Browsing by Author "Burton, Douglas"
Now showing items 1-20 of 85
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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.
Goldschmidt, Ezequiel; Angriman, Federico; Agarwal, Nitin; Trevisan, Marcos; Zhou, James; Chen, Katherine; Gerszten, Peter C; ... (26 authors) (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.
Goldschmidt, Ezequiel; Angriman, Federico; Agarwal, Nitin; Zhou, James; Chen, Katherine; Tempel, Zachary J; Gerszten, Peter C; ... (26 authors) (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.
Passias, Peter G; Brown, Avery E; Bortz, Cole; Pierce, Katherine; Alas, Haddy; Ahmad, Waleed; Passfall, Lara; ... (24 authors) (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 Deformity Patients Have Higher Baseline Frailty, Disability, and Comorbidities Compared With Complex Adult Thoracolumbar Deformity Patients: A Comparative Cohort Study of 616 Patients.
Smith, Justin S; Kelly, Michael P; Buell, Thomas J; Ben-Israel, David; Diebo, Bassel; Scheer, Justin K; Line, Breton; ... (31 authors) (Global spine journal, 2023-11)<h4>Study design</h4>Multicenter comparative cohort.<h4>Objective</h4>Studies have shown markedly higher rates of complications and all-cause mortality following surgery for adult cervical deformity (ACD) compared with adult ... -
Alterations in Magnitude and Shape of Thoracic Kyphosis Following Surgical Correction for Adult Spinal Deformity.
Lafage, Renaud; Song, Junho; Diebo, Bassel; Daniels, Alan H; Passias, Peter G; Ames, Christopher P; Bess, Shay; ... (20 authors) (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.
Protopsaltis, Themistocles S; Ramchandran, Subaraman; Hamilton, D Kojo; Sciubba, Daniel; Passias, Peter G; Lafage, Virginie; Lafage, Renaud; ... (15 authors) (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 ... -
Artificial Intelligence Based Hierarchical Clustering of Patient Types and Intervention Categories in Adult Spinal Deformity Surgery: Towards a New Classification Scheme that Predicts Quality and Value.
Ames, Christopher P; Smith, Justin S; Pellisé, Ferran; Kelly, Michael; Alanay, Ahmet; Acaroğlu, Emre; Pérez-Grueso, Francisco Javier Sánchez; ... (18 authors) (Spine, 2019-07)STUDY DESIGN:Retrospective review of prospectively-collected, multicenter adult spinal deformity (ASD) databases. OBJECTIVE:To apply artificial intelligence (AI)-based hierarchical clustering as a step toward a classification ... -
At What Point Should the Thoracolumbar Region Be Addressed in Patients Undergoing Corrective Cervical Deformity Surgery?
Passias, Peter G; Pierce, Katherine E; Naessig, Sara; Ahmad, Waleed; Passfall, Lara; Lafage, Renaud; Lafage, Virginie; ... (21 authors) (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.
Lafage, Renaud; Smith, Justin S; Elysee, Jonathan; Passias, Peter; Bess, Shay; Klineberg, Eric; Kim, Han Jo; ... (15 authors) (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.
Pierce, Katherine E; Passias, Peter G; Daniels, Alan H; Lafage, Renaud; Ahmad, Waleed; Naessig, Sara; Lafage, Virginie; ... (16 authors) (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 ... -
Calibration of a comprehensive predictive model for the development of proximal junctional kyphosis and failure in adult spinal deformity patients with consideration of contemporary goals and techniques.
Tretiakov, Peter S; Lafage, Renaud; Smith, Justin S; Line, Breton G; Diebo, Bassel G; Daniels, Alan H; Gum, Jeffrey; ... (29 authors) (Journal of neurosurgery. Spine, 2023-06)<h4>Objective</h4>The objective of this study was to calibrate an updated predictive model incorporating novel clinical, radiographic, and prophylactic measures to assess the risk of proximal junctional kyphosis (PJK) and ... -
Cervical mismatch: the normative value of T1 slope minus cervical lordosis and its ability to predict ideal cervical lordosis.
