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Olumide Ayodele Danisa

Instructor in the Department of Orthopaedic Surgery
Orthopaedic Surgery

Selected Publications


Performance of ChatGPT versus spine surgeons as an emergency department spine call consultant

Journal Article North American Spine Society Journal · March 1, 2026 Background Large language models (LLMs) like ChatGPT are increasingly being recognized as credible tools for use across diverse healthcare settings. While artificial intelligence (AI) use has previously been evaluated in emergency medicine, its use in subs ... Full text Cite

Anatomic parameters for diagnosing congenital cervical stenosis via computed tomography.

Journal Article Surg Radiol Anat · January 5, 2026 PURPOSE: To establish parameters for congenital cervical stenosis (CCS) using computed tomography (CT), assessing influences of patient sex, race, and ethnicity. METHODS: Measurements were collected of anteroposterior diameter (APD), interpedicular distanc ... Full text Open Access Link to item Cite

A CT-based radiographic analysis of parameters of congenital lumbar neuroforaminal stenosis.

Journal Article J Spine Surg · December 31, 2025 BACKGROUND: Quantitative parameters for the diagnosis of congenital lumbar stenosis (CLS) have yet to be universally accepted. This study establishes parameters for congenital stenosis of lumbar neuroforaminal dimensions (LNFD) using computed tomography (C ... Full text Link to item Cite

Anterior cement augmentation technique for correction of kyphotic deformity in the lumbar spine using an anterior-to-Psoas approach.

Journal Article N Am Spine Soc J · December 2025 BACKGROUND: Posterior kyphotic deformity correction in patients with osteoporosis carries a significant risk of instrumentation cut-out. Anterior approaches allow direct distraction at the center of the deformity, yet reduction devices or instrumentation m ... Full text Link to item Cite

The impact of diversity, equity, and inclusion on spinal research - asking different questions.

Journal Article Spine J · October 2025 In recent years, the field of spine surgery has seen significant advancements in surgical techniques alongside a growing emphasis on diversity, equity, and inclusion (DEI). This paper explores the significant impact of DEI on spine surgery, recognizing its ... Full text Open Access Link to item Cite

Social determinants of health and disparities in spine surgery: a 10-year analysis of 8,565 cases using ensemble machine learning and multilayer perceptron.

Journal Article Spine J · October 2025 BACKGROUND CONTEXT: The influence of SDOH on spine surgery is poorly understood. Historically, researchers commonly focused on the isolated influences of race, insurance status, or income on healthcare outcomes. However, analysis of SDOH is becoming increa ... Full text Open Access Link to item Cite

Morphometric analysis of cervical neuroforaminal dimensions from C2-T1 using computed tomography of 1,000 patients.

Journal Article Spine J · October 2025 BACKGROUND: Race and sex differences are not consistently reported in the literature. Fundamentally, anatomical differences of cervical neuroforaminal dimensions (CNFD) amongst these groups would be important to know. PURPOSE: To establish normative radiog ... Full text Link to item Cite

Transfacet transforaminal lumbar interbody fusion (TF-TLIF) results in greater change in spondylolisthesis and posterior disc height compared to percutaneous TLIF (Perc-TLIF) or minimally invasive TLIF (MIS-TLIF): a retrospective study.

Journal Article J Spine Surg · September 30, 2025 BACKGROUND: The evolution of the transforaminal lumbar interbody fusion (TLIF) has resulted in the popularization of three main techniques: the minimally invasive TLIF (MIS-TLIF), the transfacet TLIF (TF-TLIF), and the percutaneous TLIF (Perc-TLIF). While ... Full text Open Access Link to item Cite

The role of generative artificial intelligence in deciding fusion treatment of lumbar degeneration: a comparative analysis and narrative review.

Journal Article Eur Spine J · September 2025 PURPOSE: This study analyzed responses and readability of generative artificial intelligence (AI) models to questions and recommendations from the 2014 Journal of Neurosurgery: Spine (JNS) guidelines for fusion procedures in the treatment of degenerative l ... Full text Link to item Cite

Correlations of Lumbar Interspinous Distance with Neuroforaminal Dimensions, Disc Space Height, and Patient Demographic Factors.

