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https://www.readbyqxmd.com/read/28632561/early-postoperative-magnetic-resonance-imaging-in-detecting-radicular-pain-after-lumbar-decompression-surgery-retrospective-study-of-the-relationship-between-dural-sac-cross-sectional-area-and-postoperative-radicular-pain
#1
Toshimasa Futatsugi, Jun Takahashi, Hiroki Oba, Shota Ikegami, Yuji Mogami, Syunichi Shibata, Yoshihito Ohji, Hirotaka Tanikawa, Hiroyuki Kato
STUDY DESIGN: A retrospective analysis. OBJECTIVE: To evaluate the association between early postoperative dural sac cross-sectional area (DCSA) and radicular pain. SUMMARY OF BACKGROUND DATA: The correlation between postoperative magnetic resonance imaging (MRI) findings and postoperative neurological symptoms after lumbar decompression surgery is controversial. METHODS: This study included 115 patients who underwent lumbar decompression surgery followed by MRI within 7 days postoperatively...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28626288/assessment-of-radicular-dentin-permeability-after-irradiation-with-co2-laser-and-endodontic-irrigation-treatments-with-thermal-imaging
#2
Heajin Cho, Robert C Lee, Kenneth H Chan, Daniel Fried
Previous studies have demonstrated that the permeability changes due to the surface modification of dentin can be quantified via thermal imaging during dehydration. The CO2 laser has been shown to remove the smear layer and disinfect root canals. Moreover, thermal modification via CO2 laser irradiation can be used to convert dentin into a highly mineralized enamel-like mineral. The purpose of this study is to evaluate the radicular dentin surface modification after CO2 laser irradiation by measuring the permeability with thermal imaging...
January 28, 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28621323/a-robust-methodology-for-the-quantitative-assessment-of-the-rat-jawbone-microstructure
#3
Marissa Chatterjee, Fernanda Faot, Cassia Correa, Joke Duyck, Ignace Naert, Katleen Vandamme
Micro-computed tomography can be applied for the assessment of the micro-architectural characteristics of the cortical and trabecular bones in either physiological or disease conditions. However, reports often lack a detailed description of the methodological steps used to analyse these images, such as the volumes of interest, the algorithms used for image filtration, the approach used for image segmentation, and the bone parameters quantified, thereby making it difficult to compare or reproduce the studies...
June 16, 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/28615027/influence-of-interradicular-and-palatal-placement-of-orthodontic-mini-implants-on-the-success-survival-rate
#4
Jan Hourfar, Dirk Bister, Georgios Kanavakis, Jörg Alexander Lisson, Björn Ludwig
BACKGROUND: The purpose of this retrospective cohort study was to investigate the success rates of orthodontic mini-implants (OMIs) placed in different insertion sites and to analyse patient and site- related factors that influence mini-implant survival. METHODS: Three hundred eighty-seven OMIs were inserted in 239 patients for orthodontic anchorage and were loaded with a force greater than 2 N. Two different insertion sites were compared: 1. buccal inter-radicular and 2...
June 14, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28610931/can-cyst-volume-be-used-to-stratify-risk-of-complications-following-cyst-defect-reconstruction-with-iliac-crest-graft
#5
Ali-Farid Safi, Andrea Grandoch, Timo Dreiseidler, Hans-Joachim Nickenig, Joachim Zöller, Matthias Kreppel
INTRODUCTION: The role of the volume of radicular and dentigerous cysts on clinical symptoms is unclear and potentially may predict development of pre- and postoperative complications, especially after cystectomies with large bony defects. Therefore the aim of this study was to assess pre- and postoperative symptoms associated to the volume of jaw cysts. MATERIAL AND METHODS: Retrospective chart review of 111 patients with follicular or dentigerous cysts from 2008-2012...
