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https://www.readbyqxmd.com/read/27889355/cervical-sagittal-alignment-in-adult-hyperkyphosis-treated-by-posterior-instrumentation-and-in-situ-bending
#1
F Paternostre, Y P Charles, E A Sauleau, J-P Steib
BACKGROUND: In the normal adult spine, a link between thoracolumbar and cervical sagittal alignment exists, suggesting adaptive cervical positional changes allowing horizontal gaze. In patients with thoracic hyperkyphosis, cervical adaptation to sagittal global alignment might be different from healthy individuals. However, this relationship has not clearly been reported in hyperkyphotic deformity. PURPOSE: The purpose of this study was to identify cervical sagittal alignment types observed on radiographs in young adults with thoracic hyperkyphosis...
November 23, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27879572/importance-of-distal-fusion-level-in-major-thoracolumbar-and-lumbar-adolescent-idiopathic-scoliosis-treated-by-rod-derotation-and-direct-vertebral-rotation-following-pedicle-screw-instrumentation
#2
Dong-Gune Chang, Jae Hyuk Yang, Se-Il Suk, Seung-Woo Suh, Young-Hoon Kim, Woojin Cho, Yeon-Seok Jeong, Jin-Hyok Kim, Kee-Yong Ha, Jung-Hee Lee
STUDY DESIGN: A retrospective comparative study. OBJECTIVE: To analyze the exact distal fusion level in the treatment of major thoracolumbar and lumbar (TL/L) adolescent idiopathic scoliosis (AIS) using rod derotation (RD) and direct vertebral rotation (DVR) following pedicle screw instrumentation (PSI). SUMMARY OF BACKGROUND DATA: Proper determination of distal fusion level is a very important factor in deformity correction and preservation of motion segments in the treatment of major TL/L AIS...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27873382/use-of-a-novel-board-game-in-a-clinical-rotation-for-learning-thoracic-differential-diagnoses-in-veterinary-medical-imaging
#3
Christopher P Ober
When confronted with various findings on thoracic radiographs, fourth-year veterinary students often have difficulty generating appropriate lists of differential diagnoses. The purpose of this one-group, pretest, posttest experimental study was to determine if a game could be used as an adjunct teaching method to improve students' understanding of connections between imaging findings and differential diagnoses. A novel board game focusing on differential diagnoses in thoracic radiography was developed. One hundred fourth-year veterinary students took a brief pretest, played the board game, and took a brief posttest as a part of their respective clinical radiology rotations...
November 21, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27871107/the-large-omnidirectional-child-lodc-atd-biofidelity-comparison-with-the-hybrid-iii-10-year-old
#4
Jason Stammen, Kevin Moorhouse, Brian Suntay, Michael Carlson, Yun-Seok Kang
When the Hybrid III 10-year old (HIII-10C) anthropomorphic test device (ATD) was adopted into Code of Federal Regulations (CFR) 49 Part 572 as the best available tool for evaluating large belt-positioning booster seats in Federal Motor Vehicle Safety Standard (FMVSS) No. 213, NHTSA stated that research activities would continue to improve the performance of the HIII-10C to address biofidelity concerns. A significant part of this effort has been NHTSA's in-house development of the Large Omnidirectional Child (LODC) ATD...