Journal Article Tomography · August 27, 2025 BACKGROUND/OBJECTIVES: A thorough understanding of spinal anatomy is essential for diagnostic assessment and surgical intervention. Interspinous distance (ISD), neuroforaminal dimensions (NFDs), and disc space height (DSH) have each been studied separately ... Full text Link to item Cite

Subthalamic nucleus or globus pallidus internus deep brain stimulation for the treatment of parkinson's disease: An artificial intelligence approach.

Journal Article J Clin Neurosci · August 2025 BACKGROUND: Generative artificial intelligence (AI) in deep brain stimulation (DBS) is currently unvalidated in its content. This study sought to analyze AI responses to questions and recommendations from the 2018 Congress of Neurological Surgeons (CNS) gu ... Full text Link to item Cite

Analyzing the relationship between the social vulnerability index and 90-day elective lumbar fusion outcomes.

Journal Article Spine J · July 5, 2025 BACKGROUND CONTEXT: The social vulnerability index (SVI) is a centers for disease control and prevention (CDC) census data tool to identify populations that are susceptible to hazards and health emergencies. Higher scores indicate more socioeconomic vulner ... Full text Link to item Cite

Optimizing TLIF Approach Selection: An Algorithmic Framework with Illustrative Cases.

Journal Article J Clin Med · June 13, 2025 Transforaminal lumbar interbody fusion (TLIF) is a commonly employed surgical technique for managing lumbar degenerative disease and spinal instability. While it offers advantages over posterior lumbar interbody fusion (PLIF), traditional TLIF often involv ... Full text Open Access Link to item Cite

Assessment of age-related variation in cervical neuroforaminal dimensions.

Journal Article J Clin Neurosci · April 2025 Radiographic parameters for diagnosing cervical neuroforaminal stenosis (CNFS) are not well described. To develop definitive criteria for diagnosis of CNFS, a standardized baseline of average neuroforaminal dimensions must first be established. Thus, the a ... Full text Open Access Link to item Cite

Location of Vascular Structures at Risk in Relation to Sacroiliac Joint Fusion.

Journal Article Spine (Phila Pa 1976) · April 1, 2025 STUDY DESIGN: Retrospective cohort. OBJECTIVE: This study seeks to establish the normal distribution of the vasculature surrounding the SI joint while also demonstrating associations between distribution and laterality, sex, and ethnicity. SUMMARY OF BACKG ... Full text Link to item Cite

Anatomic Assessment of L1-S1 Neuroforaminal Dimensions Using Computed Tomography in 1,000 Patients: A Follow-Up Study

Journal Article Global Spine Journal · March 1, 2025 Objectives: While the radiographic criteria for diagnosing central lumbar stenosis are well described, criteria for diagnosing neuroforaminal stenosis (NFS) are unclear. Prior research has utilized magnetic resonance imaging (MRI) to characterize neurofora ... Full text Cite

Artificial intelligence versus clinical judgement: how accurately do generative models reflect CNS guidelines for chiari malformation?

Journal Article Clin Neurol Neurosurg · January 2025 OBJECTIVE: This study investigated the response and readability of generative artificial intelligence (AI) models to questions and recommendations proposed by the 2023 Congress of Neurological Surgeons (CNS) guidelines for Chiari 1 malformation. METHODS: T ... Full text Link to item Cite

Lumbar disc space height in relation to neural foraminal dimensions and patient characteristics: A morphometric analysis from L1-S1 using computed tomography.

Journal Article Brain Spine · 2025 INTRODUCTION: The normative relationship between lumbar intervertebral disc space height (DSH) and neuroforaminal dimensions (NFD) has yet to be defined. RESEARCH QUESTION: The purpose of this study was to investigate the relationship between lumbar DSH an ... Full text Link to item Cite

Reasonable Cost for Procedures: An Anonymous Survey of Healthcare Providers.

