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https://www.readbyqxmd.com/read/28441683/geometric-torsion-in-adolescent-idiopathic-scoliosis-a-new-method-to-differentiate-between-lenke-1-subtypes
#1
Jesse Shen, Samuel Kadoury, Hubert Labelle, Marjolaine Roy-Beaudry, Carl-Éric Aubin, Stefan Parent
STUDY DESIGN: Consecutive case series. OBJECTIVE: To study geometric torsion in thoracic adolescent idiopathic scoliosis (AIS) to propose it as a numerical three-dimensional (3D) parameter that quantifies the scoliosis deformity. SUMMARY OF BACKGROUND DATA: AIS is a 3D deformity of the spine. The most widely accepted and used classification systems, however, still rely on two-dimensional aspects of x-rays. Yet, a 3D classification of AIS remains elusive because there is no widely accepted 3D parameter in the clinical practice...
May 1, 2017: Spine
https://www.readbyqxmd.com/read/28441310/a-dose-response-curve-for-a-gram-negative-spinal-implant-infection-model-in-rabbits
#2
Joseph L Laratta, Jamal N Shillingford, Nathan Hardy, Ronald A Lehman, Lawrence G Lenke, K Daniel Riew
STUDY DESIGN: Randomized complete block animal spinal implant infection model with internal control. OBJECTIVE: To develop a spinal implant animal infection model to simulate postoperative gram-negative wound infection. SUMMARY OF BACKGROUND DATA: Implant-associated surgical site infections (SSI) remain a dreaded complication of spinal surgery. Currently, over 30% of all spine SSIs are secondary to gram-negative bacteria. Traditional animal models have utilized gram-positive inoculums to simulate postoperative infection, but there exists no model in the literature for gram-negative infection in the setting of spinal instrumentation...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28437336/both-bilateral-breast-volume-discrepancy-and-asymmetric-anterior-chest-wall-shape-contribute-to-the-unsightly-breast-contour-in-female-right-thoracic-idiopathic-scoliosis
#3
Benlong Shi, Saihu Mao, Xu Sun, Leilei Xu, Feng Zhu, Zezhang Zhu, Bangping Qian, Weijun Wang, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: To evaluate the asymmetry of breast volume (BV) and shape in female adolescent idiopathic scoliosis (AIS) patients and to define their relationship with deformed components of the anterior chest wall and curved spine. SUMMARY OF BACKGROUND DATA: The higher incidence of asymmetric breast development in AIS was described by prior studies. However, the interplay between scoliosis curve magnitude and severity of breast asymmetry (BA) are unknown...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28417221/co-localization-of-zinc-transporter-3-znt3-with-sensory-neuromediators-and-or-neuromodulators-in-the-enteric-nervous-system-of-the-porcine-esophagus
#4
Joanna Wojtkiewicz, Liliana Rytel, Krystyna Makowska, Sławomir Gonkowski
Zinc transporter 3 (ZnT3) is one of the zinc transporters family. It is closely connected to the nervous system, where enables the transport of zinc ions from the cytoplasm to synaptic vesicles. This substance has been described within the central and peripheral nervous system, especially in the enteric nervous system (ENS). The aim of the present study was to describe the co-localization of ZnT3 with selected neuromediators and/or neuromodulators participating in sensory stimuli conduction in neurons of the ENS within the porcine esophagus...
April 17, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28416835/-polymethylmethacrylate-augmentation-of-bone-cement-injectable-cannulated-pedicle-screws-was-used-to-treat-degenerative-lumbar-scoliosis-with-osteoporosis
#5
H L Sun, C D Li, X W Li, X D Yi, H Liu, H L Lu, H Li, Z R Yu, Y Wang
OBJECTIVE: To describe the application of polymethylmethacrylate (PMMA) augmentation of cement-injectable cannulated pedicle screws for the treatment of degenerative lumbar scoliosis with osteoporosis. METHODS: Retrospective cohort study was used to compare cement injectable cannulated pedicle screws (CICPs) group with PMMA augmentation and control group with traditional method in the correction surgery for Lenke-silva level III and level IV degenerative scoliosis cases with osteoporosis...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28399544/intrawound-tobramycin-powder-eradicates-surgical-wound-contamination-an-in-vivo-rabbit-study
#6
Joseph L Laratta, Jamal N Shillingford, Nathan Hardy, Joseph M Lombardi, Comron Saifi, Alexander Romanov, Lawrence G Lenke, Ronald A Lehman, K Daniel Riew
STUDY DESIGN: Therapeutic anti-infective trial in rabbitsOBJECTIVE.: The purpose of the present study was to assess the efficacy of intrawound tobramycin powder in terms of eradicating a known bacterial contamination in an Escherichia coli infected rabbit spinal implantation model. SUMMARY OF BACKGROUND DATA: Implant-associated surgical site infections (SSI) remain a dreaded complication of spinal surgery. Currently, over 30% of all spine SSIs are secondary to gram-negative bacteria...
