309 results match your criteria Lumbosacral Disc Injuries


Human lumbar spinal column injury criteria from vertical loading at the base: Applications to military environments.

J Mech Behav Biomed Mater 2020 May 13;105:103690. Epub 2020 Feb 13.

SURVICE Engineering Co, USA.

The objective of this study was to determine force-based lumbar spine injury criteria due to vertical impact using Post Mortem Human Surrogate (PMHS) experiments. Mounted personnel in military vehicles sustain loads from the pelvis in combat events such as underbody blast loadings. Forty-three post mortem human subject thoracolumbar spinal columns were obtained, screened for pre-existing trauma, bone mineral densities (BMDs) were determined, pre-test radiological images were taken, fixed at the ends in polymethylmethacrylate, load cells were attached to the ends of the fixation, positioned on custom vertical accelerator device based on a military-seating posture, and impacted at the base. Read More

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http://dx.doi.org/10.1016/j.jmbbm.2020.103690DOI Listing

A systematic review and meta-analysis for Chinese herbal medicine Duhuo Jisheng decoction in treatment of lumbar disc herniation: A protocol for a systematic review.

Medicine (Baltimore) 2020 Feb;99(9):e19310

Department of Spine, Wangjing Hospital of China Academy of Chinese Medical Sciences.

Background: Lumbar disc herniation (LDH) is 1 of the most common diseases in orthopedics, which seriously affects people's daily life and brings a heavy burden on society and families. Chinese herbal medicine has been used in clinical practice for a long time and Duhuo Jisheng Decoction (DHJSD) is believed to help alleviate the symptoms of LDH. This systematic review aims to collect evidences from randomized clinical trials and evaluate the efficacy of DHJSD on LDH in order to provide a reference for clinicians and researchers. Read More

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http://dx.doi.org/10.1097/MD.0000000000019310DOI Listing
February 2020

AOSpine-Spine Trauma Classification System: The Value of Modifiers: A Narrative Review With Commentary on Evolving Descriptive Principles.

Global Spine J 2019 May 8;9(1 Suppl):77S-88S. Epub 2019 May 8.

Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, PA, USA.

Study Design: Narrative review.

Objectives: To describe the current AOSpine Trauma Classification system for spinal trauma and highlight the value of patient-specific modifiers for facilitating communication and nuances in treatment.

Methods: The classification for spine trauma previously developed by The AOSpine Knowledge Forum is reviewed and the importance of case modifiers in this system is discussed. Read More

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http://dx.doi.org/10.1177/2192568219827260DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6512201PMC
May 2019
4 Reads

Risk factors of instrumentation failure and pseudarthrosis after stand-alone L5-S1 anterior lumbar interbody fusion: a retrospective cohort study.

J Neurosurg Spine 2019 May 31;31(3):338-346. Epub 2019 May 31.

Department of Orthopaedic Surgery, Hôpital Henri Mondor, AP-HP, Université Paris Est Créteil (UPEC), Creteil, France

Objective: L5-S1 stand-alone anterior lumbar interbody fusion (ALIF) is a reliable technique to treat symptomatic degenerative disc disease but remains controversial for treatment of isthmic spondylolisthesis. In the present study the authors aimed to identify risk factors of instrumentation failure and pseudarthrosis after stand-alone L5-S1 ALIF and to evaluate whether instrumentation failure influenced the rate of fusion.

Methods: The study included 64 patients (22 [34. Read More

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http://dx.doi.org/10.3171/2019.3.SPINE181476DOI Listing
May 2019
22 Reads

Vertebral fracture in elderly female patients after posterior fusion with pedicle screw fixation for degenerative lumbar pathology: a retrospective cohort study.

BMC Musculoskelet Disord 2019 May 29;20(1):259. Epub 2019 May 29.

Department of Orthopaedic Surgery, Nihon University School of Medicine, 30-1 Oyaguchi Kami-cho, Itabashi-ku, Tokyo, 173-8610, Japan.

Background: There have been only a few reports of subsequent postoperative vertebral fracture following posterior spinal instrumentation fusion, especially in elderly female patients. This study attempted to evaluate the long-term prevalence of subsequent postoperative vertebral fracture in female patients aged 70 years and older who underwent spine decompression and fusion surgery with pedicle screw fixation.

Methods: We retrospectively reviewed prospectively collected data from 125 patients who met our inclusion and exclusion criteria. Read More

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http://dx.doi.org/10.1186/s12891-019-2534-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6542099PMC

Intraoperative ultrasound visualization of paravertebral anatomy in the retroperitoneal space during lateral lumbar spine surgery.

J Neurosurg Spine 2019 May;31(3):334-337

1Department of Orthopedic Surgery, Juntendo University; and.

Objective: Lumbar surgery via a lateral approach is a minimally invasive and highly useful procedure. However, care must be taken to avoid its potentially fatal complications of intestinal and vascular injuries. The object of this study was to evaluate the usefulness of intraoperative ultrasound in improving the safety of lateral lumbar spine surgery. Read More

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http://dx.doi.org/10.3171/2019.3.SPINE181210DOI Listing
May 2019
3 Reads

Influence of incidental dural tears and their primary microendoscopic repairs on surgical outcomes in patients undergoing microendoscopic lumbar surgery.