Journal Article J Health Econ Outcomes Res · 2025 BACKGROUND: The cost of medical procedures in the United States varies dramatically depending on the payment system, including Medicare, Medi-Cal (California's Medicaid program), private insurance, or lien-based payment models used in personal injury cases ... Full text Link to item Cite

Reasonable Cost for Procedures: An Anonymous Survey of Healthcare Providers

Journal Article Journal of Health Economics and Outcomes Research · 2025 Background The cost of medical procedures in the United States varies dramatically depending on the payment system, including Medicare, Medi-Cal (California’s Medicaid program), private insurance, or lien-based payment models used in personal inju ... Full text Cite

Anatomic Parameters for Diagnosing Congenital Lumbar Stenosis Based on Computed Tomography of 1,000 Patients.

Journal Article J Am Acad Orthop Surg · November 15, 2024 INTRODUCTION: Quantitative parameters for diagnosis of congenital lumbar stenosis (CLS) have yet to be universally accepted. This study establishes parameters for CLS using CT, assessing the influences of patient sex, race, ethnicity, and anthropometric ch ... Full text Link to item Cite

Are the Umbilicus and Iliac Crests Truly at the Level of L4 to L5? A Computed Tomography-Based Study of Surface Anatomy of the Anterior Lumbar Spine.

Journal Article Int J Spine Surg · September 26, 2024 BACKGROUND: This study aimed to determine whether the iliac crests are truly at the level of L4 to L5, accounting for patient demographic and anthropometric characteristics. METHODS: We measured the umbilicus and iliac crests relative to the lumbar spine u ... Full text Link to item Cite

Correlations among MRI-based cervical and thoracic vertebral bone quality score, CT-based Hounsfield Unit score, and DEXA t-score in assessment of bone mineral density.

Journal Article J Clin Neurosci · August 2024 BACKGROUND: Further optimization of the validated vertebral bone quality (VBQ) score using magnetic resonance imaging (MRI) may expand its clinical utility for bone mineral density (BMD) assessment. This study evaluated the correlations among cervical and ... Full text Link to item Cite

Oblique lateral interbody fusion at L5-S1: feasibility, surgical approach window, incision line, and influencing factors.

Journal Article Eur Spine J · July 2024 PURPOSE: The primary aim of this study was to describe the feasibility, surgical approach window (SAW), and incision line (IL) for oblique lateral interbody fusion at L5-S1 (OLIF51) using computed tomography (CT). A secondary aim was to identify associatio ... Full text Link to item Cite

Analysis of reasons for medical malpractice litigation due to anterior cervical discectomy and fusion

Journal Article World Neurosurgery X · July 1, 2024 Background: Anterior cervical discectomy and fusions (ACDF) are among the most common cervical spine operations, with over 137,000 surgeries performed annually. Understanding reasons underlying malpractice pertaining to ACDF may inform physicians of practi ... Full text Cite

Application of machine learning algorithms to predict 30-day hospital readmission following cement augmentation for osteoporotic vertebral compression fractures

Journal Article World Neurosurgery X · July 1, 2024 Objective: Osteoporosis is a common skeletal disease that greatly increases the risk of pathologic fractures and accounts for approximately 700,000 vertebral compression fractures (VCFs) annually in the United States. Cement augmentation procedures such as ... Full text Cite

Adding Vertebral Bone Quality to the Fusion Risk Score: Does It Improve Predictions of Postoperative Complications?

Journal Article Spine (Phila Pa 1976) · July 1, 2024 STUDY DESIGN: Retrospective review of prospectively collected data. OBJECTIVE: The current study evaluates whether the addition of the Vertebral Bone Quality (VBQ) score to the Fusion Risk Score (FRS) improves its ability to predict perioperative outcomes. ... Full text Link to item Cite

Morphometric analysis of cervical disc space height and interpedicular distance using computed tomography

Journal Article Surgical Neurology International · June 7, 2024 Background: is study utilized computed tomography (CT) to establish normative radiographic morphometric measurements of cervical disc space height (DSH) and interpedicular distance (IPD) and document the influence of patient sex, race, ethnicity, and anthr ... Full text Cite

Normative Measurements of L1-S1 Segmental Angulation, Disk Space Height, and Neuroforaminal Dimensions Using Computed Tomography.

