Scott C. Wagner
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View article: What are the differences in clinical and surgical outcomes between lumbar spine fusion approaches?—a narrative review
What are the differences in clinical and surgical outcomes between lumbar spine fusion approaches?—a narrative review Open
Jeremy D. Tran, Dominic Kubas, John Railey, Heather L. MacEwen, Melvin D. Helgeson, Scott C. Wagner, Alfred J. Pisano, Donald R. Fredericks Jr
View article: AB094. SOH24AB_170. A meta-analysis of the diagnostic accuracy of Hounsfield units on computed tomography relative to dual-energy X-ray absorptiometry for the diagnosis of osteoporosis in the spine surgery population
AB094. SOH24AB_170. A meta-analysis of the diagnostic accuracy of Hounsfield units on computed tomography relative to dual-energy X-ray absorptiometry for the diagnosis of osteoporosis in the spine surgery population Open
Background: Preoperative identification of osteoporosis (OP) in spine surgery patients is of crucial importance. Limitations, such as access and reliability, are associated with dual-energy X-ray absorptiometry (DXA). The Hounsfield unit (…
View article: The Effect of Preoperative Mental Health Status on Outcomes After Anterior Cervical Discectomy and Fusion
The Effect of Preoperative Mental Health Status on Outcomes After Anterior Cervical Discectomy and Fusion Open
Clinicians should be aware of the effects of poor mental health status on clinical outcomes in patients undergoing anterior cervical fusion, but can still expect significant clinical improvements after surgery.
View article: Computed Tomography of the Chest as a Screening Tool for Low Bone Mineral Density
Computed Tomography of the Chest as a Screening Tool for Low Bone Mineral Density Open
Introduction Computed tomography (CT) Hounsfield units (HU) recently emerged as a promising screening tool for low bone mineral density (BMD). We hypothesized that CT HU measurements of the thoracic spine would significantly and positively…
View article: No Difference in Neck Pain or Health-Related Quality Measures Between Patients With or Without Degenerative Cervical Spondylolisthesis
No Difference in Neck Pain or Health-Related Quality Measures Between Patients With or Without Degenerative Cervical Spondylolisthesis Open
Study Design This study is a retrospective case control. Objectives This study aims to determine whether cervical degenerative spondylolisthesis (DS) is associated with increased baseline neck/arm pain and inferior health quality states co…
View article: Titanium Cervical Cage Subsidence: Postoperative Computed Tomography Analysis Defining Incidence and Associated Risk Factors
Titanium Cervical Cage Subsidence: Postoperative Computed Tomography Analysis Defining Incidence and Associated Risk Factors Open
Study Design Retrospective cohort study Objective Substantial variability in both the measurement and classification of subsidence limits the strength of conclusions that can be drawn from previous studies. The purpose of this study was to…
View article: P33. Risk factors for allograft subsidence following ACDF
P33. Risk factors for allograft subsidence following ACDF Open
View article: A Multicenter Evaluation of the Feasibility, Patient/Provider Satisfaction, and Value of Virtual Spine Consultation During the COVID-19 Pandemic
A Multicenter Evaluation of the Feasibility, Patient/Provider Satisfaction, and Value of Virtual Spine Consultation During the COVID-19 Pandemic Open
View article: 107. Cervical alignment and distal junctional failure in posterior cervical fusion: a multicenter comparison of two surgical approaches
107. Cervical alignment and distal junctional failure in posterior cervical fusion: a multicenter comparison of two surgical approaches Open
View article: Reply to the Letter to the Editor: Cervical Paraspinal Muscle Fatty Degeneration is Not Associated with Muscle Cross-sectional Area: Qualitative Assessment is Preferable for Cervical Sarcopenia
Reply to the Letter to the Editor: Cervical Paraspinal Muscle Fatty Degeneration is Not Associated with Muscle Cross-sectional Area: Qualitative Assessment is Preferable for Cervical Sarcopenia Open
To the Editor, We greatly appreciate the insights provided by Malas et al. [8] on the topic of sarcopenia, especially pertaining to modalities for its diagnosis. In their letter to the editor, Malas et al. [8] describe both radiographic an…
View article: Radiographic Measures of Spinal Alignment Are Not Predictive of the Development of C5 Palsy Following Anterior Cervical Discectomy and Fusion Surgery
