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https://www.readbyqxmd.com/read/28809678/ultrasound-aided-vertebral-level-localization-for-lumbar-surgery
#1
Nora Baka, Sieger Leenstra, Theo van Walsum
Localization of the correct vertebral level for surgical entry during lumbar hernia surgery is not straightforward. In this paper we develop and evaluate a solution using free-hand 2D ultrasound (US) imaging in the operation room (OR). Our system exploits the difference in spinous process shapes of the vertebrae. The spinous processes are pre-operatively outlined and labeled in a lateral lumbar X-ray of the patient. Then, in the OR the spinous processes are imaged with 2D sagittal US, and are automatically segmented and registered with the X-ray shapes...
August 10, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28796755/the-effect-of-lumbar-disc-herniation-on-musculoskeletal-loadings-in-the-spinal-region-during-level-walking-and-stair-climbing
#2
Shengzheng Kuai, Zhenhua Liao, Wenyu Zhou, Xinyu Guan, Run Ji, Rui Zhang, Daiqi Guo, Weiqiang Liu
BACKGROUND People with low back pain (LBP) alter their motion patterns during level walking and stair climbing due to pain or fear. However, the alternations of load sharing during the two activities are largely unknown. The objective of this study was to investigate the effect of LBP caused by lumbar disc herniation (LDH) on the muscle activities of 17 main trunk muscle groups and the intradiscal forces acting on the five lumbar discs. MATERIAL AND METHODS Twenty-six healthy adults and seven LDH patients were recruited to perform level walking and stair climbing in the Gait Analysis Laboratory...
August 10, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28796132/optimal-point-of-insertion-and-needle-angle-in-neuraxial-blockade-using-a-midline-approach-a-study-in-computed-tomography-scans-of-adult-patients
#3
Mark Vogt, Dennis J van Gerwen, Wouter Lubbers, John J van den Dobbelsteen, Martin Hagenaars
BACKGROUND AND OBJECTIVES: Neuraxial blockade using a midline approach can be challenging. Part of this challenge lies in finding the optimal approach of the needle to its target. The present study aimed at finding (1) the optimal point of insertion of the needle between the tips of 2 adjacent spinous processes and (2) the optimal angle relative to the skin at which the needle should approach the epidural or subarachnoid space. METHODS: A computer algorithm systematically analyzed computed tomography scans of vertebral columns of a cohort of 52 patients...
August 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28794569/cortisol-homeostasis-in-the-epidermis-is-influenced-by-topical-corticosteroids-in-patients-with-atopic-dermatitis
#4
Mototsugu Fukaya
BACKGROUND: The skin produces cortisol by itself and regulates its own proliferation and differentiation. There is a possibility that topical corticosteroids (TCSs) influence the cortisol homeostasis in the skin. AIMS AND OBJECTIVES: The author described the density and distribution of cortisol and its parties in the epidermis after application of topical steroids immunohistologically. MATERIALS AND METHODS: The forearm skin was biopsied before and after 2 weeks' application of clobetasol propionate 0...
July 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28764139/atlantooccipital-fusion-prevalence-and-its-developmental-and-clinical-correlation
#5
D K Sharma, Deepak Sharma, Vandana Sharma
INTRODUCTION: Atlantooccipital fusion or occipitalization of atlas or assimilation of atlas is a rare or uncommon abnormality recorded in anatomical, morphological and radiological studies. It is usually associated with reduction in dimensions of foramen magnum leading to acute or chronic neurovascular compression and clinical manifestations of varying severity. Though, atlantooccipital fusion is rare but it is important and significant for the physicians and surgeons for their diagnostic and therapeutic approach...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28757081/geographic-tongue-assessment-of-peripheral-nerve-status-langerhans-cell-and-hla-dr-expression
#6
Mark Roger Darling, Nan Su, Sherry Masen, Paul Kwon, Daniel Fortino, Taylor McKerlie, Miriam Grushka
OBJECTIVES: The objectives of this study were to determine whether geographic tongue (GT) is an antigen-driven condition by assessing Langerhans cell numbers and the expression of human leukocyte antigen (HLA)-DP, -DQ, and -DR in the epithelium of GT and to assess peripheral nerve status for any possible damage/injury association by quantifying neurite area in connective tissue in GT. STUDY DESIGN: Randomly selected samples of GT were examined by using routine immunoperoxidase staining methods to S100 protein, neurofilament, CD1a, and HLA class II...
June 7, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28752243/design-of-mulitlevel-olf-approach-v-shaped-decompressive-laminoplasty-based-on-3d-printing-technology
#7
Qinjie Ling, Erxing He, Hanbin Ouyang, Jing Guo, Zhixun Yin, Wenhua Huang
PURPOSE: To introduce a new surgical approach to the multilevel ossification of the ligamentum flavum (OLF) aided by three-dimensional (3D) printing technology. METHODS: A multilevel OLF patient (male, 66 years) was scanned using computed tomography (CT). His saved DICOM format data were inputted to the Mimics14.0 3D reconstruction software (Materialise, Belgium). The resulting 3D model was used to observe the anatomical features of the multilevel OLF area and to design the surgical approach...
