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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. Results. The mean age of the study population was 13.9 years (SD 6.4). The apex of deformity was in thoracic, thoracolumbar, and lumbar spine in five, 14, and eight patients, respectively. The mean operating time was 178.4 minutes (SD 38.5) and the mean operative blood loss was 701.8 ml (SD 194.4). KA (preoperative mean 70.8° (SD 21.6°) vs final follow-up mean 24.7° (SD 18.9°); p < 0.001) and TK (preoperative mean -1.48° (SD 41.23°) vs final follow-up mean 24.28° (SD 17.29°); p = 0.005) underwent a significant change with surgery. Mean Scoliosis Research Society (SRS-22r) score improved after surgical correction (preoperative mean 3.24 (SD 0.37) vs final follow-up mean 4.28 (SD 0.47); p < 0.001) with maximum improvement in self-image and mental health domains. The overall complication rate was 26%, including two neurological and five non-neurological complications. Permanent neurological deficit was noted in one patient. Conclusion. Deformity correction employing three-column osteotomies by a single-stage posterior-only approach is safe and effective in treating isolated congenital thoracolumbar kyphosis. Cite this article: Bone Joint J 2021;103-B(7):1309–1316


The Bone & Joint Journal
Vol. 105-B, Issue 8 | Pages 920 - 927
1 Aug 2023
Stanley AL Jones TJ Dasic D Kakarla S Kolli S Shanbhag S McCarthy MJH

Aims. Traumatic central cord syndrome (CCS) typically follows a hyperextension injury and results in motor impairment affecting the upper limbs more than the lower, with occasional sensory impairment and urinary retention. Current evidence on mortality and long-term outcomes is limited. The primary aim of this study was to assess the five-year mortality of CCS, and to determine any difference in mortality between management groups or age. Methods. Patients aged ≥ 18 years with a traumatic CCS between January 2012 and December 2017 in Wales were identified. Patient demographics and data about injury, management, and outcome were collected. Statistical analysis was performed to assess mortality and between-group differences. Results. A total of 65 patients were identified (66.2% male (n = 43), mean age 63.9 years (SD 15.9)). At a minimum of five years’ follow-up, 32.3% of CCS patients (n = 21) had died, of whom six (9.2%) had died within 31 days of their injury. Overall, 69.2% of patients (n = 45) had been managed conservatively. There was no significant difference in age between conservatively and surgically managed patients (p = 0.062). Kaplan-Meier analysis revealed no significant difference in mortality between patients managed conservatively and those managed surgically (p = 0.819). However, there was a significant difference in mortality between the different age groups (< 50 years vs 50 to 70 years vs > 70 years; p = 0.001). At five years’ follow-up, 55.6% of the patient group aged > 70 years at time of injury had died (n = 15). Respiratory failure was the most common cause of death (n = 9; 42.9%). Conclusion. Almost one-third of patients with a traumatic CCS in Wales had died within five years of their injury. The type of management did not significantly affect mortality but their age at the time of injury did. Further work to assess the long-term functional outcomes of surviving patients is needed to generate more reliable prognostic information. Cite this article: Bone Joint J 2023;105-B(8):920–927


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_8 | Pages 8 - 8
1 Aug 2022
Sharma A Grannum S de Koning R Thakar C Nnadi C
Full Access

Surgical site infections following spinal surgery profoundly influence continued treatment, significantly impacting psychological and economic dimensions and clinical outcomes. Its reported incidence varies up to 20%, with the highest incidence amongst neuromuscular scoliosis and metastatic cord compression patients. We describe the first reported biphasic osteoconductive scaffold (Cerament G) with a logarithmic elution profile as a cumulative strategic treatment modality for adjacent spinal surgery infections. All patients who developed surgical site infections following instrumented fusion (May 2021-December 2021) had their demographics (age, sex), type and number of procedures, isolated organism, antibiotics given, comorbidities, and WHO performance status analysed. The infected wound was debrided to healthy planes, samples taken, and Cerament g applied. Thirteen patients were treated for deep SSI following spinal instrumentation and fusion procedures with intraoperative Cerament G application. There were four males and nine females with an average age of 40 ranging between 12 and 87. Nine patients underwent initial surgery for spinal deformity, and four were treated for fractures as index procedure. 77% of infections were attributable to MSSA and Cutibacteriousm acnes; others included Klebsiella, Pseudomonas and Streptococcus and targeted with multimodal cumulative therapy. A WHO performance score improved in 11 patients. In addition, there was no wound leak, and infection was eradicated successfully in 12/13 with a single procedure. This series shows the successful eradication of the infection and improved functional outcomes with Cerament G. However, the low numbers of patients in our series are an essential consideration for the broader applicability of this device