November 2016: Stapp Car Crash Journal
https://www.readbyqxmd.com/read/27869435/-adolescent-idiopathic-scoliosis
#5
(no author information available yet)
Adolescent idiopathic scoliosis is a 3D spinal deformity in frontal, sagittal and axial planes, with high relevance in the pediatric population especially in adolescents and females between 10 years of age and the end of growth spurt and skeletal maturity. The radiographic manifestation is a curve greater than 10° measured by Cobb method associated with vertebral rotation. "Idiopathic" diagnosis has to be done after neuroanatomical anomalies of the posterior cerebral fosa and spinal canal have been ruled out...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27861399/factors-affecting-pelvic-rotation-in-idiopathic-scoliosis-analysis-of-85-cases-in-a-single-center
#6
Yunfei Zhao, Lin Qi, Jun Yang, Xiaodong Zhu, Changwei Yang, Ming Li
Pelvic rotation (PR) is commonly seen in patients with idiopathic scoliosis (IS), but factors contributing to this phenomenon and its relationship with the surgical outcome are not well established.This retrospective study included 85 IS patients in 2 groups: thoracic curve dominance group (group A) and lumbar curve dominance group (group B). Pre- and postoperative PR was measured on standing posteroanterior radiographs by the left/right ratio (L/R ratio) of horizontal distance between the anterior superior iliac spine (ASIS) and the inferior ilium (SI) at the sacroiliac joint on the same side in both groups...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27861214/body-mass-hides-the-curve-thoracic-scoliometer-readings-vary-by-body-mass-index-value
#7
Adam Margalit, Greg McKean, Adam Constantine, Carol B Thompson, Rushyuan Jay Lee, Paul D Sponseller
BACKGROUND: Guidelines suggest referral for scoliosis when rib slope (scoliometer measurement, angle of trunk rotation) is ≥7 degrees. We hypothesized that overweight and obese patients would have lower scoliometer measurements compared with normal-weight and underweight patients for a given spinal curvature, causing overweight and obese patients with adolescent idiopathic scoliosis to present for treatment later and with larger curves. Our goal was to determine the association between scoliometer readings and major curve magnitudes in relation to body mass index (BMI)...
November 17, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27858208/a-cable-driven-soft-robot-surgical-system-for-cardiothoracic-endoscopic-surgery-preclinical-tests-in-animals
#8
Hesheng Wang, Runxi Zhang, Weidong Chen, Xiaozhou Wang, Rolf Pfeifer
BACKGROUND: Minimally invasive surgery attracts more and more attention because of the advantages of minimal trauma, less bleeding and pain and low complication rate. However, minimally invasive surgery for beating hearts is still a challenge. Our goal is to develop a soft robot surgical system for single-port minimally invasive surgery on a beating heart. MATERIALS AND METHODS: The soft robot described in this paper is inspired by the octopus arm. Although the octopus arm is soft and has more degrees of freedom (DOFs), it can be controlled flexibly...
November 17, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27844226/clinical-balance-tests-proprioceptive-system-and-adolescent-idiopathic-scoliosis
#9
Morgane Le Berre, Marc-Alexandre Guyot, Olivier Agnani, Isabelle Bourdeauducq, Marie-Christine Versyp, Cécile Donze, André Thévenon, Jean-Francois Catanzariti
PURPOSE: Adolescent idiopathic scoliosis (AIS) is a three-dimensional deformity of the spinal column of unknown etiology. Multiple factors could be involved, including neurosensory pathways and, potentially, an elective disorder of dynamic proprioception. The purpose of this study was to determine whether routine balance tests could be used to demonstrate an elective alteration of dynamic proprioception in AIS. METHODS: This was a multicentre case-control study based on prospectively collected clinical data, in three hospitals pediatric, with spine consultation, from January 2013 through April 2015...
November 14, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27831964/selective-anterior-thoracolumbar-fusion-in-adolescent-idiopathic-scoliosis-long-term-results-after-17-year-follow-up
#10
Renato Delfino, Javier Pizones, Cristina Ruiz, Felisa Sánchez-Mariscal, Lorenzo Zúñiga, Enrique Izquierdo
STUDY DESIGN: Prospectively-updated long-term data and retrospective case series analysis. OBJECTIVE: To report the long-term results of selective anterior instrumented thoracolumbar (ThL) fusion in adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: The results of anterior selective fusion in AIS have been reported up to 2 and 5 years follow-up. However, there is a lack of evidence of long-term results of this surgical approach...
November 9, 2016: Spine
https://www.readbyqxmd.com/read/27792114/restrained-differential-growth-the-initiating-event-of-adolescent-idiopathic-scoliosis
#11
Tom Joris Crijns, Agnita Stadhouder, Theodoor Henri Smit
STUDY DESIGN: Experimental model study and a short review of literature. OBJECTIVE: The purpose of this study was to explore a new hypothesis suggesting that the curvatures seen in adolescent idiopathic scoliosis (AIS) originate from restrained differential growth between the vertebral column and the surrounding musculo-ligamentary structures. SUMMARY OF BACKGROUND DATA: Despite decades of research, there is no generally accepted theory on the physical origin of the severe spinal deformations seen in adolescent idiopathic scoliosis...