Spine J 2019 09 19;19(9):1559-1565. Epub 2019 Apr 19.

Department of Orthopaedic Surgery, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan. Electronic address:

Background Context: Dural tear represents a common complication of microendoscopic spine surgery that may lead to postoperative sequelae including insufficient decompression, cerebrospinal fluid fistula, intracranial hypotension, and subdural/intraparenchymal bleeding. The gold standard to manage intraoperative dural tears is primary repair. However, the downside of conversion to open surgery can be detrimental. Read More

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http://dx.doi.org/10.1016/j.spinee.2019.04.015DOI Listing
September 2019
2 Reads

Dural tear is associated with an increased rate of other perioperative complications in primary lumbar spine surgery for degenerative diseases.

Medicine (Baltimore) 2019 Jan;98(1):e13970

Orthopaedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka.

Prospective case-control study.This study used a prospective multicenter database to investigate whether dural tear (DT) is associated with an increased rate of other perioperative complications.Few studies have had sufficient data accuracy and statistical power to evaluate the association between DT and other complications owing to a low incidence of occurrence. Read More

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http://dx.doi.org/10.1097/MD.0000000000013970DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6344202PMC
January 2019
37 Reads

Serious Neurological Complication Resulting from Inadvertent Intradiscal Injection During Fluoroscopically Guided Interlaminar Epidural Steroid Injection.

Cardiovasc Intervent Radiol 2019 May 2;42(5):775-778. Epub 2019 Jan 2.

MGH Harvard Medical School, Boston, USA.

We describe the case of a 30-year-old patient who was referred for lumbar epidural corticosteroid injection due to right L5 radiculopathy. Two months earlier, MRI demonstrated a right large paracentral L4-L5 disk extrusion causing disabling L5 radiculopathy. The L4-L5 level was selected for interlaminar injection, using fluoroscopic guidance. Read More

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http://dx.doi.org/10.1007/s00270-018-2151-5DOI Listing
May 2019
13 Reads

[Features of the clinical picture, diagnosis and treatment of pain syndromes formed on the basis of combined lesions of the spine in the elderly and senile age.]

Adv Gerontol 2019 ;32(5):795-803

Ural state medical University, 3 Repin str., Yekaterinburg 620028, Russian Federation, e-mail:

Based on the long-term observation of 105 representatives of the elderly and senile age, the features of the clinical picture of pain syndromes formed in the elderly and senile age on the basis of combined spinal lesions in osteoporosis and spondylarthrosis are presented, and methods of diagnosis and treatment of such patients are proposed. The main variants of symptoms developing in response to long-term tonic muscle tension in degenerative age-dependent injuries of vertebral bodies, intervertebral discs and facet joints at the level of thoracic and lumbosacral spine are shown. Pathogenetic connections of frequent urination disorders in the elderly and senile age with pathological processes in the spine and muscular-tonic pain syndromes were determined. Read More

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Two-level reverse Bohlman transsoseous approach for treatment of symptomatic pseudarthrosis.

Br J Neurosurg 2019 Feb 6;33(1):84-87. Epub 2018 Dec 6.

a Department of Neurological Surgery , Oregon Health & Science University , Portland , OR , USA.

Surgical treatment for high-grade spondylolisthesis with high sacral slope remains controversial and no definitive gold standard procedure has been identified. The Bohlman technique, in which a fibular strut is reamed posteriorly across the L5-S1 disc space in an oblique, inferior to superior trajectory, has been increasingly utilized. Recently, a Reverse Bohlman technique has been described, in which a graft is reamed anteriorly across a single disc space in a superior to inferior trajectory. Read More

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http://dx.doi.org/10.1080/02688697.2018.1525481DOI Listing
February 2019
11 Reads

Validation of an in vivo Medical Image-Based Young Human Lumbar Spine Finite Element Model.

J Biomech Eng 2018 Dec 5. Epub 2018 Dec 5.

ASME Fellow, Mechanical and Aerospace Engineering Department, Biomedical Engineering Department, University of California, Davis, 2132 Bainer Drive, Davis, CA 95616-5294.

Mathematical models of the human spine can be used to investigate spinal biomechanics without the difficulties, limitations and ethical concerns associated with physical experimentation. Validation of such models is necessary to ensure the modeled system behavior accurately represents the physics of the actual system. The goal of this work was to validate a medical image-based nonlinear lumbosacral spine finite element model of a healthy 20-year-old female subject under physiological moments. Read More

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http://biomechanical.asmedigitalcollection.asme.org/article.
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http://dx.doi.org/10.1115/1.4042183DOI Listing
December 2018
26 Reads

The Conservative Treatment of Traumatic Thoracolumbar Vertebral Fractures.

