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Browsing by Author "Eastlack, Robert K"
Now showing items 1-20 of 40
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Appropriate Risk Stratification and Accounting for Age-Adjusted Reciprocal Changes in the Thoracolumbar Spine Reduces the Incidence and Magnitude of Distal Junctional Kyphosis in Cervical Deformity Surgery.
Passias, Peter G; Bortz, Cole; Pierce, Katherine E; Kummer, Nicholas A; Lafage, Renaud; Diebo, Bassel G; Line, Breton G; ... (22 authors) (Spine, 2021-11)<h4>Study design</h4>Retrospective cohort study of a prospective cervical deformity (CD) database.<h4>Objective</h4>Identify factors associated with distal junctional kyphosis (DJK); assess differences across DJK ... -
Are Minimally Invasive Spine Surgeons or Classical Open Spine Surgeons More Consistent with Their Treatment of Adult Spinal Deformity?
Uribe, Juan S; Koffie, Robert M; Wang, Michael Y; Mundis, Gregory M; Kanter, Adam S; Eastlack, Robert K; Anand, Neel; ... (18 authors) (World neurosurgery, 2022-09)<h4>Objective</h4>Spine surgeons have a heuristic sense of how to surgically restore alignment and address adult spinal deformity (ASD) symptoms, but consensus on the extent of treatment remains unclear. We sought to determine ... -
Are we improving in the optimization of surgery for high-risk adult cervical spine deformity patients over time?
Passias, Peter G; Tretiakov, Peter S; Smith, Justin S; Lafage, Renaud; Diebo, Bassel; Scheer, Justin K; Eastlack, Robert K; ... (19 authors) (Journal of neurosurgery. Spine, 2023-07)<h4>Objective</h4>The aim of this study was to investigate whether surgery for high-risk patients is being optimized over time and if poor outcomes are being minimized.<h4>Methods</h4>Patients who underwent surgery for cervical ... -
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 ... -
Can a Minimal Clinically Important Difference Be Achieved in Elderly Patients with Adult Spinal Deformity Who Undergo Minimally Invasive Spinal Surgery?
Park, Paul; Okonkwo, David O; Nguyen, Stacie; Mundis, Gregory M; Than, Khoi D; Deviren, Vedat; La Marca, Frank; ... (21 authors) (World neurosurgery, 2016-02)<h4>Background</h4>Older age has been considered a relative contraindication to complex spinal procedures. Minimally invasive surgery (MIS) techniques to treat patients with adult spinal deformity (ASD) have emerged with ... -
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.
Passias, Peter G; Horn, Samantha R; Poorman, Gregory W; Daniels, Alan H; Hamilton, D Kojo; Kim, Han Jo; Diebo, Bassel G; ... (22 authors) (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 ... -
Comparison of Complications and Clinical and Radiographic Outcomes Between Nonobese and Obese Patients with Adult Spinal Deformity Undergoing Minimally Invasive Surgery.
Park, Paul; Wang, Michael Y; Nguyen, Stacie; Mundis, Gregory M; La Marca, Frank; Uribe, Juan S; Anand, Neel; ... (17 authors) (World neurosurgery, 2016-03)<h4>Objective</h4>Obesity can be associated with increased complications and potentially worse outcomes. We aimed to evaluate the impact of obesity on complications and outcomes in patients with adult spinal deformity (ASD) ... -
Comparison of radiographic results after minimally invasive, hybrid, and open surgery for adult spinal deformity: a multicenter study of 184 patients.
Haque, Raqeeb M; Mundis, Gregory M; Ahmed, Yousef; El Ahmadieh, Tarek Y; Wang, Michael Y; Mummaneni, Praveen V; Uribe, Juan S; ... (21 authors) (Neurosurgical focus, 2014-05)<h4>Object</h4>Various surgical approaches, including open, minimally invasive, and hybrid techniques, have gained momentum in the management of adult spinal deformity. However, few data exist on the radiographic outcomes ... -
Comparison of two minimally invasive surgery strategies to treat adult spinal deformity.
Park, Paul; Wang, Michael Y; Lafage, Virginie; Nguyen, Stacie; Ziewacz, John; Okonkwo, David O; Uribe, Juan S; ... (19 authors) (Journal of neurosurgery. Spine, 2015-04)<h4>Object</h4>Minimally invasive surgery (MIS) techniques are becoming a more common means of treating adult spinal deformity (ASD). The aim of this study was to compare the hybrid (HYB) surgical approach, involving minimally ... -
Determining the best vertebra for measuring pelvic incidence and spinopelvic parameters in adult spinal deformity patients with transitional anatomy.
Ani, Fares; Protopsaltis, Themistocles S; Parekh, Yesha; Odeh, Khalid; Lafage, Renaud; Smith, Justin S; Eastlack, Robert K; ... (18 authors) (Journal of neurosurgery. Spine, 2023-10)<h4>Objective</h4>The aim of this study was to determine if spinal deformity patients with L5 sacralization should have pelvic incidence (PI) and other spinopelvic parameters measured from the L5 or S1 endplate.<h4>Metho... -
Development of a Novel Cervical Deformity Surgical Invasiveness Index.