Orthopaedic Proceedings
Vol. 103-B, Issue SUPP_11 | Pages 2 - 2
1 Sep 2021
Hashmi SM Hammoud I Kumar P Eccles J Ansar MN Ray A Ghosh K Golash A
Full Access

Objectives. This presentation discusses the experience at our Centre with treating traumatic thoracolumbar fractures using percutaneous pedicle screw fixation and also looks at clinical and radiological outcomes as well as complications. Design. This is a retrospective study reviewing all cases performed between Jan 2013 and June 2019. Subjects. In our study there were 257 patients in total, of which there were 123 males and 134 females aged between 17 and 70. Methods. We reviewed the case notes and imaging retrospectively to obtain the relevant data. Results. A total of 257 patients were included, 123 males and 134 females; the mean age was 47.6 years. The majority of injuries were from fall from significant height. In 98 cases the fracture involved a thoracic vertebra and in 159 cases a lumbar vertebra. Percutaneous pedicle screw fixation was performed either one level above and below fracture or Two levels above and below the fracture depending upon the level of injury. Forty two cases were treated with additional short pedicle screws at the level of fracture. More than 15% (39) of patients presented with a neurological deficit on admission and more than 80% (32) of those showed post-operative improvement in their neurology as per Frankel Grading system. The mean Operative time was 117minutes +− 45, and mean length of hospital stay was 7.2 +− 3.8 days, with significant improvement in Visual analogue score. Percutaneous fixation achieved a satisfactory improvement in radiological parameters including sagittal Cobb angle (SCA) post-operatively in all patients. The vast majority of patients achieved a good functional outcome according to modified Macnab criteria. Follow up was for a maximum of two years, with relevant imaging at each stage. Ten (3.8%) patients had wound infection with three patients requiring wound debridement. Four patients had upper level screws pulled out and in Four cases one screw was misplaced. All eight had revision surgery. Conclusions. Percutaneous pedicle screw fixation is a safe surgical option with comparable outcomes to open surgery and a potential reduction in perioperative morbidity. Percutaneous pedicle screw fixation is the primary surgical technique to treat traumatic thoracolumbar fractures at our Centre. There were no major complications in our series, with good functional outcome following surgery


The Bone & Joint Journal
Vol. 105-B, Issue 4 | Pages 400 - 411
15 Mar 2023
Hosman AJF Barbagallo G van Middendorp JJ

Aims

The aim of this study was to determine whether early surgical treatment results in better neurological recovery 12 months after injury than late surgical treatment in patients with acute traumatic spinal cord injury (tSCI).

Methods

Patients with tSCI requiring surgical spinal decompression presenting to 17 centres in Europe were recruited. Depending on the timing of decompression, patients were divided into early (≤ 12 hours after injury) and late (> 12 hours and < 14 days after injury) groups. The American Spinal Injury Association neurological (ASIA) examination was performed at baseline (after injury but before decompression) and at 12 months. The primary endpoint was the change in Lower Extremity Motor Score (LEMS) from baseline to 12 months.


Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_9 | Pages 29 - 29
1 Sep 2019
van Hooff M Vriezekolk J Groot D O'Dowd J Spruit M
Full Access

Background and purpose. The Fear Avoidance Model is used to explain why some patients with acute low back pain develop chronic low back pain (CLBP). Cognitive behavioural therapy (CBT) targeting dysfunctional behavioural cognitions (pain catastrophizing and fear of movement) is recommended. Purpose: to investigate whether a two-week CBT-based pain management program results in improvement in dysfunctional behavioural cognitions and whether these improved cognitions improve functional outcomes. Methods and Results. Cohort study including 524 consecutive CLBP-patients. Main outcome: functioning (ODI). Secondary outcomes: pain severity (NRS), pain catastrophizing (PCS), fear of movement (TSK). Assessments: pre- and post-treatment, 1 and 12-months follow-up (FU). Improvement over time was analysed with repeated measures ANOVA. Path analyses were used to examine the influence of pain catastrophizing and fear of movement on functional disability and pain severity. Multiple imputation was used to complete missing data. Participants with incomplete data (12.8%) did not differ from those with complete data (n= 457). 59% were females, mean age 46 (± 9.5) years, mean CLBP-duration 12 (± 10.8) years. All outcomes significantly improved at post-treatment and a slight significant improvement between post-treatment and 12 months FU was observed. Path analyses showed a direct effect for catastrophizing on post-treatment functioning and an indirect effect for catastrophizing through fear of movement on post-treatment functioning. Comparable results with pain severity as outcome. Conclusion. A two-week pain management program improved dysfunctional behavioral cognitions and functional outcomes in patients with longstanding CLBP up to one year. Targeting both pain catastrophizing and fear of movement during the program resulted in improved outcomes. Conflicts of Interest: JK O'Dowd is director of and shareholder in RealHealth. The authors declare that this abstract has not been previously published in whole or substantial part nor has it been presented previously at a national or international meeting. Sources of Funding:. No funding obtained


