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https://www.readbyqxmd.com/read/28822738/a-study-of-the-damage-behaviour-of-porcine-intervertebral-discs-in-a-bioreactor-environment
#1
M Azarnoosh, M Stoffel, B Markert
The intervertebral discs are cartilaginous, articulating structures that lie between vertebral bodies, allowing flexibility, transmission, modification, and also distribution of the forces to the spinal column. Disc degeneration is characterised by progressive loss of disc height and exaggerated radial bulging. Therefore, the spine becomes shorter, stiffer, and less mobile. In the last several decades, there is a strong need for a tissue engineering strategy that alleviates pain and restores spine function by directly addressing the underlying biological causes of disc degeneration...
August 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28781913/nursing-review-section-of-surgical-neurology-international-evaluation-of-cervical-disc-disease-and-when-surgery-is-warranted
#2
REVIEW
Nancy E Epstein, Renee D Hollingsworth
BACKGROUND: Patients with cervical disc disease may present with radiculopathy (root compression), myelopathy (cord compression), or myeloradiculopathy. These complaints must be correlated with x-ray, magnetic resonance (MR) imaging, and computed tomographic (CT) scans. Although most patients can be managed nonsurgically, those with significant neurological deficits and larger disc herniations may require surgery. METHODS: The symptoms of cervical radiculopathy include pain radiating down one or both arms, while myelopathy may result in more diffuse numbness tingling or weakness in the upper and/or lower extremities...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28781912/nursing-review-section-of-surgical-neurology-international-part-1-lumbar-disc-disease
#3
Nancy E Epstein, Renee D Hollingsworth
BACKGROUND: Patients with lumbar disc disease may present with low back pain, pain that radiates down into the lower extremity (radiculopathy), and leg pain that increases with ambulation (neurogenic claudication). Patients may first undergo diagnostic studies [(magnetic resonance imaging (MRI) and computed tomographic (CT) examinations] to determine whether there is any significant nerve root or thecal sac compression. METHODS: Increasingly, patients with low back pain with/without radiculopathy are being screened by nurses rather than by neurologists or neurosurgeons/orthopedists...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28772379/determination-of-material-strengths-by-hydraulic-bulge-test
#4
Hankui Wang, Tong Xu, Binan Shou
The hydraulic bulge test (HBT) method is proposed to determine material tensile strengths. The basic idea of HBT is similar to the small punch test (SPT), but inspired by the manufacturing process of rupture discs-high-pressure hydraulic oil is used instead of punch to cause specimen deformation. Compared with SPT method, the HBT method can avoid some of influence factors, such as punch dimension, punch material, and the friction between punch and specimen. A calculation procedure that is entirely based on theoretical derivation is proposed for estimate yield strength and ultimate tensile strength...
December 30, 2016: Materials
https://www.readbyqxmd.com/read/28733922/effect-of-collagen-fibre-orientation-on-intervertebral-disc-torsion-mechanics
#5
Bo Yang, Grace D O'Connell
The intervertebral disc is a complex fibro-cartilaginous material, consisting of a pressurized nucleus pulposus surrounded by the annulus fibrosus, which has an angle-ply structure. Disc injury and degeneration are noted by significant changes in tissue structure and function, which significantly alters stress distribution and disc joint stiffness. Differences in fibre orientation are thought to contribute to changes in disc torsion mechanics. Therefore, the objective of this study was to evaluate the effect of collagen fibre orientation on internal disc mechanics under compression combined with axial rotation...
July 21, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28664021/abdominal-flank-bulging-after-lateral-retroperitoneal-approach-a-case-report
#6
Jeong-Hoon Choi, Jee-Soo Jang, Il-Tae Jang
The lateral transpsoas approach to access the vertebrae obviates the need for an approach surgeon and minimizes muscular disruption, thus allowing for quicker recovery. Several reports on the lateral transpsoas procedure have described few complications. However, the development of an unsightly and painful abdominal flank bulge is a largely under-recognized and very rare complication of the lateral transpsoas approach. A 59-year-old man suffered from back pain and bilateral posterior leg pain. Computed tomography (CT) scan and MRI showed retrolisthesis at L3-4, L2 wedge vertebrae with kyphosis, left L4 screw loosening, and L3-4 disc herniation with central canal stenosis...