Journal Article Neurosurgery · April 1, 2024 BACKGROUND AND OBJECTIVES: To establish normative anatomic measurements of lumbar segmental angulation (SA) and disk space height (DSH) in relation to neuroforaminal dimensions (NFDs), and to uncover the influence of patient demographic and anthropometric ... Full text Open Access Link to item Cite

Normative Measurements of L1 to S1 Neuroforaminal Dimensions Derived From Plain Film Radiography, Computed Tomography, and Magnetic Resonance Imaging.

Journal Article Spine (Phila Pa 1976) · March 15, 2024 STUDY DESIGN: Retrospective cohort. OBJECTIVE: To report normative measurements of L1 to S1 lumbar neuroforamina on plain film radiography (PFR), computed tomography (CT), and magnetic resonance imaging (MRI), accounting for patients' sex and ethnicity. BA ... Full text Link to item Cite

Correlations among Cervical, Thoracic, and lumbar Hounsfield Unit measurements for assessment of bone mineral density.

Journal Article J Clin Neurosci · February 2024 OBJECTIVE: Bone mineral density assessment using Hounsfield Unit (HU) currently depends upon the availability of computed tomography (CT) of the lumbar spine. The primary aim of this study was to evaluate the associations among HU measurements of the cervi ... Full text Link to item Cite

Application of machine learning to identify risk factors for outpatient opioid prescriptions following spine surgery.

Journal Article Biomedicine (Taipei) · 2024 INTRODUCTION: Spine surgery is a common source of narcotic prescriptions and carries potential for long-term opioid dependence. As prescription opioids play a role in nearly 25 % of all opioid overdose deaths in the United States, mitigating risk for prolo ... Full text Link to item Cite

Prediction of In-Hospital Mortality Following Vertebral Fracture Fixation in Patients With Ankylosing Spondylitis or Diffuse Idiopathic Skeletal Hyperostosis: Machine Learning Analysis

Journal Article International Journal of Spine Surgery · January 1, 2024 Background: Ankylosing spondylitis (AS) and diffuse idiopathic skeletal hyperostosis (DISH) are distinct pathological entities that similarly increase the risk of vertebral fractures. Such fractures can be clinically devastating and frequently portend sign ... Full text Cite

Comparison of L1-S1 neuroforaminal dimensions derived from plain film radiography versus computed tomography.

Journal Article Eur Spine J · January 2024 PURPOSE: To compare measurements of lumbar neuroforaminal dimensions (NFD) derived from plain film radiography (PFR) and computed tomography (CT) of young patients without spinal pathology. METHODS: We analyzed 213 patients between 18 and 35 years of age w ... Full text Link to item Cite

Comparison of Nonneurological Structures at Risk During Anterior-to-Psoas Versus Transpsoas Surgical Approaches Using Abdominal CT Imaging From L1 to S1

Journal Article International Journal of Spine Surgery · December 1, 2023 Background: The kidneys, ribs, liver, spleen, and iliac crests can pose access-related issues to the disc space during both anterior-to-psoas (ATP) and transpsoas (TP) surgical approaches. The aim of this study was to identify and compare the presence and ... Full text Cite

Analysis of reasons for medical malpractice litigation due to spinal cord stimulator

Journal Article Interventional Pain Medicine · December 1, 2023 Study design: Retrospective cohort study. Introduction: Malpractice claims analysis is performed by several specialties to improve quality of patient care and to identify areas where physicians can improve their practice to mitigate the incidence of commit ... Full text Cite

Surface anatomical landmarks for spine surgery: A CT-based study of the sternal notch and sternal angle in 1,035 patients.

Journal Article J Clin Neurosci · December 2023 BACKGROUND: Understanding the location of surface anatomical landmarks in relation to the cervical and thoracic spine is important for a wide array of clinical applications. The objective of this study was to investigate the influence of patient demographi ... Full text Link to item Cite

Anatomic Assessment of L1-S1 Neuroforaminal Dimensions Using Computed Tomography.