Dtsch Arztebl Int 2018 10;115(42):697-704

Department of Orthopedics, Trauma Surgery and Plastic Surgery, University Hospital of Leipzig, Leibzig, Germany; Department of Physical and Rehabilitation Medicine, BG Hospital Bergmannstrost, Halle, Germany; Reha Assist Deutschland GmbH, Berlin, Germany; Collm Klinik Oschatz GmbH, Oschatz, Germany; Department of Orthopedic, Trauma and Reconstructive Surgery, University Hospital of Halle, Halle, Germany; Department of General Orthopedic and Spine Surgery, St. Josef-Hospital Bochum, University Hospital of the Ruhr University of Bochum, Bochum, Germany.

Background: The conservative treatment of traumatic thoracolumbar vertebral fractures is often not clearly defined.

Methods: This review is based on articles retrieved by a systematic search in the PubMed and Web of Science databases for publications up to February 2018 dealing with the conservative treatment of traumatic thoracolumbar vertebral fractures. The search initially yielded 3345 hits, of which 35 were suitable for use in this review. Read More

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http://dx.doi.org/10.3238/arztebl.2018.0697DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6280041PMC
October 2018
8 Reads

Failure of lumbar disc surgery: management by fusion or arthroplasty?

Authors:
Vladimir Kovač

Int Orthop 2019 04 13;43(4):981-986. Epub 2018 Nov 13.

Arithera Hospital for Special Diseases, Bukovačka 1, 10000, Zagreb, Croatia.

Purpose: To analyze and clarify conflicting aspects of fusion and total disc replacement (TDR) surgery in literature.

Method: Using keywords, 23 literature reviews, 41 studies accepted by "importance criteria" from the Internet, and 16 articles "published in 2018" were chosen. Altogether 80 studies. Read More

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http://link.springer.com/10.1007/s00264-018-4228-9
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http://dx.doi.org/10.1007/s00264-018-4228-9DOI Listing
April 2019
28 Reads

Sagittal alignment assessment after short-segment lumbar fusion for degenerative disc disease.

Int Orthop 2019 04 4;43(4):891-898. Epub 2018 Nov 4.

Spine Center Stuttgart, Paulinenhilfe, Diakonie-Klinikum Stuttgart, Stuttgart, Germany.

Purpose: To investigate whether differences in spinopelvic parameters, and especially spinopelvic alignment, could be associated with adjacent segment disease (ASD) or pseudarthrosis after short-segment lumbar fusion.

Methods: Retrospective study of patients offered mono- or bisegmental transforaminal lumbar interbody fusion (TLIF) with polyetheretherketone (PEEK) or titanium cages, due to degenerative disease. Of 419 patients, 32 (7. Read More

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http://link.springer.com/10.1007/s00264-018-4222-2
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http://dx.doi.org/10.1007/s00264-018-4222-2DOI Listing
April 2019
38 Reads

High Sacral Endplate Inclination Vector Forces Are Associated with Pars Fracture-Mediated Lumbosacral Spondylolisthesis.

World Neurosurg 2019 Feb 1;122:e790-e794. Epub 2018 Nov 1.

Department of Neurosurgery, Harvard Medical School, Boston, Massachusetts, USA. Electronic address:

Objective: Lumbar spondylolisthesis can be related to facet arthropathy and disc degeneration or to a fracture of the pars interarticularis, but the mechanistic underpinnings of spondylolisthesis remain unclear. We posit that high sacral slope and body weight increase sacral inclination vector forces, which leads to pars fractures and exacerbates risk for spondylolisthesis.

Methods: To investigate this hypothesis, we measured the sacral slope, body weight, and S1 endplate vector forces for patients who underwent L5-S1 fusion for grade I spondylolisthesis. Read More

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http://dx.doi.org/10.1016/j.wneu.2018.10.148DOI Listing
February 2019
10 Reads

Spontaneous Regression of Posterior Ring Apophysis Separation in Lumbar Spine.

World Neurosurg 2018 11 21;119:304-305. Epub 2018 Aug 21.

Department of Neurosurgery, Avicenne Military Hospital, Marrakech, Morocco; Mohammed V University, Rabat, Morocco.

The pathogenesis of spinal posterior ring apophysis separation (PRAS) remains controversial, and spontaneous regression of PRAS has not been established previously. This is a case report about a 33-year-old man with a PRAS of the posterior superior end plate of S1 who presented with spontaneous low back pain followed by right leg pain. The patient was managed conservatively. Read More

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http://dx.doi.org/10.1016/j.wneu.2018.08.062DOI Listing
November 2018
19 Reads
2.420 Impact Factor

Management of Dural Tears in Endoscopic Lumbar Spinal Surgery: A Review of the Literature.

World Neurosurg 2018 Nov 12;119:494-499. Epub 2018 Jun 12.

