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https://www.readbyqxmd.com/read/28351070/does-resection-of-the-posterior-longitudinal-ligament-impact-the-incidence-of-c5-palsy-after-cervical-corpectomy-procedures-a-review-of-459-consecutive-cases
#1
Ahmad Nassr, Ilyas S Aleem, Jason C Eck, Barrett Woods, Ravi K Ponnappan, William F Donaldson, James D Kang
STUDY DESIGN: Retrospective review. OBJECTIVE: To evaluate key risk factors for the development of C5 palsy after cervical corpectomy, including resection of the posterior longitudinal ligament (PLL). SUMMARY OF BACKGROUND DATA: Postoperative C5 palsy is a well-known complication after cervical spine surgery. It is unknown whether resection of the PLL affects the incidence of C5 palsy. METHODS: We performed a retrospective review of 459 consecutive patients undergoing anterior cervical corpectomies over a 15-year period...
April 1, 2017: Spine
https://www.readbyqxmd.com/read/28350586/predictors-of-outcome-in-conservative-and-minimally-invasive-surgical-management-of-pain-originating-from-the-sacroiliac-joint-a-pooled-analysis
#2
Julius Dengler, Bradley Duhon, Peter Whang, Clay Frank, John Glaser, Bengt Sturesson, Steven Garfin, Daniel Cher, Aaron Rendahl, David Polly
STUDY DESIGN: A pooled patient-level analysis of two multicenter randomized controlled trials and one multicenter single-arm prospective trial. OBJECTIVE: To identify predictors of outcome of conservative and minimally invasive surgical management of pain originating from the sacroiliac joint (SIJ). SUMMARY OF BACKGROUND DATA: Three recently published prospective trials have shown that minimally invasive SIJ fusion (SIJF) using triangular titanium implants produces better outcomes than conservative management for patients with pain originating from the SIJ...
March 27, 2017: Spine
https://www.readbyqxmd.com/read/28346102/phage-display-derived-ligand-for-mucosal-transcytotic-receptor-gp-2-promotes-antigen-delivery-to-m-cells-and-induces-antigen-specific-immune-response
#3
Inam Ullah Khan, Jiansheng Huang, Rui Liu, Jingbo Wang, Jun Xie, Naishuo Zhu
Successful oral immunization depends on efficient delivery of antigens (Ags) to the mucosal immune induction site. Glycoprotein-2 (GP-2) is an integral membrane protein that is expressed specifically on M cells within follicle-associated epithelium (FAE) and serves as transcytotic receptor for luminal Ags. In this study, we selected peptide ligands against recombinant human GP-2 by screening a phage display library and evaluated their interaction with GP-2 in vitro and ex vivo. Selected peptides were conjugated to the C-terminal of enhanced green fluorescence protein (EGFP) and evaluated for their ability to induce an immune response in mice...
February 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28345364/anatomically-contoured-anterior-plating-for-isolated-tibiotalar-arthrodesis
#4
Nicholas Kusnezov, John C Dunn, Logan R Koehler, Justin D Orr
INTRODUCTION: We performed a systematic review of the published literature to characterize patient demographic, surgical techniques, and functional outcomes to elucidate the complication and revision rates following isolated tibiotalar arthrodesis with anatomically contoured anterior plating. METHODS: A comprehensive literature search was performed. Inclusion criteria were peer-reviewed studies in English, after 1990, at least 10 patients, and reporting clinical outcomes following contoured anterior plating and with follow-up of at least 80% and 1 year...
March 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28344731/review-of-physical-activity-benefits-and-potential-considerations-for-individuals-with-surgical-fusion-of-spine-for-scoliosis
#5
EDITORIAL
Rumit Singh Kakar, Kathy J Simpson, Bhibha M DAS, Cathleen N Brown
Evidence-based recommendations for physical activity following spinal fusion surgeries for idiopathic scoliosis are limited, specifically in the adolescent population. Individuals with scoliosis treated operatively or non-operatively have been reported to participate in less than 1-3 days/week of even mildly strenuous physical exercises. Over 40% of individuals with scoliosis returned to sports at a level lower than pre-operative participation levels or did not return at all post spinal fusion. It is particularly important for human movement specialists, such as physical therapists, occupational therapists, athletic trainers and kinesiologists to assist these individuals effectively transition to and maintain engagement in physical activity...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28343332/posterior-elements-disruption-with-hybrid-constructs-in-ais-patients-is-there-an-impact-on-proximal-junctional-kyphosis
#6
S Ghailane, Sebastien Pesenti, E Peltier, E Choufani, B Blondel, J L Jouve
PURPOSE: Proximal junctional kyphosis (PJK) is a frequent proximal adjacent segment disease following spinal fusion in adolescent idiopathic scoliosis (AIS) and its rate has been estimated to 28% in the literature. The etiology is multifactorial, and risk factors associated with PJK are controversial. The aim of this study was to demonstrate that the disruption of muscular and bony tissue above the upper instrumented vertebra (UIV) during surgery does not increase the rate of PJK in patients undergoing posterior fusion for adolescent idiopathic scoliosis...
