scholarly journals Three-Dimensional Biomechanical Finite Element Analysis of Lumbar Disc Herniation in Middle Aged and Elderly

2022 ◽  
Vol 2022 ◽  
pp. 1-11
Author(s):  
Shiyuan Wan ◽  
Bin Xue ◽  
Yanhao Xiong
Keyword(s):  
Finite Element ◽  
Intervertebral Disc ◽  
Lumbar Disc Herniation ◽  
Vertebral Body ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Three Dimensional ◽  
Surgical Methods ◽  
Left And Right ◽  
The Impact

Lumbar intervertebral disc protrusion disease refers to the degeneration of intervertebral disc, rupture of fibrous ring, nucleus pulpous protrusion and stimulation or compression of nerve root. The import command in Mimics medical 3D reconstruction software was used to erase the irrelevant image data and obtain vertebral body images. The original 3D model of each vertebral body was built by 3D computing function. A three-dimensional finite element model was established to analyze the effect of different surgical methods on the mechanical distribution of the spine after disentomb. The stress distribution of the spine, intervertebral disc, and left and right articular cartilage at L4/L5 stage and the position shift of the fourth lumbar vertebra were analyzed under 7 working conditions of vertical, forward flexion, extension, left and right flexion, and left and right rotation. The results showed that the established model was effective, and the smaller the area of posterior laminar decompression was, the lesser the impact on spinal stability was. The PELD treatment of lumbar disc herniation had little impact on spinal biomechanics and could achieve good long-term biomechanical stability. Combining the clinical experiment method and finite element simulation, using the advantages of finite element software to optimize the design function can provide guidance for the design and improvement of medical devices and has important significance for the study of clinical mechanical properties and biomechanics.

scholarly journals Evaluation of the effectiveness of surgical methods for the treatment of recurrent lumbar disc herniation: a cohort retrospective study

2021 ◽  
Vol 18 (2) ◽  
pp. 34-43
Author(s):  
M. N. Kravtsov ◽  
I. A. Kruglov ◽  
S. D. Mirzametov ◽  
A. S. Seleznev ◽  
N. P. Alekseyeva ◽  
...  
Keyword(s):  
Intervertebral Disc ◽  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Interbody Fusion ◽  
Lumbar Disc ◽  
Disc Replacement ◽  
Single Level ◽  
Surgical Methods ◽  
Endoscopic Discectomy ◽  
Recurrent Lumbar Disc Herniation

Objective. To compare the effectiveness of surgical methods for treating patients with recurrent lumbar disc herniation.Material and Methods. The sample consisted of 160 patients operated on in 2014–2019 for recurrent lumbar disc herniation by percutaneous endoscopic discectomy (Group 1), microsurgical discectomy (Group 2), single-level transforaminal interbody fusion (Group 3) and single-level total intervertebral disc replacement (Group 4). The effectiveness of surgical treatment was evaluated using the NRS-11, ODI, and MacNab questionnaires.Results. Assessment of the pain syndrome severity and the vital activity level of patients revealed significant (p < 0.05) differences in favor of total intervertebral disc replacement. Excellent and good outcomes after arthroplasty according to MacNab criteria were noted in all patients in this group. Similar outcomes were reported in 77.5 % (31/40) of patients in the TLIF group, in 75.1 % (24/32) of patients in the percutaneous endoscopic discectomy group and in 72.6 % (45/62) of patients in the microdiscectomy group. The operation time and length of hospital stay were shorter in the endoscopic and microsurgical discectomy groups (p < 0.001). However, the lower incidence of complications and reoperations was observed in groups of posterior interbody fusion and arthroplasty (p > 0.05).Conclusion. Arthroplasty with the M6-L implant expands the possibilities of surgery for recurrent lumbar disc herniation. Total intervertebral disc replacement and posterior interbody fusion for recurrent lumbar disc herniation are more effective in comparison with decompressive operations, which is reflected in the improvement of clinical treatment outcomes, reduction of perioperative complications and frequency of repeated interventions.

The Impact of Disability Compensation on Long-term Treatment Outcomes of Patients With Sciatica Due to a Lumbar Disc Herniation

Spine ◽  
2006 ◽  
Vol 31 (26) ◽  
pp. 3061-3069 ◽  
Author(s):  
Steven J. Atlas ◽  
Yuchiao Chang ◽  
Robert B. Keller ◽  
Daniel E. Singer ◽  
Yen A. Wu ◽  
...  
Keyword(s):  
Treatment Outcomes ◽  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Term Treatment ◽  
Long Term Treatment ◽  
The Impact ◽  
Disability Compensation

scholarly journals A Comparison of Percutaneous Endoscopic Lumbar Discectomy and Open Lumbar Microdiscectomy for Lumbar Disc Herniation in the Korean: A Meta-Analysis

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Manyoung Kim ◽  
Sol Lee ◽  
Hyeun-Sung Kim ◽  
Sangyoon Park ◽  
Sang-Yeup Shim ◽  
...  
Keyword(s):  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Meta Analysis ◽  
Lumbar Discectomy ◽  
Percutaneous Endoscopic Lumbar Discectomy ◽  
Lumbar Microdiscectomy ◽  
Surgical Methods ◽  
Endoscopic Lumbar Discectomy