Department of Neurosurgery, Saarland University Medical Center and Faculty of Saarland University, Homburg-Saar, Germany. Electronic address:

Objective: The incidental dural tear is a common complication in lumbar spine surgery. It has been reported that the incidence of dural tears is much greater in endoscopic procedures. Primary closure via suturing remains challenging in endoscopic procedures. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S18788750183123
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http://dx.doi.org/10.1016/j.wneu.2018.05.251DOI Listing
November 2018
52 Reads

Traumatic Lumbosacral Spondyloptosis in a Pediatric Patient: Case Report and Literature Review.

Pediatr Neurosurg 2018 30;53(4):263-269. Epub 2018 May 30.

Department of Neurosurgery, School of Medicine, University of São Paulo, São Paulo, Brazil.

A 4-year-old girl was admitted to the emergency department after having been buried beneath a wall. A computed tomography scan revealed anterior grade V L5-S1 spondylolisthesis, and magnetic resonance imaging showed a traumatic rupture of the fibrous annulus of the L5-S1 intervertebral disc and lesion of the anterior longitudinal and yellow ligaments. The patient underwent anterior and posterior fixation. Read More

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http://dx.doi.org/10.1159/000488766DOI Listing
September 2018
15 Reads

Sacrocaudal (sacrococcygeal) intervertebral disc protrusion in 2 cats.

Can Vet J 2018 04;59(4):388-392

Dick White Referrals, Six Mile Bottom, Cambridgeshire CB8 0UH, United Kingdom.

One cat was presented for investigation of urinary retention and constipation and a second cat was presented with decreased appetite, reluctance to jump, reduced level of activity, and constipation. Magnetic resonance imaging revealed dorsal bulging of the hypo-intense intervertebral disc at S3-Cd1 on fast spin echo T2. Dorsal laminectomy was performed and both cats recovered with resolution of neurological signs. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5855227PMC
April 2018
9 Reads

Two-year Outcomes from a Single Surgeon's Learning Curve Experience of Oblique Lateral Interbody Fusion without Intraoperative Neuromonitoring.

Cureus 2017 Dec 22;9(12):e1980. Epub 2017 Dec 22.

None, Miller Scientific Consulting.

Introduction Oblique lumbar interbody fusion (OLIF) is a newer procedure that avoids the psoas and lumbosacral plexus due to its oblique trajectory into the retroperitoneal space. While early experience with OLIF is reassuring, the longer-term clinical efficacy has not been well established. The purpose of this study was to describe two-year clinical outcomes with OLIF performed by a single surgeon during the learning curve without the aid of the neuromonitoring. Read More

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http://dx.doi.org/10.7759/cureus.1980DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5823485PMC
December 2017
8 Reads

Short-term outcomes of lateral lumbar interbody fusion without decompression for the treatment of symptomatic degenerative spondylolisthesis at L4-5.

Neurosurg Focus 2018 01;44(1):E6

3Clinical Research, Spine Institute of Louisiana, Shreveport, Louisiana.

OBJECTIVE Recently, authors have called into question the utility and complication index of the lateral lumbar interbody fusion procedure at the L4-5 level. Furthermore, the need for direct decompression has also been debated. Here, the authors report the clinical and radiographic outcomes of transpsoas lumbar interbody fusion, relying only on indirect decompression to treat patients with neurogenic claudication secondary to Grade 1 and 2 spondylolisthesis at the L4-5 level. Read More

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http://dx.doi.org/10.3171/2017.10.FOCUS17566DOI Listing
January 2018
33 Reads

Choices and Decisions in Decompressive Surgery for Thoracolumbar Intervertebral Disk Herniation.

Vet Clin North Am Small Anim Pract 2018 Jan 23;48(1):169-186. Epub 2017 Oct 23.

Department of Small Animal Clinical Sciences, Texas A&M University, 4474 TAMU, College Station, TX 77843, USA.

Once decompressive surgery has been elected, the approach that maximizes the likelihood of gaining access to the herniated material for complete removal should be chosen. In most cases, a procedure that optimizes access to the ventrolateral aspect of the spinal cord will be advantageous but it is important to tailor the details of the surgical procedure to suit individual patients. Decompressive surgery for chronic (type II) herniations will frequently demand a ventral approach with partial corpectomy. Read More

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http://dx.doi.org/10.1016/j.cvsm.2017.08.014DOI Listing
January 2018
23 Reads

From the international space station to the clinic: how prolonged unloading may disrupt lumbar spine stability.

Spine J 2018 01 28;18(1):7-14. Epub 2017 Sep 28.

Department of Orthopaedic Surgery, University of California, San Francisco, 513 Parnassus Ave, S1157, San Francisco, CA, 94143-0514, USA. Electronic address:

Background Context: Prolonged microgravity exposure is associated with localized low back pain and an elevated risk of post-flight disc herniation. Although the mechanisms by which microgravity impairs the spine are unclear, they should be foundational for developing in-flight countermeasures for maintaining astronaut spine health. Because human spine anatomy has adapted to upright posture on Earth, observations of how spaceflight affects the spine should also provide new and potentially important information on spine biomechanics that benefit the general population. Read More

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http://dx.doi.org/10.1016/j.spinee.2017.08.261DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6339989PMC
January 2018
38 Reads

Lumbar idiopathic intervertebral disc calcification associated with ossification of the ligamentum flavum in adult: a case report.