October 25, 2016: Spine
https://www.readbyqxmd.com/read/27785479/severe-progressive-scoliosis-in-an-adult-female-possibly-secondary-thoracic-surgery-in-childhood-treated-with-scoliosis-specific-schroth-physiotherapy-case-presentation
#12
Andrea Lebel, Victoria Ashley Lebel
BACKGROUND: Scoliosis is a complex three-dimensional (3D) spinal deformity. Acquired scoliosis in early childhood may progress into adulthood and pose an increased risk of health problems and reduction in quality of life. In Canada, patients with scoliosis are not referred for physiotherapeutic scoliosis-specific exercises (PSSE) despite the fact that Schroth physiotherapy, a scoliosis-specific 3D posture training and exercise program, can be effective in reducing pain and improving scoliosis curves, vital capacity, and overall quality of life in scoliosis patients...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27785478/outcome-of-intensive-outpatient-rehabilitation-and-bracing-in-an-adult-patient-with-scheuermann-s-disease-evaluated-by-radiologic-imaging-a-case-report
#13
Hagit Berdishevsky
BACKGROUND: No studies examine the efficacy of intensive specific physical therapy (PT) exercises along with brace for the adult with Scheuermann's kyphosis (SK). The aim of this study was to examine the effects of intensive PT based on the Barcelona Scoliosis Physical Therapy School (BSPTS) and SpinoMed brace on a 76-year-old female with SK. CASE DESCRIPTION: A 76-year-old female, diagnosed with SK as an adolescent, presented in October 2014 with thoracic hyperkyphosis T1 to T12 Cobb angle of 85° and lumbar hyper lordosis L1 to L5 Cobb angle of 70°...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27785474/idiopathic-and-normal-lateral-lumbar-curves-muscle-effects-interpreted-by-12th-rib-length-asymmetry-with-pathomechanic-implications-for-lumbar-idiopathic-scoliosis
#14
Theodoros B Grivas, R Geoffrey Burwell, Vasileios Kechagias, Christina Mazioti, Apostolos Fountas, Dimitra Kolovou, Evangelos Christodoulou
BACKGROUND: The historical view of scoliosis as a primary rotation deformity led to debate about the pathomechanic role of paravertebral muscles; particularly multifidus, thought by some to be scoliogenic, counteracting, uncertain, or unimportant. Here, we address lateral lumbar curves (LLC) and suggest a pathomechanic role for quadrates lumborum, (QL) in the light of a new finding, namely of 12th rib bilateral length asymmetry associated with idiopathic and small non-scoliosis LLC. METHODS: Group 1: The postero-anterior spinal radiographs of 14 children (girls 9, boys 5) aged 9-18, median age 13 years, with right lumbar idiopathic scoliosis (IS) and right LLC less that 10°, were studied...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27766198/igg4-related-lung-disease-extending-to-the-thoracic-vertebrae
#15
Alexandros Stamatopoulos, Davide Patrini, Efstratios Koletsis, Elaine Borg, Reena Khiroya, Martin Hayward, David Lawrence, Nikolaos Panagiotopoulos
IgG4-related disease (IgG4-RD) is a fibroinflammatory condition that can affect practically every organ. Although it was first identified in pancreas and salivary glands, major organs like liver, biliary tree, kidney, thyroid glands and lungs are commonly involved, sometimes resulting in organ failure. We describe a case of an 41-year-old man presented with back pain after a rotator cuff injury. A Computed Tomography (CT) revealed incidentally a right lower lobe paravertebral lesion extending across the T5 and T6 vertebral levels and invading into the adjacent pleural surface...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27764749/position-of-the-major-curve-influences-asymmetrical-trunk-kinematics-during-gait-in-adolescent-idiopathic-scoliosis
#16
Mitsuhiro Nishida, Takeo Nagura, Nobuyuki Fujita, Naobumi Hosogane, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Kota Watanabe
BACKGROUND AND PURPOSE: Adolescent idiopathic scoliosis (AIS) is a structural, lateral curvature with rotation of the spine that develops around puberty. The influence of this spinal deformity on three-dimensional trunk movements during gait has not yet been elucidated. The aim of this study was to determine the influence of spinal curve pattern (single thoracic curve vs. single lumbar curve) on trunk kinematics during gait. METHODS: Twenty-two patients with a single thoracic curve (Lenke type 1) and 17 patients with a single lumbar curve (Lenke type 5) were included in this study...
