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  • Friday, Feb 27th
    4:21 PM - 4:26 PM MST
    Intraoperative to Immediate Postoperative Change in L4–S1 Lordosis After Adult Spinal Deformity Surgery: Do We Lose What We Gain?
    Location: Grand Saguaro North/South, Level 1
    Presenting Author: Iyan Younus, MD – Vanderbilt University Medical Center
    Deformity
  • Saturday, Feb 28th
    7:12 AM - 7:15 AM MST
    Intraoperative Cell Salvage in Adult Spinal Deformity Surgery: An Instrumental Variable Analysis of Efficacy and Outcomes
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Syed I. Khalid, MD – University of Illinois at Chicago
    Deformity
  • Saturday, Feb 28th
    7:15 AM - 7:18 AM MST
    Mortality rate and Its Predictors in Patients With DISH or Ankylosing Spondylitis Following Fractures Due to Falls or Trauma.
    Location: Desert Suite 3/5, Level 2
    Presenting Author: Zachary Pennington, MD – Mayo Clinic
    Deformity
  • Saturday, Feb 28th
    7:21 AM - 7:24 AM MST
    Improved Immediate Postoperative T4-L1 Hip Axis with Use of Pre-Contoured Rods Compared with Surgeon Contoured Rods in Adolescent Idiopathic Scoliosis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Sahir S. Jabbouri, MD – Yale School of Medicine
    Deformity
  • Saturday, Feb 28th
    7:21 AM - 7:24 AM MST
    Intraoperative to Postoperative Changes in T4-L1-Hip Axis Angles Occur After Fusions for Adult Spinal Deformity
    Location: Grand Canyon 11-12, Level 1
    Presenting Author: Alexander T. Yahanda, MD, MPHS – Washington University School of Medicine
    Deformity
  • Saturday, Feb 28th
    7:24 AM - 7:27 AM MST
    What is a Better Predictor of Disability in Adult Spinal Deformity Patients: Gait or Radiographic Parameters?
    Location: Desert Suite 3/5, Level 2
    Presenting Author: John F. Burke, MD, PhD – University of Oklahoma
    Deformity
  • Saturday, Feb 28th
    7:30 AM - 7:33 AM MST
    Are We Achieving What The Computer Tells Us To? Analysis of Lumbar Pedicle Subtraction Osteotomies with Pre-Bent Rods
    Location: Grand Canyon 11-12, Level 1
    Presenting Author: Rafael Garcia de Oliveira, MD – Yale University
    Deformity
  • Saturday, Feb 28th
    7:39 AM - 7:42 AM MST
    Cell Saver in Adult Spinal Deformity Surgery: Helping or Hurting?
    Location: Desert Suite 3/5, Level 2
    Presenting Author: Iyan Younus, MD – Vanderbilt University Medical Center
    Deformity
  • Saturday, Feb 28th
    7:48 AM - 7:51 AM MST
    Linking the Scoliosis Research Society-22 to PROMIS Domains in Adult Symptomatic Lumbar Scoliosis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Conner D. Ahlgren, MD – UC San Diego Health
    Deformity
  • Saturday, Feb 28th
    7:57 AM - 8:00 AM MST
    Are We Missing the Bigger Comorbidity Picture? Metabolic Syndrome is Associated with Poor Alignment and Rod Fractures Following Adult Spinal Deformity Surgery
    Location: Grand Canyon 11-12, Level 1
    Presenting Author: Advith Sarikonda, BA BS – Vanderbilt University Medical Center
    Deformity
  • Saturday, Feb 28th
    8:00 AM - 8:03 AM MST
    Regional Contributions to Thoracic Flexibility: Implications for Proximal Junctional Complications in Adult Spinal Deformity
    Location: Desert Suite 3/5, Level 2
    Presenting Author: Alex Upfill-Brown, MD – Hospital for Special Surgery
    Deformity
  • Saturday, Feb 28th
    8:06 AM - 8:09 AM MST
    Evaluating the relationships of different metrics of osteoporosis and sarcopenia in adult spinal deformity surgery and associated complications
    Location: Grand Canyon 11-12, Level 1
    Presenting Author: Jun Ho Chung, MD – Cedars Sinai Spine
    Deformity
  • Saturday, Feb 28th
    8:15 AM - 8:18 AM MST
    Association of Tranexamic Acid With Blood Loss and Transfusion in Adult Spinal Deformity Surgery: Emulated Target Trial Analysis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Syed I. Khalid, MD – University of Illinois at Chicago
    Deformity
  • Saturday, Feb 28th
    8:27 AM - 8:30 AM MST
    Distal Extension Rates After Lower Instrumented Vertebrae of L4/L5
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Tejas Subramanian, MD – University of Chicago
    Deformity
  • Saturday, Feb 28th
    8:27 AM - 8:30 AM MST
    Does Sustained Intraoperative Hypotension During Adult Spinal Deformity Surgery Lead to Worse Outcomes?