Journal Article J Bone Joint Surg Am · October 4, 2023 BACKGROUND: Although the radiographic parameters for diagnosing central lumbar canal stenosis are well described, parameters for the diagnosis of neuroforaminal stenosis (NFS) are less well defined. Previous studies have used magnetic resonance imaging (MR ... Full text Link to item Cite

An Analysis of Medical Malpractice Litigation due to Intravenous Steroid Treatment for Acute Spinal Cord Injury.

Journal Article Spine (Phila Pa 1976) · September 1, 2023 STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To evaluate the incidence of litigation due to using or foregoing methylprednisolone (MP), naloxone, or tirilazad for treatment of acute spinal cord injury (ASCI) through querying the Westlaw and Verdict ... Full text Link to item Cite

Anterior-To-Psoas Approach Measurements, Feasibility, Non-Neurological Structures at Risk and Influencing Factors: A Bilateral Analysis From L1-L5 Using Computed Tomography Imaging.

Journal Article Oper Neurosurg · July 1, 2023 BACKGROUND AND OBJECTIVES: Spinal fusion through the anterior-to-psoas (ATP) technique harbors several approach-related risks. We used abdominal computed tomography imaging to analyze the L1-L5 ATP fusion approach measurements, feasibility, degree of obstr ... Full text Link to item Cite

Accounting for age in prediction of discharge destination following elective lumbar fusion: a supervised machine learning approach.

Journal Article Spine J · July 2023 BACKGROUND CONTEXT: The number of elective spinal fusion procedures performed each year continues to grow, making risk factors for post-operative complications following this procedure increasingly clinically relevant. Nonhome discharge (NHD) is of particu ... Full text Link to item Cite

CT-based analysis of oblique lateral interbody fusion from L1 to L5: location of incision, feasibility of safe corridor approach, and influencing factors.

Journal Article Eur Spine J · June 2023 PURPOSE: The primary aim was to measure the safe corridor (SC), surgical incision anterior margin (AM), and posterior margin (PM) for OLIF bilaterally from L1 to L5. The secondary aim was to determine the feasibility of approach via the SC. The tertiary ai ... Full text Link to item Cite

Reoperation and Perioperative Complications After Surgical Treatment of Cervical Radiculopathy: A Comparison Between Three Procedures.

Journal Article Spine (Phila Pa 1976) · February 15, 2023 STUDY DESIGN: A retrospective database study. OBJECTIVE: The purpose of our study was to compare the perioperative complications and reoperation rates after anterior cervical discectomy and fusion (ACDF), cervical disk arthroplasty (CDA), and posterior cer ... Full text Link to item Cite

Predicting Pedicle Screw Pullout and Fatigue Performance: Comparing Lateral Dual-Energy X-Ray Absorptiometry, Anterior to Posterior Dual-Energy X-Ray Absorptiometry, and Computed Tomography Hounsfield Units

Journal Article International Journal of Spine Surgery · February 1, 2023 Background: As the prevalence and associated health care costs of osteoporosis continue to rise in our aging population, there is a growing need to continue to identify methods to predict spine construct integrity accurately and cost-effectively. Dual-ener ... Full text Cite

Comparison of cervical, thoracic, and lumbar vertebral bone quality scores for increased utility of bone mineral density screening.

Journal Article Eur Spine J · January 2023 PURPOSE: To evaluate the associations among the validated lumbar vertebral bone quality (VBQ) score, and cervical and thoracic VBQ scores. METHODS: Radiographic records of 100 patients who underwent synchronous MRI of the cervical, thoracic, and lumbar spi ... Full text Link to item Cite

Use of random forest machine learning algorithm to predict short term outcomes following posterior cervical decompression with instrumented fusion.

Journal Article J Clin Neurosci · January 2023 Random Forest (RF) is a widely used machine learning algorithm that can be utilized for identification of patient characteristics important for outcome prediction. Posterior cervical decompression with instrumented fusion (PCDF) is a procedure for the mana ... Full text Link to item Cite

Opportunistic assessment of bone density in patients with adolescent idiopathic scoliosis using MRI-based vertebral bone quality.