April 10, 2017: Spine
https://www.readbyqxmd.com/read/28389887/selective-versus-hyperselective-posterior-fusions-in-lenke-5-adolescent-idiopathic-scoliosis-comparison-of-radiological-and-clinical-outcomes
#7
B Ilharreborde, E Ferrero, A Angelliaume, Y Lefèvre, F Accadbled, A L Simon, J Sales de Gauzy, K Mazda
PURPOSE: Recent literature has reported that the ]progression risk of Lenke 5 adolescent idiopathic scoliosis (AIS) during adulthood had been underestimated. Surgery is, therefore, proposed more to young patients with progressive curves. However, choice of the approach and fusion levels remains controversial. The aim of this study was to analyze the influence of the length of posterior fusion on clinical and radiological outcomes in Lenke 5 AIS. METHODS: All Lenke 5 AIS operated between 2008 and 2012 were included with a minimum 2-year follow-up...
April 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28379517/convex-rod-derotation-maneuver-on-lenke-type-i-adolescent-idiopathic-scoliosis
#8
Huang Zifang, Fan Hengwei, Deng Yaolong, Sui Wenyuan, Wang Qifei, Cao Lei, Fobao Li, Yang Junlin
BACKGROUND: Convex-rod derotation may have potential advantages for adolescent idiopathic scoliosis (AIS) correction; however, study of this technique has been limited. OBJECTIVE: To compare the radiographic outcomes of Lenke type I AIS patients treated by the convex- or concave-rod derotation maneuvers. METHODS: A retrospective study was designed to compare 2 cohorts, including 81 Lenke type I AIS patients treated with convex-rod derotation (n = 38) or concave-rod derotation (n = 43), between July 2008 and September 2012...
April 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28350940/recent-and-emerging-advances-in-spinal-deformity
#9
Justin S Smith, Christopher I Shaffrey, Shay Bess, Mohammed F Shamji, Darrel Brodke, Lawrence G Lenke, Michael G Fehlings, Virginie Lafage, Frank Schwab, Alexander R Vaccaro, Christopher P Ames
BACKGROUND: Over the last several decades, significant advances have occurred in the assessment and management of spinal deformity. OBJECTIVE: The primary focus of this narrative review is on recent advances in adult thoracic, thoracolumbar, and lumbar deformities, with additional discussions of advances in cervical deformity and pediatric deformity. METHODS: A review of recent literature was conducted. RESULTS: Advances in adult thoracic, thoracolumbar, and lumbar deformities reviewed include the growing applications of stereoradiography, development of new radiographic measures and improved understanding of radiographic alignment objectives, increasingly sophisticated tools for radiographic analysis, strategies to reduce the occurrence of common complications, and advances in minimally invasive techniques...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28349268/segmental-vs-non-segmental-thoracic-pedicle-screws-constructs-in-adolescent-idiopathic-scoliosis-is-there-any-implant-alloy-effect
#10
Mario Di Silvestre, Georgeous Bakaloudis, Carlo Ruosi, Valerio Pipola, Gianluca Colella, Tiziana Greggi, Alberto Ruffilli, Francesco Vommaro
PURPOSE: The aim of this study is to understand how many anchor sites are necessary to obtain maximum posterior correction of idiopathic scoliotic curve and if the alloy of instrumentation, stainless steel or titanium, may have a role in the percent of scoliosis correction. METHODS: We reviewed 143 consecutive patients, affected by AIS (Lenke 1-2), who underwent a posterior spinal fusion with pedicle screw-only instrumentation between 2002 and 2005. According to the implant density and alloy used we divided the cohort in four groups...