    Location: Desert Suite 3/5, Level 2
    Presenting Author: Advith Sarikonda, BA BS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    7:00 AM - 9:00 AM MST
    Specialty Abstract Breakout Session 2: Deformity
    Location: Grand Canyon 9-10, Level 1
    Moderator: Ken Porche, MD – Mayo Clinic Arizona
    Moderator: Bryan S. Lee, MD – Department of Neurological Surgery, Barrow Neurological Institute
    Deformity
  • Sunday, Mar 1st
    7:02 AM - 7:04 AM MST
    Can we quantify the quality of life gains and cost-effectiveness at 5 years after surgery for CSM? A QOD SpineCORe Study
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Vardhaan S. Ambati, M.S. – UCSF Department of Neurological Surgery
    Deformity
  • Sunday, Mar 1st
    7:04 AM - 7:06 AM MST
    Clinically meaningful change in S2AI incidence after adult spinal deformity surgery: does 2 vs. 4 S2-alar-iliac screws matter?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Harsh Jain, MBBS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    7:06 AM - 7:08 AM MST
    Do Pedicle Subtraction Osteotomy Level and Magnitude of Correction Drive L1-Pelvic Angle Correction in Adult Spinal Deformity Surgery?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Advith Sarikonda, BA BS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    7:08 AM - 7:10 AM MST
    How Changes in Segmental Lordosis Impact L1-Pelvic-Angle After Adult Spinal Deformity Surgery: Which Lumbar Levels Matter Most?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Harsh Jain, MBBS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    7:10 AM - 7:12 AM MST
    Radiographic Predictors of Functional and Pain Outcomes in Scheuermann’s Kyphosis: A ROC-Based Minimal Clinically Important Difference (MCID) Analysis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Eeric Truumees, MD – Ascension Texas Spine and Scoliosis
    Deformity
  • Sunday, Mar 1st
    7:12 AM - 7:14 AM MST
    Multiple Fixation, Fewer Failures: A Multicenter Adult Spinal Deformity Analysis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Pawel P. Jankowski, MD – Hoag Neurosciences Institute
    Deformity
  • Sunday, Mar 1st
    7:14 AM - 7:16 AM MST
    A Comparison of Opioid-Inclusive Anesthesia and Opioid-Sparing Anesthesia in Complication Development Post-Anterior Cervical Discectomy and Fusion
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Lane McCoy, BS – Washington University School of Medicine in St. Louis
    Deformity
  • Sunday, Mar 1st
    7:16 AM - 7:18 AM MST
    Adults with Achondroplasia Undergoing Posterior Thoracolumbar Surgery are at Increased Risk for Reoperation
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Weston Wright, BS – Cedars-Sinai Medical Center
    Deformity
  • Sunday, Mar 1st
    7:18 AM - 7:20 AM MST
    Agreement and reliability analysis of sarcopenia measures based on muscle function, body composition, and imaging in spinal deformity patients
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Alexa Semonche, MD – UCSF Department of Neurosurgery
    Deformity
  • Sunday, Mar 1st
    7:22 AM - 7:24 AM MST
    Analysis of Root Causes of Adverse Events with Mazor X and Mazor X Stealth Edition-Guided Spine Surgeries: An FDA MAUDE Database Study
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Apratim Maity, BS – Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
    Deformity
  • Sunday, Mar 1st
    7:24 AM - 7:26 AM MST
    Evolving Surgical Strategies in Myelomeningocele (MMC): Improved Outcomes in Recent Spinal Interventions
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Edwin S. Kulubya, MD MBA – Boston Children's Hospital
    Deformity
  • Sunday, Mar 1st
    7:26 AM - 7:28 AM MST
