 29% (80 mm) at final follow up. AVT preoperative mean was 68 mm (29–113) decreasing by 29% postoperatively. SAL ratio increased from 0.91 (0.70–0.99) to 0.93 (0.75–0.99) at final follow up. Coronal balance was maintained but 5 patients had sagittal balance complications. Shoulder balance remained constant at 14–15 mm. Conclusion:. Our results show improvement or maintenance in each parameter and also demonstrate that growth rod systems help improve or maintain truncal parameters whilst allowing normal growth. Conflict Of Interest Statement: No conflict of interest


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 117 - 117
1 Apr 2012
Sharma H Murray N Gibson M
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The Walter Reed Visual Assessment Scale (WRVAS) is a valid and reliable tool, designed to measure physical deformity as perceived by patients with idiopathic scoliosis. It is unclear whether the type of treatment in patients with thoracic adolescent idiopathic scoliosis affects the patients' perception of cosmesis gain. We studied 40 patients with Adolescent Idiopathic Scoliosis treated with posterior spinal fusion with (20) and without thoracoplasty (20) aiming to assess correlation of improvement in radiological parameters to subjective cosmesis gain. Patients with Adolescent Idiopathic Scoliosis treated with posterior spinal fusion with thoracoplasty (20) and without thoracoplasty (20) filled out Walter Reed Visual Assessment Scale (WRVAS) forms with their perception of deformity before and after operation at the clinic follow-up. The WRVAS forms include seven aspects of the deformity i.e. spinal deformity, rib prominence, lumbar prominence, thoracic deformity, trunk imbalance, shoulder asymmetry and scapular asymmetry. Each aspect is shown with five figures of increasing severity of the deformity and scored from minimum (1) to maximum (5). Results are presented as the sum of the seven questions. The lowest possible score for the total is 7, while the highest possible total score is 35. The curve magnitude was divided into 5 subgroups as 30 and under, 30-40, 40-50, 50-60 and 70 and over. Floor and ceiling effects were analysed as percentage of cases with minimum and maximum scores. Our study confirmed that following posterior scoliosis surgery with and without thoracoplasty, there was significant improvement in perceived appearance. Overall spinal deformity and thoracic deformity correction were comparable in two groups. However, improvement in rib hump prominence, flank prominence, restoration of truncal, shoulder and scapular symmetry were much better rated by the patients with PSF and thoracoplasty group using Walter Reed Visual Assessment Scale


The Bone & Joint Journal
Vol. 102-B, Issue 1 | Pages 5 - 10
1 Jan 2020
Cawley DT Rajamani V Cawley M Selvadurai S Gibson A Molloy S

Aims

Intraoperative 3D navigation (ION) allows high accuracy to be achieved in spinal surgery, but poor workflow has prevented its widespread uptake. The technical demands on ION when used in patients with adolescent idiopathic scoliosis (AIS) are higher than for other more established indications. Lean principles have been applied to industry and to health care with good effects. While ensuring optimal accuracy of instrumentation and safety, the implementation of ION and its associated productivity was evaluated in this study for AIS surgery in order to enhance the workflow of this technique. The aim was to optimize the use of ION by the application of lean principles in AIS surgery.

Methods

A total of 20 consecutive patients with AIS were treated with ION corrective spinal surgery. Both qualitative and quantitative analysis was performed with real-time modifications. Operating time, scan time, dose length product (measure of CT radiation exposure), use of fluoroscopy, the influence of the reference frame, blood loss, and neuromonitoring were assessed.


The Bone & Joint Journal
Vol. 102-B, Issue 3 | Pages 371 - 375
1 Mar 2020
Cawley D Dhokia R Sales J Darwish N Molloy S

With the identification of literature shortfalls on the techniques employed in intraoperative navigated (ION) spinal surgery, we outline a number of measures which have been synthesised into a coherent operative technique. These include positioning, dissection, management of the reference frame, the grip, the angle of attack, the drill, the template, the pedicle screw, the wire, and navigated intrathecal analgesia. Optimizing techniques to improve accuracy allow an overall reduction of the repetition of the surgical steps with its associated productivity benefits including time, cost, radiation, and safety.

