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Lumbar spinal stenosis

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https://www.readbyqxmd.com/read/28239663/radiographic-indices-for-lumbar-developmental-spinal-stenosis
#1
Jason Pui Yin Cheung, Karen Ka Man Ng, Prudence Wing Hang Cheung, Dino Samartzis, Kenneth Man Chee Cheung
BACKGROUND: Patients with developmental spinal stenosis (DSS) are susceptible to developing symptomatic stenosis due to pre-existing narrowed spinal canals. DSS has been previously defined by MRI via the axial anteroposterior (AP) bony spinal canal diameter. However, MRI is hardly a cost-efficient tool for screening patients. X-rays are superior due to its availability and cost, but currently, there is no definition of DSS based on plain radiographs. Thus, the aim of this study is to develop radiographic indices for diagnosing DSS...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28228325/prognostic-factors-associated-with-the-surgical-indication-for-lumbar-spinal-stenosis-patients-less-responsive-to-conservative-treatments-an-investigator-initiated-observational-cohort-study
#2
Masayoshi Fukushima, Hiroyuki Oka, Nobuhiro Hara, Yasushi Oshima, Hirotaka Chikuda, Sakae Tanaka, Katsushi Takeshita, Ko Matsudaira
BACKGROUND: A few cohort studies have determined which patients with lumbar spinal stenosis are likely to need surgery because of the deterioration of symptoms. However, there are still insufficient data regarding the management of lumbar spinal stenosis due to lack of prognostic factors associated with the need for surgery. The purpose of this study was to identify the prognostic factors associated with the need for surgical treatment in patients with lumbar spinal stenosis. METHODS: Patients with lumbar spinal stenosis from our hospital and related facilities were enrolled...
February 19, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28216750/early-results-of-thoraco-lumbar-burst-fracture-treatment-using-selective-corpectomy-and-rectangular-cage-reconstruction
#3
Bowei Liang, Guofeng Huang, Luobing Ding, Liangqi Kang, Mo Sha, Zhenqi Ding
BACKGROUND: Subsidence and late fusion are commonly observed in anterior subtotal corpectomy and reconstruction for treating thoracolumbar burst fractures. The subsidence rate of this surgical method was reported from 19.6% to 75% in the literatures, which would cause treatment failure. Thus, an improvement of anterior surgery technique should be studied to reduce these complications. MATERIALS AND METHODS: 130 patients of thoracolumbar burst fractures treated by minimal corpectomy, decompression and U cage, between January 2009 and December 2010 were included in this study...
January 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28209505/botulinum-toxin-treatment-for-nocturnal-calf-cramps-in-patients-with-lumbar-spinal-stenosis-a-randomized-clinical-trial
#4
Sang Jun Park, Kyung Bong Yoon, Duck Mi Yoon, Shin Hyung Kim
OBJECTIVES: To evaluate the clinical effectiveness of botulinum toxin (BTX) injection into the gastrocnemius muscles in lumbar spinal stenosis (LSS) patients with frequent nocturnal calf cramps (NCCs) DESIGN: Prospective randomized clinical trial SETTING: Outpatient department for interventional pain management. PARTICIPANTS: Fifty LSS patients with a frequency of NCCs ≥ once per week were enrolled. INTERVENTION: Patients were randomly allocated to receive either conservative treatments plus gabapentin (Group GPN) or BTX injection (Group BTX)...