October 11, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27750078/how-does-differential-rod-contouring-contribute-to-3-dimensional-correction-and-affect-the-bone-screw-forces-in-adolescent-idiopathic-scoliosis-instrumentation
#17
Xiaoyu Wang, Laure Boyer, Franck Le Naveaux, Richard M Schwend, Carl-Eric Aubin
BACKGROUND: Differential rod contouring is used to achieve 3-dimensional correction in adolescent idiopathic scoliosis instrumentations. How vertebral rotation correction is correlated with the amount of differential rod contouring is still unknown; too aggressive differential rod contouring may increase the risk of bone-screw connection failure. The objective was to assess the 3-dimensional correction and bone-screw forces using various configurations of differential rod contouring. METHODS: Computerized patient-specific biomechanical models of 10 AIS cases were used to simulate AIS instrumentations using various configurations of differential rod contouring...
October 6, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/27740944/range-optimization-for-mono-and-bi-energetic-proton-modulated-arc-therapy-with-pencil-beam-scanning
#18
Daniel Sanchez-Parcerisa, Maura Kirk, Marcus Fager, Brendan Burgdorf, Malorie Stowe, Tim Solberg, Alejandro Carabe
The development of rotational proton therapy plans based on a pencil-beam-scanning (PBS) system has been limited, among several other factors, by the energy-switching time between layers, a system-dependent parameter that ranges between a fraction of a second and several seconds. We are investigating mono- and bi-energetic rotational proton modulated arc therapy (PMAT) solutions that would not be affected by long energy switching times. In this context, a systematic selection of the optimal proton energy for each arc is vital...
October 14, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27739946/posterior-only-surgical-correction-of-dystrophic-scoliosis-in-31-patients-with-neurofibromatosis-type-1-using-the-multiple-anchor-point-method
#19
Ang Deng, Hong-Qi Zhang, Ming-Xing Tang, Shao-Hua Liu, Yu-Xiang Wang, Qi-Le Gao
OBJECTIVE The objective of this study was to evaluate the clinical efficacy of posterior-only surgical correction of dystrophic scoliosis in patients with neurofibromatosis Type 1 (NF1) using a multiple anchor point method (MAPM). METHODS From 2005 to 2014, 31 patients (mean age 13.5 years old, range 10-22 years old) suffering from dystrophic scoliosis associated with NF1 underwent posterior-only surgical correction using a MAPM. The apex of the deformity was thoracic (n = 25), thoracolumbar (n = 4), and lumbar (n = 2)...
October 14, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27735063/the-effect-of-sliding-humeral-osteotomy-sho-on-frontal-plane-thoracic-limb-alignment-an-ex-vivo-canine-cadaveric-study
#20
Adam H Breiteneicher, Bo Norby, Kurt S Schulz, Sharon C Kerwin, Don A Hulse, Derek B Fox, W Brian Saunders
OBJECTIVE: To determine the effect of sliding humeral osteotomy (SHO) on frontal plane thoracic limb alignment in standing and recumbent limb positions. STUDY DESIGN: Canine cadaveric study. SAMPLE POPULATION: Canine thoracic limbs (n=15 limb pairs). METHODS: Limbs acquired from healthy Labrador Retrievers euthanatized for reasons unrelated to this study were mounted in a limb press and aligned in a standing position followed by axial loading at 30% body weight...
October 13, 2016: Veterinary Surgery: VS
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