Screw angulation affects bone-screw stresses and bone graft load sharing in anterior cervical corpectomy fusion with a rigid screw-plate construct: a finite element …

M Hussain, RN Natarajan, AH Fayyazi, BR Braaksma… - The Spine Journal, 2009 - Elsevier
BACKGROUND CONTEXT: Anterior corpectomy and reconstruction with bone graft and a
rigid screw-plate construct is an established procedure for treatment of cervical neural …

Loss of cervical endplate integrity following minimal surface preparation

…, NR Ordway, X Zhang, YM Lu, H Fang, AH Fayyazi - Spine, 2007 - journals.lww.com
Study Design. In vitro biomechanical study. Objectives. This biomechanical study was
designed to evaluate the loss of endplate integrity with incremental removal of the endplate. …

Accuracy of computed tomography in assessing thoracic pedicle screw malposition

AH Fayyazi, RR Hugate, J Pennypacker… - Clinical Spine …, 2004 - journals.lww.com
Objective Transpedicular instrumentation of the thoracic spine is potentially dangerous because
of the close proximity of vital structures and the morphologic variability seen. Computed …

Radiostereometric analysis of postoperative motion after application of dynesys dynamic posterior stabilization system for treatment of degenerative spondylolisthesis

AH Fayyazi, NR Ordway, SA Park… - Clinical Spine …, 2010 - journals.lww.com
Objective This was designed to precisely measure motion after posterior dynamic stabilization
using Dynesys instrumentation. Summary of Background Data The Dynesys posterior …

Correlation of cervical endplate strength with CT measured subchondral bone density

…, YM Lu, X Zhang, CC Cheng, H Fang, AH Fayyazi - European Spine …, 2007 - Springer
Cervical interbody device subsidence can result in screw breakage, plate dislodgement, and/or
kyphosis. Preoperative bone density measurement may be helpful in predicting the …

Anterior cervical interbody constructs: effect of a repetitive compressive force on the endplate

…, R Tan, R Hickman, AH Fayyazi - Journal of …, 2012 - Wiley Online Library
Graft subsidence following anterior cervical reconstruction can result in the loss of sagittal
balance and recurring foraminal stenosis. This study examined the implant–endplate interface …

Assessment of magnetic resonance imaging artifact following cervical total disc arthroplasty

AH Fayyazi, J Taormina, D Svach, J Stein… - International journal of …, 2015 - ijssurgery.com
Background Cervical disc arthroplasty has become a technique for the treatment of cervical
degenerative disc disease. Clinically, the need to accurately assess the neural elements at …

Correlation of ProDisc-C failure strength with cervical bone mineral content and endplate strength

…, NR Ordway, R Tan, BC Rim, AH Fayyazi - Clinical Spine …, 2008 - journals.lww.com
Study Design This study was designed to evaluate the effectiveness of preoperative
computed tomography (CT) scan in predicting endplate strength. Objective To demonstrate a …

Correlation of radiostereometric measured cervical range of motion with clinical radiographic findings after anterior cervical discectomy and fusion

SA Park, AH Fayyazi, NR Ordway, MH Sun… - Spine, 2009 - journals.lww.com
Study Design. Prospective clinical study. Objective. To evaluate the correlation between
clinical radiographic findings and sagittal range of motion (ROM) measured using …

An ex vivo exothermal and mechanical evaluation of two-solution bone cements in vertebroplasty

DC Rodrigues, NR Ordway, CRJ Ma, AH Fayyazi… - The Spine Journal, 2011 - Elsevier
Background context Previous ex vivo studies showed that the properties of commercial
cements modified for use in vertebroplasty are not optimal and are associated with several …