March 25, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28343263/genotypic-and-pathogenic-characterization-of-genotype-vii-newcastle-disease-viruses-isolated-from-commercial-farms-in-egypt-and-evaluation-of-heterologous-antibody-responses
#7
A M Saad, Ahmed Samy, M A Soliman, A Arafa, A Zanaty, M K Hassan, A H Sultan, A I Bazid, A H Hussein
Newcastle disease viruses (NDV) represent a major threat to poultry production worldwide. Recently in Egypt NDV circulated extensively, even in vaccinated farms. In the present study samples were collected from sixteen vaccinated broiler farms in animals exhibiting the typical gross lesions of NDV. Virus isolation and pathogenicity studies for positive samples were carried out in accordance to reference procedures and phylogenetic analysis was carried out based on partial sequences of the Fusion gene. Furthermore, in vivo investigation of the ability of heterologous antibody, induced by commercially available lentogenic strain-based vaccines, to efficiently reduce viral shedding was examined...
March 25, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28343046/perioperative-hemoglobin-a1c-as-a-predictor-of-deep-infection-following-single-level-lumbar-decompression-in-patients-with-diabetes
#8
Jourdan M Cancienne, Brian C Werner, Dennis Q Chen, Hamid Hassanzadeh, Adam L Shimer
BACKGROUND CONTEXT: Although multiple studies have cited diabetes mellitus as a risk factor decreased functional outcomes, increased infectious complications, and overall increased reoperation rate following degenerative lumbar spinal surgery, few have investigated how perioperative glycemic control influences such complications. PURPOSE: The primary goal of the present study was to use a national database to evaluate the association of perioperative glycemic control as demonstrated by Hemoglobin A1c levels in patients with diabetes undergoing primary, single level decompression without concomitant fusion with the incidence of deep postoperative infection following requiring operative irrigation and debridement...
March 22, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28343045/cervical-disc-arthroplasty-do-conflicts-of-interest-influence-the-outcome-of-clinical-studies
#9
REVIEW
Ankur S Narain, Fady Y Hijji, Kelly H Yom, Krishna T Kudaravalli, Kern Singh
BACKGROUND CONTEXT: Cervical disc arthroplasty (CDA) is an emerging technique for the treatment of cervical degenerative disease. Multiple studies have investigated the outcomes of CDA, particularly in comparison to cervical arthrodesis techniques such as anterior cervical discectomy and fusion (ACDF). As many entities have financial interests in CDA implants, it is imperative to consider the influence of conflicts of interest on the results of studies investigating the efficacy of CDA...
March 22, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28343026/comparison-of-unilateral-versus-bilateral-pedicle-screw-fixation-at-the-level-of-fracture-using-posterior-short-segment-pedicle-instrumentation-in-the-treatment-of-severe-thoracolumbar-burst-fractures
#10
Chao Sun, Xinhui Liu, Jiwei Tian, Guoping Guan, Hailong Zhang
BACKGROUND: Thoracolumbar burst fractures (TBFs) are often followed by bilateral pedicle screw fixation (BPSF) at the level of fracture using posterior short-segment pedicle instrumentation (SSPI). There has been increasing support for unilateral pedicle screw fixation (UPSF) in an attempt to reduce complications and costs. The aim of this study was to compare the clinical and radiologic results of UPSF versus BPSF at the level of fracture using SSPI in the treatment of severe TBFs. METHODS: The records of 42 consecutive patients with severe TBFs who underwent SSPI were divided into 2 groups according to the number of screws in the fracture level, including 20 patients (five screws) in UPSF group and 22 patients (six screws) in BPSF...
