Publications by authors named "John Knightly"

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In Reply: Are There Differences in 2-Year Outcomes Between 2-Level Anterior Cervical Diskectomy and Fusion Versus Single-Level Anterior Cervical Corpectomy and Fusion to Treat Cervical Myelopathy? A Quality Outcomes Database Study.
Connor Berlin, Sufyan Ibrahim, Praveen V Mummaneni, Andrew K Chan, Dean Chou, John J Knightly

Neurosurgery· December 2025

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Are There Differences in 2-Year Outcomes Between Two-Level Anterior Cervical Diskectomy and Fusion Versus Single-Level Anterior Cervical Corpectomy and Fusion to Treat Cervical Myelopathy? A Quality Outcomes Database Study.
Connor Berlin, Sufyan Ibrahim, Praveen V Mummaneni, Andrew K Chan, Dean Chou, John J Knightly

Neurosurgery· November 2025

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Does back pain catastrophizing influence 60-month surgical outcomes for patients with degenerative lumbar spondylolisthesis? A Quality Outcomes Database study.
Eunice Yang, Elan Schonfeld, Deborah Boyett, Praveen V Mummaneni, Dean Chou, John J Knightly

J Neurosurg Spine· November 2025

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Five-year follow-up after minimally invasive transforaminal lumbar interbody fusion versus decompression alone for grade 1 spondylolisthesis: are there any differences in outcomes?
Andrew K Chan, Vardhaan S Ambati, Pavan Upadhyayula, Dean Chou, Mohamad Bydon, John J Knightly

J Neurosurg Spine· November 2025

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Impact of discharge to subacute rehabilitation or home with health services on prolonged length of stay and increased inpatient expense following elective surgery for cervical spondylotic myelopathy: a propensity score-matched Quality Outcomes Database study.
Harrison J Howell, Farhan A Khan, Praveen V Mummaneni, Nathan A Shlobin, Dean Chou, John J Knightly

J Neurosurg Spine· November 2025

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Factors associated with long-term deterioration in back pain after surgical treatment for low-grade lumbar spondylolisthesis at 2 and 5 years: an evaluation from the Quality Outcomes Database spondylolisthesis data.
Andrew J Croft, Steven D Glassman, Shawn W Adams, Mladen Djurasovic, Andrew K Chan, John J Knightly

J Neurosurg Spine· October 2025

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A comparative study on the effect of age on Neck Disability Index improvement at 24 months after surgical intervention for cervical spondylotic myelopathy: a Quality Outcomes Database study.
Ken Porche, Brandon A Sherrod, Spencer Rosero, Andrew K Chan, Christopher I Shaffrey, John J Knightly

J Neurosurg Spine· August 2025

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Gain of care independence following surgical intervention for cervical spondylotic myelopathy: a Quality Outcomes Database study.
Nitin Agarwal, Erica F Bisson, Mohamad Bydon, Anthony L Asher, Andrew K Chan, John J Knightly

J Neurosurg Spine· August 2025

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Defining cervical spondylotic myelopathy surgical endotypes using comorbidity clustering: a Quality Outcomes Database cervical spondylotic myelopathy study.
Eunice Yang, Harrison Howell, Praveen V Mummaneni, Dean Chou, Mohamad Bydon, John J Knightly

Neurosurg Focus· July 2025

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Predictors of Delayed Clinical Benefit Following Surgical Treatment for Low-grade Spondylolisthesis.
Mladen Djurasovic, Leah Y Carreon, Erica F Bisson, Andrew K Chan, Mohamad Bydon, John J Knightly

Spine (Phila Pa 1976)· June 2025

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Impact of the day of the week on clinical outcomes following anterior cervical discectomy and fusion surgery.
Stephen M Bergin, Joshua Woo, Sarah E Johnson, Connor Barrett, Giorgos Michalopoulos, John J Knightly

J Neurosurg Spine· June 2025

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Impact of Cervical and Lumbar Spine Surgeries on National Football League (NFL) Player Performance and Return-to-Play Outcomes.
Geoffrey R O'Malley, Patrick Pema, Paxton Sweeney, Syed Sarwar, Nicholas Cassimatis, John J Knightly

