Publications by authors named "Nicholas A Kummer"

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Cost Benefit of Implementation of Risk Stratification Models for Adult Spinal Deformity Surgery.
Peter G Passias, Tyler K Williamson, Nicholas A Kummer, Ferran Pellisé, Virginie Lafage

Global Spine J· March 2025

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Factors Influencing Maintenance of Alignment and Functional Improvement Following Adult Spinal Deformity Surgery: A 3-Year Outcome Analysis.
Peter G Passias, Lara Passfall, Kevin Moattari, Oscar Krol, Nicholas A Kummer

Spine (Phila Pa 1976)· January 2024

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External Validation of the National Surgical Quality Improvement Program Calculator Utilizing a Single Institutional Experience for Adult Spinal Deformity Corrective Surgery.
Sara Naessig, Katherine Pierce, Waleed Ahmad, Lara Passfall, Oscar Krol, Nicholas A Kummer

Int J Spine Surg· April 2023

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Trends in Outcomes of a Prospective Consecutively Enrolled Single-Center Adult Cervical Deformity Series.
Peter G Passias, Lara Passfall, Bailey Imbo, Tyler Williamson, Rachel Joujon-Roche, Nicholas A Kummer

Spine (Phila Pa 1976)· December 2022

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The Additional Economic Burden of Frailty in Adult Cervical Deformity Patients Undergoing Surgical Intervention.
Peter G Passias, Nicholas A Kummer, Tyler K Williamson, Waleed Ahmad, Jordan Lebovic

Spine (Phila Pa 1976)· October 2022

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CD4+ T-Cell Epitope Prediction by Combined Analysis of Antigen Conformational Flexibility and Peptide-MHCII Binding Affinity.
Tysheena Charles, Daniel L Moss, Pawan Bhat, Peyton W Moore, Nicholas A Kummer

Biochemistry· August 2022

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The Clinical Impact of Failing to Achieve Ideal Proportional Realignment in Adult Spinal Deformity Patients.
Peter G Passias, Lara Passfall, Tyler K Williamson, Andrew J Schoenfeld, Stephane Owusu-Sarpong, Nicholas A Kummer

Spine (Phila Pa 1976)· July 2022

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Health-related quality of life measures in adult spinal deformity: can we replace the SRS-22 with PROMIS?
Peter G Passias, Katherine E Pierce, Oscar Krol, Tyler Williamson, Sara Naessig, Nicholas A Kummer

Eur Spine J· May 2022

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Comparing and Contrasting the Clinical Utility of Sagittal Spine Alignment Classification Frameworks: Roussouly Versus SRS-Schwab.
Peter G Passias, Cole Bortz, Katherine E Pierce, Lara Passfall, Nicholas A Kummer

Spine (Phila Pa 1976)· March 2022

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Establishing the minimal clinically important difference for the PROMIS Physical domains in cervical deformity patients.
Peter G Passias, Katherine E Pierce, Tyler Williamson, Sara Naessig, Waleed Ahmad, Nicholas A Kummer

J Clin Neurosci· February 2022

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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.
Peter G Passias, Cole Bortz, Katherine E Pierce, Nicholas A Kummer, Renaud Lafage

Spine (Phila Pa 1976)· November 2021

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Not Frail and Elderly: How Invasive Can We Go in This Different Type of Adult Spinal Deformity Patient?
Peter G Passias, Katherine E Pierce, Lara Passfall, Ammar Adenwalla, Sara Naessig, Nicholas A Kummer

Spine (Phila Pa 1976)· November 2021

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Frequency and Implications of Concurrent Complications Following Adult Spinal Deformity Corrective Surgery.
Cole Bortz, Katherine E Pierce, Avery Brown, Haddy Alas, Lara Passfall, Nicholas A Kummer

Spine (Phila Pa 1976)· November 2021

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Does Matching Roussouly Spinal Shape and Improvement in SRS-Schwab Modifier Contribute to Improved Patient-reported Outcomes?
Peter G Passias, Katherine E Pierce, Tina Raman, Cole Bortz, Haddy Alas, Nicholas A Kummer

Spine (Phila Pa 1976)· September 2021

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