Staub, Blake N; Lafage, Renaud; Kim, Han Jo; Shaffrey, Christopher I; Mundis, Gregory M; Hostin, Richard; Burton, Douglas; ... (15 authors) (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 Versus Thoracolumbar Spinal Deformities: A Comparison of Baseline Quality-of-Life Burden.
Passias, Peter G; Poorman, Gregory W; Lafage, Virginie; Smith, Justin; Ames, Christopher; Schwab, Frank; Shaffrey, Chris; ... (23 authors) (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 ... -
Change in classification grade by the SRS-Schwab Adult Spinal Deformity Classification predicts impact on health-related quality of life measures: prospective analysis of operative and nonoperative treatment.
Smith, Justin S; Klineberg, Eric; Schwab, Frank; Shaffrey, Christopher I; Moal, Bertrand; Ames, Christopher P; Hostin, Richard; ... (15 authors) (Spine, 2013-09)<h4>Study design</h4>Multicenter, prospective, consecutive series.<h4>Objective</h4>To evaluate responsiveness of the Scoliosis Research Society (SRS)-Schwab adult spinal deformity (ASD) classification to changes ... -
Changes in thoracic kyphosis negatively impact sagittal alignment after lumbar pedicle subtraction osteotomy: a comprehensive radiographic analysis.
Lafage, Virginie; Ames, Christopher; Schwab, Frank; Klineberg, Eric; Akbarnia, Behrooz; Smith, Justin; Boachie-Adjei, Oheneba; ... (14 authors) (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 ... -
Comparison of patient and surgeon perceptions of adverse events after adult spinal deformity surgery.
Hart, Robert A; Cabalo, Adam; Bess, Shay; Akbarnia, Behrooz A; Boachie-Adjei, Oheneba; Burton, Douglas; Cunningham, Matthew E; ... (16 authors) (Spine, 2013-04)<h4>Study design</h4>Survey based on complication scenarios.<h4>Objective</h4>To assess and compare perceived potential impacts of various perioperative adverse events by both surgeons and patients.<h4>Summary of background ... -
Complication rate evolution across a 10-year enrollment period of a prospective multicenter database.
Lafage, Renaud; Fong, Alex M; Klineberg, Eric; Smith, Justin S; Bess, Shay; Shaffrey, Christopher I; Burton, Douglas; ... (15 authors) (Journal of neurosurgery. Spine, 2021-12)<h4>Objective</h4>Adult spinal deformity is a complex pathology that benefits greatly from surgical treatment. Despite continuous innovation, little is known regarding continuous changes in surgical techniques and ... -
Complications and intercenter variability of three-column osteotomies for spinal deformity surgery: a retrospective review of 423 patients.
Bianco, Kristina; Norton, Robert; Schwab, Frank; Smith, Justin S; Klineberg, Eric; Obeid, Ibrahim; Mundis, Gregory; ... (18 authors) (Neurosurgical focus, 2014-05)<h4>Object</h4>Three-column resection osteotomies (3COs) are commonly performed for sagittal deformity but have high rates of reported complications. Authors of this study aimed to examine the incidence of and intercenter ... -
Cost-utility analysis of cervical deformity surgeries using 1-year outcome.
Poorman, Gregory W; Passias, Peter G; Qureshi, Rabia; Hassanzadeh, Hamid; Horn, Samantha; Bortz, Cole; Segreto, Frank; ... (18 authors) (The spine journal : official journal of the North American Spine Society, 2018-09)<h4>Background context</h4>Cost-utility analysis, a special case of cost-effectiveness analysis, estimates the ratio between the cost of an intervention to the benefit it produces in number of quality-adjusted life years. ... -
Counseling Guidelines for Anticipated Postsurgical Improvements in Pain, Function, Mental Health, and Self-image for Different Types of Adult Spinal Deformity.
Line, Breton; Bess, Shay; Lafage, Virginie; Ames, Christopher; Burton, Douglas; Kim, Han Jo; Gupta, Munish; ... (17 authors) (Spine, 2020-08)STUDY DESIGN:Retrospective analysis of a multicenter prospective adult spinal deformity (ASD) database. OBJECTIVE:Quantify postoperative improvements in pain, function, mental health, and self-image for different ASD types. ...