The Bone & Joint Journal
Vol. 104-B, Issue 11 | Pages 1249 - 1255
1 Nov 2022
Williamson TK Passfall L Ihejirika-Lomedico R Espinosa A Owusu-Sarpong S Lanre-Amos T Schoenfeld AJ Passias PG

Aims

Postoperative complication rates remain relatively high after adult spinal deformity (ASD) surgery. The extent to which modifiable patient-related factors influence complication rates in patients with ASD has not been effectively evaluated. The aim of this retrospective cohort study was to evaluate the association between modifiable patient-related factors and complications after corrective surgery for ASD.

Methods

ASD patients with two-year data were included. Complications were categorized as follows: any complication, major, medical, surgical, major mechanical, major radiological, and reoperation. Modifiable risk factors included smoking, obesity, osteoporosis, alcohol use, depression, psychiatric diagnosis, and hypertension. Patients were stratified by the degree of baseline deformity (low degree of deformity (LowDef)/high degree of deformity (HighDef): below or above 20°) and age (Older/Younger: above or below 65 years). Complication rates were compared for modifiable risk factors in each age/deformity group, using multivariable logistic regression analysis to adjust for confounders.


The Bone & Joint Journal
Vol. 100-B, Issue 10 | Pages 1364 - 1371
1 Oct 2018
Joswig H Neff A Ruppert C Hildebrandt G Stienen MN

Aims. The aim of this study was to determine the efficacy of repeat epidural steroid injections as a form of treatment for patients with insufficiently controlled or recurrent radicular pain due to a lumbar or cervical disc herniation. Patients and Methods. A cohort of 102 patients was prospectively followed, after an epidural steroid injection for radicular symptoms due to lumbar disc herniation, in 57 patients, and cervical disc herniation, in 45 patients. Those patients with persistent pain who requested a second injection were prospectively followed for one year. Radicular and local pain were assessed on a visual analogue scale (VAS), functional outcome with the Oswestry Disability Index (ODI) or the Neck Pain and Disability Index (NPAD), as well as health-related quality of life (HRQoL) using the 12-Item Short-Form Health Survey questionnaire (SF-12). Results. A second injection was performed in 17 patients (29.8%) with lumbar herniation and seven (15.6%) with cervical herniation at a mean of 65.3 days . (sd. 46.5) and 47 days . (sd. 37.2), respectively, after the initial injection. All but one patient, who underwent lumbar microdiscectomy, responded satisfactorily with a mean VAS for leg pain of 8.8 mm . (sd. 10.3) and a mean VAS for arm pain of 6.3 mm . (. sd. 9) one year after the second injection, respectively. Similarly, functional outcome and HRQoL were improved significantly from the baseline scores: mean ODI, 12.3 (. sd. 12.4; p < 0.001); mean NPAD, 19.3 (. sd. 24.3; p = 0.041); mean SF-12 physical component summary (PCS) in lumbar herniation, 46.8 (. sd. 7.7; p < 0.001); mean SF-12 PCS in cervical herniation, 43 (. sd. 6.8; p = 0.103). Conclusion. Repeat steroid injections are a justifiable form of treatment in symptomatic patients with lumbar or cervical disc herniation whose symptoms are not satisfactorily relieved after the first injection. Cite this article: Bone Joint J 2018;100-B:1364–71


The Bone & Joint Journal
Vol. 98-B, Issue 1 | Pages 109 - 116
1 Jan 2016
Chou P Ma H Liu C Wang S Lee OK Chang M Yu W