January 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28663652/clonidine-as-an-adjuvant-in-fluoroscopic-guided-transforaminal-epidural-steroid-injection-in-a-patient-of-chronic-lumbosacral-radiculopathy
#7
Nandita Mehta, Misbah Salaria, A Q Salaria
Transforaminal epidural steroid injection (TFESI) is a minimally invasive modality used to treat patients with lumbosacral radiculopathy secondary to prolapsed intervertebral disc or spinal canal stenosis. In this case report, we describe the management of a patient with chronic lumbosacral radiculopathy secondary to intervertebral disc herniation which was seen as a right paracentral disc protrusion at levels L4-L5, L5-S1 causing thecal sac indentation, effacement of the right lateral recess and right exiting nerve root impingement as was seen on the magnetic resonance image...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28625905/the-influence-of-mri-features-on-surgical-decision-making-in-degenerative-cervical-myelopathy-results-from-a-global-survey-of-aospine-international-members
#8
Aria Nouri, Allan R Martin, Anick Nater, Christopher D Witiw, So Kato, Lindsay Tetreault, Hamed Reihani-Kermani, Carlo Santaguida, Michael G Fehlings
OBJECTIVE: We conducted a survey to understand how specific pathologic features on MRI influence surgeons toward an anterior or posterior surgical approach in Degenerative Cervical Myelopathy (DCM) . METHODS: A questionnaire was sent out to 6,179 AOSpine International members via email. This included 18 questions on a 7-point Likert scale regarding how MRI features influence the respondent's decision to perform an anterior or posterior surgical approach. Influence was classified based on the mean and mode...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28606581/the-effect-of-single-level-disc-degeneration-on-dynamic-response-of-the-whole-lumbar-spine-to-vertical-vibration
#9
Li-Xin Guo, Wei Fan
OBJECTIVE: The objective of this study was to investigate the effect of single-level disc degeneration on dynamic response of the whole lumbar spine to vertical whole body vibration that is typically present when driving vehicles. METHODS: Ligamentous finite element models of the lumbar L1-S1 motion segment in different grades of degeneration (healthy, mild and moderate) at L4-L5 level were developed with consideration of changing disc height and material properties of the nucleus pulpous...
June 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28576456/clinical-fundoscopic-tomographic-and-angiographic-characteristics-of-dome-shaped-macula-classified-by-bulge-height
#10
J Fajardo Sánchez, C E Chau Ramos, J A Roca Fernández, J L Urcelay Segura
OBJECTIVE: To classify dome shaped macula cases by their bulge height (BH). To analyse the characteristics associated with the groups formed by this classification. METHODS: Observational, descriptive and cross-sectional study on 15 selected eyes with dome shaped macula and high myopia. Using Caillaux method and optical coherence tomography images, 3groups were determined by their BH: low (50-350 μ), medium (351-650 μ), and high (>650 μ), and a study of visual acuity, axial length, presence of subfoveal serous detachment, and images by fluorescein angiography and optic coherence tomography, as main variables...
May 30, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28557967/-the-assessment-of-the-impact-of-rehabilitation-on-the-pain-intensity-level-in-patients-with-herniated-nucleus-pulposus-of-the-intervertebral-disc
#11
Kamil Koszela, Sylwia Krukowska, Marta Woldańska-Okońska
Back pain may be caused by many factors. In many cases it is difficult to unambiguously determine a cause of the pathology, which can involve various structures in the spine. In this paper we will discuss the symptoms associated with the degenerative changes of the intervertebral disc, which involve, among others, its bulging, dislocation and pressure on the surrounding structures. These problems require an adequate clinical and imaging diagnostics in order to implement an appropriate treatment. In the first place, it should be based on the conservative methods (such as: pharmacotherapy, rehabilitation and lifestyle changes)...
May 23, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28538593/dynamic-response-of-the-lumbar-spine-to-whole-body-vibration-under-a-compressive-follower-preload
#12
Li-Xin Guo, Wei Fan
STUDY DESIGN: A finite element study of dynamic response of the lumbar spine to whole-body vibration. OBJECTIVE: To develop and validate a finite element model for exploring the impact of whole-body vibration on the entire lumbar spine with a compressive follower preload applied. SUMMARY OF BACKGROUND DATA: Several finite element studies have investigated the biodynamic characteristics of the human lumbar spine when exposed to whole-body vibration...
May 22, 2017: Spine
https://www.readbyqxmd.com/read/28534073/surgical-treatment-of-intraforaminal-extraforaminal-lumbar-disc-herniations-many-approaches-for-few-surgical-routes
#13
REVIEW
Giorgio Lofrese, Lorenzo Mongardi, Francesco Cultrera, Giorgio Trapella, Pasquale De Bonis
BACKGROUND: Several disc disease nomenclatures and approaches for LDH exist. The traditional midline bone-destructive procedures together with approaches requiring extreme muscular retraction are being replaced by muscle sparing, targeted, stability-preserving surgical routes. The increasing speculation on LDHs and the innovative corridors described to treat them have lead to an extensive production of papers frequently treating the same topic but adopting different terminologies and reporting contradictory results...
July 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28507834/clinical-and-radiological-improvement-following-ozone-disc-nucleolysis-a-case-report
#14
Sharad Ghatge, Pranav D Modi, Dhaval B Modi
The results of traditional open surgery for herniated intervertebral disc are often limited by complications and failed back surgery syndrome (FBSS). Over the past few decades, a considerable amount of research has been done in the field of minimally invasive procedures as a treatment option for herniated intervertebral disc disease. Ozone disc nucleolysis is one such procedure which has results equal to or better than traditional surgery with virtually no complications. A 27-year-old post-partum female presented to the clinic with acute onset of severe lower back pain radiating to the left lower limb for one month...