Background. Among the surgical methods for lumbar disc herniation, open lumbar microdiscectomy is considered the gold standard. Recently, percutaneous endoscopic lumbar discectomy is also commonly performed for lumbar disc herniation for its various strong points. Objectives. The present study aims to examine whether percutaneous endoscopic lumbar discectomy and open lumbar microdiscectomy show better results as surgical treatments for lumbar disc herniation in the Korean population. Methods. In the present meta-analysis, papers on Korean patients who underwent open lumbar microdiscectomy and percutaneous endoscopic lumbar discectomy were searched, both of which are surgical methods to treat lumbar disc herniation. The papers from 1973, when percutaneous endoscopic lumbar discectomy was first introduced, to March 2018 were searched at the databases of MEDLINE, EMBASE, PubMed, and Cochrane Library. Results. Seven papers with 1254 patients were selected. A comparison study revealed that percutaneous endoscopic lumbar discectomy had significantly better results than open lumbar microdiscectomy in the visual analogue pain scale at the final follow-up (leg: mean difference [MD]=-0.35; 95% confidence interval [CI]=-0.61, -0.09; p=0.009; back: MD=-0.79; 95% confidence interval [CI]=-1.42, -0.17; p=0.01), Oswestry Disability Index (MD=-2.12; 95% CI=-4.25, 0.01; p=0.05), operation time (MD=-23.06; 95% CI=-32.42, -13.70; p<0.00001), and hospital stay (MD=-4.64; 95% CI=-6.37, -2.90; p<0.00001). There were no statistical differences in the MacNab classification (odds ratio [OR]=1.02; 95% CI=0.71, 1.49; p=0.90), complication rate (OR=0.72; 95% CI=0.20, 2.62; p=0.62), recurrence rate (OR=0.83; 95% CI=0.50, 1.38; p=0.47), and reoperation rate (OR=1.45; 95% CI=0.89, 2.35; p=0.13). Limitations. All 7 papers used for the meta-analysis were non-RCTs. Some differences (type of surgery (primary or revisional), treatment options before the operation, follow-up period, etc.) existed depending on the selected paper, and the sample size was small as well. Conclusion. While percutaneous endoscopic lumbar discectomy showed better results than open lumbar microdiscectomy in some items, open lumbar microdiscectomy still showed good clinical results, and it is therefore reckoned that a randomized controlled trial with a large sample size would be required in the future to compare these two surgical methods.

scholarly journals The Impact of Epidural Steroid Injections on the Outcomes of Patients Treated for Lumbar Disc Herniation

2012 ◽  
Vol 94 (15) ◽  
pp. 1353-1358 ◽  
Author(s):  
Kristen Radcliff ◽  
Alan Hilibrand ◽  
Jon D Lurie ◽  
Tor D Tosteson ◽  
Lawrence Delasotta ◽  
...  
Keyword(s):  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Steroid Injections ◽  
Epidural Steroid Injections ◽  
Epidural Steroid ◽  
The Impact

scholarly journals The impact of obesity and smoking on young individuals suffering from lumbar disc herniation: a retrospective analysis of 97 cases

2019 ◽  
Vol 43 (5) ◽  
pp. 1297-1303
Author(s):  
Sara Lener ◽  
Christoph Wipplinger ◽  
Sebastian Hartmann ◽  
Claudius Thomé ◽  
Anja Tschugg
Keyword(s):  
Retrospective Analysis ◽  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Negative Impact ◽  
Digital Health ◽  
Lumbar Disc ◽  
Motor Deficits ◽  
Spinal Diseases ◽  
Lower Pain ◽  
The Impact

Abstract The negative impact on spinal diseases may apply not only to obesity but also to smoking. To investigate the influence of obesity and smoking on the development and recovery of lumbar disc herniation in young adults. Retrospective analysis of 97 patients who presented with lumbar disc herniation at the authors’ department between 2010 and 2017. Data were collected using the patients’ digital health records including demographics, clinical and neurological characteristics, treatment details, and outcomes. Ninety-seven patients between 17 and 25 years were included in this retrospective analysis. Patients were categorized into two groups according to their body mass index: obese (O, ≥ 30 kg/m2) and non-obese (NO, < 30 kg/m2). The proportion of obese patients in our cohort vs. in the overall population differed significantly (19.4% vs. 3.8–7.1%, RR 3.17; p < 0.01). Group NO showed a trend toward faster recovery of motor deficits (p = 0.067) and pain (p = 0.074). Also, the proportion of regular smokers differed significantly from the numbers of known smokers of the same age (62.4% vs. 30.2%, RR 2.0; p = 0.01). Obesity plus smoking showed a significantly negative impact on motor deficits postoperatively (p = 0.015) and at discharge (p = 0.025), as well as on pain values (p = 0.037) and on analgesic consumption (p = 0.034) at 6 weeks follow-up. The negative impact of obesity and smoking on the occurrence of lumbar disc herniation could be demonstrated for individuals aged 25 or younger. Furthermore, a trend to earlier recovery of motor deficits and significantly lower pain scales for non-obese and non-smoking patients could be shown.

