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https://www.readbyqxmd.com/read/28942408/asymptomatic-pyogenic-liver-abscesses-secondary-to-fusobacterium-nucleatum-and-streptococcus-vestibularis-in-an-immunocompetent-patient
#1
Hamish Houston, Kartik Kumar, Salman Sajid
A 66-year-old male patient presented with symptoms and signs of L4/5 radiculopathy. He was found to be anaemic with elevated inflammatory markers and deranged hepatic enzymes. Imaging revealed lumbar canal stenosis and the presence of pyogenic liver abscesses from which Fusobacterium nucleatum and Streptococcus vestibularis were isolated. The hepatic abscesses were attributed to asymptomatic diverticular perforation. Multiple coexisting incidental infections were discovered, including oesophageal candidiasis, Helicobacter pylori, stool cultures positive for Strongyloides stercoralis, and sputum cultures positive for Enterobacter cloacae, Escherichia coli and Mycobacterium avium Extensive investigations for possible underlying immunosuppression were negative...
September 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28942026/posterolateral-fusion-versus-dynesys-%C3%A2-dynamic-stabilization-retrospective-study-at-a-minimum-5-5-years-follow-up
#2
Simon Bredin, Olivier Demay, Christophe Mensa, Karim Madi, Xavier Ohl
INTRODUCTION: Lumbar fusion is one of the most widespread techniques to treat degenerative lumbar pathology. To prevent complications such as non-union or adjacent segment degeneration, dynamic stabilization techniques were developed, but with controversial results. The aim of the present study was to compare long-term radiologic and clinical results between fusion and dynamic stabilization. MATERIAL AND METHODS: A single-center retrospective study included patients with recurrent lumbar discal hernia or lumbar canal stenosis managed by posterolateral fusion or by dynamic stabilization associated to neurologic release...
September 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28936912/epidural-hematoma-development-contralateral-to-dura-after-lumbar-transforaminal-epidural-steroid-injection
#3
Semih Gungor, Rohit Aiyer
AIM: To illustrate the anatomical and pathophysiological risks of epidural hematoma formation, other than direct needle trauma, after lumbar transforaminal epidural steroid injection in the setting of severe central canal stenosis. CASE REPORT: This case report presents the development of an epidural hematoma after lumbar transforaminal epidural steroid injection in a patient who has anatomical risk factor of severe lumbar spinal stenosis. The anatomic location of epidural hematoma was at the injected level, but on the contralateral side of the dura at a distance from the needle path...
September 22, 2017: Pain Management
https://www.readbyqxmd.com/read/28935572/macrophage-infiltration-is-a-causative-factor-for-ligamentum-flavum-hypertrophy-through-the-activation-of-collagen-production-in-fibroblasts
#4
Takeyuki Saito, Masamitsu Hara, Hiromi Kumamaru, Kazu Kobayakawa, Kazuya Yokota, Ken Kijima, Shingo Yoshizaki, Katsumi Harimaya, Yoshihiro Matsumoto, Kenichi Kawaguchi, Mitsumasa Hayashida, Yutaka Inagaki, Keiichiro Shiba, Yasuharu Nakashima, Seiji Okada
Ligamentum flavum (LF) hypertrophy causes lumbar spinal canal stenosis, leading to leg pain and disability in activities of daily living in elderly individuals. Although there have been previous studies on LF hypertrophy, its pathomechanisms have not been fully elucidated. In this study, we demonstrated that infiltrating macrophages were a causative factor for LF hypertrophy. Induction of macrophages into the mouse LF by applying a micro-injury resulted in LF hypertrophy along with collagen accumulation and fibroblasts proliferation at the injured site, which were very similar to the characteristics observed in the severely hypertrophied LF of human...