Cite this article: Bone Joint J 2020;102-B(3):371–375.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_I | Pages 48 - 48
1 Jan 2012
Stochkendahl MJ Christensen HW Vach W H⊘ilund-Carlsen PF Haghfelt T Hartvigsen J
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Background and purpose. The musculoskeletal system is a common, but often overlooked, cause of chest pain. Little is known about the efficacy of spinal manipulation for this condition. The purpose of the present study is to evaluate the relative effectiveness of two conservative treatment approaches for acute musculoskeletal chest pain, 1) a spinal manipulation-based therapy as a typical example of chiropractic treatment and 2) self-management as an example of minimal intervention. Methods and results. In a non-blinded, randomised controlled trial set at an emergency cardiology department and four outpatient chiropractic clinics, 115 consecutive patients with acute chest pain and no clear medical diagnosis at initial presentation were included. After a baseline evaluation, patients with musculoskeletal chest pain were randomized to four weeks of chiropractic treatment or self-management, with post-treatment questionnaire follow-up four and 12 weeks later. Primary outcome measures were numeric change in pain intensity (11-point box numerical rating scale) and self-perceived change in pain (7-point ordinal scale). Secondary measures included Medical Outcomes Study Short Form 36 (SF-36) scores, change in pain intensity (chest, thoracic spine, neck and shoulder/arm), and self-perceived change in general health. Preliminary results will be available at the time of presentation. Conclusions. This is the first randomised controlled trial assessing chiropractic treatment versus a minimal intervention in patients with musculoskeletal chest pain. Results will indicate whether chiropractic treatment is a useful option for patients with musculoskeletal chest pain, but the design does not allow for standardisation of treatment or identification of potentially active ingredients of care


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_I | Pages 32 - 32
1 Jan 2012
Myburgh C Lauridsen H Holsgaard-Larsen A Hartvigsen J
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A clinical diagnosis of Myofascial Pain Syndrome (MPS) requires manual palpation for the identification of at least one clinically relevant trigger point (TP). However, few comparable, high quality studies exist regarding the robustness of TP examination. Our aim was to determine the inter-observer agreement of TP examination among four examiners and whether reproducibility is influenced by examiner clinical experience. Two experienced and two inexperienced clinicians each performed a standardized palpation of the upper Trapezius musculature. Each observer was asked to judge the presents/absence of clinically relevant TP(s) using clinician global assessment (GA). A random case mix of 81 female participants was examined, 14 being asymptomatic and the remainder suffering from neck/shoulder pain. Examiners received psychomotor training and video analysis feedback provided prior to and during the study in order to improve protocol standardization. Kappa co-efficients were calculated for all possible examiner pairings. Good agreement was noted between the experienced pairing (κ= 0.63). Moderate levels of agreement were observed among the two mixed pairings (κ=0.35 and 0.47 respectively). However, poor agreement was observed for the inexperienced pairing (κ=0.22). Inter-observer agreement was not stable with the experienced pairing in particular, exhibiting a sharp decline in agreement during the latter portion of the study. Identification of clinically relevant TPs of the upper Trapezius musculature is a reproducible procedure when performed by two experienced clinicians. However, an experienced-inexperienced observer pairing can yield acceptable levels of agreement. A protracted period of data collection may be detrimental to inter-observer agreement


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XX | Pages 1 - 1
1 May 2012
Kotecha AK Berryman F Baker D Pynsent P Gardner A Marks D Spilsbury J
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Purpose of the study. To establish the relation between the magnitude of the deformity in scoliosis, measured by cobb angle on radiograph & Volumetric asymmetry with the ISIS2 surface topography, and the patient perception of self image and mental health, measured with SRS-22 scores. Methodology. A total of 89 untreated patients with scoliosis were included in the study. They had clinical assessment, cobb angle measurement of radiograph and surface topography performed on the same day along with SRS-22 questionnaires. The cobb angle was measured by single surgeon using a digital PACS system, who was unaware of the volumetric asymmetry score. Volumetric asymmetry was measured by ISIS2 surface topography performed by a research nurse who was unaware of the cobb angle. Volumetric asymmetry was calculated using standard ISIS2 software. A comparison correlation of SRS scores for function, pain, self image and mental health against cobb angle and volumetric asymmetry was undertaken by clinical scientist. Scores for patient satisfaction to treatment was excluded as these were untreated patients. Statistical analysis was performed using cor. test on software R. Results. Correlation of both cobb angle and volumetric asymmetry for function and pain were statistically not significant (p value > 0.05). However for self image, correlation was statistically significant with cobb angle (p value-0.0033) and volumetric asymmetry (p value-0.00031), but the correlation was not high. Cobb angle contributed only around 10% to self image, whilst volumetric asymmetry contributed only 14%. Similarly for mental health, correlation was statistically significant with cobb angle (p value-0.0194) and volumetric asymmetry (p value-0.00559), but the correlation was not high. Cobb angle contributed only around 6.2% to mental health, whilst volumetric asymmetry contributed only 8.6%. Conclusion. Volumetric asymmetry correlates better to both mental health and self image as compared to cobb angle, but the correlation is still poor. Neither cobb angle or volumetric asymmetry can be used to predict patients self image or mental health. We are pursuing this study further to look at other parameters which may affect SRS-22 such as gender, age, type of deformity, waist asymmetry and shoulder asymmetry. Ethics approval: None. Interest Statement: None