Browsing by Author "Shaffrey, Christopher"
Now showing items 1-20 of 138
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A Multicenter Evaluation of Clinical and Radiographic Outcomes Following High-grade Spondylolisthesis Reduction and Fusion.
(Clinical spine surgery, 2017-05)<h4>Objective</h4>A retrospective review of the clinical and radiographic outcomes from a multicenter study of surgical treatment for high-grade spondylolisthesis (HGS) in adults. The objective was to assess the safety of ... -
A Multicenter Review of Superior Laryngeal Nerve Injury Following Anterior Cervical Spine Surgery.
(Global spine journal, 2017-04)A retrospective multicenter case-series study; case report and review of the literature.The anatomy and function of the superior laryngeal nerve (SLN) are well described; however, the consequences of SLN injury remain variable ... -
A Multicenter Study of the Presentation, Treatment, and Outcomes of Cervical Dural Tears.
(Global spine journal, 2017-04)<h4>Study design</h4>Retrospective multicenter case series study.<h4>Objective</h4>Because cervical dural tears are rare, most surgeons have limited experience with this complication. A multicenter study was performed to ... -
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 ... -
Activity and sports resumption after long segment fusions to the pelvis for adult spinal deformity: survey results of AO Spine members.
(Spine deformity, 2023-07)<h4>Purpose</h4>To assess recommendations for when adult spinal deformity (ASD) patients may return to athletic activities after surgery.<h4>Methods</h4>A web-based survey was administered to members of AO Spine. The survey ... -
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 ... -
Alignment Targets, Curve Proportion and Mechanical Loading: Preliminary Analysis of an Ideal Shape Toward Reducing Proximal Junctional Kyphosis.
(Global spine journal, 2022-07)<h4>Study design</h4>Retrospective cohort study.<h4>Objective</h4>Investigate risk factors for PJK including theoretical kyphosis, mechanical loading at the UIV and age adjusted offset alignment.<h4>Methods</h4>373 ASD patients ... -
Alterations in Magnitude and Shape of Thoracic Kyphosis Following Surgical Correction for Adult Spinal Deformity.
(Global spine journal, 2023-11)<h4>Study design</h4>Retrospective review of prospective multicenter data.<h4>Objectives</h4>This study aimed to investigate the shape of TK before and after fusion in ASD patients treated with long fusion.<h4>Methods</h4>ASD ... -
Analysis of Successful Versus Failed Radiographic Outcomes After Cervical Deformity Surgery.
(Spine, 2018-07)<h4>Study design</h4>Prospective multicenter cohort study with consecutive enrollment.<h4>Objective</h4>To evaluate preoperative alignment and surgical factors associated with suboptimal early postoperative radiographic ... -
Anterior versus posterior surgical approaches to treat cervical spondylotic myelopathy: outcomes of the prospective multicenter AOSpine North America CSM study in 264 patients.
(Spine, 2013-12)<h4>Study design</h4>A prospective observational multicenter study.<h4>Objective</h4>To help solve the debate regarding whether the anterior or posterior surgical approach is optimal for patients with cervical spondylotic ... -
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 Impact of Long-Cassette Standing X-Rays on Surgical Planning for Cervical Pathology: An International Survey of Spine Surgeons.
(Neurosurgery, 2016-05)<h4>Background</h4>Understanding the role of regional segments of the spine in maintaining global balance has garnered significant attention recently. Long-cassette radiographs (LCR) are necessary to evaluate global spinopelvic ... -
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 ... -
At What Point Should the Thoracolumbar Region Be Addressed in Patients Undergoing Corrective Cervical Deformity Surgery?
(Spine, 2021-10)<h4>Study design</h4>Retrospective cohort study.<h4>Objective</h4>The aim of this study was to investigate the impact of cervical to thoracolumbar ratios on poor outcomes in cervical deformity (CD) corrective surgery.<h4>Summary ... -
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 ...
