Results 41 to 50 of about 4,335 (188)

Biomechanical Comparison of Same Size Transfacet Screws Versus Pedicle Screws Across the L5-S1 Native Disc [PDF]

, 2017
Objective: There is resurgence in facet screw use; however, there is a paucity of data comparing the stability of transfacet pedicle screws (TFPS) to standard pedicle screw-rod constructs at L5-S1.
KR Chin, Yu, W. D., Pencle, F J.R., WD Yu, Newcomb, A G.U., Newcomb, A. G.U., MT Reis, Reyes, P M, Reis, M T, Bruce, C A, AGU Newcomb, Chin, K. R., Chin, K R, FJR Pencle, D Malhotra, Malhotra, D, Yu, W D, Pencle, F. J.R., NR Crawford, Malhotra, D., Bruce, C. A., Crawford, N R, Reyes, P. M., CA Bruce, Crawford, N. R., Reis, M. T., PM Reyes   +26 more
core   +1 more source

Comparative analysis of the accuracy of pedicle screw insertion in surgical treatment of children with idiopathic scoliosis

Хирургия позвоночника, 2017
Objective. To perform comparative analysis of the accuracy of pedicle screw placement in spinal deformity correction in children with idio- pathic scoliosis using 3D-CT navigation. Material and Methods.
Dmitry N. Kokushin, Vladislav V. Murashko, Kirill A. Kartavenko, Nikita O. Khusainov   +3 more
doaj   +1 more source

Transpedicular Screw Placement Accuracy Using the O-Arm Versus Freehand Technique at a Single Institution

Global Spine Journal, 2022
Study Design: Retrospective cohort. Objective: The objective of this study was to assess the effectiveness of the O-arm as an intraoperative imaging tool by comparing accuracy of pedicle screw placement to freehand technique. Methods: The study comprised
Benjamin D. Crawford BS, Corbyn M. Nchako MD, Kelsey A. Rebehn MD, Heidi Israel PhD, Howard M. Place MD   +4 more
doaj   +1 more source

Stability of Pedicle Screws After Kyphoplasty Augmentation [PDF]

, 2006
Objective: The goal of this cadaver study was to compare the stability of pedicle screws after implantation in soft or cured kyphoplasty cement. Methods: Pedicle screws were inserted in a total of 30 thoracolumbar vertebrae of 10 different human ...
Lüring, Christian, Plitz, Wolfgang, Grifka, Joachim, Joachim Grifka, Oliver Linhardt, Corinna Hamberger, Jan Matussek, Linhardt, Oliver, Wolfgang Plitz, Christian Lüring, Hamberger, Corinna, Matussek, Jan   +11 more
core   +1 more source

Minimally Invasive Subaxial Cervical Pedicle Screw Placement with Routine Fluoroscopy: Cadaveric Feasibility Study and Report of 6 Clinical Cases [PDF]

Journal of Minimally Invasive Spine Surgery and Technique, 2022
Objective Conventional cervical pedicle screw insertion necessitates extensive paraspinal muscle dissection and retraction in order to achieve the lateral to medial angulation needed to achieve the optimal screw trajectory.
Umesh Srikantha, Parichay J Perikal, Akshay Hari, Yadhu K Lokanath, Nirmala Subramaniam, Aniruddha T Jagannatha, Ravi G Varma   +6 more
doaj   +1 more source

A comparison of the biomechanical stability of pedicle-lengthening screws and traditional pedicle screws [PDF]

, 2018
Aims The aim of this study was to compare the peak pull-out force (PPF) of pedicle-lengthening screws (PLS) and traditional pedicle screws (TPS) using instant and cyclic fatigue testing.
D. Xu, P. Sun, L. Qian, S. Zhong, C. Jiang, Y. Wang, M. Fu, J. Ouyang   +7 more
core   +1 more source

Biomechanics of posterior instrumentation in L1-L3 lateral interbody fusion: Pedicle screw rod construct vs. transfacet pedicle screws [PDF]

, 2016
© Published by Elsevier Ltd. Background The use of pedicle screws is the gold standard for supplemental posterior fixation in lateral interbody fusion. Information about the performance of transfacet pedicle screws compared to standard pedicle screws and
Newcomb, Anna G.U., Chin, Kingsley R., Hickam, Grace A., Crawford, Neil R., Gabriel, Josue, Reyes, Phillip M., Reis, Marco T., Sung, Roger D., Pencle, Fabio J.R.   +8 more
core   +1 more source

Pullout Performance Comparison of Novel Expandable Pedicle Screw With Expandable Poly-Ether Shells and Cement-Augmented Pedicle Screws [PDF]

, 2017
Aim of this study is to assess the pullout performance of various pedicle screws in different test materials. Polyurethane foams (Grade 10 and Grade 40) produced in laboratory and bovine vertebrae were instrumented with normal, cannulated (cemented ...
Usta, Yusuf, Aycan, Mehmet Fatih, Yaman, Mesut Emre, Tolunay, Tolga, Demir, Teyfik   +4 more
core   +1 more source

Freehand power-assisted pedicle screw placement in scoliotic patients: results on 5522 consecutive pedicle screws [PDF]

, 2022
Pedicle screws is the current gold standard in spine surgery, achieving a solid tricolumnar fixation which is unreachable by wires and hooks. The freehand technique is the most widely adopted for pedicle screws placing.
Ruffilli, A, M. Traversari, Faldini, C, Paolucci, A, Barile, F, D'Antonio, G, A. Rinaldi, A. Paolucci, G. D’Antonio, Viroli, G, G. Viroli, Rinaldi, A, F. Barile, C. Faldini, Manzetti, M, Ialuna, M, M. Ialuna, Traversari, M, A. Ruffilli, M. Manzetti   +19 more
core   +1 more source

A Bicortical Pedicle Screw in the Cephalad Trajectory Is the Best Option for the Fixation of an Osteoporotic Vertebra: A Finite Element Study

Spine Surgery and Related Research
Introduction: Pedicle screws are commonly used in fixation to treat various spinal disorders. However, screw loosening is a prevalent complication, particularly in patients with osteoporosis.
Akimasa Murata, Shunji Tsutsui, Ei Yamamoto, Takuhei Kozaki, Ryuichiro Nakanishi, Hiroshi Yamada   +5 more
doaj   +1 more source