Browsing by Author "Hart, Robert"

A Comparison of Three Different Positioning Techniques on Surgical Corrections and Postoperative Alignment in Cervical Spinal Deformity (CD) Surgery.

Morse, Kyle W; Lafage, Renaud; Passias, Peter; Ames, Christopher P; Hart, Robert; Shaffrey, Christopher I; Mundis, Gregory; ... (14 authors) (Spine, 2021-05)

<h4>Study design</h4>Retrospective review of a prospective multicenter cervical deformity database.<h4>Objective</h4>To examine the differences in sagittal alignment correction between three positioning methods in cervical ...

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 ...

A standardized nomenclature for cervical spine soft-tissue release and osteotomy for deformity correction: clinical article.

Ames, Christopher P; Smith, Justin S; Scheer, Justin K; Shaffrey, Christopher I; Lafage, Virginie; Deviren, Vedat; Moal, Bertrand; ... (17 authors) (Journal of neurosurgery. Spine, 2013-09)

<h4>Object</h4>Cervical spine osteotomies are powerful techniques to correct rigid cervical spine deformity. Many variations exist, however, and there is no current standardized system with which to describe and classify ...

Artificial Intelligence Models Predict Operative Versus Nonoperative Management of Patients with Adult Spinal Deformity with 86% Accuracy.

Durand, Wesley M; Daniels, Alan H; Hamilton, David K; Passias, Peter; Kim, Han Jo; Protopsaltis, Themistocles; LaFage, Virginie; ... (17 authors) (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 Surgical Treatment Strategies for Moderate to Severe Cervical Spinal Deformity Reveals Marked Variation in Approaches, Osteotomies, and Fusion Levels.

Smith, Justin S; Klineberg, Eric; Shaffrey, Christopher I; Lafage, Virginie; Schwab, Frank J; Protopsaltis, Themistocles; Scheer, Justin K; ... (22 authors) (World neurosurgery, 2016-07)

<h4>Objective</h4>Although previous reports suggest that surgery can improve the pain and disability of cervical spinal deformity (CSD), techniques are not standardized. Our objective was to assess for consensus on recommended ...

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 ...

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 ...

Cervical sagittal deformity develops after PJK in adult thoracolumbar deformity correction: radiographic analysis utilizing a novel global sagittal angular parameter, the CTPA.

Protopsaltis, Themistocles; Bronsard, Nicolas; Soroceanu, Alex; Henry, Jensen K; Lafage, Renaud; Smith, Justin; Klineberg, Eric; ... (15 authors) (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.

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 ...

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 ...

Clinical outcomes and proximal junctional failure in adult spinal deformity patients corrected to normative alignment versus functional alignment.

Protopsaltis, Themistocles S; Ani, Fares; Soroceanu, Alexandra; Lafage, Renaud; Kim, Han Jo; Balouch, Eaman; Norris, Zoe; ... (18 authors) (Journal of neurosurgery. Spine, 2023-07)

<h4>Objective</h4>The objective of this study was to explore the rate of proximal junctional failure (PJF) and functional outcomes of normative alignment goals compared with alignment targets based on age-appropriate physical ...

Complication rates associated with 3-column osteotomy in 82 adult spinal deformity patients: retrospective review of a prospectively collected multicenter consecutive series with 2-year follow-up.

Smith, Justin S; Shaffrey, Christopher I; Klineberg, Eric; Lafage, Virginie; Schwab, Frank; Lafage, Renaud; Kim, Han Jo; ... (21 authors) (Journal of neurosurgery. Spine, 2017-10)

OBJECTIVE Although 3-column osteotomy (3CO) can provide powerful alignment correction in adult spinal deformity (ASD), these procedures are complex and associated with high complication rates. The authors' objective was ...

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 ...

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. ...

Critical Analysis of Radiographic and Patient Reported Outcomes Following Anterior/Posterior Staged vs. Same Day Surgery in Patients Undergoing Identical Corrective Surgery for Adult Spinal Deformity.

Passias, Peter G; Ahmad, Waleed; Tretiakov, Peter S; Lafage, Renaud; Lafage, Virginie; Schoenfeld, Andrew J; Line, Breton; ... (24 authors) (Spine, 2023-07)

<h4>Studydesign</h4>Retrospective cohort study of a prospectively collected multi-center adult spinal deformity (ASD) database.<h4>Objective</h4>To compare staged procedures to same-day interventions and identify the optimal ...

Despite worse baseline status depressed patients achieved outcomes similar to those in nondepressed patients after surgery for cervical deformity.

Poorman, Gregory W; Passias, Peter G; Horn, Samantha R; Frangella, Nicholas J; Daniels, Alan H; Hamilton, D Kojo; Kim, Hanjo; ... (22 authors) (Neurosurgical focus, 2017-12)

OBJECTIVE Depression and anxiety have been demonstrated to have negative impacts on outcomes after spine surgery. In patients with cervical deformity (CD), the psychological and physiological burdens of the disease may overlap ...

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...

Diversity in Surgical Decision Strategies for Adult Spine Deformity Treatment: The Effects of Neurosurgery or Orthopedic Training Background and Surgical Experience.

Kang, Jiin; Hosogane, Naobumi; Ames, Christopher; Schwab, Frank; Hart, Robert; Burton, Douglas; Shaffrey, Christopher; ... (12 authors) (Neurospine, 2018-08-29)

This study is aimed to investigate whether surgical strategies for adult spinal deformity (ASD) treatment differed among Korean physicians.This study is retrospective questionnaire-based study. ASD is challenging to manage, ...