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https://www.readbyqxmd.com/read/29057987/magnetic-resonance-imaging-features-of-dogs-with-incomplete-recovery-after-acute-severe-spinal-cord-injury
#1
Melissa J Lewis, Eli B Cohen, Natasha J Olby
STUDY DESIGN: Retrospective case series. OBJECTIVES: Describe the magnetic resonance imaging (MRI) features of dogs chronically impaired after severe spinal cord injury (SCI) and investigate associations between imaging variables and residual motor function. SETTING: United States of America. METHODS: Thoracolumbar MRI from dogs with incomplete recovery months to years after clinically complete (paralysis with loss of pain perception) thoracolumbar SCI were reviewed...
October 23, 2017: Spinal Cord
https://www.readbyqxmd.com/read/29049074/physiology-and-role-of-intraocular-pressure-in-contemporary-anesthesia
#2
Dermot J Kelly, Sinéad M Farrell
More than 26 million Americans suffer with cataracts, and with 3.6 million cataract extractions performed annually in the United States, it is the most common surgical procedure. The integrity of the delicate structures of the eye that mediate vision is dependent on the intraocular pressure (IOP). Yet, IOP acts to compress the vessels within the globe-akin to a Starling resistor-and is a key component that determines the ocular perfusion pressure, defined as the difference between arterial pressure and IOP...
October 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29019804/quantification-of-propionic-acid-in-the-bovine-spinal-disk-after-infection-of-the-tissue-with-p-acnes-bacteria
#3
Sergey Magnitsky, Stefan Dudli, Xinyan Tang, Jaskanwaljeet Kaur, Joycelyn Diaz, Steve Miller, Jeffrey C Lotz
STUDY DESIGN: Research OBJECTIVE.: The goal of this study was to investigate whether P. acnes infection of the intervertebral disc can be detected noninvasively by NMR spectroscopy. SUMMARY OF BACKGROUND DATA: Microbiological studies of surgical samples suggest that a significant subpopulation of back pain patients may have occult disc infection with P. acnes bacteria. This hypothesis is further supported by a double-blind clinical trial showing that back pain patients with Modic type 1 changes may respond to antibiotic treatment...
October 10, 2017: Spine
https://www.readbyqxmd.com/read/29019639/spine-conditions-cervical-spine-conditions
#4
Marc A Childress
There are a variety of causes of neck pain, including trauma and degenerative changes. The history of onset helps to direct evaluation, including the need for imaging or ancillary testing. Patterns of pain, weakness, and other specific physical examination findings also aid in diagnosis. Management of most soft tissue injuries involves early mobilization, whereas fractures are managed based on patterns of instability. Acute spinal cord injury requires emergent care, to include possible decompressive surgery...
October 2017: FP Essentials
https://www.readbyqxmd.com/read/28960477/real-time-ultrasound-assessment-of-astronaut-spinal-anatomy-and-disorders-on-the-international-space-station
#5
Kathleen M Garcia, Michael F Harrison, Ashot E Sargsyan, Douglas Ebert, Scott A Dulchavsky
OBJECTIVES: Back pain is one of the most common conditions of astronauts during spaceflight and is hypothesized to be attributed to pathologic anatomic changes. Ultrasound (US) represents the only available imaging modality on the International Space Station, but a formal US protocol for imaging the structures of the spinal column does not exist. This investigation developed a method of acquiring diagnostic-quality images of the anterior lumbar and cervical regions of the spine during long-duration spaceflight...
