Prevalence of sagittal spinal deformity among patients undergoing total hip arthroplasty

AJ Buckland, EW Ayres, AJ Shimmin, JV Bare… - The Journal of …, 2020 - Elsevier
Background The important relationship between sagittal spinal alignment and total hip
arthroplasty (THA) is becoming well recognized. Prior research has shown a significant …

Spinopelvic compensatory mechanisms for reduced hip motion (ROM) in the setting of hip osteoarthritis

…, D Vasquez-Montes, M Kingery, ND Stekas, EW Ayres… - Spine Deformity, 2019 - Elsevier
… Stekas BS a , Ethan W. Ayres MPH a , Christopher G. Varlotta BS a , Virginie Lafage PhD
b , Renaud Lafage MS b , Thomas Errico MD a , Peter G. Passias MD a , Themistocles S. …

Lumbar spine degeneration and flatback deformity alter sitting-standing spinopelvic mechanics—implications for total hip arthroplasty

…, EJ Abotsi, D Vasquez-Montes, EW Ayres… - The Journal of …, 2020 - Elsevier
Background Spinal degeneration and lumbar flatback deformity can decrease recruitment of
protective posterior pelvic tilt when sitting, leading to anterior impingement and increased …

The impact of global alignment and proportion score and bracing on proximal junctional kyphosis in adult spinal deformity

EL Lord, E Ayres, D Woo… - Global Spine …, 2023 - journals.sagepub.com
Study Design: Retrospective chart review. Objective: The goal of this study is to examine the
relationship between global alignment and proportion (GAP) score and postoperative …

Radiation exposure in posterior lumbar fusion: a comparison of CT image-guided navigation, robotic assistance, and intraoperative fluoroscopy

…, J Manning, CG Varlotta, D Woo, E Ayres… - Global Spine …, 2021 - journals.sagepub.com
Study Design: Retrospective clinical review. Objective: To assess the use of intraoperative
computed tomography (CT) image-guided navigation (IGN) and robotic assistance in …

Age and gender confound PROMIS scores in spine patients with back and neck pain

…, N Stekas, MJ Moses, RJ Karia, EW Ayres… - Global Spine …, 2021 - journals.sagepub.com
Study Design: This was a single-center retrospective review. Objectives: To explore how age
and gender affect PROMIS scores compared with traditional health-related quality of life (…

Validation of the recently developed Total Disability Index: a single measure of disability in neck and back pain patients

DL Cruz, EW Ayres, MA Spiegel, LM Day… - … of Neurosurgery: Spine, 2019 - thejns.org
OBJECTIVE Neck and back pain are highly prevalent conditions that account for major
disability. The Neck Disability Index (NDI) and Oswestry Disability Index (ODI) are the two most …

improved implant positioning of cephalomedullary nail for trochanteric fractures using the Stryker ADAPT navigation system

T Simcox, D Tarazona, J Becker, E Ayres, J Gould - Injury, 2021 - Elsevier
Background :Tip-apex distance (TAD) of greater than 25 mm increases the risk of
cephalomedullary nail (CMN) cutout for trochanteric hip fractures. The Stryker ADAPT navigation …

Factors influencing length of stay following cervical spine surgery: a comparison of myelopathy and radiculopathy patients

…, D Woo, D Vasquez-Montes, EW Ayres… - Journal of Clinical …, 2019 - Elsevier
In the current value-based healthcare climate where spine surgery is shifting to the ambulatory
setting, factors influencing postop length of stay (LOS) are important to surgeons and …

Clinical photographs in the assessment of adult spinal deformity: a comparison to radiographic parameters

DJ Ryan, ND Stekas, EW Ayres, MA Moawad… - … of Neurosurgery: Spine, 2021 - thejns.org
OBJECTIVE The goal of this study was to reliably predict sagittal and coronal spinal
alignment with clinical photographs by using markers placed at easily localized anatomical …