Radiographic Measures of Spinal Alignment Are Not Predictive of the Development of C5 Palsy Following Anterior Cervical Discectomy and Fusion Surgery Open
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View article: Allograft Subsidence Decreases Postoperative Segmental Lordosis With Minimal Effect on Global Alignment Following ACDF
Allograft Subsidence Decreases Postoperative Segmental Lordosis With Minimal Effect on Global Alignment Following ACDF Open
Study Design: Retrospective cohort study. Objective: Studies investigating the impact of interbody subsidence in ACDF suggest a correlation between subsidence and worse radiographic and patient-reported outcomes. The purpose of this study …
View article: Cervical Paraspinal Muscle Fatty Degeneration Is Not Associated with Muscle Cross-sectional Area: Qualitative Assessment Is Preferable for Cervical Sarcopenia
Cervical Paraspinal Muscle Fatty Degeneration Is Not Associated with Muscle Cross-sectional Area: Qualitative Assessment Is Preferable for Cervical Sarcopenia Open
Background Sarcopenia, defined as decreased skeletal mass, is an independent marker of frailty that is not accounted for by other risk-stratification methods. Recent studies have demonstrated a clear association between paraspinal sarcopen…
View article: The Incidence, Risk Factors, and Complications Associated With Surgical Delay in Multilevel Fusion for Adult Spinal Deformity
The Incidence, Risk Factors, and Complications Associated With Surgical Delay in Multilevel Fusion for Adult Spinal Deformity Open
Study Design: Retrospective database review. Objectives: The incidence and risk factors for surgical delay of multilevel spine fusion for adult spinal deformity (ASD), and the complications corresponding therewith, remain unknown. The obje…
View article: Lumbar disc height and vertebral Hounsfield units: association with interbody cage subsidence
Lumbar disc height and vertebral Hounsfield units: association with interbody cage subsidence Open
OBJECTIVE Postoperative subsidence of transforaminal lumbar interbody fusion (TLIF) cages can result in loss of lordosis and foraminal height, and potential recurrence of nerve root impingement. The objectives of this study were to determi…
View article: Higher Paraspinal Muscle Density Effect on Outcomes After Anterior Cervical Discectomy and Fusion
Higher Paraspinal Muscle Density Effect on Outcomes After Anterior Cervical Discectomy and Fusion Open
Study Design: Retrospective cohort study. Objectives: Studies in the lumbar spine suggest a correlation between sarcopenia and worse patient outcomes. The purpose of this study was to determine whether paraspinal Goutalier grade of fat deg…
View article: Editorial Comment: Selected Proceedings from the Society of Military Orthopaedic Surgeons 2018 Annual Meeting
Editorial Comment: Selected Proceedings from the Society of Military Orthopaedic Surgeons 2018 Annual Meeting Open
Since its formal incorporation and recognition by the American Academy of Orthopaedic Surgeons, the Society of Military Orthopaedic Surgeons (SOMOS) has provided a forum for the exchange of medical knowledge among all orthopaedic surgeons …
View article: A Comparison of Revision Rates and Patient-Reported Outcomes for a 2-Level Posterolateral Fusion Augmented With Single Versus 2-Level Transforaminal Lumbar Interbody Fusion
A Comparison of Revision Rates and Patient-Reported Outcomes for a 2-Level Posterolateral Fusion Augmented With Single Versus 2-Level Transforaminal Lumbar Interbody Fusion Open
Study Design: Retrospective, single institution, multisurgeon case control series. Objective: To determine whether there are differences in reoperation rates or outcomes for patients undergoing 2-level posterolateral fusion (PLF) augmented…
View article: Bone Mineral Density Mapping of Iliosacral Region: The Use of Hounsfield Units to Optimize Transsacral Screw Trajectory
Bone Mineral Density Mapping of Iliosacral Region: The Use of Hounsfield Units to Optimize Transsacral Screw Trajectory Open
Introduction Trauma, degenerative, pediatric, and neuromuscular deformities often require placement of implants into sacrum for construct stability. In these scenarios, fixation to the ilium is often added. To date, multiple studies have v…
View article: Proton Pump Inhibitor Use Affects Pseudarthrosis Rates and Influences Patient-Reported Outcomes
Proton Pump Inhibitor Use Affects Pseudarthrosis Rates and Influences Patient-Reported Outcomes Open