Journal Article J Clin Neurosci · September 2022 Patients with Adolescent Idiopathic Scoliosis (AIS) have increased prevalence of lower bone mineral density (BMD) compared to healthy adolescents. Our goal was to compare bone density in patients with AIS and a nonaffected control group using an MRI-based ... Full text Link to item Cite

Preoperative opiate use leads to increased postoperative opiate use and readmissions after anterior cervical discectomy and fusion

Journal Article Journal of Spine Surgery · June 1, 2022 Background: Determine effects of pre-operative opiate use on anterior cervical discectomy and fusion (ACDF) surgery outcomes. Methods: The study design was a single center retrospective cohort study. Patient records were reviewed from 2013 and 2018 for ele ... Full text Cite

Intra- and inter-observer reliability of the novel vertebral bone quality score.

Journal Article Eur Spine J · April 2022 PURPOSE: To assess the intra- and inter-observer reliability of the novel vertebral bone quality (VBQ) scoring system. METHODS: Four orthopedic surgery residents at various levels of training (PGY1-4) evaluated 100 noncontrast, T1-weighted MRIs of the lumb ... Full text Link to item Cite

Effect of narcotic prescription limiting legislation on opioid utilization following pediatric spinal fusion for scoliosis.

Journal Article Spine Deform · March 2022 BACKGROUND CONTEXT: Since 2016, 35 of 50 US states have approved opioid-limiting and monitoring laws. The impact on postoperative opioid prescribing and secondary outcomes following pediatric scoliosis deformity correction surgery remains unknown. PURPOSE: ... Full text Link to item Cite

Estimation of the duration of three common spine procedures as a tool for operating room utilization

Journal Article Perioperative Care and Operating Room Management · September 1, 2021 Background: Operating room (OR) utilization is the ratio of total hours of elective cases divided by the number of hours the OR is staffed. Suboptimal OR utilization wastes medical resources, increases overall cost to healthcare organizations and ultimatel ... Full text Cite

Synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome presenting with a cervical vertebral fracture: A case report

Journal Article North American Spine Society Journal · March 1, 2021 Background context: Synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome is a rare condition that can be difficult to diagnose. There are no guidelines for the treatment of SAPHO syndrome, but newer modalities of medications show promis ... Full text Cite

Lumbar and sacral brucellosis due to queso fresco ingestion

Journal Article Journal of Surgical Case Reports · February 1, 2021 Brucellosis is rare in the USA, with 100-200 cases reported annually. In this case we illustrate the complex management of spinal brucellosis. A 22-year-old male presented with 3 months of low back pain. Imaging revealed osteomyelitis/diskitis of L5/S1 and ... Full text Cite

Can L5 be trusted during proximal extension of fusion? A case series and a review of the literature

Journal Article International Journal of Spine Surgery · June 30, 2020 Background: Debate on whether to stop fusion at L5 or to extend fusion to S1 in a long spinal construct has been a controversial topic in spine surgery. Fewer data are available to support whether to include a prior solid fusion at L4-L5 or to extend to S1 ... Full text Cite

Lumbar Discitis and Osteomyelitis After a Spinal Stem Cell Injection?: A Case Report and Literature Review.

Journal Article JBJS Case Connect · 2020 CASE: A 32-year-old man developed lumbar discitis and osteomyelitis after receiving a cell-based injection for the treatment of degenerative disc disease. Initial cultures were negative, but he continued to worsen, and a repeat set of cultures was taken. O ... Full text Link to item Cite

Sacral Endplate Penetrating Screw for Lumbosacral Fixation: A Cadaveric Biomechanical Study.

Journal Article Oper Neurosurg · October 1, 2019 BACKGROUND: Cortical bone trajectory is a relatively new alternative for instrumentation of the lumbar spine. When performing lumbosacral instrumentation, a novel S1 endplate penetrating screw (EPS) has been recently shown to have higher insertional torque ... Full text Link to item Cite

Measurement Techniques and Utility of Hounsfield Unit Values for Assessment of Bone Quality Prior to Spinal Instrumentation: A Review of Current Literature.

