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https://www.readbyqxmd.com/read/28816828/coronal-decompensation-after-posterior-only-thoracolumbar-hemivertebra-resection-and-short-fusion-in-young-children-with-congenital-scoliosis
#1
Song Li, Zhong-Hui Chen, Yong Qiu, Liang Xu, Xi Chen, Chang-Zhi Du, Ze-Zhang Zhu, Xu Sun
STUDY DESIGN: A retrospective study. OBJECTIVE: To determine the incidence and risk factors of coronal decompensation after posterior-only thoracolumbar hemivertebra (HV) resection and short fusion in patients younger than 5 years old. SUMMARY OF BACKGROUND DATA: Postoperative coronal decompensation may occur in operated patients during the follow-up. However, there is a paucity of valid data regarding this complication in very young patients with thoracolumbar HV...
August 14, 2017: Spine
https://www.readbyqxmd.com/read/28816822/selecting-the-lstv-as-the-lower-instrumented-vertebra-in-the-treatment-of-lenke-types-1a-and-2a-adolescent-idiopathic-scoliosis-a-minimal-3-year-follow-up
#2
Jinyi Bai, Kai Chen, Qiang Wei, Ziqiang Chen, Yu Chen, Haijian Ni, Yingchuan Zhao, Ming Li
STUDY DESIGN: Retrospective study. OBJECTIVE: The purpose of this study was to verify the last substantially touched vertebra (LSTV) as the ideal lower instrumented vertebra (LIV) and to identify predictive factors of adding-on in patients with Lenke type 1A and 2A curve patterns when LSTV was chosed as the LIV. SUMMARY OF BACKGROUND DATA: Although several studies have indicated that the use of the LSTV as the LIV can obtain favorable outcomes in Lenke 1A and 2A curves, the factors identifying patients with Lenke 1A and 2A curve patterns who should undergo a fusion extending beyond the LSTV have not been identified...
August 14, 2017: Spine
https://www.readbyqxmd.com/read/28816554/vaginal-axis-on-mri-after-unilateral-and-bilateral-sacral-hysteropexy-a-controlled-study
#3
Mehmet B Senturk, Cetin Kilicci, Sibel Aydin, Mesut Polat, Cigdem Abide Yayla, Ates Karateke
The objective of this study was to evaluate the vaginal position on magnetic resonance imaging (MRI) after bilateral abdominal sacral hysteropexy (BASH) and classical abdominal sacral hysteropexy (ASH) and to investigate which method keeps the vagina the most proximate to its original anatomical position. Ten patients, with 10 having BASH, 10 ASH and 10 being nulliparous, were compared. The angle between the vagina and the pubococcygeal plate, the angle between the upper and lower vaginal segments, the distance between the posterior fornix and the 2nd vertebra and the distances between the lateral fornices and spina ischiadica were measured on MRI...
August 17, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28816271/-construction-and-improvement-of-animal-models-with-different-positional-osseous-metastasis-of-prostate-cancer-in-vivo
#4
Y X Bi, M H Xiao, N N Zhang, X Y Li, X P Mao, K Zhang, Z R Zhang, L Y Zhao
OBJECTIVE: To provide an important tool for the study of diagnose and treatment of prostate cancer (PCa) osseous metastasis and change of bone stress force on prostate cancer (PCa) osseous metastasis and a platform, which is more congruous to clinical process, for prevention and cure of neoplastic bone metastases, and to carry out the construction and improvement of animal models of PCa with different positional osseous metastasis in vivo. METHODS: Different gradient concentrations of RM-1 cells were inoculated into the cavity of left femoral bone or lumbar vertebra of mice (C57BL/6) respectively...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28815159/short-posterior-stabilization-in-combination-with-cement-augmentation-for-the-treatment-of-thoracolumbar-fractures-and-the-effects-of-implant-removal
#5
Sven Hoppe, Emin Aghayev, Sufian Ahmad, Marius Johann Baptist Keel, Timo Michael Ecker, Moritz Deml, Lorin Michael Benneker
STUDY DESIGN: Retrospective case series. OBJECTIVE: Short posterior stabilization with vertebroplasty is one treatment option for thoracolumbar burst fractures (AO A3). Whether it avoids progression in segmental kyphosis, especially after implant removal, is unclear. In a retrospective case-control study, its stability and the effect on intervertebral discs with and without implant removal was studied. METHODS: Fifty-nine consecutive patients were treated with bisegmental short posterior instrumentation and additional vertebroplasty of the fractured vertebra...