March 27, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28330700/the-effect-of-kinesio-taping-on-back-pain-in-patients-with-lenke-type-1-adolescent-idiopathic-scoliosis-a-randomized-controlled-trial
#11
Yunus Atici, Canan Gonen Aydin, Aysegul Atici, Mehmet Ozbey Buyukkuscu, Yavuz Arikan, Mehmet Bulent Balioglu
PURPOSE: This study investigated the short-term effects of KT on back pain (BP) in patients with Lenke Type 1 adolescent idiopathic scoliosis (AIS). METHODS: We chosen Lenke Type 1 scoliosis who have had only back pain (the localization of the pain: the only in the apical convex edge). Forty patients suffering from BP with Lenke Type 1 AIS were randomly separated into two groups, Group 1 (20 patients) and Group 2 (20 patients). Group 1 was given KT with tension and home exercises and Group 2 was given KT without tension and home exercises...
March 19, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28323715/the-safety-and-strength-of-a-novel-medial-partial-nonthreaded-pedicle-screw-a-cadaveric-and-biomechanical-investigation
#12
Mun Keong Kwan, Chris Yin Wei Chan, Lim Beng Saw, Shanmugam Rukmanikanthan, Lawrence G Lenke
STUDY DESIGN: Cadaveric and biomechanical study. OBJECTIVE: The aim of this study was to assess the safety and pullout strength of medial, partial nonthreaded thoracic pedicle screws compared with conventional screws. SUMMARY OF BACKGROUND DATA: The perforation rate of the pedicle screws has been reported as high as 41%. Nerve injury and irritation can result from the compression of malpositioned screw on neural structures. METHODS: Ten fresh cadavers were studied...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28317507/effects-of-a-hybrid-online-and-in-person-training-program-designed-to-reduce-alcohol-sales-to-obviously-intoxicated-patrons
#13
Traci L Toomey, Kathleen M Lenk, Darin J Erickson, Keith J Horvath, Alexandra M Ecklund, Dawn M Nederhoff, Shanda L Hunt, Toben F Nelson
OBJECTIVE: Overservice of alcohol (i.e., selling alcohol to intoxicated patrons) continues to be a problem at bars and restaurants, contributing to serious consequences such as traffic crashes and violence. We developed a training program for managers of bars and restaurants, eARM™, focusing on preventing overservice of alcohol. The program included online and face-to-face components to help create and implement establishment-specific policies. METHOD: We conducted a large, randomized controlled trial in bars and restaurants in one metropolitan area in the midwestern United States to evaluate effects of the eARM program on the likelihood of selling alcohol to obviously intoxicated patrons...
March 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28282697/-initial-clinical-experiences-using-ocriplasmin-for-the-treatment-of-vitreomacular-traction-with-or-without-a-macular-hole
#14
J Lenk, E Matthé, S Ventzke, L E Pillunat, D Sandner
Purpose In vitreomacular traction (VMT), there is abnormal adhesion between the vitreous cortex and the retina, especially in the fovea. Symptoms of VMT include metamorphopsia and a decrease in visual acuity. Since 2013, ocriplasmin (Jetrea®) has been approved for treatment of symptomatic vitreomacular traction with or without macular holes (≤ 400 µm). Methods We retrospectively examined twenty-three eyes of twenty-one patients who underwent intravitreal ocriplasmin treatment for symptomatic vitreomacular traction with or without macular holes...
March 10, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28277384/key-vertebral-pedicle-screw-strategy-for-the-correction-of-flexible-lenke-type-1-adolescent-idiopathic-scoliosis-a-preliminary-study-of-a-5-year-minimum-radiographic-follow-up
#15
Fei Wang, Xiao-Yi Zhou, Yi-Lin Yang, Xi-Ming Xu, Jing-Feng Li, Yu-Shu Bai, Xiao-Dong Zhu, Ming Li, Xian-Zhao Wei
STUDY DESIGN: A retrospective clinical and radiographic study. OBJECTIVE: To evaluate outcomes of the key vertebral pedicle screw strategy (KVPSS) for the correction of flexible Lenke type 1 adolescent idiopathic scoliosis (AIS) with a minimum follow-up of 5 years. SUMMARY OF BACKGROUND DATA: The KVPSS has been described as an alternative screw placement strategy for surgically treating the main thoracic curve in AIS patients. However, there have been no long-term, three-dimensional correction studies of selective thoracic fusion using the KVPSS in Lenke type 1AIS...
