ALERT: This system is being upgraded on Tuesday December 12. It will not be available
for use for several hours that day while the upgrade is in progress. Deposits to DukeSpace
will be disabled on Monday December 11, so no new items are to be added to the repository
while the upgrade is in progress. Everything should be back to normal by the end of
day, December 12.
Browsing by Author "Ames, Christopher"
Now showing items 1-20 of 93
-
1-Year Post-Operative Radiographic and Patient-Reported Outcomes following Cervical Deformity Correction are not Affected by a Short-Term Unplanned Return to the OR.
(Spine, 2023-02)<h4>Study design</h4>Retrospective analysis of a prospectively-collected multi-center database.<h4>Objective</h4>Assess the radiographic and health-related quality of life (HRQoL) impact of a short term (<1 y) return to ... -
A New Piece of the Puzzle to Understand Cervical Sagittal Alignment: Utilizing a Novel Angle δ to Describe the Relationship among T1 Vertebral Body Slope, Cervical Lordosis, and Cervical Sagittal Alignment.
(Neurosurgery, 2020-03)Cervical alignment has become increasingly important in the planning of spine surgery. A relationship between the slope of T1 (T1S), the cervical lordosis (CL), and the overall cervical sagittal vertical axis (cSVA) has ... -
A Novel Tool for Deformity Surgery Planning: Determining the Magnitude of Lordotic Correction Required to Achieve a Desired Sagittal Vertical Axis.
(World neurosurgery, 2017-08)<h4>Objective</h4>We sought to create a model capable of predicting the magnitude of pelvic incidence-lumbar lordosis (PI-LL) correction necessary to achieve a desired change in sagittal vertical axis (SVA).<h4>Methods</h4>A ... -
A Risk-Benefit Analysis of Increasing Surgical Invasiveness Relative to Frailty Status in Adult Spinal Deformity Surgery.
(Spine, 2021-08)<h4>Study design</h4>Retrospective review of a prospectively enrolled multicenter Adult Spinal Deformity (ASD) database.<h4>Objective</h4>Investigate invasiveness and outcomes of ASD surgery by frailty state.<h4>Summary ... -
Adult cervical spine deformity: a state-of-the-art review.
(Spine Deform, 2023-09-30)Adult cervical deformity is a structural malalignment of the cervical spine that may present with variety of significant symptomatology for patients. There are clear and substantial negative impacts of cervical spine deformity, ... -
Adult Scoliosis Deformity Surgery: Comparison of Outcomes Between One Versus Two Attending Surgeons.
(Spine, 2017-07)<h4>Study design</h4>Retrospective review of prospectively collected data.<h4>Objective</h4>Assess outcomes of adult spinal deformity (ASD) surgery performed by one versus two attending surgeons.<h4>Summary of background ... -
Adult Spinal Deformity Surgery Is Associated with Increased Productivity and Decreased Absenteeism From Work and School.
(Spine, 2022-02)<h4>Study design</h4>Retrospective cohort study.<h4>Objective</h4>We hypothesized that adult spinal deformity (ASD) surgery would be associated with improved work- and school-related productivity, as well as decreased rates ... -
After 9 Years of 3-Column Osteotomies, Are We Doing Better? Performance Curve Analysis of 573 Surgeries With 2-Year Follow-up.
(Neurosurgery, 2018-07)<h4>Background</h4>In spinal deformity treatment, the increased utilization of 3-column (3CO) osteotomies reflects greater comfort and better training among surgeons. This study aims to evaluate the longitudinal performance ... -
Are the Arbeitsgemeinschaft Für Osteosynthesefragen (AO) Principles for Long Bone Fractures Applicable to 3-Column Osteotomy to Reduce Rod Fracture Rates?
(Clinical spine surgery, 2022-06)<h4>Objective</h4>The aim was to determine whether applying Arbeitsgemeinschaft für Osteosynthesefragen (AO) principles for external fixation of long bone fracture to patients with a 3-column osteotomy (3CO) would be associated ... -
Artificial intelligence clustering of adult spinal deformity sagittal plane morphology predicts surgical characteristics, alignment, and outcomes.