September 29, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28955299/the-pathogenesis-of-ventral-idiopathic-herniation-of-the-spinal-cord-a-hypothesis-based-on-the-review-of-the-literature
#6
Ronald H M A Bartels, Han Brunner, Allard Hosman, Nens van Alfen, J André Grotenhuis
Idiopathic ventral herniation of the spinal cord (SC) is not often encountered in daily practice. Its clinical prevalence, however, will increase through increasing awareness and more frequent use of MRI. A clear explanation of its pathophysiology has never been formulated. It was hypothesized that the findings during surgery might indicate the real causative mechanism. An extensive literature search was performed, using Embase, PubMed, and Google Scholar. Titles and abstracts were screened by two investigators, using strict inclusion and exclusion criteria...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28948122/a-case-of-persistent-low-back-pain-in-a-young-female-caused-by-a-trauma-induced-schmorl-s-node-in-the-lumbar-spine-five-vertebra
#7
Kurt M Mohty, Divneet Mandair, Brent Munroe, Deborah Baldemor
Physicians are often faced with managing difficult conditions such as chronic lower back pain. Intervertebral disk herniation typically occurs horizontally, leading to impingement of the spinal cord which can potentially cause radicular symptoms or other spinal cord pathologies; however, disk herniations can also occur vertically and extend through the endplate of an adjacent cranial or caudal vertebra: a phenomenon known as a Schmorl's node. Although Schmorl's nodes can be seen in many asymptomatic individuals, they can be a cause of degenerative disk disease and low back pain...
July 21, 2017: Curēus
https://www.readbyqxmd.com/read/28914655/percutaneous-nucleoplasty-for-the-treatment-of-a-contained-cervical-disk-herniation
#8
Judith D de Rooij, Pravesh S Gadjradj, John S Soria van Hoeve, Frank J Huygen, Hans A Aukes, Biswadjiet S Harhangi
Cervical radiculopathy is characterized by compression of the roots of the nerve. When conservative treatment fails and symptoms persist or increase in severity, surgical treatment is considered. Anterior cervical discectomy with or without fusion is regarded as the standard treatment for cervical disk herniation. Recently, there is an evolving trend in spinal surgery towards less invasive techniques. Nucleoplasty is a minimally invasive technique in which radiofrequency technology is used for percutaneous decompression...
November 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28846710/apparent-diffusion-coefficient-maps-in-the-assessment-of-surgical-patients-with-lumbar-spine-degeneration
#9
Evgenii Belykh, Andrey A Kalinin, Arpan A Patel, Eric J Miller, Michael A Bohl, Ivan A Stepanov, Liudmila A Bardonova, Talgat Kerimbaev, Anton O Asantsev, Morgan B Giers, Mark C Preul, Vadim A Byvaltsev
PURPOSE: To assess the utility of apparent diffusion coefficient (ADC) maps for the assessment of patients with advanced degenerative lumbar spine disease and describe characteristic features of ADC maps in various degenerative lumbar spinal conditions. METHODS: T1-weighted, T2-weighted and diffusion weighted (DWI) MR images of 100 consecutive patients admitted to the spinal surgery service were assessed. ADC maps were generated from DWI images using Osyrix software...