March 22, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28342920/which-is-the-more-appropriate-proximal-fusion-level-for-adult-lumbar-degenerative-flat-back
#11
Jeong-Hoon Choi, Jee-Soo Jang, Hyeun-Sung Kim, Il-Tae Jang
OBJECTIVE: To determine the optimal proximal fusion level after long instrumented fusion to the sacrum for lumbar degenerative flat back. METHODS: Data from 70 patients with lumbar degenerative flat back were reviewed retrospectively. Three groups were designated according to the upper instrumented vertebrae (UIV) : Group 1 (UIV = T10 or above), Group 2 (UIV = T11 to T12), and Group 3 (UIV = L1 or below). Preoperative and postoperative pelvic parameters, degree of correction, and prevalence of proximal junctional kyphosis (PJK) and its risk factors were evaluated...
March 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28342094/comparison-of-the-use-of-rhbmp-7-versus-iliac-crest-autograft-in-single-level-lumbar-fusion-a-meta-analysis-of-randomized-controlled-trials
#12
Fubiao Ye, Zhiyuan Zeng, Jianru Wang, Hui Liu, Hua Wang, Zhaomin Zheng
The aim of this study was to evaluate the safety and clinical effectiveness of rhBMP-7 (or osteogenic protein-1) versus that of autogenous iliac crest bone graft (ICBG) in single-level posterolateral fusion (PLF) of the lumbar spine. A systematic search of all articles published through July 1, 2016 was conducted in databases such as PubMed, EMBASE, Scopus, and the Cochrane Collaboration Library. Randomized controlled trials (RCTs) that compared rhBMP-7 with ICBG for the treatment of single-level degenerative spondylolisthesis, provided the fusion rate, clinical success rate, safety and adverse events report, operation time, and hospital stay durations as the outcome were assessed...
March 24, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28341088/the-latest-treatment-strategy-for-the-rheumatoid-hand-deformity
#13
Hajime Ishikawa
With a remarkable improvement in the pharmacotherapy of rheumatoid arthritis (RA), severely handicapped patients are very rare to see. Healing, repair and drug-free, and toward radical cure are coming to be possible. In the clinical practice, more than 50% of the patients are in remission. However, some patients are still difficult to reach remission due to comorbidities and economic burden. In the patient with clinical remission, smoldering synovitis so called "silent destructor" is often detected by ultrasonograpy or by synovial histology in the small joints of the hand...
March 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28340410/development-of-fusogenic-glass-surfaces-that-impart-spatiotemporal-control-over-macrophage-fusion-direct-visualization-of-multinucleated-giant-cell-formation
#14
James J Faust, Wayne Christenson, Kyle Doudrick, Robert Ros, Tatiana P Ugarova
Implantation of synthetic material, including vascular grafts, pacemakers, etc. results in the foreign body reaction and the formation of multinucleated giant cells (MGCs) at the exterior surface of the implant. Despite the long-standing premise that fusion of mononucleated macrophages results in the formation of MGCs, to date, no published study has shown fusion in context with living specimens. This is due to the fact that optical-quality glass, which is required for the majority of live imaging techniques, does not promote macrophage fusion...
March 2, 2017: Biomaterials
https://www.readbyqxmd.com/read/28340364/cervical-facet-force-analysis-after-disc-replacement-versus-fusion
#15
Vikas V Patel, Zachary R Wuthrich, Kirk C McGilvray, Matthew C Lafleur, Emily M Lindley, Derrick Sun, Christian M Puttlitz
BACKGROUND: Cervical total disc replacement was developed to preserve motion and reduce adjacent-level degeneration relative to fusion, yet concerns remain that total disc replacement will lead to altered facet joint loading and long-term facet joint arthrosis. This study is intended to evaluate changes in facet contact force, pressure and surface area at the treated and superior adjacent levels before and after discectomy, disc replacement, and fusion. METHODS: Ten fresh-frozen human cadaveric cervical spines were potted from C2 to C7 with pressure sensors placed into the facet joints of C3-C4 and C4-C5 via slits in the facet capsules...
