Results 21 to 30 of about 130,441 (138)

Fixation Strength of Caudal Pedicle Screws after Posterior Lumbar Interbody Fusion with the Modified Cortical Bone Trajectory Screw Method [PDF]

Asian Spine Journal, 2016
Study DesignClinical case series.PurposeIn the posterior lumbar interbody fusion (PLIF) procedure in our institute, the cephalad screw trajectory follows a mediolateral and caudocephalad directed path according to the original cortical bone trajectory ...
Hironobu Sakaura, Toshitada Miwa, Tomoya Yamashita, Yusuke Kuroda, Tetsuo Ohwada   +4 more
doaj   +1 more source

Evaluation of Screw Loosening in Patients Undergoing Semi-rigid Stabilization with Polyetheretherketone (PEEK) Rods. [PDF]

Indian J Orthop
Background Context Polyetheretherketone (PEEK) rods, designed for semi-rigid stabilization, offer a lower elastic modulus than metallic rods, promoting physiological load sharing and reducing hardware-related complications.
Durmus NA, Sahin A, Oral S, Ulutabanca H, Kucuk A, Koc RK.   +5 more
europepmc   +2 more sources

Clinical Outcomes Associated with Screw Loosening in S2 Alar-Iliac Fixation in Adult Spinal Deformity. [PDF]

J Clin Med
Purpose: To explore the clinical outcomes associated with screw loosening after S2 alar-iliac (SAI) screw fixation for adult spinal deformity (ASD).
Nagatani Y, Nakashima H, Kanemura T, Tsushima M, Tomita H, Morishita K, Oyama H, Ito S, Segi N, Ouchida J, Yamauchi I, Ode Y, Okada Y, Imagama S.   +13 more
europepmc   +2 more sources

Diabetes‐related Screw Loosening: The Distinction of Surgical Sites and the Relationship among Diabetes, Implant Stabilization and Clinical Outcomes

Orthopaedic Surgery, 2023
Objectives Diabetes mellitus (DM) is correlated with poor clinical outcomes in spinal surgery. However, the effect of it on screw stabilization has not been investigated.
Tianji Wang, Jing Wang, Xiaofan Hu, Kaili Hao, Geng Xiang, Zixiang Wu, Zhensheng Ma, Tianqing Li, Yu Chen, Xiong Zhao, Yang Zhang, Tiancheng Ma, Jingjuan Ren, Wei Lei, Yafei Feng   +14 more
doaj   +1 more source

Implant Abutment Screw Loosening: A Review of Effective Factors [PDF]

Journal of Clinical and Diagnostic Research, 2019
One of the prevalent complications of dental implants is screw loosening. It has been revealed that screw loosening is a matter of concern for both manufacturers and dental professionals, and this complication imposes more time and money to clinician and
Mohammad Ali Seddigh, Azam Sadat Mostafavi   +1 more
doaj   +1 more source

Can cavity-based pedicle screw augmentation decrease screw loosening? A biomechanical in vitro study

, 2020
Purpose In an osteoporotic vertebral body, cement-augmented pedicle screw fixation could possibly be optimized by the creation of an initial cavity.
Wilke, Hans-Joachim, Krezdorn, Renate, Schädler, Simone, Blattert, Thomas R., Riesner, Hans-Joachim   +4 more
core   +2 more sources

Multi-Rod Constructs Can Increase the Incidence of Iliac Screw Loosening after Surgery for Adult Spinal Deformity [PDF]

Asian Spine Journal, 2019
Study Design A retrospective study. Purpose To investigate the incidence of iliac screw loosening with a two-rod vs. multi-rod construct and the effect on clinical and radiographic outcomes after surgery for adult spinal deformity (ASD).
Tomohiro Banno, Tomohiko Hasegawa, Yu Yamato, Daisuke Togawa, Go Yoshida, Sho Kobayashi, Tatsuya Yasuda, Hideyuki Arima, Shin Oe, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama   +11 more
doaj   +1 more source

A nomogram for predicting screw loosening after single-level posterior lumbar interbody fusion utilizing cortical bone trajectory screw: A minimum 2-year follow-up study

Frontiers in Surgery, 2022
PurposeThis study aims to investigate the risk factors for screw loosening after single-level posterior lumbar interbody fusion (PLIF) utilizing cortical bone trajectory (CBT) screw and establish a nomogram for predicting screw loosening.MethodsA total ...
Yiqi Zhang, Yue Li, Yue Li, Yong Hai, Li Guan, Xinuo Zhang, Aixing Pan, Hongyi Lu, Bingchao Wu, Yuzeng Liu   +9 more
doaj   +1 more source

SCREW LOOSENING IN ABUTMENT: CAUSES, ORIGIN MECHANISM, COMPLICATIONS AND MANAGEMENT

, 2020
Introduction and goal: Tooth replacement with dental implants is an invasive method, demanding in time and money. For these reasons, it is important to understand the technical complications that occurs in five years in about 12% of crowns on dental ...
J Staněk, K Singh, N Králová, B Hocková, A Jusku, B Azar, M Hammal   +6 more
core   +1 more source

Incidence of Screw Loosening in Cortical Bone Trajectory Fixation Technique between Single- and Dual-Threaded Screws

, 2021
Purpose: This study aims to elucidate the radiological outcome after Cortical bone trajectory (CBT) screw fixation and whether dual-threaded (DT) screws should be used in the fusion surgery. Methods: 159 patients with degenerative lumbar disorder who had
Hsiang-Ming Huang, Chih-Hsiu Tu, Der-Cherng Chen, Da-Tian Bau, Chao-Hsuan Chen, Hao-Yu Chuang, Der-Yang Cho, Han-Chung Lee   +7 more
core   +1 more source