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List of works by Themistocles S Protopsaltis

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

scientific article published on 01 March 2020

A Novel Tool for Deformity Surgery Planning: Determining the Magnitude of Lordotic Correction Required to Achieve a Desired Sagittal Vertical Axis

scientific article

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

scientific article published on 05 July 2013

Adult Spinal Deformity Surgeons Are Unable to Accurately Predict Postoperative Spinal Alignment Using Clinical Judgment Alone

scientific article

Age and Gender Confound PROMIS Scores in Spine Patients With Back and Neck Pain

scientific article published on 13 February 2020

Analysis of Successful vs. Failed Radiographic Outcomes following Cervical Deformity Surgery.

scientific article published on 8 December 2017

Assessment of Surgical Treatment Strategies for Moderate to Severe Cervical Spinal Deformity Reveals Marked Variation in Approaches, Osteotomies, and Fusion Levels

scientific article

Assessment of impact of standing long-cassette radiographs on surgical planning for lumbar pathology: an international survey of spine surgeons

scientific article

Association between preoperative cervical sagittal deformity and inferior outcomes at 2-year follow-up in patients with adult thoracolumbar deformity: analysis of 182 patients

scientific article

Body mass index predicts risk of complications in lumbar spine surgery based on surgical invasiveness

scientific article

Cervical compensatory alignment changes following correction of adult thoracic deformity: a multicenter experience in 57 patients with a 2-year follow-up

scientific article

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

scientific article

Cervical spine alignment, sagittal deformity, and clinical implications: a review.

scientific article published on 14 June 2013

Characterizing Adult Cervical Deformity and Disability Based on Existing Cervical and Adult Deformity Classification Schemes at Presentation and Following Correction.

scientific article

Clinical and Radiographic Evaluation of Adult Spinal Deformity

scientific article

Clinical improvement through nonoperative treatment of adult spinal deformity: who is likely to benefit?

scientific article published in May 2014

Comparing Quality of Life in Cervical Spondylotic Myelopathy with Other Chronic Debilitating Diseases Using the SF-36 Survey

scientific article

Comparison of Best Versus Worst Clinical Outcomes for Adult Cervical Deformity Surgery.

scientific article

Comparison of Structural Disease Burden to Health-related Quality of Life Scores in 264 Adult Spinal Deformity Patients With 2-Year Follow-up: Novel Insights into Drivers of Disability

scientific article

Comparison of best versus worst clinical outcomes for adult spinal deformity surgery: a retrospective review of a prospectively collected, multicenter database with 2-year follow-up

scientific article

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

scientific article

Complications and intercenter variability of three-column osteotomies for spinal deformity surgery: a retrospective review of 423 patients

scientific article published on May 2014

Comprehensive study of back and leg pain improvements after adult spinal deformity surgery: analysis of 421 patients with 2-year follow-up and of the impact of the surgery on treatment satisfaction

scientific article published on 20 February 2015

Dedicated Spine Measurement Software Quantifies Key Spino-Pelvic Parameters More Reliably Than Traditional Picture Archiving and Communication Systems Tools

scientific article

Development of Validated Computer-based Preoperative Predictive Model for Proximal Junction Failure (PJF) or Clinically Significant PJK With 86% Accuracy Based on 510 ASD Patients With 2-year Follow-up

scientific article

Development of a Modified Cervical Deformity Frailty Index: A Streamlined Clinical Tool for Preoperative Risk Stratification

scientific article published on 01 February 2019

Development of a Novel Cervical Deformity Surgical Invasiveness Index

scientific article published on 01 January 2020

Development of a Preoperative Predictive Model for Reaching the Oswestry Disability Index Minimal Clinically Important Difference for Adult Spinal Deformity Patients

article

Development of a preoperative predictive model for major complications following adult spinal deformity surgery

scientific article

Development of a validated computer-based preoperative predictive model for pseudarthrosis with 91% accuracy in 336 adult spinal deformity patients

scientific article published on 01 November 2018

Early Patient-Reported Outcomes Predict 3-Year Outcomes in Operatively Treated Patients with Adult Spinal Deformity

scientific article

Evolution in Surgical Approach, Complications, and Outcomes in an Adult Spinal Deformity Surgery Multicenter Study Group Patient Population