February 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28207618/magnetic-resonance-imaging-evaluation-of-the-effects-of-surgical-invasiveness-on-paravertebral-muscles-after-muscle-preserving-interlaminar-decompression-mild
#5
Hitoshi Tonomura, Yoichiro Hatta, Yasuo Mikami, Takumi Ikeda, Tomohisa Harada, Masateru Nagae, Hironori Koike, Hitoshi Hase, Toshikazu Kubo
STUDY DESIGN: This is a retrospective study. OBJECTIVES: The aim of this study was to determine the extent of damage to the paravertebral muscles after muscle-preserving interlaminar decompression (MILD) using magnetic resonance imaging to evaluate changes in the multifidus muscle (MF). SUMMARY OF BACKGROUND DATA: Short-term surgical outcomes of MILD for lumbar spinal canal stenosis (LSCS) are satisfactory; however, the extent of damage to the paravertebral muscles after MILD remains unclear...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28204925/circumferential-fusion-for-degenerative-lumbar-spondylolisthesis-complicated-by-distal-junctional-grade-4-spondylolisthesis-in-the-sub-acute-post-operative-setting
#6
Alexander A Theologis, Deeptee Jain, Christopher P Ames, Murat Pekmezci
INTRODUCTION: Surgical management for lumbar stenosis is generally safe and provides significant improvements in pain, disability, and function. Successful lumbar decompression hinges on removing an appropriate amount of lamina and other compressive pathology in the lateral recess. Too little bony decompression can result in persistent pain and disability, while over resection of the pars and/or facets may jeopardize spinal stability. CASE REPORT: In this unique report, we present for the first time an acute iatrogenic grade 4 L5-S1 spondylolisthesis distal to a L3-5 laminectomy and circumferential instrumented fusion due to bilateral iatrogenic L5 pars fractures and its management and clinical outcomes after revision operation...
February 15, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28204744/finding-an-answer-comments-on-a-randomized-trial-of-epidural-glucocorticoid-injections-for-lumbar-spinal-stenosis
#7
Andrew J Engel, D Scott Kreiner, Milan P Stojanovic
No abstract text is available yet for this article.
February 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28203471/lumbar-scoliosis-combined-lumbar-spinal-stenosis-and-herniation-diagnosed-patient-was-treated-with-u-route-transforaminal-percutaneous-endoscopic-lumbar-discectomy
#8
Binbin Wu, Shaobo Zhang, Qingquan Lian, Haibo Yan, Xianfa Lin, Gonghao Zhan
The objective was to report a case of a 63-year-old man with a history of low back pain (LBP) and left leg pain for 2 years, and the symptom became more serious in the past 5 months. The patient was diagnosed with lumbar scoliosis combined with lumbar spinal stenosis (LSS) and lumbar disc herniation (LDH) at the level of L4-5 that was confirmed using Computerized Topography and Magnetic Resonance Imaging. The surgical team preformed a novel technique, "U" route transforaminal percutaneous endoscopic lumbar discectomy (PELD), which led to substantial, long-term success in reduction of pain intensity and disability...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28191625/iatrogenic-vascular-injuries-due-to-spinal-surgeries-endovascular-perspective
#9
Mustafa Gok, Elcin Aydin, Serkan Guneyli, Ali Akay, Celal Cinar, Ismail Oran
AIM: Iatrogenic vascular injuries due to spinal surgeries are rare but serious complications. Surgical management of these injuries is challenging with high morbidity rates. In this study we aim to present the results of endovascular management of iatrogenic vascular injuries due to spinal surgeries. MATERIAL AND METHODS: We retrospectively reviewed 11 patients (5 male, 6 female) who had vascular injuries due to cervical and lumbar spinal surgeries. Clinical findings were bleeding (n=5), leg edema (n=6) and right heart failure with severe dyspnea (n=1)...
January 17, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28185063/osteochondral-loose-body-an-unusual-cause-of-lumbar-spinal-stenosis
#10
Katrina Treon, M Ockendon
Lumbar spinal stenosis is most often a degenerate condition observed in the older population. We describe the case of a lady with typical claudicant symptoms with an unusual cause of stenosis identified at the time of her decompressive surgery. On review of the literature this is only the second case of osteochondral loose body as a cause for lumbar spinal stenosis and thus remains a rare phenomenon.