Methods. In this study of patients who underwent internal fixation without fusion for a burst thoracolumbar or lumbar fracture, we compared the serial changes in the injured disc height (DH), and the fractured vertebral body height (VBH) and kyphotic angle between patients in whom the implants were removed and those in whom they were not. Radiological parameters such as injured DH, fractured VBH and kyphotic angle were measured. Functional outcomes were evaluated using the Greenough low back outcome scale and a VAS scale for pain. Results. Between June 1996 and May 2012, 69 patients were analysed retrospectively; 47 were included in the implant removal group and 22 in the implant retention group. After a mean follow-up of 66 months (48 to 107), eight patients (36.3%) in the implant retention group had screw breakage. There was no screw breakage in the implant removal group. All radiological and functional outcomes were similar between these two groups. Although solid union of the fractured vertebrae was achieved, the kyphotic angle and the anterior third of the injured DH changed significantly with time (p < 0.05). . Discussion. The radiological and functional outcomes of both implant removal and retention were similar. Although screw breakage may occur, the implants may not need to be removed. Take home message: Implant removal may not be needed for patients with burst fractures of the thoracolumbar and lumbar spine after fixation without fusion. However, information should be provided beforehand regarding the possibility of screw breakage. Cite this article: Bone Joint J 2016;98-B:109–16


The Bone & Joint Journal
Vol. 97-B, Issue 10 | Pages 1395 - 1404
1 Oct 2015
Lingutla KK Pollock R Benomran E Purushothaman B Kasis A Bhatia CK Krishna M Friesem T

The aim of this study was to determine whether obesity affects pain, surgical and functional outcomes following lumbar spinal fusion for low back pain (LBP). A systematic literature review and meta-analysis was made of those studies that compared the outcome of lumbar spinal fusion for LBP in obese and non-obese patients. A total of 17 studies were included in the meta-analysis. There was no difference in the pain and functional outcomes. Lumbar spinal fusion in the obese patient resulted in a statistically significantly greater intra-operative blood loss (weighted mean difference: 54.04 ml; 95% confidence interval (CI) 15.08 to 93.00; n = 112; p = 0.007) more complications (odds ratio: 1.91; 95% CI 1.68 to 2.18; n = 43858; p < 0.001) and longer duration of surgery (25.75 mins; 95% CI 15.61 to 35.90; n = 258; p < 0.001). Obese patients have greater intra-operative blood loss, more complications and longer duration of surgery but pain and functional outcome are similar to non-obese patients. Based on these results, obesity is not a contraindication to lumbar spinal fusion. Cite this article: Bone Joint J 2015;97-B:1395–1404


The Bone & Joint Journal
Vol. 100-B, Issue 9 | Pages 1187 - 1200
1 Sep 2018
Subramanian T Ahmad A Mardare DM Kieser DC Mayers D Nnadi C

Aims. Magnetically controlled growing rod (MCGR) systems use non-invasive spinal lengthening for the surgical treatment of early-onset scoliosis (EOS). The primary aim of this study was to evaluate the performance of these devices in the prevention of progression of the deformity. A secondary aim was to record the rate of complications. Patients and Methods. An observational study of 31 consecutive children with EOS, of whom 15 were male, who were treated between December 2011 and October 2017 was undertaken. Their mean age was 7.7 years (2 to 14). The mean follow-up was 47 months (24 to 69). Distractions were completed using the tailgating technique. The primary outcome measure was correction of the radiographic deformity. Secondary outcomes were growth, functional outcomes and complication rates. Results. The mean Cobb angle was 54° (14° to 91°) preoperatively and 37° (11° to 69°) at the latest follow-up (p < 0.001). The mean thoracic kyphosis (TK) was 45° (10° to 89°) preoperatively and 42° (9° to 84°) at the latest follow-up. The mean T1–S1 height increased from 287 mm (209 to 378) to 338 mm (240 to 427) (p < 0.001) and the mean sagittal balance reduced from 68 mm (-76 to 1470) preoperatively to 18 mm (-32 to 166) at the latest follow-up. The mean coronal balance was 3 mm (-336 to 64) preoperatively and 8 mm (-144 to 64) at the latest follow-up. The mean increase in weight and sitting and standing height at the latest follow-up was 45%, 10% and 15%, respectively. The mean Activity Scale for Kids (ASKp) scores increased in all domains, with only personal care and standing skills being significant at the latest follow-up (p = 0.02, p = 0.03). The improvements in Cobb angle, TK and T1-S1 heights were not related to gender, the aetiology of the EOS, or whether the procedure was primary or conversion from a conventional growing rod system. A total of 21 children developed 23 complications at a rate of 0.23 per patient per year. Seven developed MCGR-specific complications. Complications developed at a mean of 38 months (3 to 67) after the initial surgery and required 22 further procedures. Children who developed a complication were more likely to be younger, have syndromic EOS, and have a single-rod construct (6.9 versus 9.3 years, p = 0.034). Conclusion. The progression of EOS can be controlled using MCGRs allowing growth and improved function. Younger and syndromic children are more likely to develop complications following surgery. Cite this article: Bone Joint J 2018;100-B:1187–1200