Passias, Peter G; Horn, Samantha R; Soroceanu, Alexandra; Oh, Cheongeun; Ailon, Tamir; Neuman, Brian J; Lafage, Virginie; ... (26 authors) (Spine, 2020-01)STUDY DESIGN:Retrospective review. OBJECTIVE:The aim of this study was to develop a novel surgical invasiveness index for cervical deformity (CD) surgery that incorporates CD-specific parameters. SUMMARY OF BACKGROUND DATA:There ... -
Does Achieving Global Spinal Alignment Lead to Higher Patient Satisfaction and Lower Disability in Adult Spinal Deformity?
Sheikh Alshabab, Basel; Gupta, Munish C; Lafage, Renaud; Bess, Shay; Shaffrey, Christopher; Kim, Han Jo; Ames, Christopher P; ... (15 authors) (Spine, 2021-08)<h4>Study design</h4>Multicenter retrospective review of prospective database.<h4>Objective</h4>The aim of this study was to investigate potential associations between postoperative alignment and satisfaction.<h4>Summary ... -
Factors affecting approach selection for minimally invasive versus open surgery in the treatment of adult spinal deformity: analysis of a prospective, nonrandomized multicenter study.
Park, Paul; Than, Khoi D; Mummaneni, Praveen V; Nunley, Pierce D; Eastlack, Robert K; Uribe, Juan S; Wang, Michael Y; ... (18 authors) (Journal of neurosurgery. Spine, 2020-06)<h4>Objective</h4>Surgical decision-making and planning is a key factor in optimizing outcomes in adult spinal deformity (ASD). Minimally invasive spinal (MIS) strategies for ASD have been increasingly used as an option ... -
Global coronal decompensation and adult spinal deformity surgery: comparison of upper-thoracic versus lower-thoracic proximal fixation for long fusions.
Buell, Thomas J; Shaffrey, Christopher I; Kim, Han Jo; Klineberg, Eric O; Lafage, Virginie; Lafage, Renaud; Protopsaltis, Themistocles S; ... (26 authors) (Journal of neurosurgery. Spine, 2021-08)<h4>Objective</h4>Deterioration of global coronal alignment (GCA) may be associated with worse outcomes after adult spinal deformity (ASD) surgery. The impact of fusion length and upper instrumented vertebra (UIV) selection ... -
Height Gain Following Correction of Adult Spinal Deformity.
Diebo, Bassel G; Tataryn, Zachary; Alsoof, Daniel; Lafage, Renaud; Hart, Robert A; Passias, Peter G; Ames, Christopher P; ... (35 authors) (The Journal of bone and joint surgery. American volume, 2023-07)<h4>Background</h4>Height gain following a surgical procedure for patients with adult spinal deformity (ASD) is incompletely understood, and it is unknown if height gain correlates with patient-reported outcome measures ... -
Highest Achievable Outcomes for Patients Undergoing Cervical Deformity Corrective Surgery by Frailty.
Passias, Peter G; Kummer, Nicholas; Williamson, Tyler K; Williamson, Tyler K; Moattari, Kevin; Lafage, Virginie; Lafage, Renaud; ... (30 authors) (Neurosurgery, 2022-11)<h4>Background</h4>Frailty is influential in determining operative outcomes, including complications, in patients with cervical deformity (CD).<h4>Objective</h4>To assess whether frailty status limits the highest achievable ... -
Impact of case type, length of stay, institution type, and comorbidities on Medicare diagnosis-related group reimbursement for adult spinal deformity surgery.
Nunley, Pierce D; Mundis, Gregory M; Fessler, Richard G; Park, Paul; Zavatsky, Joseph M; Uribe, Juan S; Eastlack, Robert K; ... (16 authors) (Neurosurgical focus, 2017-12)OBJECTIVE The aim of this study was to educate medical professionals about potential financial impacts of improper diagnosis-related group (DRG) coding in adult spinal deformity (ASD) surgery. METHODS Medicare's Inpatient ... -
Incremental benefits of circumferential minimally invasive surgery for increasingly frail patients with adult spinal deformity.
Passias, Peter G; Tretiakov, Peter S; Nunley, Pierce D; Wang, Michael Y; Park, Paul; Kanter, Adam S; Okonkwo, David O; ... (30 authors) (Journal of neurosurgery. Spine, 2023-04)<h4>Objective</h4>Circumferential minimally invasive surgery (cMIS) may provide incremental benefits compared with open surgery for patients with increasing frailty status by decreasing peri- and postoperative complicati... -
Is frailty responsive to surgical correction of adult spinal deformity? An investigation of sagittal re-alignment and frailty component drivers of postoperative frailty status.
Passias, Peter G; Segreto, Frank A; Moattari, Kevin A; Lafage, Renaud; Smith, Justin S; Line, Breton G; Eastlack, Robert K; ... (14 authors) (Spine deformity, 2022-07)<h4>Purpose</h4>Frailty has been associated with adverse postoperative outcomes. Recently, a novel frailty index for preoperative risk stratification in patients with adult spinal deformity was developed. Components of the ... -
Is There a Patient Profile That Characterizes a Patient With Adult Spinal Deformity as a Candidate for Minimally Invasive Surgery?
Eastlack, Robert K; Mundis, Gregory M; Wang, Michael; Mummaneni, Praveen V; Uribe, Juan; Okonkwo, David; Akbarnia, Behrooz A; ... (15 authors) (Global spine journal, 2017-10)Retrospective review.The goal of this study was to evaluate the baseline characteristics of patients chosen to undergo traditional open versus minimally invasive surgery (MIS) for adult spinal deformity (ASD).A multicenter ...