Cureus· June 2025

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Does smoking status affect baseline symptom severity and patient-reported outcomes and satisfaction in patients with cervical myelopathy at 24 months? A Quality Outcomes Database study.
Christine Park, Deb Bhowmick, Christopher I Shaffrey, Raj Swaroop Lavadi, Sarah E Johnson, John J Knightly

J Neurosurg Spine· May 2025

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Urinary control in cervical myelopathy: does it improve postsurgery? A Quality Outcomes Database study.
Saman Shabani, Raj Swaroop Lavadi, Nitin Agarwal, Vijay Letchuman, Vivian P Le, John J Knightly

J Neurosurg Spine· May 2025

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Do Patients With High ASA Grades Benefit From CSM Surgery?: A Report From the Quality Outcomes Database.
Vardhaan S Ambati, Arati Patel, Abraham Dada, Mohamed Macki, Andrew K Chan, John Knightly

Clin Spine Surg· May 2025

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Patient-reported outcome trajectories the first 24 months after surgery for cervical spondylotic myelopathy: a Quality Outcomes Database study.
Daniel Zeitouni, Sarah E Johnson, Sufyan Ibrahim, Erica F Bisson, Praveen V Mummaneni, John J Knightly

J Neurosurg Spine· April 2025

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Incidence of revision surgery and patient-reported outcomes within 5 years of the index procedure for grade 1 spondylolisthesis: an analysis from the Quality Outcomes Database spondylolisthesis data.
Jacob Birlingmair, Leah Y Carreon, Mladen Djurasovic, Praveen V Mummaneni, Anthony Asher, John J Knightly

J Neurosurg Spine· January 2025

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Comparative analysis of patient-reported outcomes in myelopathy and myeloradiculopathy: a Quality Outcomes Database study.
Ken Porche, Erica F Bisson, Brandon Sherrod, Alexander Dru, Andrew K Chan, John J Knightly

J Neurosurg Spine· December 2024

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The exponential growth of nonsurgeons performing fusions for low-back pain.
Abraham Dada, Cecilia Dalle Ore, Praveen V Mummaneni, Arati Patel, Vardhaan Ambati, John J Knightly

J Neurosurg Spine· December 2024

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Predictors of patient satisfaction in the surgical treatment of cervical spondylotic myelopathy.
Alexander J Schupper, Joseph DiDomenico, S Harrison Farber, Sarah E Johnson, Erica F Bisson, John J Knightly

J Neurosurg Spine· November 2024

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Cost-effectiveness of posterior lumbar interbody fusion and/or transforaminal lumbar interbody fusion for grade 1 lumbar spondylolisthesis: a 5-year Quality Outcomes Database study.
Timothy J Yee, Campbell Liles, Sarah E Johnson, Vardhaan S Ambati, Anthony M DiGiorgio, John J Knightly

J Neurosurg Spine· November 2024

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Predictors of patient satisfaction after surgery for grade 1 degenerative spondylolisthesis: a 5-year analysis of the Quality Outcomes Database.
Alexander Dru, Sarah E Johnson, Joseph R Linzey, Kevin T Foley, Anthony Digiorgio, John J Knightly

J Neurosurg Spine· November 2024

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Does comorbid depression and anxiety portend poor long-term outcomes following surgery for lumbar spondylolisthesis? Five-year analysis of the Quality Outcomes Database.
Joseph DiDomenico, S Harrison Farber, Michael S Virk, Jakub Godzik, Sarah E Johnson, John J Knightly

J Neurosurg Spine· November 2024

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Do class III obese patients achieve similar outcomes and satisfaction to nonobese patients following surgery for cervical myelopathy? A QOD study.
Christine Park, Deb A Bhowmick, Christopher I Shaffrey, Erica F Bisson, Mohamad Bydon, John J Knightly

J Neurosurg Spine· November 2024

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Impact of educational background on preoperative disease severity and postoperative outcomes among patients with lumbar spondylolisthesis: a Quality Outcomes Database study.
Nitin Agarwal, Andrew K Chan, Erica F Bisson, Steven D Glassman, Kevin T Foley, John J Knightly

J Neurosurg Spine· September 2024

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