    The Variability of the T4-L1 Pelvic Angle Mismatch: Does the Upper Instrumented Vertebra Play a Role?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Peter G. Passias, MD – Duke University
    Deformity
  • Sunday, Mar 1st
    7:28 AM - 7:30 AM MST
    Always Span the Thoracolumbar Junction? Rethinking Upper Instrumented Vertebra Selection to Minimize PJK Risk
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Atahan Durbas, MD – Hospital for Special Surgery
    Deformity
  • Sunday, Mar 1st
    7:28 AM - 7:30 AM MST
    Automating Frailty Assessment at Scale With Large Language Models
    Location: Desert Suite 3/5, Level 2
    Presenting Author: Mert Marcel Dagli, MD – University of Pennsylvania
    Deformity
  • Sunday, Mar 1st
    7:30 AM - 7:32 AM MST
    Predictors of Functional Recovery After ASD Surgery: An Evaluation Using SRS Function PASS+ Criteria
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Lane McCoy, BS – Washington University School of Medicine in St. Louis
    Deformity
  • Sunday, Mar 1st
    7:32 AM - 7:34 AM MST
    Durability of Adult Spinal Deformity Correction Based on Upper Instrumented Level and Baseline Deformity Severity: A Survival Analysis of a Prospective, 18-Center Study
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Peter G. Passias, MD – Duke University
    Deformity
  • Sunday, Mar 1st
    7:34 AM - 7:36 AM MST
    Early Ambulation Distance Does Not Affect Long-Term Outcomes After Adult Spinal Deformity Surgery: a Nuanced Perspective on the Impact of Early Postoperative Ambulation
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Eric Zhao, BS – Hospital for Special Surgery
    Deformity
  • Sunday, Mar 1st
    7:36 AM - 7:38 AM MST
    Reciprocal Change, Redefined: Postoperative T4L1Pa Mismatch in Lower Thoracic Fusions
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Atahan Durbas, MD – Hospital for Special Surgery
    Deformity
  • Sunday, Mar 1st
    7:38 AM - 7:40 AM MST
    Two Good to Be Screw? The Value of Two Points of Pelvic Fixation in Adult Spinal Deformity Correction
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Peter G. Passias, MD – Duke University
    Deformity
  • Sunday, Mar 1st
    7:40 AM - 7:42 AM MST
    What Determines Patient Satisfaction After Surgery for Grade II Lumbar Spondylolisthesis? A QOD SpineCORe Analysis
    Location: Grand Canyon 9-10, Level 1
    Deformity
  • Sunday, Mar 1st
    7:42 AM - 7:44 AM MST
    Was It Just the Laminectomy? Temporal Roles of Decompression and Sagittal Realignment in Driving Clinical Outcomes
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Atahan Durbas, MD – Hospital for Special Surgery
    Deformity
  • Sunday, Mar 1st
    7:44 AM - 7:46 AM MST
    The Role of the Thoracolumbar Junction in Proximal Junctional Complications in Adult Spinal Deformity Surgery
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Atahan Durbas, MD – Hospital for Special Surgery
    Deformity
  • Sunday, Mar 1st
    7:46 AM - 7:48 AM MST
    Three Stages of LE Compensation in ASD Patients with Sagittal Malalignment
    Location: Grand Canyon 9-10, Level 1
    Deformity
  • Sunday, Mar 1st
    7:48 AM - 7:50 AM MST
    Early Postoperative T4PA-L1PA Malalignment in Lower Thoracic to Pelvis Fusions is Associated with PJK
    Location: Grand Canyon 9-10, Level 1
    Deformity
  • Sunday, Mar 1st
    7:50 AM - 7:52 AM MST
    Neurological Outcomes and Long-term Complications Following Lateral versus Posterior Vertebral Column Resection (VCR): A Comparative Analysis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Dana Saleh, Doctor of Medicine – University of South Florida
    Deformity
  • Sunday, Mar 1st
    7:52 AM - 7:54 AM MST
    Does surgery reduce neck pain and restore independence 5 years after surgery for cervical spondylotic myelopathy (CSM)? A SpineCORe QOD Study.