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_6 | Pages 25 - 25
1 Feb 2016
Siddiqui A Asmat F Anjarwalla N
Full Access

Background:. Following lumbar spine surgery patients with a high BMI appear to have increased post-operative complications including surgical site infections (SSI), urinary complications, increased anaesthetic/operative time and a greater need for post-operative blood transfusion. There is no current evidence, however, analysing the effect of BMI on functional outcome. Purpose:. We aimed to analyse the effect of BMI on functional outcome following lumbar spine surgery. Study Design:. Retrospective Cohort Study. Patient Sample:. 131. Outcome Measures:. Outcome measures included mean post-operative Oswestry Disability Index (ODI) at six and twelve months, the incidence of SSI, mean operative time and the requirement for post-operative blood transfusion. Methods:. Patients that underwent lumbar spinal surgery between September 2010 and November 2013 were identified retrospectively and categorised into discectomy, decompression, fusion and revision is created. A BMI threshold of 30 was used to group patients as non-obese or obese. Univariate analysis was used to compare the effect of BMI on the above outcome measures. Results:. Post-operative complication rates were higher in the obese group in each category. However, there was no significant difference in the post-operative ODI at six ad twelve months post-operatively. Conclusions:. Increased BMI is related to increased post-operative complications but is not associated with a poorer functional outcome in the short to mid-term


The Bone & Joint Journal
Vol. 99-B, Issue 8 | Pages 1080 - 1087
1 Aug 2017
Tsirikos AI Mataliotakis G Bounakis N

Aims. We present the results of correcting a double or triple curve adolescent idiopathic scoliosis using a convex segmental pedicle screw technique. Patients and Methods. We reviewed 191 patients with a mean age at surgery of 15 years (11 to 23.3). Pedicle screws were placed at the convexity of each curve. Concave screws were inserted at one or two cephalad levels and two caudal levels. The mean operating time was 183 minutes (132 to 276) and the mean blood loss 0.22% of the total blood volume (0.08% to 0.4%). Multimodal monitoring remained stable throughout the operation. The mean hospital stay was 6.8 days (5 to 15). Results. The mean post-operative follow-up was 5.8 years (2.5 to 9.5). There were no neurological complications, deep wound infection, obvious nonunion or need for revision surgery. Upper thoracic scoliosis was corrected by a mean 68.2% (38% to 48%, p < 0.001). Main thoracic scoliosis was corrected by a mean 71% (43.5% to 8.9%, p < 0.001). Lumbar scoliosis was corrected by a mean 72.3% (41% to 90%, p < 0.001). No patient lost more than 3° of correction at follow-up. The thoracic kyphosis improved by 13.1° (-21° to 49°, p < 0.001); the lumbar lordosis remained unchanged (p = 0.58). Coronal imbalance was corrected by a mean 98% (0% to 100%, p < 0.001). Sagittal imbalance was corrected by a mean 96% (20% to 100%, p < 0.001). The Scoliosis Research Society Outcomes Questionnaire score improved from a mean 3.6 to 4.6 (2.4 to 4, p < 0.001); patient satisfaction was a mean 4.9 (4.8 to 5). . Conclusions. This technique carries low neurological and vascular risks because the screws are placed in the pedicles of the convex side of the curve, away from the spinal cord, cauda equina and the aorta. A low implant density (pedicle screw density 1.2, when a density of 2 represents placement of pedicle screws bilaterally at every instrumented segment) achieved satisfactory correction of the scoliosis, an improved thoracic kyphosis and normal global sagittal balance. Both patient satisfaction and functional outcomes were excellent. Cite this article: Bone Joint J 2017;99-B:1080–7


The Bone & Joint Journal
Vol. 103-B, Issue 9 | Pages 1464 - 1471
1 Sep 2021
Barker TP Steele N Swamy G Cook A Rai A Crawford R Lutchman L

Aims

Cauda equina syndrome (CES) can be associated with chronic severe lower back pain and long-term autonomic dysfunction. This study assesses the recently defined core outcome set for CES in a cohort of patients using validated questionnaires.