Percutaneous intradiscal injection of radiopaque gelified ethanol: short- and long-term functional outcome and complication rate in a consecutive series of patients with lumbar disc herniation

2020 ◽  
pp. 204946372091718
Author(s):  
Domenico La Torre ◽  
Giorgio Volpentesta ◽  
Carmelino Stroscio ◽  
Caterina Bombardiere ◽  
Domenico Chirchiglia ◽  
...  
Keyword(s):  
Physical Activity ◽  
Pain Relief ◽  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Complication Rate ◽  
Lumbar Disc ◽  
Depression Status ◽  
Surgical Methods ◽  
Intradiscal Injection

Lumbar disc herniation (LDH) is a common cause of low back pain (LBP) and/or radicular pain (RP). Over the years, different therapies have been proposed to treat symptomatic LDH, including different minimally invasive techniques and open surgical methods. Recently, percutaneous intradiscal injection of radiopaque gelified ethanol (RGE) DiscoGel® has emerged as an effective therapeutic option in patients with LDH. Nevertheless, only few studies addressed the reliability of this technique. The purpose of this study was to evaluate the efficacy and safety of this procedure. We analysed surgical and outcome data of patients with small or medium LDH treated by DiscoGel between 2012 to 2015. Outcome variables included pain relief, the limitation on physical activity and severity of depression status. Overall, complication rate was defined as the occurrence of any perioperative adverse events. A total of 94 consecutive patients were enrolled in the study. Pain relief was achieved in 90.6% and 88.8% of patients at 1- and 4-year follow-up, respectively. At the last follow-up, at least a satisfactory result was achieved in 92.5% of patients. Similar results were obtained in the limitation on physical activity. Depression status did not significantly change after treatment. There was no mortality, and no patients experienced permanent sequelae. In well-selected patients, DiscoGel has proved effective in maintaining excellent functional results in terms of pain relief and limitation on physical activity while minimizing the overall rate of complications related to these kinds of surgical procedures.

scholarly journals The Impact of Workersʼ Compensation on Outcomes of Surgical and Nonoperative Therapy for Patients With a Lumbar Disc Herniation

Spine ◽  
2010 ◽  
Vol 35 (1) ◽  
pp. 89-97 ◽  
Author(s):  
Steven J. Atlas ◽  
Tor D. Tosteson ◽  
Emily A. Blood ◽  
Jonathan S. Skinner ◽  
Glenn S. Pransky ◽  
...  
Keyword(s):  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Nonoperative Therapy ◽  
The Impact

The impact of spino-pelvic parameters on pathogenesis of lumbar disc herniation

2021 ◽  
Author(s):  
B. Pourabbas Tahvildari ◽  
Z. Masroori ◽  
M. A. Erfani ◽  
S. Solooki ◽  
A. R. Vosoughi
Keyword(s):  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Lumbar Disc ◽  
Pelvic Parameters ◽  
The Impact

scholarly journals The Clinical Diagnostic Value of Lumbar Intervertebral Disc Herniation Based on MRI Images

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Kangxing Zheng ◽  
Zihuan Wen ◽  
Dehuai Li
Keyword(s):  
Intervertebral Disc ◽  
Lumbar Disc Herniation ◽  
Disc Herniation ◽  
Facet Joint ◽  
Lumbar Disc ◽  
Herniated Disc ◽  
Intervertebral Disc Herniation ◽  
Facet Joints ◽  
Lumbar Intervertebral Disc ◽  
Lumbar Intervertebral Disc Herniation

MRI was used to measure the changes in the angle of the facet joints of the lumbar spine and analyze the relationship between it and the herniated lumbar intervertebral disc. Analysis of the causes of lumbar disc herniation from the anatomy and morphology of the spine provides a basis for the early diagnosis and prevention of lumbar disc herniation. There is a certain correlation between the changes shown in MRI imaging of lumbar disc herniation and the TCM syndromes of lumbar intervertebral disc herniation. There is a correlation between the syndromes of lumbar disc herniation and the direct signs of MRI: pathological type, herniated position, and degree of herniation. Indirect signs with MR, nerve root compression and dural sac compression, are related. The MRI examination results can help syndrome differentiation to improve its accuracy to a certain extent. MRI has high sensitivity for the measurement of the angle of the facet joints of the lumbar spine and can be used to study the correlation between the changes of the facet joint angles and the herniated disc. Facet joint asymmetry is closely related to lateral lumbar disc herniation, which may be one of its pathogenesis factors. The herniated intervertebral disc is mostly on the sagittal side of the facet joint, and the facet joint angle on the side of the herniated disc is more sagittal. The asymmetry of the facet joints is not related to the central lumbar disc herniation, and the angle of the facet joints on both sides of the central lumbar disc herniation is partial sagittal.

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