June 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28814530/a-high-fat-diet-decreases-bone-mass-in-growing-mice-with-systemic-chronic-inflammation-induced-by-low-dose-slow-release-lipopolysaccharide-pellets
#6
Jay J Cao, Brian R Gregoire, Chwan-Li Shen
Background: Chronic inflammation is associated with increased bone resorption and is linked to osteopenia, or low bone mass. Obesity is also associated with low-grade chronic upregulation of inflammatory cytokines.Objective: This study investigated the effect of high-fat (HF) diet-induced obesity on bone structure changes in growing mice with existing systemic chronic inflammation induced by low-dose, slow-release lipopolysaccharide (LPS).Methods: Forty-eight 6-wk-old female C57BL/6 mice were randomly assigned to 4 treatment groups (n = 12/group) in a 2 × 2 factorial design-control (placebo) or LPS treatment (1...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28813854/automated-stand-up-and-sit-down-detection-for-robot-assisted-body-weight-support-training-with-the-float
#7
Mathias Bannwart, Dominique Emst, Chris Easthope, Marc Bolliger, Georg Rauter
Patients with impaired walking function are often dependent on assistive devices to retrain gait and regain independence in life. To provide adequate support, gait rehabilitation devices have to be manually set to the correct support mode or have to recognize the type and starting point of a certain motion automatically. For automated motion type detection, machine learning-based classification algorithms using sensor signals from different body parts can achieve robust performance. However, until today, there is only little work available to detect motion onset...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812696/skeletal-trauma-reflects-hunting-behaviour-in-extinct-sabre-tooth-cats-and-dire-wolves
#8
Caitlin Brown, Mairin Balisi, Christopher A Shaw, Blaire Van Valkenburgh
Skeletal-injury frequency and distribution are likely to reflect hunting behaviour in predatory vertebrates and might therefore differ between species with distinct hunting modes. Two Pleistocene predators from the Rancho La Brea asphalt seeps, the sabre-tooth cat, Smilodon fatalis, and dire wolf, Canis dirus, represent ambush and pursuit predators, respectively. On the basis of a collection of over 1,900 pathological elements, the frequency of traumatic injury across skeletal elements in these two species was calculated...
April 10, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28811793/effectiveness-and-safety-of-percutaneous-vertebroplasty-in-the-treatment-of-spinal-metastatic-tumor
#9
Yilin Liu, Yuqiang Wang, Liang Zhao, Ruipeng Song, Hongyu Tan, Limin Wang
OBJECTIVE: To evaluate the effectiveness, safety and feasibility of percutaneous vertebroplasty in the treatment of spinal metastatic tumor. METHODS: Thirty-four patients with spinal metastatic tumor who received treatment in the First Affiliated Hospital of Zhengzhou University from May 2014 to June 2015 were selected. Totally fifty diseased vertebrae were treated by percutaneous vertebroplasty. The curative effects were evaluated according to visual analogue scale (VAS) score, Oswestry Dability Index (ODI) and dose of pain reliever...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28810314/-clinical-and-pathological-characteristics-of-erdheim-chester-disease-involving-the-lungs
#10
T Lu, S Wang, H Huang, T Wang, M Wang, D R Zhong, R E Feng
Objective: To explore the clinical manifestations, pathological features, differential diagnosis and gene mutation status in patients with pulmonary involvement of Erdheim-Chester disease (ECD). Methods: The clinical data of 4 cases of Erdheim-Chester disease admitted to Peking Union Medical College Hospital from October 2014 to August 2016 were examined for imaging, microscopic and immunohistochemitry findings, and BRAFV600E mutation. The related literatures were reviewed. Results: Among the 4 cases, there were 3 males and 1 female, aging from 7 to 47 years, and the average age was 34...