March 8, 2017: Spine
https://www.readbyqxmd.com/read/28276642/role-of-clavicle-chest-cage-angle-difference-in-predicting-postoperative-shoulder-balance-in-lenke-5c-adolescent-idiopathic-scoliosis-patients-after-selective-posterior-fusion
#16
Zhen Liu, Zong-Shan Hu, Yong Qiu, Zhen Zhang, Zhi-Hui Zhao, Xiao Han, Ze-Zhang Zhu
OBJECTIVE: To evaluate the role of preoperative clavicle chest cage angle difference (CCAD) on postoperative radiographic shoulder imbalance, patient's satisfaction and surgeon's fulfillment in Lenke 5 adolescent idiopathic scoliosis (AIS). CCAD, as a novel radiographic parameter, has proven to be a reliable predictor for postoperative shoulder imbalance in Lenke 1 AIS patients. However, the value of CCAD in predicting shoulder balance has never been evaluated in Lenke 5 AIS patients...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28269649/understanding-the-role-of-astrocytic-gaba-in-simulated-neural-networks
#17
Kerstin Lenk, Eero Raisanen, Jari A K Hyttinen
Astrocytes actively influence the behavior of the surrounding neuronal network including changes of the synaptic plasticity and neuronal excitability. These dynamics are altered in diseases like Alzheimer's, where the release of the gliotransmitter GABA is increased by affected, so called reactive astrocytes. In this paper, we aim to simulate a neural network with altered astrocytic GABA release. Therefore, we use our developed neuron-astrocyte model, called INEXA, which includes astrocyte controlled tripartite synapses and the astrocyte-astrocyte interaction...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28259266/predictors-of-health-related-quality-of-life-after-complex-adult-spinal-deformity-surgery-a-scoli-risk-1-secondary-analysis
#18
Leah Y Carreon, Steven D Glassman, Christopher I Shaffrey, Michael G Fehlings, Benny Dahl, Christopher P Ames, Yukihiro Matsuyama, Yong Qiu, Hossein Mehdian, Kenneth M C Cheung, Frank J Schwab, Ferran Pellisé, Khaled M Kebaish, Lawrence G Lenke
STUDY DESIGN: Longitudinal cohort. OBJECTIVES: To identify variables that predict 2-year Short Form-36 Physical Composite Summary Score (SF-36PCS) and the Scoliosis Research Society-22R (SRS22-R) Total score after surgery for complex adult spinal deformity. SUMMARY OF BACKGROUND DATA: Increasingly, treatment effectiveness is assessed by the extent to which the procedure improves a patient's health-related quality of life (HRQOL). This is especially true in patients with complex adult spinal deformity...
March 2017: Spine Deformity
https://www.readbyqxmd.com/read/28239974/simultaneous-monitoring-of-monoamines-amino-acids-nucleotides-and-neuropeptides-by-liquid-chromatography-tandem-mass-spectrometry-and-its-application-to-neurosecretion-in-bovine-chromaffin-cells
#19
Aneta Wojnicz, José Avendaño-Ortiz, Ricardo de Pascual, Lucía Ruiz-Pascual, Antonio G García, Ana Ruiz-Nuño
The primary functions of adrenal medullary chromaffin cells are the synthesis and storage in their chromaffin vesicles of the catecholamines noradrenaline (NA) and adrenaline (AD), and their subsequent release into the bloodstream by Ca(2+) -dependent exocytosis under conditions of fear or stress (fight or flight response). Several monoamines, nucleotides and opiates, such as leucine-enkephalin (LENK) and methionine-enkephalin (MENK), are also co-stored and co-released with the catecholamines. However, other neurotransmitters have not been studied in depth...
August 2016: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28227907/understanding-the-role-of-astrocytic-gaba-in-simulated-neural-networks
#20
Kerstin Lenk, Eero Raisanen, Jari A K Hyttinen, Kerstin Lenk, Eero Raisanen, Jari A K Hyttinen, Kerstin Lenk, Jari Ak Hyttinen, Eero Raisanen
Astrocytes actively influence the behavior of the surrounding neuronal network including changes of the synaptic plasticity and neuronal excitability. These dynamics are altered in diseases like Alzheimer's, where the release of the gliotransmitter GABA is increased by affected, so called reactive astrocytes. In this paper, we aim to simulate a neural network with altered astrocytic GABA release. Therefore, we use our developed neuron-astrocyte model, called INEXA, which includes astrocyte controlled tripartite synapses and the astrocyte-astrocyte interaction...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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