Results 101 to 110 of about 4,033 (211)

Use of Supplemental Short Pre-Contoured Accessory Rods and Cobalt Chrome Alloy Posterior Rods Reduces Primary Rod Strain and Range of Motion Across the Pedicle Subtraction Osteotomy Level:An In Vitro Biomechanical Study

, 2016
STUDY DESIGN: In vitro cadaveric biomechanical study.OBJECTIVE: To assess effects of 4-rod reconstruction, rod material, and anterior column support on motion and surface rod strain in a pedicle subtraction osteotomy model.SUMMARY OF BACKGROUND DATA ...
Wu, Ai-Min, Jenkins, Sean, Gehrchen, Poul Martin, Bucklen, Brandon S, Hallager, Dennis Winge, Harris, Jonathan A, Gudipally, Manasa, Dahl, Benny   +7 more
core   +1 more source

Role of T2 pedicle subtraction osteotomy in rigid cervicothoracic sagittal imbalance correction: A case series with technical details

Journal of Craniovertebral Junction and Spine
Background: Correction of rigid cervicothoracic sagittal imbalance is technically demanding, especially in patients with prior cervical fusion or ankylosing spondylitis.
Mohsen Rostami, Bayard R. Wilson, Daniel I. Wolfson, Sadegh Bagherzadeh, Christina A. Rogers, Vincent C. Traynelis, Ricardo B. V. Fontes   +6 more
doaj   +1 more source

Pedicle Subtraction Osteotomies for Correcting Sagittal Imbalance

, 2012
Background Data: Restoration of sagittal balance typically involves Smith Peterson osteotomy (SPO) or pedicle subtraction osteotomy (PSO). Since 2008, PSO was used for patients with kyphosis at our centers. Purpose: The aim of this study is to report the
Mohammad El-Sharkawi, Yasser ElMiligui, Essam El-Sherif, Wael Koptan   +3 more
core   +1 more source

Clinical results and surgery tactics of spinal osteotomy for ankylosing spondylitis kyphosis: experience of 428 patients

Journal of Orthopaedic Surgery and Research, 2019
Objective To report the clinical results and surgical tactics of spinal osteotomy for ankylosing spondylitis (AS) kyphosis based on the experiences of 428 patients.
Zhijun Xin, Guoquan Zheng, Peng Huang, Xuesong Zhang, Yan Wang   +4 more
doaj   +1 more source

Application of full-balance-integrated technique in asymmetrical pedicle subtraction osteotomy for treating fixed degenerative lumbar kyphoscoliosis

, 2015
SummaryA 56-year-old female patient experienced mild back pain, which radiated to her legs, as well as intermittent claudication for 5 years. The symptoms became more pronounced on sitting and walking, and conservative therapy was ineffective in ...
Lee, Ming-Hsueh, Huang, Kuo-Feng, Hsu, Hsien-Ta   +2 more
core   +1 more source

Clinical and radiologic outcomes of posterior column extension, pedicle subtraction, and vertebral column resection osteotomies in adult chin on chest deformity: A systematic review

North American Spine Society Journal
Background: Chin-on-chest deformity is a rare and severely disabling condition characterized by kyphotic deformity in the cervicothoracic spine. To treat this deformity, various osteotomy techniques were described.
Ergin Coskun, MD, Ian J. Wellington, MD, Chirag Chaudhary, MD, Kathleen Crea, MLS, Mark P. Cote, DPT, MSCTR, John M. Rhee, MD, Scott Mallozzi, MD, Isaac L. Moss, MDCM, MASc, FRCSC, Hardeep Singh, MD   +8 more
doaj   +1 more source

Transpedicular lower vertebral space osteotomy for thoracolumbar kyphosis secondary to old osteoporotic vertebral compression fractures

Frontiers in Surgery
BackgroundDespite rapid developments in spinal osteotomy techniques, many inevitable short- and long-term complications still occur. The objective of this study is to evaluate the clinical efficacy of transpedicular lower vertebral space osteotomy for ...
YuDong Xia, Li Li, Jie Qin
doaj   +1 more source

Biomechanical and clinical evaluation of PSO, modified PSO and VCR treating OVCF kyphosis: a finite element analysis

Frontiers in Bioengineering and Biotechnology
ObjectiveTo confirm the effect of surgery on spinal column biomechanics and to provide theoretical support for the advantages and disadvantages of different surgical methods and their clinical efficacy.Methods33 continuous patients with no significant ...
Junyu Li, Junyu Li, Junyu Li, Lizhi Xu, Lizhi Xu, Lizhi Xu, Haotian Wang, Haotian Wang, Haotian Wang, Yinhao Liu, Yinhao Liu, Yinhao Liu, Zhuoran Sun, Zhuoran Sun, Zhuoran Sun, Yongqiang Wang, Yongqiang Wang, Yongqiang Wang, Miao Yu, Miao Yu, Miao Yu, Weishi Li, Weishi Li, Weishi Li, Yan Zeng, Yan Zeng, Yan Zeng   +26 more
doaj   +1 more source

A Preliminary Algorithm Using Spine Measurement Software to Predict Sagittal Alignment Following Pedicle Subtraction Osteotomy

, 2017
Study Design: Retrospective case series. Objective: To evaluate if spine measurement software can simulate sagittal alignment following pedicle subtraction osteotomy (PSO).
Robert K. Merrill, Jun S. Kim, Samuel K. Cho, Dante M. Leven, Joshua J. Meaike, Joung Heon Kim   +5 more
core   +1 more source

Technique of cervicothoracic junction pedicle subtraction osteotomy for cervical sagittal imbalance: report of 11 cases

, 2011
Object Sagittal imbalance of the cervicothoracic spine often causes severe pain and loss of horizontal gaze. Historically, the Smith-Peterson osteotomy has been used to restore sagittal balance.
Vedat Deviren, Christopher P. Ames, Justin K. Scheer   +2 more
core   +1 more source