Journal Article Spine (Phila Pa 1976) · February 15, 2019 STUDY DESIGN: A systematic review. OBJECTIVE: The aim of this study was to evaluate the clinical utility of assessing bone quality using computed tomography (CT) attenuation in Hounsfield units (HU). SUMMARY OF BACKGROUND DATA: Assessing bone quality befor ... Full text Link to item Cite

Antiplatelet versus anticoagulation for asymptomatic patients with vertebral artery injury during anterior cervical surgery—two case reports and review of literature

Journal Article Brain Sciences · January 1, 2019 Vertebral Artery Injury (VAI) while performing cervical spinal reconstruction surgery is rare, but it can lead to catastrophic events. Treatment for this injury with regard to antiplatelet versus anticoagulation therapy is controversial. The purpose of thi ... Full text Cite

C1 Lateral Mass Displacement and Transverse Atlantal Ligament Failure in Jefferson's Fracture: A Biomechanical Study of the "Rule of Spence".

Journal Article Neurosurgery · February 1, 2018 BACKGROUND: Jefferson's fracture, first described in 1927, represents a bursting fracture of the C1 ring with lateral displacement of the lateral masses. It has been determined that if the total lateral mass displacement (LMD) exceeds 6.9 mm, there is high ... Full text Link to item Cite

Pedicle screws with modular head vs. preassembled head used in cortical bone trajectory: Can pars and pedicle fractures be prevented in osteoporotic bone?

Journal Article J Clin Neurosci · January 2018 Pars and pedicle fractures as a result of CBT (cortical bone trajectory) during pedicle screw placement have been reported. The primary aim of the study is to compare the fracture rate between screws with modular heads to screws with standard pre-assembled ... Full text Link to item Cite

The relationship between cervical lordosis and Nurick scores in patients undergoing circumferential vs. posterior alone cervical decompression, instrumentation and fusion for treatment of cervical spondylotic myelopathy.

Journal Article J Clin Neurosci · November 2017 The loss of regional cervical sagittal alignment and the progressive development of cervical kyphosis is a factor in the advancement of myelopathy. Adequate decompression of the spinal canal along with reestablishment of cervical lordosis are desired objec ... Full text Link to item Cite

A comparison of Staphylococcus aureus biofilm formation on cobalt-chrome and titanium-alloy spinal implants.

Journal Article J Clin Neurosci · September 2016 The use of cobalt chrome (CoCr) implants in spinal surgery has become increasingly popular. However, there have been no studies specifically comparing biofilm formation on CoCr with that of titanium-alloy spinal implants. The objective of this study was to ... Full text Link to item Cite

Early complications after instrumentation of the lumbar spine using cortical bone trajectory technique.

Journal Article J Clin Neurosci · February 2016 This retrospective chart review aimed to identify and report on a series of early complications that resulted from instrumentation of the lumbar spine using the cortical bone trajectory (CBT) technique. CBT technique is a novel method for fixation of the l ... Full text Link to item Cite

Surgical correction of lumbar kyphotic deformity: posterior reduction "eggshell" osteotomy.

Journal Article J Neurosurg · January 2000 OBJECT: Progressive kyphotic deformity of the lumbar or thoracolumbar spine may lead to back pain, cosmetic deformity, and risk of neurological compromise. The authors describe a series of patients in whom they performed a single-stage, posterior reduction ... Full text Link to item Cite

Isolated revision acetabuloplasty using a porous-coated cementless acetabular component without removal of a well-fixed femoral component. A 3- to 9-year follow-up study.

Journal Article J Arthroplasty · October 1997 The results of isolated acetabular revision performed in 31 patients (32 hips) were monitored for between 3 and 9 years. All femoral components were well fixed and not removed or revised at the time of index surgery. There were 4 hips with little or no ace ... Full text Link to item Cite

Surgical approaches for the correction of unstable thoracolumbar burst fractures: a retrospective analysis of treatment outcomes.

Journal Article J Neurosurg · December 1995 The authors retrospectively studied 49 nonparaplegic patients who sustained acute unstable thoracolumbar burst fractures. All patients underwent surgical treatment and were followed for an average of 27 months. All but one patient achieved solid radiograph ... Full text Link to item Cite