2017: PloS One
https://www.readbyqxmd.com/read/28803171/open-versus-minimally-invasive-surgery-for-extraforaminal-lumbar-disk-herniation-a-systematic-review-and-meta-analysis
#10
REVIEW
Oluwaseun O Akinduro, Panagiotis Kerezoudis, Mohammed Ali Alvi, Jangwon Yoon, Jamachi Eluchie, Hasan M Murad, Zhen Wang, Selby G Chen, Mohamad Bydon
INTRODUCTION: Extraforaminal disk herniation (EDH) accounts for 3-11% of all disk herniations. Despite the heterogeneity of spinal procedures, there is a paucity of literature comparing the outcomes from different surgical approaches. METHODS: We performed a systematic review and meta-analysis of available literature on EDHs. We compared patients undergoing open surgery (OS) with those undergoing minimally invasive surgery (MIS) approaches, including tubular microscopic, percutaneous endoscopic, and micro-endoscopic...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28796075/muscle-gap-approach-under-a-minimally-invasive-channel-technique-for-treating-long-segmental-lumbar-spinal-stenosis-a-retrospective-study
#11
Yang Bin, Wang De Cheng, Wang Zong Wei, Li Hui
This study aimed to compare the efficacy of muscle gap approach under a minimally invasive channel surgical technique with the traditional median approach.In the Orthopedics Department of Traditional Chinese and Western Medicine Hospital, Tongzhou District, Beijing, 68 cases of lumbar spinal canal stenosis underwent surgery using the muscle gap approach under a minimally invasive channel technique and a median approach between September 2013 and February 2016. Both approaches adopted lumbar spinal canal decompression, intervertebral disk removal, cage implantation, and pedicle screw fixation...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28780621/an-international-consensus-on-the-appropriate-evaluation-and-treatment-for-adults-with-spinal-deformity
#12
Sigurd H Berven, Steven J Kamper, Niccole M Germscheid, Benny Dahl, Christopher I Shaffrey, Lawrence G Lenke, Stephen J Lewis, Kenneth M Cheung, Ahmet Alanay, Manabu Ito, David W Polly, Yong Qiu, Marinus de Kleuver
PURPOSE: Evaluation and surgical management for adult spinal deformity (ASD) patients varies between health care providers. The purpose of this study is to identify appropriateness of specific approaches and management strategies for the treatment of ASD. METHODS: From January to July 2015, the AOSpine Knowledge Deformity Forum performed a modified Delphi survey where 53 experienced deformity surgeons from 24 countries, rated the appropriateness of management strategies for multiple ASD clinical scenarios...
August 5, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28765807/the-influence-of-lordotic-cages-on-creating-sagittal-balance-in-the-cmis-treatment-of-adult-spinal-deformity
#13
Neel Anand, Ryan B Cohen, Jason Cohen, Babak Kahndehroo, Sheila Kahwaty, Eli Baron
BACKGROUND: CMIS techniques are heavily dependent on placement of lateral interbody cages. Cages with an increased lordotic angle are being advocated to improve segmental lordosis and SVA. We assessed the segmental lordosis achieved with the individual cages. We further studied three variables and the effect each had on segmental lordosis: the lordosis angle of the cage, the position of the cage in the intervertebral space, and the level that it has been placed. METHODS: This is a retrospective study of 66 consecutive patients who underwent lateral interbody fusion using lordotic cages as part of CMIS correction of scoliosis from June 2012 to January 2016...
2017: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/28757523/operative-techniques-of-percutaneous-endoscopic-mini-hemilaminectomy-using-a-uniportal-approach-in-dogs
#14
Hee-Sup Moon, Yong-Hyun Hwang, Hee-Chun Lee, Jae-Hoon Lee
The present study aimed to investigate the technical feasibility of percutaneous endoscopic mini-hemilaminectomy via a uniportal approach, and to evaluate the possibility of decompression and endoscopic examination of the thoracic and lumbar spinal canals in small dogs during such procedures. Fresh canine cadavers of mixed-breed dogs (n=7) were used in this study. Following injection of a barium and agarose mixture (BA-gel) to stimulate intervertebral disc herniation, percutaneous endoscopic mini-hemilaminectomy was performed using a lateral approach to the thoracic and lumbar vertebrae...
September 12, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28756059/spinenet-automated-classification-and-evidence-visualization-in-spinal-mris
#15
Amir Jamaludin, Timor Kadir, Andrew Zisserman
The objective of this work is to automatically produce radiological gradings of spinal lumbar MRIs and also localize the predicted pathologies. We show that this can be achieved via a Convolutional Neural Network (CNN) framework that takes intervertebral disc volumes as inputs and is trained only on disc-specific class labels. Our contributions are: (i) a CNN architecture that predicts multiple gradings at once, and we propose variants of the architecture including using 3D convolutions; (ii) showing that this architecture can be trained using a multi-task loss function without requiring segmentation level annotation; and (iii) a localization method that clearly shows pathological regions in the disc volumes...