Authors:
Danjie Zhu Yu Chen

Br J Neurosurg 2018 Oct 13;32(5):579-581. Epub 2017 Jul 13.

a Department of Orthopaedics , Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College , Hangzhou , Zhejiang , China.

A 23 year-old female was diagnosed with lumbar idiopathic intervertebral disc calcification associated with ossification of OLF. The patient underwent posterior decompression and posterolateral fusion with pedicle screw fixation, which achieved excellent clinical improvement. Surgical intervention of a posterior approach for decompression and instrumented fusion is indicated in cases that the spinal cord compression with neurologic deficits was involved. Read More

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https://www.tandfonline.com/doi/full/10.1080/02688697.2017.1
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http://dx.doi.org/10.1080/02688697.2017.1354120DOI Listing
October 2018
16 Reads

Lumbar Spine Injuries in the Athlete.

Instr Course Lect 2017 Feb;66:403-408

Research Coordinator, Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois.

Low back pain is the most common complaint expressed by adult patients in the primary care setting, and the incidence of low back pain in adolescents is rising. Adolescents who are involved in athletics most commonly suffer from spondylolysis, spondylolisthesis, mechanical low back pain, and herniated disks, whereas adult athletes most commonly suffer from lumbosacral strain and herniated or degenerative disks. Initial nonsurgical management aims to reduce inflammation and noninvasively strengthen damaged tissues. Read More

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February 2017
59 Reads

The Impact of Lumbar Spine Disease and Deformity on Total Hip Arthroplasty Outcomes.

Orthopedics 2017 May 31;40(3):e520-e525. Epub 2017 Mar 31.

Concomitant spine and hip disease in patients undergoing total hip arthroplasty (THA) presents a management challenge. Degenerative lumbar spine conditions are known to decrease lumbar lordosis and limit lumbar flexion and extension, leading to altered pelvic mechanics and increased demand for hip motion. In this study, the effect of lumbar spine disease on complications after primary THA was assessed. Read More

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http://dx.doi.org/10.3928/01477447-20170327-03DOI Listing
May 2017
45 Reads

Lumbar Facet Tropism: A Comprehensive Review.

World Neurosurg 2017 Jun 6;102:91-96. Epub 2017 Mar 6.

Seattle Science Foundation, Seattle, Washington, USA.

Background: Scattered reports exist in the medical literature regarding facet tropism. However, this finding has had mixed conclusions regarding its origin and impact on the normal spine.

Methods: We performed a literature review of the anatomy, embryology, biomechanics, and pathology related to lumbar facet tropism. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S18788750173028
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http://dx.doi.org/10.1016/j.wneu.2017.02.114DOI Listing
June 2017
46 Reads

[Treatment of lumbar sagittal split fracture with combined anterior and posterior short segment fixation and fusion].

Zhong Nan Da Xue Xue Bao Yi Xue Ban 2017 Feb;42(2):189-194

Department of Spine Surgery, Second Xiangya Hospital of Central South University, Changsha 410011, China.

Objective: To evaluate the efficacy and safety of combined anterior and posterior short segment fixation and fusion for lumbar sagittal split fracture.
 Methods: From March, 2005 to May, 2013, 13 patients of lumbar sagittal split fracture underwent short segment posterior fixation and anterior fusion. Preoperative and postoperative kyphotic Cobb's angle, visual analogue scale (VAS) score of back pain, Oswestry disability index (ODI), as well as the incidence of complication were accessed. Read More

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http://www.csumed.org/xbwk/CN/10.11817/j.issn.1672-7347.2017
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http://dx.doi.org/10.11817/j.issn.1672-7347.2017.02.012DOI Listing
February 2017
9 Reads

Systematic review of countermeasures to minimise physiological changes and risk of injury to the lumbopelvic area following long-term microgravity.

Musculoskelet Sci Pract 2017 01 11;27 Suppl 1:S5-S14. Epub 2016 Dec 11.

Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK. Electronic address:

Background: No studies have been published on an astronaut population to assess the effectiveness of countermeasures for limiting physiological changes in the lumbopelvic region caused by microgravity exposure during spaceflight. However, several studies in this area have been done using spaceflight simulation via bed-rest. The purpose of this systematic review was to evaluate the effectiveness of countermeasures designed to limit physiological changes to the lumbopelvic region caused by spaceflight simulation by means of bed-rest. Read More

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http://dx.doi.org/10.1016/j.msksp.2016.12.009DOI Listing
January 2017
30 Reads

A Posterior Oblique Approach to the Lumbar Disk Spaces, Vertebral Bodies, and Lumbar Plexus: A Cadaveric Feasibility Study.

Clin Spine Surg 2018 02;31(1):E8-E12

Department of Neurosurgery, Kantonsspital Aarau, Tellstrasse, Aarau.

Study Design: A laboratory cadaveric study.