July 27, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28748571/follicular-porokeratosis-four-new-cases
#8
A Sud, A R Shipman, M Odeke, K Varma, M Read-Jones, R A Carr
Porokeratosis, a disorder of keratinisation, is clinically characterized by the presence of annular plaques with a surrounding keratotic ridge. Clinical variants include linear, disseminated superficial actinic, verrucous/hypertrophic, disseminated eruptive, palmoplantar and porokeratosis of Mibelli (one or two typical plaques with atrophic centre and guttered keratotic rim). All of these subtypes share the histological feature of a cornoid lamella, characterized by a column of 'stacked' parakeratosis with focal absence of the granular layer, and dysmaturation (prematurely keratinised cells in the upper spinous layer)...
July 27, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28723774/relationship-between-first-dorsal-sacral-foramen-and-lumbar-facet-joint-connecting-line-in-south-korea-populations-retrospective-study
#9
Young Deog Cha, Jae Kyu Choi, Chun Woo Yang, Hyun Kyoung Lim, Gyoung A Heo, Byung-Gun Kim
The first sacral nerve root block (S1 nerve root block) is a practical procedure for patients with radiating lower back pain. In general, S1 nerve root block is performed under x-ray fluoroscopy. It is necessary to adjust the position of the patient and angle of fluoroscopy to properly visualize the first dorsal sacral foramen (dorsal S1 foramen). The purpose of this study was to analyze the location of dorsal S1 foramen and lumbar facet joint in S1 nerve root block.A total of 388 patients undergoing x-ray fluoroscopy-guided S1 nerve root block in the prone position were examined...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28704684/root-mean-square-of-lower-trunk-acceleration-during-walking-in-patients-with-unilateral-total-hip-replacement
#10
Osamu Wada, Tsuyoshi Asai, Yoshinori Hiyama, Shingo Nitta, Kiyonori Mizuno
Although several studies have described abnormal trunk motion before and after total hip arthroplasty (THA) surgery, few studies have examined trunk motion using accelerometry. The aim of this study was to determine whether abnormal trunk motion persisted after THA using accelerometry. A total of 24 female patients (61.0±6.9years) and 20 healthy female subjects (59.9±6.8years) participated in this study. Patients were assessed at 1 month prior to surgery and 12 months after surgery. Trunk acceleration during gait was measured using a triaxial accelerometer attached to the L3 spinous process...
July 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28694588/is-sectioning-of-muscle-attachment-to-axis-c2-spinous-process-mandatory-to-achieve-arthrodesis-during-atlantoaxial-fixation
#11
EDITORIAL
Atul Goel
No abstract text is available yet for this article.
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28680778/transforaminal-lumbar-interbody-fusion-with-rigid-interspinous-process-fixation-a-learning-curve-analysis-of-a-surgeon-team-s-first-74-cases
#12
Patrick Doherty, Arthur Welch, Jason Tharpe, Camille Moore, Chris Ferry
BACKGROUND: Studies have shown that a significant learning curve may be associated with adopting minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) with bilateral pedicle screw fixation (BPSF). Accordingly, several hybrid TLIF techniques have been proposed as surrogates to the accepted BPSF technique, asserting that less/fewer fixation(s) or less disruptive fixation may decrease the learning curve while still maintaining the minimally disruptive benefits. TLIF with interspinous process fixation (ISPF) is one such surrogate procedure...
May 30, 2017: Curēus
https://www.readbyqxmd.com/read/28665170/dynamic-tomographic-studies-of-interscapular-feline-injection-site-sarcoma-essential-or-useless-practice
#13
Maurizio Longo, Davide Danilo Zani, Roberta Ferrari, Jessica Bassi, Maria Elena Andreis, Damiano Stefanello, Chiara Giudice, Valeria Grieco, Tiziana Liuti, Ian Handel, Mauro Di Giancamillo
Objectives Feline injection-site sarcomas (FISSs) are soft tissue tumours typically characterised by an interscapular location and highly infiltrative behaviour. CT is considered the modality of choice for FISS staging and double positioning (dynamic approach) was reported to successfully detect the exact extent of infiltration into the muscles. The aim of the present study was to investigate the utility of the dynamic approach in feline patients referred for preoperative staging of interscapular FISS. Methods Tumour volume estimates were compared between the ellipsoid and the semi-automated segmentation methods...