March 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28339693/neuronal-signaling-repertoire-in-the-mammalian-sperm-functionality
#16
Alfredo Ramírez-Reveco, Franz Villarroel-Espíndola, Joan E Rodríguez-Gil, Ilona I Concha
The common embryonic origin has been a recurrent explanation to understand the presence of "neural receptors" in sperm. However, this designation has conditioned a bias marked by the classical neurotransmission model, dismissing the possibility that neurotransmitters can play specific roles in the sperm function by themselves. For instance, the launching of acrosome reaction, a fundamental sperm function, includes several steps that recall the process of presynaptic secretion. Unlike of postsynaptic neuron, whose activation is mediated by molecular interaction between neurotransmitter and postsynaptic receptors, the oocyte activation is not mediated by receptors, but by cytosolic translocation of sperm phospholipase (PLCζ)...
February 20, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339051/protective-effects-of-tacrolimus-on-podocytes-in-early-diabetic-nephropathy-in-rats
#17
Tao Peng, Xiangdi Chang, Jie Wang, Junhui Zhen, Xiangdong Yang, Zhao Hu
The aim of the present study was to investigate the protective effect of tacrolimus on early podocyte damage in rats with diabetic nephropathy (DN). A total of 38 normal male Sprague‑Dawley rats were randomly divided into four groups: Normal control group (group N; n=8), DN group (n=10), tacrolimus (FK506) treatment group (group F; n=10), benazepril (Lotensin) treatment group (group L; n=10). The rats in groups DN, F and L were administered with streptozotocin (STZ; 60 mg/kg) by intraperitoneal injection to establish the diabetic rat model...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338950/non-replicative-rna-recombination-of-an-animal-plus-strand-rna-virus-in-the-absence-of-efficient-translation-of-viral-proteins
#18
Maximiliane Kleine Büning, Denise Meyer, Sophia Austermann-Busch, Gleyder Roman-Sosa, Tillmann Rümenapf, Paul Becher
RNA recombination is a major driving force for the evolution of RNA viruses and is significantly implicated in the adaptation of viruses to new hosts, changes of virulence, as well as in the emergence of new viruses including drug-resistant and escape mutants. However, the molecular details of recombination in animal RNA viruses are only poorly understood. In order to determine whether viral RNA recombination depends on translation of viral proteins, a non-replicative recombination system was established which is based on cotransfection of cells with synthetic bovine viral diarrhea virus (family Flaviviridae) RNA genome fragments either lacking the internal ribosome entry site required for cap-independent translation or lacking almost the complete polyprotein coding region...
March 11, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28338736/microcompartmentation-of-cytosolic-aldolase-by-interaction-with-the-actin-cytoskeleton-in-arabidopsis
#19
Constantine Garagounis, Kalliopi-Ioanna Kostaki, Tim J Hawkins, Ian Cummins, Mark D Fricker, Patrick J Hussey, Alistair M Hetherington, Lee J Sweetlove
Evidence is accumulating for molecular microcompartments formed when proteins interact in localized domains with the cytoskeleton, organelle surfaces, and intracellular membranes. To understand the potential functional significance of protein microcompartmentation in plants, we studied the interaction of the glycolytic enzyme fructose bisphosphate aldolase with actin in Arabidopsis thaliana. Homology modelling of a major cytosolic isozyme of aldolase, FBA8, suggested that the tetrameric holoenzyme has two actin binding sites and could therefore act as an actin-bundling protein, as was reported for animal aldolases...
February 17, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28338654/tfeb-vegfa-6p21-1-co-amplified-renal-cell-carcinoma-a-distinct-entity-with-potential-implications-for-clinical-management
#20
Sounak Gupta, Sarah H Johnson, George Vasmatzis, Binu Porath, Jeannette G Rustin, Priya Rao, Brian A Costello, Bradley C Leibovich, R Houston Thompson, John C Cheville, William R Sukov
A subset of renal cell carcinomas shows TFEB overexpression secondary to MALAT1-TFEB gene fusion. As alternate mechanisms of TFEB overexpression are likely to have the same effect, we sought to determine the frequency of amplification of TFEB and the adjacent VEGFA gene at 6p21.1. As patients with metastatic renal cell carcinomas are managed with anti-VEGF therapies, we retrospectively assessed therapeutic response in patients with amplified tumors. Amplification status was analyzed for 875 renal cell carcinomas from our institution, a consultative case and 794 cases from The Cancer Genome Atlas...
March 24, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
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