Methods

Between January 2005 and December 2019, 82 patients underwent surgical decompression for acute CES secondary to massive lumbar disc prolapse at our hospital. After review of their records, patients were included if they presented with the clinical and radiological features of CES, then classified as CES incomplete (CESI) or with painless urinary retention (CESR) in accordance with guidelines published by the British Association of Spinal Surgeons. Patients provided written consent and completed a series of questionnaires.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 6 - 6
1 Apr 2012
Rushton P Grevitt M Sell P
Full Access

Comparison of clinical, radiological & functional outcomes of corrective surgery for right thoracic AIS curves. There is a paucity of data relating functional outcomes to the radiological and surface measurement results of either posterior or anterior surgery for right thoracic AIS. Prospective, cohort study, mean follow up 35 months (range 9-115). 38 patients (6 males); 22 Lenke 2 posterior, 16 Lenke 1 anterior. Primary= rib hump, radiological (frontal Cobb correction, apical vertebral translation AVT, sagittal profile), Modified SRS Outcomes Instrument (MSRSI). Secondary= estimated blood loss (EBL), operative time, complications. No significant difference at P<0.005 with student t-test unless indicated. Rib Hump: 16° posterior 17 ° anterior, corrected to 8 ° (50%) and 6 ° (60%) respectively. Thoracic Cobb: 70° posterior 61 ° anterior, corrected to 27° (61%) and 22° (64%) respectively. No difference in preoperative curve flexibility or fulcrum bending correction index. Thoracic AVT 55% correction posterior, 70% anterior, Lumbar Cobb 59% correction posterior, 52% anterior. Thoracic kyphosis significantly reduced in posterior surgery (35 ° to 20 °) and significantly increased with anterior surgery (21° to 30°). Lumbar lordosis significantly reduced with posterior surgery (88° to 47°), no significant change with anterior surgery (60° to 53°). MSRSI; Domain scores similar preoperatively between groups. Difference scores (postop-preop), higher scores=better. Pain: +1.21 posterior +0.73 anterior. Self image: +1.02 posterior +0.71 anterior. Function/activity: +0.28 posterior +0.21 anterior. Mental health: +0.66 posterior +0.45 anterior. No significant difference in complication rate, operative time or estimated blood loss. Similar cohorts of AIS patients treated by either anterior or posterior surgery have no significant differences in radiological or functional outcomes. The different final sagittal profile in both groups did not affect the MSRSI outcomes. Both procedures deliver significant health gains as measured by the MSRSI


The Bone & Joint Journal
Vol. 103-B, Issue 6 | Pages 1133 - 1141
1 Jun 2021
Tsirikos AI Wordie SJ

Aims

To report the outcome of spinal deformity correction through anterior spinal fusion in wheelchair-bound patients with myelomeningocele.

Methods

We reviewed 12 consecutive patients (7M:5F; mean age 12.4 years (9.2 to 16.8)) including demographic details, spinopelvic parameters, surgical correction, and perioperative data. We assessed the impact of surgery on patient outcomes using the Spina Bifida Spine Questionnaire and a qualitative questionnaire.


The Bone & Joint Journal
Vol. 98-B, Issue 5 | Pages 679 - 685
1 May 2016
Ryu KJ Suh SW Kim HW Lee DH Yoon Y Hwang JH

Aims. The aim of this study was a quantitative analysis of a surgeon’s learning curve for scoliosis surgery and the relationship between the surgeon’s experience and post-operative outcomes, which has not been previously well described. Patients and Methods. We have investigated the operating time as a function of the number of patients to determine a specific pattern; we analysed factors affecting the operating time and compared intra- and post-operative outcomes. We analysed 47 consecutive patients undergoing scoliosis surgery performed by a single, non-trained scoliosis surgeon. Operating time was recorded for each of the four parts of the procedures: dissection, placement of pedicle screws, reduction of the deformity and wound closure. Results. The median operating time was 310 minutes (interquartile range 277.5 to 432.5). The pattern showed a continuous decreasing trend in operating time until the patient number reached 23 to 25, after which it stabilised with fewer patient-dependent changes. The operating time was more affected by the patient number (r =- 0.75) than the number of levels fused (r = 0.59). Blood loss (p = 0.016) and length of stay in hospital (p = 0.012) were significantly less after the operating time stabilised. Post-operative functional outcome scores and the rate of complications showed no significant differences. Take home message: We describe a detailed learning curve for scoliosis surgery based on a single surgeon’s practise, providing useful information for novice scoliosis surgeons and for those responsible for training in spinal surgery. Cite this article: Bone Joint J 2016;98-B:679–85