September 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28934790/factors-associated-with-successful-responses-to-transforaminal-balloon-adhesiolysis-for-chronic-lumbar-foraminal-stenosis-retrospective-study
#5
Doo Hwan Kim, Seong-Sik Cho, Yeon-Jin Moon, Koo Kwon, Kunhee Lee, Jeong-Gil Leem, Jin-Woo Shin, Ji Hyun Park, Seong-Soo Choi
BACKGROUND: Recently, transforaminal balloon adhesiolysis was introduced to manage patients with chronic radicular pain occurring with or without low back pain. However, the factors associated with successful responses to transforaminal balloon adhesiolysis are not known. OBJECTIVE: To evaluate the factors associated with successful responses to transforaminal balloon adhesiolysis for chronic lumbar spinal stenosis. STUDY DESIGN: This is a retrospective observational study...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28929033/baastrup-s-disease-interspinal-bursitis-and-dorsal-epidural-cysts-radiologic-evaluation-and-impact-on-treatment-options
#6
REVIEW
Jesse Hatgis, Michelle Granville, Robert E Jacobson
Baastrup's disease or "kissing spines syndrome" was first described as a cause of lumbar pain before computerized tomography (CT) and magnetic resonance imaging (MRI) scanning existed. The diagnosis was based on x-ray studies, which showed that the spinous processes, especially in the lower lumbar spine, became approximated to each other and this was a generator of positional back pain. Biomechanically, the interspinous and supraspinous ligaments that are degenerated in Baastrup's disease normally contribute significantly to sagittal alignment...
July 9, 2017: Curēus
https://www.readbyqxmd.com/read/28927213/ten-step-minimally-invasive-spine-lumbar-decompression-and-dural-repair-through-tubular-retractors
#7
Mohamed Abdelatif Boukebir, Connor David Berlin, Rodrigo Navarro-Ramirez, Tim Heiland, Karsten Schöller, Cameron Rawanduzy, Sertaç Kirnaz, Ajit Jada, Roger Härtl
BACKGROUND: Minimally invasive spine (MIS) surgery utilizing tubular retractors has become an increasingly popular approach for decompression in the lumbar spine. However, a better understanding of appropriate indications, efficacious surgical techniques, limitations, and complication management is required to effectively teach the procedure and to facilitate the learning curve. OBJECTIVE: To describe our experience and recommendations regarding tubular surgery for lumbar disc herniations, foraminal compression with unilateral radiculopathy, lumbar spinal stenosis, synovial cysts, and dural repair...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28924352/analysis-of-risk-factors-for-success-of-lumbar-spinal-stenosis-surgery
#8
Caroline Oliveira Brêtas, Larissa Furbino de Pinho Valentim, Nelson Elias, Igor Machado Cardoso, Joelmar César de Almeida, Charbel Jacob
OBJECTIVE: To identify the patient profile that obtains better clinical and quality of life improvement after lumbar spinal stenosis surgery, comparing the results in the pre and postoperative periods. METHODS: Thirty-seven patients with lumbar spine stenosis submitted to surgery were prospectively evaluated. Through the 36-Item Short Form General Health Survey (SF-36) questionnaire we performed a preoperative analysis to identify morbidities and social security benefit earning...
November 2016: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28919727/five-year-durability-of-stand-alone-interspinous-process-decompression-for-lumbar-spinal-stenosis
#9
Pierce D Nunley, Vikas V Patel, Douglas G Orndorff, William F Lavelle, Jon E Block, Fred H Geisler
BACKGROUND: Lumbar spinal stenosis is the most common indication for spine surgery in older adults. Interspinous process decompression (IPD) using a stand-alone spacer that functions as an extension blocker offers a minimally invasive treatment option for intermittent neurogenic claudication associated with spinal stenosis. METHODS: This study evaluated the 5-year clinical outcomes for IPD (Superion(®)) from a randomized controlled US Food and Drug Administration (FDA) noninferiority trial...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28919229/early-outcomes-of-endoscopic-contralateral-foraminal-and-lateral-recess-decompression-via-an-interlaminar-approach-in-patients-with-unilateral-radiculopathy-from-unilateral-foraminal-stenosis
#10
Hyeung Sung Kim, Ravish Patel, Byapak Paudel, Jee-Soo Jang, Il-Tae Jang, Seong-Hoon Oh, Jae Eun Park, Sol Lee
OBJECTIVE: Percutaneous endoscopic contralateral interlaminar lumbar foraminotomy (PECILF) for lumbar degenerative spinal stenosis is an established procedure. Better preservation of contralateral facet joint compared to that of the approach side has been demonstrated with uniportal bilateral decompression. The aim of this retrospective case series was to analyze the early clinical and radiological outcomes of standalone contralateral foraminotomy and lateral recess decompression using PECILF...