April 13, 2017: Curēus
https://www.readbyqxmd.com/read/28491203/traumatic-lumbar-vertebral-ring-apophysis-fracture-with-disk-herniation-in-an-adolescent
#15
Geetanjalee Kadam, Kaustubh Narsinghpura, Sonali Deshmukh, Sanjay Desai
We present a case of a 15-year-old male with history of back pain and bilateral lower limb radiculopathy due to fall. The magnetic resonance imaging scan showed disc bulge at L2-L3 level causing compression on contained nerve roots. In this case, computed tomography scan was indispensable for diagnosis and classification of the vertebral apophyseal fracture and to guide appropriate further management. Apophyseal ring fracture is an uncommon cause of back pain with radiculopathy in adolescents and athletes. High degree of suspicion is necessary to differentiate these injuries from disc herniation so as to further guide appropriate conservative or surgical management...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28392945/pitfalls-in-interventional-pain-medicine-hyponatremia-after-ddavp-for-a-patient-with-von-willebrand-disease-undergoing-an-epidural-steroid-injection
#16
Talal W Khan, Abdulraheem Yacoub
Desmopressin (DDAVP), a synthetic analog of vasopressin, has been used in patients with von Willebrand disease (VWD), mild hemophilia A, and platelet dysfunction to reduce the risk of bleeding associated with surgical and interventional procedures. We report the case of a patient with VWD presenting with a bulging disc and radicular pain that underwent transforaminal epidural steroid injections. Her course was complicated with the interval development of headaches and dizziness symptomatic of moderate hyponatremia, likely due to excessive fluid intake...
2017: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/28243372/histopathological-analysis-of-ligamentum-flavum-in-lumbar-spinal-stenosis-and-disc-herniation
#17
Idiris Altun, Kasım Zafer Yüksel
STUDY DESIGN: Histopathological analyses were performed in ligamentum flavum (LF) hypertrophy patients with lumbar spinal stenosis (LSS) and lumbar disc herniation (LDH). PURPOSE: The aim of the present study was to evaluate histopathological changes in LF patients with LSS and LDH. OVERVIEW OF LITERATURE: LSS is the most common spinal disorder in elderly patients. This condition causes lower back and leg pain and paresis, and occurs as a result of degenerative changes in the lumbar spine, including bulging of the intervertebral discs, bony proliferation of the facet joints, and LF thickening; among these, LF thickening is considered a major contributor to the development of LSS...
February 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28129548/a-preliminary-randomised-control-trial-of-the-effects-of-dru-yoga-on-psychological-well-being-in-northern-irish-first-time-mothers
#18
RANDOMIZED CONTROLLED TRIAL
Deirdre Timlin, Ellen Elizabeth Anne Simpson
BACKGROUND: the transition to motherhood can be stressful, especially for first time mothers. Recent research has shown that yoga can be effective for enhancing psychological well-being. OBJECTIVES: the purpose of this study was to establish if a postpartum Dru yoga intervention improves psychological well-being in first time mothers. DESIGN: a randomised controlled study was conducted. SETTING AND PARTICIPANTS: first time mothers were recruited from a Sure Start Community Centre and included in the study if they had a baby aged between 6 weeks to one-year-old...
March 2017: Midwifery
https://www.readbyqxmd.com/read/28042726/hybrid-cervical-disc-arthroplasty
#19
Tsung-Hsi Tu, Jau-Ching Wu, Henrich Cheng, Praveen V Mummaneni
For patients with multilevel cervical stenosis at nonadjacent segments, one of the traditional approaches has included a multilevel fusion of the abnormal segments as well as the intervening normal segment. In this video we demonstrate an alternative treatment plan with tailored use of a combination of anterior cervical discectomy and fusion (ACDF) and cervical disc arthroplasty (CDA) with an intervening skipped level. The authors present the case of a 72-year-old woman with myeloradiculopathy and a large disc herniation with facet joint degeneration at C3-4 and bulging disc at C5-6...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28028952/mastalgia-due-to-degenerative-changes-of-the-spine
#20
Okay Pirti, Aziz M Barlas, Serdar Kuru, Selim Temel, Mustafa K Urhan, Kemal Kismet, Adnan Hasanoglu, Osman Guler
BACKGROUND: Mastalgia is a common and enigmatic condition; the cause and optimal treatment are still inadequately defined. Cervical radiculopathy, which is the result of cervical nerve root pathology often caused by spaceoccupying lesions such as cervical disc herniation, spondylosis, or osteophytosis, is frequently encountered in physical therapy. OBJECTIVES: The aim of the study was to evaluate the incidence of vertebral pathologies in patients with non-cyclic mastalgia and the efficacy of conservative treatment of these pathologies on relieving breast pain...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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