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 51 - 51
1 Apr 2012
Collis RA Kelleher M McEvoy L Bolger C
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Several surgical options have been utilised to treat patients with back dominant lumbar disc disease. The purpose of our study was to compare the outcomes in patients who underwent lumbar fusion with an expandable interbody device (B-TWIN) using different surgical techniques (PLIF, TLIF or posterolateral screws alone). Observational study, retrospective analysis of prospectively collected data. Patients underwent a single level lumbar fusion. Group A: PLIF with B-Twin cage; Group B: TLIF with B-Twin cage and unilateral pedicle screw fixation and Group C: bilateral posterolateral screw fixation alone. Functional outcomes were assessed using: SF-36, Oswestry Disability Index (ODI), Distress and Risk Assessment Method scores (DRAM) and the visual analogue pain scores (VAS). There were 32 patients, 24 female and 8 male. Average age was 45 (range 33-63). Average follow up was12 months (range 2-36). Level of spinal fusion was 2 L3/4, 11 L4/5 and 13 L5/S1. Mean hospital stay was 5.8 days. VAS improved in all 3 groups A 5.83 – 5; B 8 – 4.83; C 5.71 – 2.3. ODI improved in all 3 groups A 0.5 – 0.35; B 0.51 – 0.44, C 0.42 – 0.16. There was no statistical difference on comparison of the three groups. There were no operative complications. One patient broke her interdody device during a all in the first post-operative week requiring a subsequent procedure. Lumbar interbody fusions can safely be performed using an expandable interbody device. Good functional outcomes can be achieved in the majority of well selected patients


The Journal of Bone & Joint Surgery British Volume
Vol. 94-B, Issue 8 | Pages 1024 - 1031
1 Aug 2012
Rajasekaran S Kanna RM Shetty AP

The identification of the extent of neural damage in patients with acute or chronic spinal cord injury is imperative for the accurate prediction of neurological recovery. The changes in signal intensity shown on routine MRI sequences are of limited value for predicting functional outcome. Diffusion tensor imaging (DTI) is a novel radiological imaging technique which has the potential to identify intact nerve fibre tracts, and has been used to image the brain for a variety of conditions. DTI imaging of the spinal cord is currently only a research tool, but preliminary studies have shown that it holds considerable promise in predicting the severity of spinal cord injury. . This paper briefly reviews our current knowledge of this technique


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_6 | Pages 37 - 37
1 Feb 2016
Sedra F Wilson L
Full Access

Introduction:. Several reports showed superior fusion rates, as high as 100%, using rhBMP-2 with ALIF cages. This has led to the widespread off-label use of rhBMP-2 in several other lumbar fusion procedures. There is paucity of reports analysing the clinic-radiological outcome of using rhBMP-2 to promote bone union in cases of symptomatic pseudoarthosis following lumbar spine fusion. Methods:. 52 consecutive patients who underwent revision spinal surgery for symptomatic pseudoarthosis utilizing rhBMP-2 between 2008 and 2013 were included in the study. Demographic, and surgical data were collected from medical records. Functional outcomes were recorded using the ODI. All patients had preoperative fine-cut CT scan to confirm pseudoarthosis. Postoperative CT-scan at 6 months was routinely done to confirm fusion. Results:. Average age at time of revision surgery was 54years (range 28–73). Average follow up was 3 years 5 months (range 2–5 years). Overall fusion rate of 92.3% (48/52) was achieved. The average ODI has improved from 56% preoperatively to 49% postoperatively. We had 1 infection case, and 5 complications related to metalwork. One case with neuronal complications was recorded. No rhBMP-2 related complications. There was no record of heterotopic bone formation in the spinal canal or the neuroforamen. Conclusion:. Recombinant BMP-2 is a safe and effective adjunct to revision lumbar spinal fusion surgery to alleviate back pain symptoms from pseudoarthosis. The limitations of the study include: retrospective review, lack of matched cohort utilising iliac crest bone graft, and relatively short follow-up