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Vardhaan S. Ambati, M.S. – UCSF Department of Neurological Surgery
    Deformity
  • Sunday, Mar 1st
    7:56 AM - 7:58 AM MST
    What Factors Predict Return to Work after Surgery for Grade 1 Lumbar Spondylolisthesis? A 5-year Spine CORe QOD Analysis.
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Vardhaan S. Ambati, M.S. – UCSF Department of Neurological Surgery
    Deformity
  • Sunday, Mar 1st
    7:58 AM - 8:00 AM MST
    Accuracy of Apical Pedicle Screw Placement with Robotic Guidance, Intraoperative CT Navigation, or Freehand Technique: A Single-Center Retrospective Study
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Shailen G. Sampath, Msc – Columbia Vagelos College of Physicians and Surgeons
    Deformity
  • Sunday, Mar 1st
    8:00 AM - 8:02 AM MST
    Evaluating the Role of C2PA in Predicting Proximal Junctional Failure
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: brian Neuman, MD – Washington University School of Medicine in St. Louis
    Deformity
  • Sunday, Mar 1st
    8:02 AM - 8:04 AM MST
    How Does Class II Obesity Influence Short- and Long-Term Outcomes After Surgery for Grade II Spondylolisthesis?: A Spine CORe QOD Analysis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Daniel Zeitouni, MD – Carolina Neurosurgery & Spine Associates
    Deformity
  • Sunday, Mar 1st
    8:04 AM - 8:06 AM MST
    Impact of T1 Pelvic Angle Improvement on Cervical Lordosis: A Retrospective Analysis of Postoperative Outcomes in Patients Undergoing Deformity Correction
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Eeric Truumees, MD – Ascension Texas Spine and Scoliosis
    Deformity
  • Sunday, Mar 1st
    8:08 AM - 8:10 AM MST
    The Impact of GLP-1 Receptor Agonists on Spinal Deformity Surgery Outcomes
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Ahmed Elbayomy, MD – Department of Neurological Surgery, UW Madison school of medicine and public health
    Deformity
  • Sunday, Mar 1st
    8:10 AM - 8:12 AM MST
    Mobilization Matters: Late Ambulation After Three Column Osteotomy Leads to Worse Functional Outcomes
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Benjamin M. Varieur, BS – Loyola University Chicago Stritch School of Medicine
    Deformity
  • Sunday, Mar 1st
    8:12 AM - 8:14 AM MST
    Adult Spinal Deformity Surgery in the Elderly: Risks, Complications, and Considerations
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Serajh A.S Esmail, BA – UC San Diego School of Medicine
    Deformity
  • Sunday, Mar 1st
    8:14 AM - 8:16 AM MST
    Posterior Translation at the Upper Instrumented Vertebrae Predicts Proximal Junctional Kyphosis Following Anterior Column Release
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Thomas Leonidas Karadimas, BS – University of South Florida Morsani College of Medicine
    Deformity
  • Sunday, Mar 1st
    8:16 AM - 8:18 AM MST
    Postoperative Roussouly Classification Change and Associated Spinopelvic Measurements as Predictors of Proximal Junctional Failure in Osteopenic and Osteoporotic Adult Spinal Deformity Patients
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Eashwar Kantemneni, B.S. – The Ohio State University College of Medicine
    Deformity
  • Sunday, Mar 1st
    8:18 AM - 8:20 AM MST
    Postoperative Roussouly Classification Change and Preoperative Spinopelvic Alignment Identify Risk for Proximal Junctional Failure in Non-Obese Spinal Deformity Patients
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Eashwar Kantemneni, B.S. – The Ohio State University College of Medicine
    Deformity
  • Sunday, Mar 1st
    8:20 AM - 8:22 AM MST
    Restoration of Sagittal Spinal Parameters with Patient-Specific Rods for Surgical Correction of Scoliosis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Conner J. Paez, MD – Akron Children's Hospital