May 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28606606/potential-risks-of-using-cement-augmented-screws-for-spinal-fusion-in-patients-with-low-bone-quality
#6
M Martín-Fernández, A López-Herrradón, A R Piñera, F Tomé-Bermejo, J M Duart, M D Vlad, M G Rodríguez-Arguisjuela, L Álvarez-Galovich
BACKGROUND CONTEXT: Dramatic increases in the average life expectancy have led to increases in the variety of degenerative changes and deformities observed in the aging spine. The elderly population can present challenges for spine surgeons, not only because of increased comorbidities, but also because of the quality of their bones. Pedicle screws are the implants used most commonly in spinal surgery for fixation, but their efficacy depends directly on bone quality. While PMMA-augmented screws represent an alternative for patients with osteoporotic vertebrae, their use has raised some concerns due to the possible association between cement leakages (CLs) and other morbidities...
June 9, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28600230/cytokine-and-chemokine-profile-changes-in-patients-with-lower-segment-lumbar-degenerative-spondylolisthesis
#7
Juraj Sutovsky, Martin Benco, Martina Sutovska, Michaela Kocmalova, Lenka Pappova, Juraj Miklusica, Andrej Frano, Egon Kurca
BACKGROUND: Lumbar degenerative spondylolisthesis (DS) develops as a result of inflammatory and remodeling processes in facet joints (FJs). Several inflammatory cytokines are involved in the osteoarthritic and remodeling changes that occur and in low-back and/or radicular pain, the most prevalent clinical symptom of disease. This study improves knowledge related to the roles that 27 cytokines, chemokines and growth factors play in the pathophysiology of lumbar DS. MATERIAL AND METHODS: Cytokine levels were examined using capture sandwich immunoassay using the Bio-Plex(®) 200 System and the Bio-PlexTM Human Cytokine Standard 27-Plex, Group I (Bio-Rad, Hercules, California, USA) separately in intervertebral discs (IVDs) and FJ bone tissue...
June 6, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28586588/outcome-analysis-of-two-different-injection-solutions-for-epidural-injection-in-radicular-lumbar-backache-syndromes
#8
Muhammad Saqib, Sajid Nazir Bhatti, Muhammad Ayaz Khan, Khalid Samad, Muhammad Mukhtar Khan, Ehtisham Mukhtar Khan Afridi, Rubaiqa Khan, Muhammad Imran Khan
OBJECTIVE: Backache is a significant source of disability and suffering in our society. The treatment modalities need continued enhancement in order to achieve the desired goals of lowering morbidity and financial losses while improving the response of the patient. METHODS: This prospective comparative study was conducted at the department of Orthopaedics and Spine Surgery, Khyber Teaching Hospital Peshawar from July 2013 to June 2015. Two interventional groups were designated; Group 1 was comprised of 54 patients who were injected with epidural bupivacaine plus methylprednisolone while Group 2 included 55 patients who were injected with bupivacaine only...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28575334/characterization-of-peripheral-and-central-sensitization-after-dorsal-root-ganglion-intervention-in-patients-with-unilateral-lumbosacral-radicular-pain-a-prospective-pilot-study
#9
V Mehta, S Snidvongs, B Ghai, R Langford, T Wodehouse
Background.: Quantitative sensory testing (QST) has been used to predict the outcome of epidural steroid injections in lumbosacral radicular pain and has the potential to be an important tool in the selection of appropriate treatment (such as epidural steroid injections vs surgery) for patients with chronic radicular pain. In addition, QST assists in identification of the pain pathways of peripheral and central sensitization in selected groups of patients. Methods.: Twenty-three patients were given dorsal root ganglion (DRG) infiltration with local anaesthesia and steroid ('DRG block'), and those who demonstrated at least 50% pain relief were offered pulsed radiofrequency (PRF) to the DRG...