July 21, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28750870/-impact-of-obesity-in-the-pathophysiology-of-degenerative-disk-disease-and-in-the-morbidity-and-outcome-of-lumbar-spine-surgery
#16
Pedro David Delgado-López, José Manuel Castilla-Díez
Obesity (BMI>30Kg/m(2)) is a pandemic with severe medical and financial implications. There is growing evidence that relates certain metabolic processes within the adipose tissue, preferentially abdominal fat, with a low-intensity chronic inflammatory state mediated by adipokines and other substances that favor disk disease and chronic low back pain. Obesity greatly conditions both the preoperative evaluation and the spinal surgical technique itself. Some meta-analyses have confirmed an increase of complications following lumbar spine surgery (mainly infections and venous thrombosis) in obese subjects...
July 24, 2017: Neurocirugía
https://www.readbyqxmd.com/read/28739516/endopelvic-approach-for-iliac-crest-bone-harvesting
#17
Sebastien Le Pape, Remi Gauthe, Laure Du Pouget, Olivier Gille, Jean-Marc Vital, Mourad Ould-Slimane
BACKGROUND: The anterior approach to lumbar spine surgery has grown in popularity in the past few years; spinal fusion of the last 2 lumbar levels is often required. Although alternatives to bone grafting are available, including recombinant human bone morphogenetic protein 2 or bone substitutes, only cancellous autologous bone has all the required factors for bone growth. To avoid the use of bone substitutes, remote iliac crest bone harvesting remains the gold standard. However, this technique may lead to some unfavorable outcomes...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28692908/surgical-outcomes-of-laminoplasty-for-cervical-spondylotic-myelopathy-in-very-elderly-patients-older-than-80-years-time-from-symptom-onset-to-surgery-and-changes-in-spinal-cord-signal-intensity-on-mri
#18
Naoki Notani, Masashi Miyazaki, Shozo Kanezaki, Toshinobu Ishihara, Hiroshi Tsumura
OBJECTIVE: We aimed to assess the surgical outcomes of laminoplasty for cervical spondylotic myelopathy (CSM) in very elderly patients (older than 80 years), focusing specifically on the time from symptom onset to surgery and on the loss in spinal cord signal intensity on magnetic resonance imaging (MRI). PATIENTS AND METHODS: We retrospectively reviewed 100 consecutive patients (61 males and 39 females) with CSM who underwent laminoplasty between 2006 and 2014...
September 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28676057/prevalence-of-neurological-disorders-in-french-bulldog-a-retrospective-study-of-343-cases-2002-2016
#19
Vincent Mayousse, Loïc Desquilbet, Aurélien Jeandel, Stéphane Blot
BACKGROUND: French Bulldog (FB) has significantly gained in popularity over the last few years, and seems to be frequently affected by various neurological conditions. The purpose of this retrospective study was to report the prevalences of neurological diseases in a large population of FB, presented with neurological signs between 2002 and 2016, and for which a definitive diagnosis was established. A secondary objective was to identify epidemiological characteristics regarding specific diseases in this singular breed...
July 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28632548/are-modic-changes-able-to-help-us-in-our-clinical-practice-a-study-of-the-modic-changes-in-young-adults-during-working-age
#20
José V Martínez-Quiñones, José Aso-Escario, Laura González-García, Fabián Consolini, Ricardo Arregui-Calvo
STUDY DESIGN: Modic changes [vertebral endplate spinal changes (VESC)] have been related to degenerative disk disease, and in past decades it was thought that their presence justified the surgical treatment, in particular spinal fusion. OBJECTIVE: The aim of the present study is to investigate its prevalence and features in a population of young workers suffering from low back pain, and explore the eventual relationship with the treatment applied in each case. BACKGROUND DATA: We conducted a retrospectively review of 450 magnetic resonance images from our hospital, in patients with low back pain or sciatica and age below 40...
July 2017: Clinical Spine Surgery
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