August 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28809678/ultrasound-aided-vertebral-level-localization-for-lumbar-surgery
#11
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/28809631/-comparison-between-the-range-of-movement-canine-real-cervical-spine-and-numerical-simulation-computer-model-validation
#12
R Srnec, Z Horák, R Sedláček, M Sedlinská, M Krbec, A Nečas
PURPOSE OF THE STUDY In developing new or modifying the existing surgical treatment methods of spine conditions an integral part of ex vivo experiments is the assessment of mechanical, kinematic and dynamic properties of created constructions. The aim of the study is to create an appropriately validated numerical model of canine cervical spine in order to obtain a tool for basic research to be applied in cervical spine surgeries. For this purpose, canine is a suitable model due to the occurrence of similar cervical spine conditions in some breeds of dogs and in humans...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28802716/presence-of-modic-type-1-change-increases-risk-of-postoperative-pyogenic-discitis-following-decompression-surgery-for-lumbar-canal-stenosis
#13
Ken Ninomiya, Nobuyuki Fujita, Naobumi Hosogane, Tomohiro Hikata, Kota Watanabe, Osahiko Tsuji, Narihito Nagoshi, Mitsuru Yagi, Shinjiro Kaneko, Yasuyuki Fukui, Takahiro Koyanagi, Tateru Shiraishi, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Ken Ishii
STUDY DESIGN: Multicenter retrospective study. BACKGROUND: Postoperative surgical site infection is one of the most serious complications following spine surgery. Previous studies do not appear to have investigated pyogenic discitis following lumbar laminectomy without discectomy. This study aimed to identify risk factors for postoperative pyogenic discitis following lumbar decompression surgery. METHODS: We examined data from 2721 patients undergoing lumbar laminectomy without discectomy in five hospitals from April 2007 to March 2012...
August 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28801800/the-horizontal-plane-appearances-of-scoliosis-what-information-can-be-obtained-from-top-view-images
#14
REVIEW
Tamás S Illés, Máté Burkus, Szabolcs Somoskeőy, Fabien Lauer, Francois Lavaste, Jean F Dubousset
PURPOSE: A posterior-anterior vertebral vector is proposed to facilitate visualization and understanding of scoliosis. The aim of this study was to highlight the interest of using vertebral vectors, especially in the horizontal plane, in clinical practice. METHODS: We used an EOS two-/three-dimensional (2D/3D) system and its sterEOS 3D software for 3D reconstruction of 139 normal and 814 scoliotic spines-of which 95 cases were analyzed pre-operatively and post-operatively, as well...
August 11, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28801374/myeloid-sarcoma-in-a-patient-with-myelodysplastic-syndrome-associated-with-del-5q-case-report-and-literature-review
#15
Josh A Showalter, Nidhi Tandon, Bihong Zhao, Guilin Tang, Nghia D Nguyen, L Jeffrey Medeiros
OBJECTIVE: Myeloid sarcoma (MS) is defined in the World Health Organization classification as a tumor mass consisting of myeloblasts with or without maturation and involving any anatomic site other than the bone marrow. We present a case of MS developing in a patient with 5q- myelodysplastic syndrome (MDS) and review the relevant literature. METHODS: A 77-year-old woman with recent diagnosis of MDS associated with del(5q) presented with symptoms and signs attributable to a mass involving the T8 vertebra...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28800768/3d-printing-assisted-preoperative-plan-of-pedicle-screw-placement-for-middle-upper-thoracic-trauma-a-cohort-study
#16
Wei Xu, Xuming Zhang, Tie Ke, Hongru Cai, Xiang Gao
BACKGROUND: This study aimed to evaluate the application of 3D printing in assisting preoperative plan of pedicle screw placement for treating middle-upper thoracic trauma. METHODS: A preoperative plan was implemented in seven patients suffering from middle-upper thoracic (T3-T7) trauma between March 2013 and February 2016. In the 3D printing models, entry points of 56 pedicle screws (Magerl method) and 4 important parameters of the pedicle screws were measured, including optimal diameter (ϕ, mm), length (L, mm), inclined angle (α), head-tilting angle (+β), and tail-tilting angle (-β)...