Objective: We aimed to demonstrate the feasibility of a posterior oblique approach, sharing the same advantages as the transpsoas technique while minimizing the risk of lumbar plexus or psoas muscle injuries.

Summary Of Background Data: The transpsoas approach for interbody fusion and corpectomy offers advantages over posterior and anterior approaches. Read More

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http://dx.doi.org/10.1097/BSD.0000000000000472DOI Listing
February 2018
30 Reads

The effect of training on lumbar spine posture and intervertebral disc degeneration in active-duty Marines.

Ergonomics 2017 Aug 28;60(8):1055-1063. Epub 2016 Nov 28.

a Department of Bioengineering , University of California , San Diego , CA , USA.

Military training aims to improve load carriage performance and reduce risk of injuries. Data describing the lumbar spine (LS) postural response to load carriage throughout training are limited. We hypothesised that training would reduce the LS postural response to load. Read More

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http://dx.doi.org/10.1080/00140139.2016.1252858DOI Listing
August 2017
40 Reads

Morphologic Evaluation of Lumbosacral Nerve Roots in the Vertebral Foramen: Measurement of Local Pressure of the Intervertebral Foramen.

Clin Spine Surg 2017 Jul;30(6):E839-E844

Department of Orthopedic Surgery, Spinal Injuries Center, Iizuka, Japan.

Study Design: The prospective cohort study.

Objective Of The Study: The objective was to evaluate the relationships between local pressure changes of the intervertebral foramen during lumbar spine extension and lumbar foraminal morphology.

Summary Of Background Data: The physiological states of lumbosacral nerve roots in the vertebral foramen remain controversial. Read More

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http://dx.doi.org/10.1097/BSD.0000000000000433DOI Listing
July 2017
16 Reads

Lumbar artery branches coursing vertically over the intervertebral discs of the lower lumbar spine: an anatomic study.

Eur Spine J 2016 12 6;25(12):4195-4198. Epub 2016 Aug 6.

Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan.

Purpose: Bleeding from the lumbar artery is a potential complication during the transpsoas approach to the lower lumbar intervertebral discs. In this anatomic study, the morphological relationships between the branches of the lumbar artery and the lower intervertebral disc were investigated to assess the risk of injury to the branches of the lumbar segmental arteries.

Methods: We studied 88 sites (86 lumbar arteries) at the third and fourth lumbar vertebrae bilaterally in 22 formalin-fixed cadavers. Read More

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http://dx.doi.org/10.1007/s00586-016-4729-4DOI Listing
December 2016
21 Reads

Floating lumbar spine: proposed mechanism with review of literature.

Eur Spine J 2019 Aug 2;28(8):1751-1754. Epub 2016 Aug 2.

Indian Spinal Injuries Centre, Sector C, Vasant Kunj, Delhi, India.

Hyperextension injuries of lumbar spine resulting in lumbosacral dislocation are a rare entity. We report a case of a 60-year-old male who presented to us in outpatient department with history of trivial fall from bicycle with fracture through the pedicles extending from L2 to L5 with lumbosacral dislocation with free floating posterior elements with intact neurology. This is the first case report of 4 level extension compression injury with lumbosacral dislocation leading to floating lumbar spine to the best of author's knowledge. Read More

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http://dx.doi.org/10.1007/s00586-016-4690-2DOI Listing
August 2019
12 Reads

Effect of Load Magnitude and Distribution on Lumbar Spine Posture in Active-duty Marines.

Spine (Phila Pa 1976) 2017 Mar;42(5):345-351

*Departments of Bioengineering, University of California, San Diego, CA †Departments of Radiology, University of California, San Diego, CA ‡Departments of Orthopedic Surgery, University of California, San Diego, CA §Warfighter Performance Department, Naval Health Research Center, San Diego, CA ¶Department of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA.

Study Design: Repeated measures.

Objective: The purpose of this study was to quantify the effect of operationally relevant loads and distributions on lumbar spine (LS) in a group of active-duty Marines.

Summary Of Background Data: Low-back pain has been associated with heavy load carriage among military personnel. Read More

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http://dx.doi.org/10.1097/BRS.0000000000001742DOI Listing
March 2017
44 Reads

Lower Lumbar Segmental Arteries Can Intersect Over the Intervertebral Disc in the Oblique Lateral Interbody Fusion Approach With a Risk for Arterial Injury: Radiological Analysis of Lumbar Segmental Arteries by Using Magnetic Resonance Imaging.

Spine (Phila Pa 1976) 2017 Feb;42(3):135-142

*Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan †Department of Orthopaedic Surgery, East Chiba Medical Center, Togane, Japan ‡Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan §Department of Orthopaedic Surgery, Shimoshizu National Hospital, Yotsukaido, Japan ¶Kitachiba Spine and Sports Clinic, Chiba, Japan.

Study Design: A retrospective radiological study on vascular anatomy.

Objective: The aim of this study was to evaluate the anatomical and radiological features of lumbar segmental arteries with respect to the surgical field of the oblique lateral interbody fusion (OLIF) approach by using magnetic resonance imaging (MRI).