February 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28180981/does-pre-operative-magnetic-resonance-imaging-of-the-lumbar-multifidus-muscle-predict-clinical-outcomes-following-lumbar-spinal-decompression-for-symptomatic-spinal-stenosis
#11
Mario G T Zotti, F Vilas Boas, T Clifton, M Piche, W W Yoon, B J C Freeman
PURPOSE: To investigate whether pre-operative magnetic resonance imaging (MRI) of the lumbar multifidus muscle (LMM) would predict clinical outcomes following lumbar spinal decompression for symptomatic spinal stenosis. METHODS: A prospective cohort of patients with symptomatic neurogenic claudication, documented spinal stenosis on pre-operative MRI underwent spinal decompression. All subjects completed standardised outcome measures (Core Outcome Measures Index (COMI), Oswestry Disability Index (ODI v2...
February 8, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28180980/myofibroblast-in-the-ligamentum-flavum-hypertrophic-activity
#12
Junseok W Hur, Taegeun Bae, Sunghyeok Ye, Joo-Hyun Kim, Sunhye Lee, Kyoungmi Kim, Seung-Hwan Lee, Jin-Soo Kim, Jang-Bo Lee, Tai-Hyoung Cho, Jung-Yul Park, Junho K Hur
PURPOSE: Majority of the previous studies compared lumbar spinal stenosis (LSS) and lumbar disc herniation (LDH) patients for analyses of LFH. However, the separation of normal/hypertrophied LF has often been ambiguous and the severity of hypertrophic activity differed. Here, we present a novel analysis scheme for LFH in which myofibroblast is proposed as a major etiological factor for LFH study. METHODS: Seventy-one LF patient tissue samples were used for this study...
February 8, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28168345/association-between-pain-sensitivity-in-the-hand-and-outcomes-after-surgery-in-patients-with-lumbar-disc-herniation-or-spinal-stenosis
#13
Yvonne Lindbäck, Hans Tropp, Paul Enthoven, Björn Gerdle, Allan Abbott, Birgitta Öberg
PURPOSE: To investigate the association between pain sensitivity in the hand pre-surgery, and patient-reported outcomes (PROs) in function, pain and health pre- and post-surgery in patients with disc herniation or spinal stenosis. METHODS: This is a prospective cohort study with 82 patients. Associations between pressure-, cold- and heat pain threshold (PPT, CPT, HPT) in the hand pre-surgery and Oswestry, VAS pain, EQ-5D, HADS, and Self-Efficacy Scale, pre- and three months post-surgery; were investigated with linear regression...
February 6, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28161752/reversibility-of-nerve-root-sedimentation-sign-in-lumbar-spinal-stenosis-patients-after-decompression-surgery
#14
Christian Barz, Markus Melloh, Lukas P Staub, Sarah J Lord, Harry R Merk, Thomas Barz
PURPOSE: The nerve root sedimentation sign (SedSign) is a magnetic resonance imaging (MRI) sign for the diagnosis of lumbar spinal stenosis (LSS). It is included in the assessment of LSS to help determine whether decompression surgery is indicated. Assessment of the reversibility of the SedSign after surgery may also have clinical implications for the decision about whether or not a secondary operation or revision is needed. This study investigated if lumbar decompression leads to a reversal of the SedSign in patients with LSS and a positive SedSign pre-operatively; and if a reversal is associated with more favourable clinical outcomes...
February 4, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28161236/minimally-invasive-decompression-surgery-for-lumbar-spinal-stenosis-with-degenerative-scoliosis-predictive-factors-of-radiographic-and-clinical-outcomes
#15
Akihito Minamide, Munehito Yoshida, Hiroki Iwahashi, Andrew K Simpson, Hiroshi Yamada, Hiroshi Hashizume, Yukihiro Nakagawa, Hiroshi Iwasaki, Shunji Tsutsui, Ryohei Kagotani, Mayumi Sonekatsu, Takahide Sasaki, Kazunori Shinto, Tsuyoshi Deguchi
There is ongoing controversy regarding the most appropriate surgical treatment for lumbar spinal stenosis (LSS) with concurrent degenerative lumbar scoliosis (DLS): decompression alone, decompression with limited spinal fusion, or long spinal fusion for deformity correction. The coexistence of degenerative stenosis and deformity is a common scenario; Nonetheless, selecting the appropriate surgical intervention requires thorough understanding of the patients clinical symptomatology as well as radiographic parameters...