    Deformity
  • Sunday, Mar 1st
    8:22 AM - 8:24 AM MST
    Rod Fractures After Adult Spinal Deformity Surgery: What Happens After 2-years?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Harsh Jain, MBBS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    8:24 AM - 8:26 AM MST
    Biomechanical Basis of Proximal Junction Vulnerabilities with T4-L1 Hip Axis Malalignment : A Finite Element Analysis of Instrumentation and Disc Strain
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Luke Mugge, MD – Inova Neuroscience and Spine Institute
    Deformity
  • Sunday, Mar 1st
    8:26 AM - 8:28 AM MST
    The Lumbosacral Fractional Curve vs. Thoracic/Lumbar Major Curves in Adult Spinal Deformity Surgery: How Much Do We Correct Each Curve?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Harsh Jain, MBBS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    8:28 AM - 8:30 AM MST
    A Bone Optimization Rheumatology Clinic Increases Anabolic Bone Agent Use and Reduces Mechanical Complications in Adult Spinal Deformity Surgery
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Advith Sarikonda, BA BS – Vanderbilt University Medical Center
    Deformity
  • Sunday, Mar 1st
    8:30 AM - 8:32 AM MST
    C2-UIV Angle Predicts Mechanical Failures in Adult Spinal Deformity Patients
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Karan Joseph, B.S. – Washington University School of Medicine
    Deformity
  • Sunday, Mar 1st
    8:34 AM - 8:36 AM MST
    Correction Of Spinopelvic Alignment In Adult Degenerative Scoliosis With Single Level TLIF
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Casey Spinelli, MD – Corewell Health
    Deformity
  • Sunday, Mar 1st
    8:36 AM - 8:38 AM MST
    Cranial–Pelvic Angles as Modifiers of Junctional Failure Risk with UIV Selection and Sagittal Correction
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Joshua Golubovsky, MD – University of Pennsylvania Health Systems
    Deformity
  • Sunday, Mar 1st
    8:38 AM - 8:40 AM MST
    Defining Substantial Clinical Benefits of PROMIS Pain Interference in Adult Spinal Deformity Patients
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Karan Joseph, B.S. – Washington University School of Medicine
    Deformity
  • Sunday, Mar 1st
    8:42 AM - 8:44 AM MST
    Anterior Column Release Augmentation in Smith Peterson Osteotomy: A Matched Cohort Analysis of Complications in Adult Spinal Deformity Surgery
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Mohsen Rostami, MD – University of South Florida
    Deformity
  • Sunday, Mar 1st
    8:44 AM - 8:46 AM MST
    Clinical and Radiographic Predictors of Postoperative Outcomes in Spinal Surgery for Scheuermann's Kyphosis
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Eeric Truumees, MD – Ascension Texas Spine and Scoliosis
    Deformity
  • Sunday, Mar 1st
    8:46 AM - 8:48 AM MST
    Comparative Analysis of Four-Level Anterior Cervical Discectomy and Fusion vs Posterior Cervical Laminectomy and Fusion in Cervical Spine Surgery: Radiographic Outcomes and Sagittal Alignment
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Dana Saleh, Doctor of Medicine – University of South Florida
    Deformity
  • Sunday, Mar 1st
    8:48 AM - 8:50 AM MST
    Comparison of Outcomes after Occipitocervical Fusion in Children versus Adults
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Parth Patel, BSE – University of Oklahoma College of Medicine
    Deformity
  • Sunday, Mar 1st
    8:52 AM - 8:54 AM MST
    Small Fusion or Large Correction: Which Treatment Paradigm Results in Improvement of Outcome in Patients With Adult Spinal Deformity?
    Location: Grand Canyon 9-10, Level 1
    Presenting Author: Jay I. Kumar, MD – University of California, San Francisco
    Deformity