September 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28918752/correlation-of-csf-flow-using-phase-contrast-mri-with-ventriculomegaly-and-csf-opening-pressure-in-mucopolysaccharidoses
#11
Amauri Dalla Corte, Carolina F M de Souza, Maurício Anés, Fabio K Maeda, Armelle Lokossou, Leonardo M Vedolin, Maria Gabriela Longo, Monica M Ferreira, Solanger G P Perrone, Olivier Balédent, Roberto Giugliani
BACKGROUND: Very little is known about the incidence and prevalence of hydrocephalus in patients with mucopolysaccharidoses (MPS). The biggest challenge is to distinguish communicating hydrocephalus from ventricular dilatation secondary to brain atrophy, because both conditions share common clinical and neuroradiological features. The main purpose of this study is to assess the relationship between ventriculomegaly, brain and cerebrospinal fluid (CSF) volumes, aqueductal and cervical CSF flows, and CSF opening pressure in MPS patients, and to provide potential biomarkers for abnormal CSF circulation...
September 18, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/28918116/atherosclerotic-disease-and-its-relationship-to-lumbar-degenerative-disc-disease-facet-arthritis-and-stenosis-with-computed-tomography-angiography
#12
William J Beckworth, John F Holbrook, Lisa G Foster, Laura A Ward, James R Welle
BACKGROUND: The intervertebral disc is the largest avascular structure in the body. It relies on passive diffusion from arteries at the periphery of the disc for nutrition. Prior studies have suggested a correlation between vascular disease and lumbar degenerative disc disease (DDD) but the association with facet arthritis and stenosis has not been evaluated. OBJECTIVE: To evaluate the degree of lumbar artery stenosis, aortic atherosclerosis on computed tomography angiography (CTAs) and its relationship to lumbar DDD, facet arthritis and spinal canal stenosis...
September 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28904831/sagittal-normal-limits-of-lumbosacral-spine-in-a-large-adult-population-a-quantitative-magnetic-resonance-imaging-analysis
#13
Antonio Pierro, Savino Cilla, Giuseppina Maselli, Eleonora Cucci, Matteo Ciuffreda, Giuseppina Sallustio
OBJECTIVES: The objective of this study was to determine, using magnetic resonance imaging (MRI) of the lumbosacral spine from L1 to S1, the values of the normal sagittal diameter of the spinal canal (SCD), sagittal diameter of the dural sac (DSD), and the normal values of dural sac ratio (DSR) in a large nonsymptomatic adult population and to discriminate whether a vertebral canal is pathological or nonpathological for dural ectasia and/or stenosis. MATERIALS AND METHODS: Six hundred and four patients were prospectively enrolled...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28902770/decompression-versus-decompression-and-fusion-for-degenerative-lumbar-stenosis-in-a-workers-compensation-setting-erratum
#14
(no author information available yet)
No abstract text is available yet for this article.