June 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28660372/a-finite-element-study-of-traditional-chinese-cervical-manipulation
#14
Zhen Deng, Kuan Wang, Huihao Wang, Tianying Lan, Hongsheng Zhan, Wenxin Niu
PURPOSE: Traditional Chinese cervical manipulation (TCCM) has been claimed as an effective treatment for diseases of the cervical spine, but its biomechanical effects on the vertebral body and intervertebral discs remain unclear. The aim of this study was to develop and validate a detailed finite element model of cervical spine, which was then used to investigate the biomechanical response of the cervical spine to TCCM. METHODS: The model of a C2-T1 cervical spine was constructed based on CT images of a healthy male volunteer and validated against published in vitro studies under different loading conditions...
June 28, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28648003/-curative-effect-analysis-of-15-cases-of-cervical-intra-and-extra-spinal-tumors-by-microsurgical-resection
#15
Y Han, X L Zheng, L Li, Z Q Jiang, F Y Lou, S J Zhang
Objective: To explore the curative effect of microsurgical treatment of cervical intra- and extra-spinal tumors. Methods: The clinical data of 15 patients with cervical intra-and extra-spinal tumors in Department of Neurosurgery, the First Affiliated Hospital of Bengbu Medical College from January 2013 to February 2017 were retrospectively analyzed. According to Shaw's tumor stage: 6 cases in stage Ⅰ, 5 cases in stage Ⅱ, 3 cases in stage Ⅲ, and 1 case in stage Ⅳ. About the surgical methods: 9 cases were treated via posterior median semi-laminectomy approach, of which were internal fixation in 2 cases, and via posterior median approach spinous process and vertebral plate complex orthotopic replantation to spinal canal plasty in 3 cases, other 3 cases were operated via anterior cervical approach, including internal fixation in 1 case...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647958/-prospective-cohort-study-on-the-outcomes-of-sacrospinous-ligament-fixation-using-conventional-instruments-in-treating-stage-%C3%A2-%C3%A2-pelvic-organ-prolapse
#16
C Ren, X C Song, L Zhu, F F Ai, H H Shi, Z J Sun, J Chen, J H Lang
Objective: To evaluate the medium and long term safety and efficacy of sacrospinous ligament fixation (SSLF) performed with conventional instruments in treating stage Ⅲ-Ⅳ pelvic organ prolapse (POP). Methods: A prospective cohort analysis was conducted in the Peking Union Medical College Hospital, between May 2007 and June 2015, enrolling 55 women with stage Ⅲ-Ⅳ POP who intended to receive SSLF. Primary end points were objective success rates using pelvic organ prolapse quantitation system (POP-Q) and subjective satisfaction rates with questionnaires after surgery according to vaginal examination and related questionnaires for all patients who received SSLF eventually...
June 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28646520/shape-analysis-of-the-cervical-spinous-process
#17
Thomas M Greiner
No abstract text is available yet for this article.
June 24, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28640899/normative-3d-opto-electronic-stereo-photogrammetric-posture-and-spine-morphology-data-in-young-healthy-adult-population
#18
Moreno D'Amico, Edyta Kinel, Piero Roncoletta
Observational cross-sectional study. The current study aims to yield normative data: i.e., the physiological standard for 30 selected quantitative 3D parameters that accurately capture and describe a full-skeleton, upright-standing attitude. Specific and exclusive consideration was given to three distinct categories: postural, spine morphology and pelvic parameters. To capture such 3D parameters, the authors selected a non-ionising 3D opto-electronic stereo-photogrammetric approach. This required the identification and measurement of 27 body landmarks, each specifically tagged with a skin marker...
2017: PloS One
https://www.readbyqxmd.com/read/28632962/a-novel-minimally-invasive-wireless-technology-for-neuromodulation-via-percutaneous-intercostal-nerve-stimulation-pns-for-post-herpetic-neuralgia-a-case-report-with-short-term-follow-up
#19
Bart Billet, Roel Wynendaele, Niek E Vanquathem
BACKGROUND: Peripheral nerve stimulation (PNS) of primary afferent neurons provides control of localized chronic pain. This technique applies permanent electrical stimulation at the target area via a minimally invasive, subcutaneous placement of an electrode. OBJECTIVE: To assess analgesic effects of a minimally invasive wireless neuromodulation in the treatment of chronic intractable pain secondary to post-herpetic neuralgia. CASE SUMMARY: A 78-year-old man presented with severe intractable post herpetic neuralgic pain...
June 20, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28630847/hyperplasia-of-lamina-and-spinous-process-of-c5-vertebrae-and-associated-hemivertebra-at-c4-level
#20
Raja Rameez Farooqi, Mufti Mehmood, Hilal A Kotwal
INTRODUCTION: Congenital variants of the cervical spine may mimic traumatic lesions and may cause recurrent episodes of pain. The spectrum of cervical variants includes persistent apophyses of the transverse processes, persistent epiphyses, vertebral platyspondylia, vertebral hypoplasia, and dysplasia of the vertebral arch. Furthermore, abnormalities of the spinous process have been described including doubled spinous processes and hypertrophies. Unilateral hyperplasia of a spinous process is a rare finding that has only been described rarely as case reports...
January 2017: Journal of Orthopaedic Case Reports
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