scientific article published on 01 May 2019

How the neck affects the back: changes in regional cervical sagittal alignment correlate to HRQOL improvement in adult thoracolumbar deformity patients at 2-year follow-up

scientific article

Identifying Thoracic Compensation and Predicting Reciprocal Thoracic Kyphosis and PJK in Adult Spinal Deformity Surgery

article published in 2018

Impact of poor mental health in adult spinal deformity patients with poor physical function: a retrospective analysis with a 2-year follow-up

scientific article

Importance of patient-reported individualized goals when assessing outcomes for adult spinal deformity (ASD): initial experience with a Patient Generated Index (PGI).

scientific article

Incidence of perioperative medical complications and mortality among elderly patients undergoing surgery for spinal deformity: analysis of 3519 patients

scientific article

Indicators for Nonroutine Discharge Following Cervical Deformity-Corrective Surgery: Radiographic, Surgical, and Patient-Related Factors

scientific article published on 01 September 2019

Initial Experience With Real-Time Continuous Physical Activity Monitoring in Patients Undergoing Spine Surgery

scientific article

Intraoperative alignment goals for distinctive sagittal morphotypes of severe cervical deformity to achieve optimal improvements in health-related quality of life measures

scientific article published on 21 March 2020

Lumbosacral stress and age may contribute to increased pelvic incidence: an analysis of 1625 adults

scientific article

Magnitude of preoperative cervical lordotic compensation and C2-T3 angle are correlated to increased risk of postoperative sagittal spinal pelvic malalignment in adult thoracolumbar deformity patients at 2-year follow-up

scientific article

Magnitude, Location, and Factors Related to Regional and Global Sagittal Alignment Change in Long Adult Deformity Constructs: Report of 183 Patients With 2-Year Follow-up

scientific article

Novel Angular Measures of Cervical Deformity Account for Upper Cervical Compensation and Sagittal Alignment

scientific article

Novel Method Using Baseline Normalization and Area Under the Curve to Evaluate Differences in Outcome Between Treatment Groups and Application to Patients With Cervical Spondylotic Myelopathy Undergoing Anterior Versus Posterior Surgery

scientific article

Outcomes of Operative Treatment for Adult Cervical Deformity: A Prospective Multicenter Assessment With 1-Year Follow-up

scientific article

Outcomes of Operative and Nonoperative Treatment for Adult Spinal Deformity: A Prospective, Multicenter, Propensity-Matched Cohort Assessment With Minimum 2-Year Follow-up

scientific article

Patient Satisfaction After Adult Spinal Deformity Surgery Does Not Strongly Correlate With Health-Related Quality of Life Scores, Radiographic Parameters, or Occurrence of Complications.

scientific article

Patients with spinal deformity over the age of 75: a retrospective analysis of operative versus non-operative management

scientific article

Postoperative Recovery After Adult Spinal Deformity Surgery: Comparative Analysis of Age in 149 Patients During 2-year Follow-up

scientific article

Postoperative cervical deformity in 215 thoracolumbar patients with adult spinal deformity: prevalence, risk factors, and impact on patient-reported outcome and satisfaction at 2-year follow-up

scientific article

Potential of predictive computer models for preoperative patient selection to enhance overall quality-adjusted life years gained at 2-year follow-up: a simulation in 234 patients with adult spinal deformity.

scientific article published in December 2017

Predicting extended operative time and length of inpatient stay in cervical deformity corrective surgery

scientific article published on 08 August 2019

Predicting the Occurrence of Postoperative Distal Junctional Kyphosis in Cervical Deformity Patients

scientific article published on 01 January 2020

Prevalence and type of cervical deformity among 470 adults with thoracolumbar deformity

scientific article

Prolonged length of stay after posterior surgery for cervical spondylotic myelopathy in patients over 65years of age.

scientific article

Prospective Multicenter Assessment of All-Cause Mortality Following Surgery for Adult Cervical Deformity.