June 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28571251/evaluation-of-interdental-spaces-of-the-mandibular-posterior-area-for-orthodontic-mini-implants-with-cone-beam-computed-tomography
#10
Seyed Hossein Moslemzadeh, Aydin Sohrabi, Ali Rafighi, Yusef Kananizadeh, Amin Nourizadeh
INTRODUCTION: The use of mini-implants has increased in recent years because of their role in absolute anchorage, but the placement sites may affect the success or failure of the procedure, so it is very important to determine the appropriate and safe location for orthodontic mini-implants. On the other hand, the Cone Beam Computed Tomography (CBCT), which offers clear 3-Dimentional (3D) images, has been widely used in orthodontics and implant dentistry for surgical guidance of mini-implant placement...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28570399/canine-eruption-after-secondary-alveolar-bone-graft-in-unilateral-cleft-lip-and-palate-patients
#11
Valentino Vellone, Giulio Cirignaco, Bruno Cavarretta, Piero Cascone
PURPOSE: The aim of this article is to analyze dental abnormalities in unilateral cleft lip and palate patients by focusing on the role of the secondary alveolar bone graft (SABG) surgery and its outcomes on canine eruption/inclusion. MATERIALS AND METHODS: A sample of 24 patients with unilateral cleft lip and palate were selected.Dental anomalies, canine eruption based on the existence of supernumeraries, agenesis elements, inclination of the major canine axis before and after surgery, distance from the occlusal plane before and after surgery, and sector classification were analyzed...
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28567591/ribosomal-pcr-assay-of-excised-intervertebral-discs-from-patients-undergoing-single-level-primary-lumbar-microdiscectomy
#12
Todd F Alamin, Marcus Munoz, Alicia Zagel, Agnes Ith, Eugene Carragee, Ivan Cheng, Gaetano Scuderi, Indre Budvytiene, Niaz Banei
PURPOSE: To determine the presence of infectious microorganisms in the herniated discs of immunocompetent patients, using methodology that we hoped would be of higher sensitivity and specificity than has been reported in the past. Recent studies have demonstrated a significant rate of positive cultures for low virulent organisms in excised HNP samples (range 19-53%). These studies have served as the theoretical basis for a pilot trial, and then, a well done prospective randomized trial that demonstrated that systemic treatment with antibiotics may yield lasting improvements in a subset of patients with axial back pain...
May 31, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28555209/characterisation-of-apical-bone-lesions-comparison-of-mri-and-cbct-with-histological-findings-a-case-series
#13
Margrit-Ann Geibel, Elena Schreiber, Anna-Katinka Bracher, Erich Hell, Johannes Ulrici, Leif-Konradin Sailer, Volker Rasche
PURPOSE: The aim of this case series was to compare magnetic resonance imaging (MRI) with cone beam computed tomography (CBCT) in the representation of periapical osteolyses. Based on the histological findings, the potential of MRI for further lesion characterisation was investigated. MATERIALS AND METHODS: Thirteen patients (average age: 41 ± 27 years) with a total of 15 periapical lesions (five molars, five premolars, and five front teeth) were examined. Lesion characterisation was based on the homogeneity/heterogeneity of the lesions, the signal intensity within the lesion compared to the surrounding tissue and differences in the signal intensities between different MRI contrast weightings...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28551736/back-pain-with-leg-pain
#14
REVIEW
Simon Vulfsons, Negev Bar, Elon Eisenberg
PURPOSE OF REVIEW: The clinical diagnostic dilemma of low back pain that is associated with lower limb pain is very common. In relation to back pain that radiates to the leg, the International Association for the Study of Pain (IASP) states: "Pain in the lower limb should be described specifically as either referred pain or radicular pain. In cases of doubt no implication should be made and the pain should be described as pain in the lower limb." RECENT FINDINGS: Bogduks' editorial in the journal PAIN (2009) helps us to differentiate and define the terms somatic referred pain, radicular pain, and radiculopathy...
July 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28533868/-rare-medico-surgical-emergency-spinal-epidural-abscess-about-3-cases
#15
Abderrazzak El Saqui, Mohamed Aggouri, Mohamed Benzagmout, Khalid Chakour, Mohamed El Faiz Chaoui
The awareness about infections in the epidural space is increasing thanks to the development of neurosurgery, including MRI. Spinal epidural abscess is a rare pathology but extremely serious from a functional point of view and potentially life threatening. We report three cases of male patients (the first one aged 52 years, the second 57 years and the third 63 years) with diagnosed spinal epidural abscess. Two patients were admitted to the Neurosurgical Emergencies with slow progressive spinal cord compression evolving in the context of infection...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28501955/a-case-of-arteriovenous-fistula-of-the-cauda-equina-fed-by-the-proximal-radicular-artery-anatomical-features-and-treatment-precautions
#16
Satoru Tanioka, Naoki Toma, Hiroshi Sakaida, Yasuyuki Umeda, Hidenori Suzuki
PURPOSE: Arteriovenous fistula (AVF) of the cauda equina (CE) fed by the proximal radicular artery (PRA) is very rare, and the differentiation from that of the filum terminale (FT) is important to avoid treatment-related injury to the CE when endovascular treatment is selected. The authors describe a case of AVF of the CE fed by the PRA, demonstrate the anatomical features and discuss the treatment precautions. METHODS: A 69-year-old man presented with a transient weakness of lower limbs...