February 1, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28158159/full-endoscopic-assisted-lumbar-decompressive-surgery-performed-in-an-outpatient-ambulatory-facility-report-of-5-years-of-complications-and-risk-factors
#16
Solomon Kamson, Andrea M Trescot, Paul D Sampson, Yiyi Zhang
BACKGROUND: Minimally invasive surgery (MIS) technique is becoming the standard tissue sparing approach for decompression of lumbar central and lateral recess stenosis, intervertebral disc herniation, or any situation that would have required extensive open decompression laminectomy. Full-endoscopic or arthroscopic assisted surgery is arguably the "ultra-MIS" approach to lumbar spinal pathology. Age and body mass index (BMI) are significant risk factors to be considered in full-endoscopic assisted ultra-MIS...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28156203/feasibility-of-iterative-model-reconstruction-for-unenhancedlumbar-ct
#17
Yuji Iyama, Takeshi Nakaura, Ayumi Iyama, Masafumi Kidoh, Kazuhiro Katahira, Seitaro Oda, Daisuke Utsunomiya, Yasuyuki Yamashita
Purpose To evaluate the image quality and interobserver reproducibility of unenhanced lumbar spinal computed tomography (CT) images reconstructed with iterative model reconstruction (IMR). Materials and Methods This prospective study was approved by the local ethics committee, and written informed consent was obtained from all patients. The study included 34 patients scanned with unenhanced CT and magnetic resonance (MR) imaging for lumbar canal spinal stenosis. The CT images were reconstructed with filtered back projection (FBP), hybrid iterative reconstruction (HIR), and IMR...
February 2, 2017: Radiology
https://www.readbyqxmd.com/read/28153626/contralateral-interlaminar-keyhole-percutaneous-endoscopic-surgery-in-patients-with-unilateral-radiculopathy-technical-notes
#18
Jae Ha Hwang, Cheul Woong Park
OBJECTIVE: Percutaneous endoscopic surgery is increasingly used as an alternative to open microsurgery for treating lumbar spinal diseases. The purpose of this study was to determine the feasibility and efficacy of contralateral keyhole endoscopic surgery (CKES) for treating unilateral radiculopathy. METHODS: We performed percutaneous endoscopic sublaminar decompression via the contralateral interlaminar approach in 14 patients with unilateral radiculopathy. All procedures were performed under epidural anesthesia...
January 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28127375/predictors-of-reoperation-after-microdecompression-in-lumbar-spinal-stenosis
#19
Hee-Jong Hwang, Hyung-Ki Park, Gwang-Soo Lee, June-Young Heo, Jae-Chil Chang
OBJECTIVE: The risk factors of reoperation after microdecompression (MD) for lumbar spinal stenosis (LSS) are unclear. In this study, we presented the outcomes of MD for degenerative LSS and investigated the risk factors associated with reoperation. METHODS: A retrospective review was conducted using the clinical records and radiographs of patients with LSS who underwent MD. For clinical evaluation, we used the Japanese Orthopedic Association (JOA) scoring system for low back pain, body mass index, and Charlson comorbidity index...
December 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/28123921/relief-of-lumbar-symptoms-after-cervical-decompression-in-patients-with-tandem-spinal-stenosis-presenting-with-primarily-lumbar-pain
#20
Daniel R Felbaum, Islam Fayed, Jeffrey J Stewart, Faheem A Sandhu
OBJECTIVE: Tandem cervical and lumbar spinal stenosis (TSS) is classically described as intermittent claudication, gait disturbance, and clinical findings of mixed myelopathy and polyradiculopathy. Rarely, patients can present with TSS manifesting in isolated lumbar pain. Several reports have demonstrated improved lumbar back pain and radiculopathy after decompressive cervical spine procedures. We present six patients with dramatic resolution of lumbar spine related symptoms after decompression of the cervical spinal cord despite presenting solely with lower back complaints...
December 24, 2016: Curēus
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