scientific article published on 17 January 2018

Prospective Multicenter Assessment of Early Complication Rates Associated With Adult Cervical Deformity Surgery in 78 Patients

scientific article

Prospective multicenter assessment of perioperative and minimum 2-year postoperative complication rates associated with adult spinal deformity surgery

scientific article

Prospective multicenter assessment of risk factors for rod fracture following surgery for adult spinal deformity

scientific article

Radiation Exposure in Posterior Lumbar Fusion: A Comparison of CT Image-Guided Navigation, Robotic Assistance, and Intraoperative Fluoroscopy

scientific article published on 27 February 2020

Radiological lumbar stenosis severity predicts worsening sagittal malalignment on full-body standing stereoradiographs.

scientific article published on 17 May 2017

Recovery Kinetics: Comparison of Patients undergoing Primary or Revision Procedures for Adult Cervical Deformity Using a Novel Area Under the Curve Methodology

article

Recovery following adult spinal deformity surgery: the effect of complications and reoperation in 149 patients with 2-year follow-up

scientific article

Relationship between body mass index and sagittal vertical axis change as well as health-related quality of life in 564 patients after deformity surgery

scientific article published on 09 August 2019

Reliability assessment of a novel cervical spine deformity classification system

scientific article

Revision Surgery After Three-Column Osteotomy in 335 Adult Spinal Deformity Patients: Inter-Center Variability and Risk Factors

scientific article

Rod Fracture After Apparently Solid Radiographic Fusion in Adult Spinal Deformity Patients

article

Scoring system to triage patients for spine surgery in the setting of limited resources: Application to the COVID-19 pandemic and beyond

scientific article published on 29 May 2020

Should Sagittal Spinal Alignment Targets for Adult Spinal Deformity Correction Depend on Pelvic Incidence and Age?

scientific article published on 01 February 2020

Surgical treatment of pathological loss of lumbar lordosis (flatback) in patients with normal sagittal vertical axis achieves similar clinical improvement as surgical treatment of elevated sagittal vertical axis: clinical article

scientific article

T1 Slope Minus Cervical Lordosis (TS-CL), the Cervical Answer to PI-LL, Defines Cervical Sagittal Deformity in Patients Undergoing Thoracolumbar Osteotomy

scientific article published on 01 June 2018

The Health Impact of Adult Cervical Deformity in Patients Presenting for Surgical Treatment: Comparison to United States Population Norms and Chronic Disease States Based on the EuroQuol-5 Dimensions Questionnaire

scientific article

The Importance of C2 Slope, a Singular Marker of Cervical Deformity, Correlates With Patient-reported Outcomes

scientific article published on 01 February 2020

The Influence of Surgical Intervention and Sagittal Alignment on Frailty in Adult Cervical Deformity

scientific article published on 08 November 2019

The Lumbar Pelvic Angle (LPA), the Lumbar Component of the T1 Pelvic Angle, Correlates with HRQOL, PI-LL Mismatch and it Predicts Global Alignment

scientific article

The impact of osteotomy grade and location on regional and global alignment following cervical deformity surgery

scientific article published on 01 July 2019

The morphology of cervical deformities: a two-step cluster analysis to identify cervical deformity patterns

scientific article published on 15 November 2019

The use of patient-reported preoperative activity levels as a stratification tool for short-term and long-term outcomes in patients with adult spinal deformity.

scientific article published on 6 April 2018

TheT1 pelvic angle, a novel radiographic measure of global sagittal deformity, accounts for both spinal inclination and pelvic tilt and correlates with health-related quality of life

scientific article

Thoracolumbar Realignment Surgery Results in Simultaneous Reciprocal Changes in Lower Extremities and Cervical Spine.

scientific article

Three-column osteotomy for correction of cervical and cervicothoracic deformities: alignment changes and early complications in a multicenter prospective series of 23 patients

scientific article

Upper-thoracic versus lower-thoracic upper instrumented vertebra in adult spinal deformity patients undergoing fusion to the pelvis: surgical decision-making and patient outcomes

scientific article published on 20 December 2019

Visualization of the Cervicothoracic Junction With EOS Imaging Is Superior to Conventional Lateral Cervical Radiographs

scientific article published on 07 July 2020

Which daily functions are most affected by stiffness following total lumbar fusion: comparison of upper thoracic and thoracolumbar proximal endpoints

scientific article

Younger Patients Are Differentially Affected by Stiffness-Related Disability Following Adult Spinal Deformity Surgery

scientific article published on 31 August 2019

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