Summary Of Background Data: OLIF surgery restores disc height and enables indirect decompression of narrowed spinal canals through an oblique lateral approach to the spine, by using a specially designed retractor. Read More

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http://dx.doi.org/10.1097/BRS.0000000000001700DOI Listing
February 2017
21 Reads

Tearing of the left iliac vessels in lumbar surgery revealed by multiphase post-mortem CT-angiography (MPMCTA).

Leg Med (Tokyo) 2016 May 22;20:44-8. Epub 2016 Apr 22.

Center of Legal Medicine Lausanne-Geneva, University of Lausanne, Chemin de la Vulliette 4, CH-1000 Lausanne 25, Switzerland.

Lumbar surgery is regularly applied in cases of discal hernia and acquired lumbar stenosis. In this report, we present a case of a laceration in the left common iliac artery and iliac vein during a lumbar surgery and discuss the literature concerning this kind of event. In the present case, the surgical procedure was followed by a sudden decrease in blood pressure, and the surgeon discovered an intra-abdominal haemorrhage that led to the patient's death. Read More

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http://dx.doi.org/10.1016/j.legalmed.2016.04.003DOI Listing
May 2016
16 Reads

[POSTERIOR LUMBAR INTERBODY FUSION FOR DOUBLE-SEGMENTAL BILATERAL ISTHMIC LUMBAR SPONDYLOLISTHESIS].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2015 Dec;29(12):1500-3

Objective: To explore the effectiveness of posterior lumbar interbody fusion in the treatment of double-segmental bilateral isthmic lumbar spondylolisthesis.

Methods: Between February 2008 and December 2013, 17 patients with double-segmental bilateral isthmic lumbar spondylolisthesis were treated with posterior lumbar interbody fusion. There were 12 males and 5 females, with an age ranged 48-69 years (mean, 55. Read More

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December 2015
26 Reads

[MEDIUM-TERM EFFECTIVENESS OF Waveflex SYSTEM IN TREATMENT OF MULTIPLE LUMBAR DEGENERATIVE DISEASES].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2015 Sep;29(9):1104-8

Objective: To evaluate the medium-term effectiveness of Waveflex system in the treatment of multiple lumbar degenerative diseases.

Methods: Between May 2010 and July 2012, 26 patients with multiple lumbar degenerative diseases underwent posterior decompression, transforaminal lumbar interbody fusion (TLIF), and internal fixation with Waveflex system. There were 15 males and 11 females, aged 23-65 years (mean, 34. Read More

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September 2015
16 Reads

Management of Incidental Dural Tear During Lumbar Spine Surgery. To Suture or Not to Suture?

World Neurosurg 2016 Mar 14;87:455-62. Epub 2015 Dec 14.

Department of Neurosurgery, University Hospital of Basel, Basel, Switzerland; Department of Spine Surgery, University Hospital of Basel, Basel, Switzerland.

Objective: Incidental durotomy (ID) during lumbar spine surgery is a frequent complication of growing clinical relevance as the number and complexity of spinal procedures increases. Yet, there is still a lack of guidelines for the treatment of ID with a large heterogeneity of established surgical techniques. The aim of this study was to investigate the efficacy of dural suturing in patients having ID during degenerative lumbar spine surgery, compared with other dural closure techniques. Read More

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http://www.sciencedirect.com/science/article/pii/S1878875015
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http://linkinghub.elsevier.com/retrieve/pii/S187887501501646
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http://dx.doi.org/10.1016/j.wneu.2015.11.045DOI Listing
March 2016
39 Reads

A Novel Organ Culture Model of Mouse Intervertebral Disc Tissues.

Cells Tissues Organs 2016 9;201(1):38-50. Epub 2015 Oct 9.

Department of Orthopaedic Surgery, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, PR China.

The intervertebral disc (IVD) is a fibrocartilaginous joint between two vertebral bodies. An IVD unit consists of a gelatinous central nucleus pulposus, encased by the annulus fibrosus, which is sandwiched between cartilaginous endplates (EPs). The IVD homeostasis can be disrupted by injuries, ageing and/or genetic predispositions, leading to degenerative disc disorders and subsequent lower back pain. Read More

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http://www.boneandcancer.org/MOLab%20Publications%20in%20PDF
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http://www.karger.com/?doi=10.1159/000439268
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http://dx.doi.org/10.1159/000439268DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4710565PMC
October 2016
37 Reads

Extrinsic and intrinsic factors associated with non-contact injury in adult pace bowlers: a systematic review protocol.

JBI Database System Rev Implement Rep 2015 01;13(1):3-13

1 The Witwatersrand Centre for Evidence-based Practice: a Collaborating Centre of the Joanna Briggs Institute, South Africa2 Neuromusculoskeletal Physiotherapy, South Africa3 Sports Medicine, La Trobe University, Melbourne; Cricket Australia4 School of Public Health, University of Sydney, Australia5 Cricket South Africa6 Faculty of Health Sciences, University of Southampton, Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, United Kingdom7 School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, South Africa.