Study Design: Retrospective cohort review Objectives: Cervical pseudarthrosis is a frequent cause of need for revision anterior cervical discectomy and fusion (ACDF) and may lead to worse patient-reported outcomes. The effect of proton pum…
View article: Risk Factors for Adverse Cardiac Events After Lumbar Spine Fusion
Risk Factors for Adverse Cardiac Events After Lumbar Spine Fusion Open
Cardiac events after lumbar fusion are a rare but devastating series of complications. Several risk factors were identified, including insulin-dependent diabetes mellitus, smoking, advanced age, male sex, ASA score of >3, and anemia/polycy…
View article: Co-Optimization of Fuels & Engines: Efficiency Merit Function for Spark-Ignition Engines; Revisions and Improvements Based on FY16-17 Research
Co-Optimization of Fuels & Engines: Efficiency Merit Function for Spark-Ignition Engines; Revisions and Improvements Based on FY16-17 Research Open
Early in fiscal year 2016 (FY16), a fuel efficiency 'merit function' was developed to provide a simple tool to evaluate the potential thermal efficiency benefits of various fuels when multiple fuel properties or performance metrics are cha…
View article: Severe Lumbar Disability Is Associated With Decreased Psoas Cross-Sectional Area in Degenerative Spondylolisthesis
Severe Lumbar Disability Is Associated With Decreased Psoas Cross-Sectional Area in Degenerative Spondylolisthesis Open
Study Design: Retrospective cohort. Objectives: Alterations in lumbar paraspinal muscle cross-sectional area (CSA) may correlate with lumbar pathology. The purpose of this study was to compare paraspinal CSA in patients with degenerative s…
View article: Stabilization of a thoracolumbar flexion-distraction injury utilizing a temporary interspinous process construct: technical note
Stabilization of a thoracolumbar flexion-distraction injury utilizing a temporary interspinous process construct: technical note Open
Many techniques for fixation in the thoracolumbar spine have been described. Occasionally, particularly during operative management of unstable ligamentous or bony injuries, temporizing fixation may be required. The authors report the case…
View article: Biomechanical Stability of a Stand-Alone Interbody Spacer in Two-Level and Hybrid Cervical Fusion Constructs
Biomechanical Stability of a Stand-Alone Interbody Spacer in Two-Level and Hybrid Cervical Fusion Constructs Open
Study Design: In vitro human cadaveric biomechanical analysis. Objective: To evaluate the segmental stability of a stand-alone spacer (SAS) device compared with the traditional anterior cervical plate (ACP) construct in the setting of a 2-…
View article: Distal Ulnar Hounsfield Units Accurately Predict Bone Mineral Density and Future Fragility Fracture Risk
Distal Ulnar Hounsfield Units Accurately Predict Bone Mineral Density and Future Fragility Fracture Risk Open
View article: Clinical and Radiographic Outcomes of Transforaminal Lumbar Interbody Fusion in Patients with Osteoporosis
Clinical and Radiographic Outcomes of Transforaminal Lumbar Interbody Fusion in Patients with Osteoporosis Open
Study Design Retrospective review. Objective To compare clinical outcomes after transforaminal lumbar interbody fusion (TLIF) in patients with and patients without osteoporosis. Methods We reviewed all patients with 6-month postoperative r…
View article: Characteristics of Combat-Related Spine Injuries: A Review of Recent Literature
Characteristics of Combat-Related Spine Injuries: A Review of Recent Literature Open
Injuries to the spinal column in combat casualties sustained during the conflicts in Iraq and Afghanistan are common, and the highest in reported wartime history. High-energy blast mechanisms from improved explosive devices have resulted i…
View article: Sacral Screw Strain in a Long Posterior Spinal Fusion Construct with Sacral Alar-Iliac versus Iliac Fixation
Sacral Screw Strain in a Long Posterior Spinal Fusion Construct with Sacral Alar-Iliac versus Iliac Fixation Open
Introduction Long instrumented posterior fusion constructs to the lumbosacral spine have a significant rate of pseudoarthrosis and S1 screw failure. With the increasing popularity of Sacral Alar-Iliac (S2AI) fixation with its purported adv…
View article: Subaxial Cervical Sagittal Alignment following C1–C2 Fusion for Atlanto–Axial Osteoarthritis
Subaxial Cervical Sagittal Alignment following C1–C2 Fusion for Atlanto–Axial Osteoarthritis Open
Introduction Few studies have evaluated the outcomes following C1–C2 fusion for atlanto–axial osteoarthritis (AAOA). Previous studies in rheumatoid arthritis (RA) patients with atlanto–axial instability have demonstrated unexpected develop…