May 13, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28501945/macrophage-polarization-differs-between-apical-granulomas-radicular-cysts-and-dentigerous-cysts
#17
Manuel Weber, Tilo Schlittenbauer, Patrick Moebius, Maike Büttner-Herold, Jutta Ries, Raimund Preidl, Carol-Immanuel Geppert, Friedrich W Neukam, Falk Wehrhan
OBJECTIVES: Apical periodontitis can appear clinically as apical granulomas or radicular cysts. There is evidence that immunologic factors are involved in the pathogenesis of both pathologies. In contrast to radicular cysts, the dentigerous cysts have a developmental origin. Macrophage polarization (M1 vs M2) is a main regulator of tissue homeostasis and differentiation. There are no studies comparing macrophage polarization in apical granulomas, radicular cysts, and dentigerous cysts...
May 13, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28492740/selective-cox-2-inhibitor-meloxicam-and-tooth-supporting-bone-quality-a-histomorphometric-study-in-rats
#18
Bruno César de Vasconcelos Gurgel, Krysna Torres de Almeida, Raniel Fernandes Peixoto, Kenio Costa Lima, Kamila Rosamilia Kantovitz, Francisco Humberto, Sergio de Toledo
The effects of the non-steroidal anti-inflammatory drugs (NSAIDs) on bone quantity and quality were investigated for years. However, there is lack of information on the impact of NSAIDs on the quality of tooth-supporting alveolar bone in absence of periodontal inflammation. Thus, the aim of this study was to evaluate histometrically the influence of a selective COX-2 NSAID (Meloxicam) on the inter-radicular bone mineral density in rats. Forty-nine adult male Wistar rats were randomly divided into four experimental groups: Subcutaneous injection of 0...
March 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28491486/crest-calcinosis-affecting-the-lumbar-and-cervical-spine-and-the-use-of-minimally-invasive-surgery
#19
Kassem Faraj, Kristin Perez-Cruet, Mick Perez-Cruet
Calcinosis in CREST (calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia) syndrome can affect the spinal and paraspinal areas. We present the first case to our knowledge where a CREST syndrome patient required surgery for spinal calcinosis in both the cervical and lumbar areas. A 66-year-old female with a history of CREST syndrome presented with right-sided lower extremity radicular pain. A computed tomography (CT) scan showed bilateral lumbar masses (5.8 cm on the right, 3...
April 8, 2017: Curēus
https://www.readbyqxmd.com/read/28491192/a-case-report-of-spinal-dural-arteriovenous-fistula-origins-determinants-and-consequences-of-abnormal-vascular-malformations
#20
Sherry M Zakhary, Christopher L Hoehmann, Joshua A Cuoco, Kyle Hitscherich, Hamid Alam, German Torres
A spinal dural arteriovenous fistula is an abnormally layered connection between radicular arteries and venous plexus of the spinal cord. This vascular condition is relatively rare with an incidence of 5-10 cases per million in the general population. Diagnosis of spinal dural arteriovenous fistula is differentiated by contrast-enhanced magnetic resonance angiography or structural magnetic resonance imaging, but a definitive diagnosis requires spinal angiography methods. Here, we report a case of a 67-year-old female with a spinal dural arteriovenous fistula, provide a pertinent clinical history to the case nosology, and discuss the biology of adhesive proteins, chemotactic molecules, and transcription factors that modify the behavior of the vasculature to possibly cause sensorimotor deficits...
June 2017: Radiology case reports
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