(European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2021-08)<h4>Purpose</h4>AI algorithms have shown promise in medical image analysis. Previous studies of ASD clusters have analyzed alignment metrics-this study sought to complement these efforts by analyzing images of sagittal anatomical ... -
Artificial Intelligence Models Predict Operative Versus Nonoperative Management of Patients with Adult Spinal Deformity with 86% Accuracy.
(World neurosurgery, 2020-09)<h4>Objective</h4>Patients with ASD show complex and highly variable disease. The decision to manage patients operatively is largely subjective and varies based on surgeon training and experience. We sought to develop models ... -
Assessment of Patient Outcomes and Proximal Junctional Failure Rate of Adult Spinal Deformity Patients Undergoing Caudal Extension of Previous Spinal Fusion.
(World neurosurgery, 2020-04-16)OBJECT:This case series examined patients undergoing caudal extension of prior fusion without alteration of the prior UIV to assess patient outcomes and rates of PJK/PJF. METHODS:Patients eligible for 2-year minimum follow-up ... -
Author Correction: Sagittal age-adjusted score (SAAS) for adult spinal deformity (ASD) more effectively predicts surgical outcomes and proximal junctional kyphosis than previous classifications.
(Spine deformity, 2023-03)In Fig. 4 of this article signs for points associated in all 3 components are incorrect and should be reversed, e.g. + 2 should be − 2 and vise versa; Fig. 4 should have appeared as shown below. The original article has ... -
Baseline Frailty Status Influences Recovery Patterns and Outcomes Following Alignment Correction of Cervical Deformity.
(Neurosurgery, 2021-05)<h4>Background</h4>Frailty severity may be an important determinant for impaired recovery after cervical spine deformity (CD) corrective surgery.<h4>Objective</h4>To evaluate postop clinical recovery among CD patients between ... -
Cervical mismatch: the normative value of T1 slope minus cervical lordosis and its ability to predict ideal cervical lordosis.
(Journal of neurosurgery. Spine, 2018-10)OBJECTIVE: Numerous studies have attempted to delineate the normative value for T1S-CL (T1 slope minus cervical lordosis) as a marker for both cervical deformity and a goal for correction similar to how PI-LL (pelvic ... -
Cervical sagittal deformity develops after PJK in adult thoracolumbar deformity correction: radiographic analysis utilizing a novel global sagittal angular parameter, the CTPA.
(European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2017-04)<h4>Purpose</h4>To describe reciprocal changes in cervical alignment after adult spinal deformity (ASD) correction and subsequent development of proximal junctional kyphosis (PJK). This study also investigated these changes ... -
Cervical Versus Thoracolumbar Spinal Deformities: A Comparison of Baseline Quality-of-Life Burden.
(Clinical spine surgery, 2018-12)<h4>Study design</h4>Retrospective analysis of 2 prospectively collected multicenter databases, one for cervical deformity (CD) and the other for general adult spinal deformity.<h4>Objective</h4>To investigate the relative ... -
Changes in thoracic kyphosis negatively impact sagittal alignment after lumbar pedicle subtraction osteotomy: a comprehensive radiographic analysis.
(Spine, 2012-02)<h4>Study design</h4>Consecutive, multicenter retrospective review.<h4>Objective</h4>To evaluate if change in thoracic kyphosis (TK) has a positive or negative impact on spinopelvic alignment after lumbar pedicle subtraction ... -
Clinical and radiographic presentation and treatment of patients with cervical deformity secondary to thoracolumbar proximal junctional kyphosis are distinct despite achieving similar outcomes: Analysis of 123 prospective CD cases.
(Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia, 2018-10)CD development secondary to PJK was recently documented in adult spinal deformity patients after surgical correction for thoracolumbar ASD. This study analyzes surgical management of patients with CD secondary to proximal ... -
Comparing Quality of Life in Cervical Spondylotic Myelopathy with Other Chronic Debilitating Diseases Using the Short Form Survey 36-Health Survey.
(World neurosurgery, 2017-10)<h4>Background</h4>Although cervical spondylotic myelopathy (CSM) can be devastating, its relative impact on general health remains unclear. Patient responses to the Short Form Survey 36-Health Survey (SF-36) Physical Component ...