Review Question/objective: Review question: which extrinsic and intrinsic factors are associated with non-contact injury in adult cricket pace bowlers?Review objective: the objective of this review is to determine the extrinsic and intrinsic factors associated with non-contact injury in adult pace bowlers.

Background: Cricket is generally considered to be a sport of low injury risk compared to other sports. In cricket, the pace bowler strives towards the adoption of a bowling technique with a relatively low injury threat that will, at the same time, allow for a fast (>120km/hr) and accurate delivery to the opposing batsman. Read More

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https://insights.ovid.com/crossref?an=01938924-201513010-000
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http://dx.doi.org/10.11124/jbisrir-2015-1387DOI Listing
January 2015
71 Reads

Which Extrinsic and Intrinsic Factors are Associated with Non-Contact Injuries in Adult Cricket Fast Bowlers?

Sports Med 2016 Jan;46(1):79-101

School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, Gauteng, South Africa.

Background: The high prevalence of injury amongst cricket fast bowlers exposes a great need for research into the risk factors associated with injury. Both extrinsic (environment-related) and intrinsic (person-related) risk factors are likely to be implicated within the high prevalence of non-contact injury amongst fast bowlers in cricket. Identifying and defining the relative importance of these risk factors is necessary in order to optimize injury prevention efforts. Read More

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http://dx.doi.org/10.1007/s40279-015-0383-yDOI Listing
January 2016
116 Reads

Validity of creatine kinase as an indicator of muscle injury in spine surgery and its relation with postoperative pain.

Acta Orthop Belg 2014 Dec;80(4):545-50

Purpose: To confirm the validity of postoperative creatine kinase (CK) values as an indicator of muscle lesion, assess the relationship of CK with variables indicating surgical invasiveness and investigate an association between CK values and excessive postoperative pain.

Material And Methods: The study included 96 patients (mean age 62.8 years) who underwent instrumented spine fusion for degenerative lumbosacral disease. Read More

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December 2014
8 Reads

Minimally Invasive Transforaminal Lumbar Interbody Fusion.

J Spinal Disord Tech 2015 Jul;28(6):222-5

Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL.

Minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) is performed via tubular dilators thereby preserving the integrity of the paraspinal musculature. The decreased soft tissue disruption in the MIS technique has been associated with significantly decreased blood loss, shorter length of hospitalization, and an expedited return to work while maintaining comparable arthrodesis rates when compared with the open technique particularly in the setting of spondylolisthesis (isthmic and degenerative), recurrent symptomatic disk herniation, spinal stenosis, pseudoarthrosis, iatrogenic instability, and spinal trauma. The purpose of this article and the accompanying video wass to demonstrate the techniques for a primary, single-level MIS TLIF. Read More

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http://www.asianspinejournal.org/Synapse/Data/PDFData/9998AS
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http://www.vertebrologi.ru/biblio/Minimally_Invasive.pdf
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http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:land
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http://dx.doi.org/10.1097/BSD.0000000000000289DOI Listing
July 2015
33 Reads

Cross-sectional area of human trunk paraspinal muscles before and after posterior lumbar surgery using magnetic resonance imaging.

Eur Spine J 2016 Mar 13;25(3):774-82. Epub 2015 May 13.

Department of Mechanical Engineering, Sharif University of Technology, 11155-9567, Tehran, Iran.

Purpose: Iatrogenic injuries to paraspinal muscles during the posterior lumbar surgery (PLS) cause a reduction in their cross-sectional areas (CSAs) and contractile densities over time post-surgery. This study aims to quantify such alterations.

Method: Pre- and postoperative CSAs (~6 months interval) of all paraspinal muscles were measured in six patients undergoing PLS using a 3-T magnetic resonance (MR) scanner to quantify the alterations in geometrical and tissue effective contractile (non-fatty) CSAs of these muscles at all lumbar levels. Read More

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http://dx.doi.org/10.1007/s00586-015-4014-yDOI Listing
March 2016
15 Reads

Magnetic Resonance Neurography of the Lumbar Plexus at the L4-L5 Disc: Development of a Preoperative Surgical Planning Tool for Lateral Lumbar Transpsoas Interbody Fusion (LLIF).

Spine (Phila Pa 1976) 2015 Jun;40(12):942-7

*Department of Orthopedics, Spine and Scoliosis Surgery, Hospital for Special Surgery, New York, NY; and †Department of Neuroradiology, Weill Cornell Medical Center New York-Presbyterian Hospital, New York, NY.

Study Design: Observational study.

Objective: To demonstrate use of magnetic resonance (MR) neurography to visualize the course of the lumbar plexus at the L4-L5 disc space.

Summary Of Background Data: Risk of injury to the lumbar plexus during lateral transpsoas approach for lumbar interbody fusion (LLIF) is significant. Read More

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http://dx.doi.org/10.1097/BRS.0000000000000899DOI Listing
June 2015
12 Reads