August 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28797001/scintigraphic-patterns-of-indium-111-oxine-white-blood-cell-imaging-of-gram-negative-versus-gram-positive-vertebral-osteomyelitis
#17
Abdelhamid H Elgazzar, Shorouk Dannoon, Ismet Sarikaya, Medhat Farghali, Thamradeen A Junaid
OBJECTIVE: The goal of the study was to investigate whether or not Gram-negative organisms that secret anti-chemotactic factors caused the non-accumulation pattern of 111In-oxine-labeled white blood cell (111In WBC) scan. MATERIALS AND METHODS: Staphylococcus aureus (Gram-positive) (group 1) was injected into 25 rabbits and Escherichia coli (Gram-negative) (group 2) to another 25 to induce infection in the lumbar vertebrae or left thigh bone (femur). Sixteen rabbits of each group that were successfully infected surviving rabbits were used for imaging and analysis...
August 8, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28796904/kinematic-discrimination-of-ataxia-in-horses-is-facilitated-by-blindfolding
#18
E Olsen, N Fouche, H Jordan, T Pfau, R J Piercy
BACKGROUND: Agreement amongst experienced clinicians is poor when assessing presence and severity of ataxia, especially when signs are mild. Consequently, objective gait measurements might be beneficial for assessment of horses with neurological diseases. OBJECTIVES: To assess diagnostic criteria using motion capture to measure variability of spatial gait-characteristics and swing duration derived from ataxic and non-ataxic horses and to assess if variability increases with blindfolding...
August 10, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28796857/association-of-systemic-inflammation-and-sarcopenia-with-survival-in-nonmetastatic-colorectal-cancer-results-from-the-c-scans-study
#19
Elizabeth M Cespedes Feliciano, Candyce H Kroenke, Jeffrey A Meyerhardt, Carla M Prado, Patrick T Bradshaw, Marilyn L Kwan, Jingjie Xiao, Stacey Alexeeff, Douglas Corley, Erin Weltzien, Adrienne L Castillo, Bette J Caan
Importance: Systemic inflammation and sarcopenia are easily evaluated, predict mortality in many cancers, and are potentially modifiable. The combination of inflammation and sarcopenia may be able to identify patients with early-stage colorectal cancer (CRC) with poor prognosis. Objective: To examine associations of prediagnostic systemic inflammation with at-diagnosis sarcopenia, and determine whether these factors interact to predict CRC survival, adjusting for age, ethnicity, sex, body mass index, stage, and cancer site...
August 10, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28796721/mechanisms-predisposing-factors-and-prognosis-of-intraoperative-vertebral-subluxation-during-pedicle-subtraction-osteotomy-in-surgical-correction-of-thoracolumbar-kyphosis-secondary-to-ankylosing-spondylitis
#20
Bang-Ping Qian, Sai-Hu Mao, Jun Jiang, Bin Wang, Yong Qiu
STUDY DESIGN: A retrospective study. OBJECTIVE: To analyze the mechanisms, predisposing factors, and prognosis of the intraoperative vertebral subluxation (VS) during pedicle subtraction osteotomy (PSO) for thoracolumbar kyphosis secondary to ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: VS is one of the most daunting challenges that surgeons encounter during PSO closure, especially in patients with AS with ankylosed and mostly osteoporotic spine...
August 15, 2017: Spine
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