September 15, 2017: Spine
https://www.readbyqxmd.com/read/28894678/radiographic-risk-factors-of-reoperation-following-minimally-invasive-decompression-for-lumbar-canal-stenosis-associated-with-degenerative-scoliosis-and-spondylolisthesis
#15
Minori Kato, Takashi Namikawa, Akira Matsumura, Sadahiko Konishi, Hiroaki Nakamura
STUDY DESIGN: Prospective cohort study. OBJECTIVE: Microsurgical bilateral decompression via a unilateral approach (MBDU), a minimally invasive surgical (MIS) decompression method, has been performed for numerous degenerative lumbar diseases, including degenerative lumbar scoliosis (DLS) or degenerative spondylolisthesis (DS), at our institution. In this study, we evaluated the appropriateness of MBDU for DLS or DS patients. METHODS: A total of 207 patients treated by MBDU were included (88 women and 119 men; mean age, 70 [40-86] years)...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28890122/lumbar-segmental-artery-pseudoaneurysm-after-l5-pedicle-screw-placement-a-rare-vascular-complication
#16
M Álvarez Postigo, J Pizones Arce, E Izquierdo Núñez
Posterior lumbar screw fixation is a common surgical procedure nowadays. However, it can sometimes produce complications that can be devastating. One of the less common causes of major complication is the misplacement of a pedicle screw. This highlights the importance of being methodical when placing pedicle screws, and checking that the pathway has been created correctly and their placement. We present a case of a massive bleed after a pedicular screw placement during lumbar canal stenosis surgery. Screw malposition led to intraoperative haemodynamic instability after failed attempts to control bleeding in the surgical site...
September 7, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28881117/comparison-of-root-images-between-post-myelographic-computed-tomography-and-magnetic-resonance-imaging-in-patients-with-lumbar-radiculopathy
#17
Chun-Kun Park, Hong-Jae Lee, Kyeong-Sik Ryu
OBJECTIVE: To evaluate the diagnostic value of computed tomography-myelography (CTM) compared to that of magnetic resonance imaging (MRI) in patients with lumbar radiculopathy. METHODS: The study included 91 patients presenting with radicular leg pain caused by herniated nucleus pulposus or lateral recess stenosis in the lumbar spine. The degree of nerve root compression on MRI and CTM was classified into four grades. The results of each imaging modality as assessed by two different observers were compared...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28881110/endoscopic-spine-surgery
#18
REVIEW
Gun Choi, Chetan S Pophale, Bhupesh Patel, Priyank Uniyal
Surgical treatment of the degenerative disc disease has evolved from traditional open spine surgery to minimally invasive spine surgery including endoscopic spine surgery. Constant improvement in the imaging modality especially with introduction of the magnetic resonance imaging, it is possible to identify culprit degenerated disc segment and again with the discography it is possible to diagnose the pain generator and pathological degenerated disc very precisely and its treatment with minimally invasive approach...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28878316/diagnostic-accuracy-of-standardised-qualitative-sensory-test-in-the-detection-of-lumbar-lateral-stenosis-involving-the-l5-nerve-root
#19
Jiann-Her Lin, Yi-Chen Hsieh, Yi-Chen Chen, Yun Wang, Chih-Cheng Chen, Yung-Hsiao Chiang
Misdiagnosis of symptomatic lumbar lateral stenosis (LS) may result in an unfavourable prognosis after surgical treatment. This study investigated the diagnostic accuracy of a standardised qualitative sensory test (SQST) in the detection of symptomatic LS in patients who had degenerative spinal disorders involving the L5 spinal nerve. We prospectively identified 75 patients, of which 60 met the inclusion criteria. Lateral recess stenosis at the L5 level or foraminal stenosis at the L5/S1 level on MRI was identified and graded by a neurosurgeon blinded to any clinical information...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28874976/preliminary-results-of-relationship-between-preoperative-walking-ability-and-magnetic-resonance-imaging-morphology-in-patients-with-lumbar-canal-stenosis-comparison-between-trefoil-and-triangle-types-of-spinal-stenosis
#20
Parisa Azimi, Taravat Yazdanian, Edward C Benzel
STUDY DESIGN: Cross-sectional. PURPOSE: To examine the relationship between magnetic resonance imaging (MRI) morphology stenosis grades and preoperative walking ability in patients with lumbar canal stenosis (LCS). OVERVIEW OF LITERATURE: No previous study has analyzed the correlation between MRI morphology stenosis grades and walking ability in patients with LCS. METHODS: This prospective study included 98 consecutive patients with LCS who were candidates for surgery...
August 2017: Asian Spine Journal
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