Publications by authors named "Fthimnir Hassan"

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Establishing a Threshold of Impairment to Define Preoperative Coronal Malalignment in Adult Spinal Deformity Patients.
Scott L Zuckerman, Fthimnir M Hassan, Christopher S Lai, Yong Shen, Mena Kerolus

Clin Spine Surg· December 2025

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Exploring the indications, failures, and treatment of complications after a C2 to pelvis fusion.
Nathan J Lee, Fthimnir M Hassan, Ted Shi, Anastasia Ferraro, Matthew Cooney

Spine Deform· November 2025

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Perioperative outcomes in adolescent versus young adult patients with idiopathic scoliosis: how different are they?
Alexandra C Dionne, Lawrence G Lenke, Fthimnir M Hassan, Justin L Reyes, Chidebelum Nnake

J Neurosurg Spine· October 2025

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The role of posterior column osteotomies versus lumbar decompressions in improving lower extremity motor strength in adult spinal deformity patients with preoperative motor impairment.
Fthimnir M Hassan, Lawrence G Lenke, Erik Lewerenz, Peter G Passias, Eric O Klineberg

J Neurosurg Spine· October 2025

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Novel Unipolar Shilla Technique for Complex EOS Provides Lasting Correction and Controlled Growth.
Omar Taha, Matthew Weintraub, Thomas M Zervos, Edwin S Kulubya, Ritt Givens, Fthimnir M Hassan

J Pediatr Orthop· October 2025

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Higher intraoperative blood loss is associated with increased risk of intraoperative neuromonitoring data loss for the type 3 spinal cord shape during spinal deformity surgery.
Chun Wai Hung, Fthimnir M Hassan, Nathan J Lee, Steven G Roth, Justin K Scheer

Spine Deform· September 2025

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Normative Thoracic, Lumbar, Pelvic, and Global Sagittal Alignment Parameters for Asymptomatic Adults: A Systematic Review and Meta-Analysis of >35,900 Volunteers.
Alexandra C Dionne, Prakash Gorroochurn, Roy Miller, Prerana Katiyar, Samuel Bennion, Fthimnir M Hassan

Spine (Phila Pa 1976)· September 2025

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Intraoperative cell salvage utilization for blood conservation during pediatric and adult spinal surgery: a state-of-the-art systematic review.
Grant Feuer, Prerana Katiyar, Justin L Reyes, Caroline Taber, Josephine R Coury, Fthimnir M Hassan

Spine Deform· September 2025

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Surgery for Scheuermann's Kyphosis Normalizes Lumbar Lordosis but not Cervical Alignment when Compared to Asymptomatic Individuals: A Pelvic-matched Comparative Study.
Riley Sevensky, Zeeshan M Sardar, Fthimnir M Hassan, Justin L Reyes, Oluwademilade Tega

Spine (Phila Pa 1976)· September 2025

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Adult spinal deformity patients with spinal cord stimulators and intrathecal drug delivery devices do not have greater chronic opioid use after surgery.
Alexandra C Dionne, Kurt Holuba, Riley Sevensky, Justin L Reyes, Roy Miller, Fthimnir M Hassan

J Craniovertebr Junction Spine· September 2025

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Older adult idiopathic scoliosis patients have greater improvement in self-image compared to younger adult and adolescent idiopathic scoliosis patients following posterior spinal fusion.
Taylor J Jackson, Fthimnir M Hassan, Matthew Weintraub, Omar Taha, Mehdi Elfilali

Spine Deform· August 2025

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Early reoperations do not adversely affect long-term pain and activity scores in adult deformity patients.
Erik Lewerenz, Sarthak Mohanty, Fthimnir M Hassan, Nathan J Lee, Justin K Scheer

Spine Deform· July 2025

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Preoperative Surgical Planning and Intraoperative Considerations for the Treatment of Adult Spinal Deformity Surgery.
Joseph M Lombardi, Fthimnir M Hassan, Joseph A Osorio, Lawrence G Lenke

Global Spine J· July 2025

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The Relationship of CT Hounsfield Units at UIV+1 and UIV+2 Relative to UIV Predicts Proximal Junctional Kyphosis in Patients with Long Spinal Constructs.
Josephine R Coury, Justin L Reyes, Fthimnir M Hassan, Natalia Czerwonka, Gabriela Greisberg

Spine (Phila Pa 1976)· June 2025

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Comparing Three and Four-Rod Constructs in Adult Spinal Deformity Patients With Long Fusions to the Pelvis: Is There a Difference in Rod Fractures and Revision Rates at Minimum 2-Year Follow-up?
Fthimnir M Hassan, Sarthak Mohanty, Erik Lewerenz, Christopher Mikhail, Stephen R Stephan

Clin Spine Surg· June 2025

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Vitality of global alignment following adult spinal deformity surgery to long-term improvement of patient-reported outcomes regardless of regional alignment.
Christopher Mikhail, Sarthak Mohanty, Fthimnir M Hassan, Christopher S Lai, Stephen R Stephan

J Neurosurg Spine· May 2025

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Estimating the prevalence of preoperative iron deficiency and its impact on red blood cell transfusion in adolescents undergoing scoliosis surgery: A pilot study.
Annie Qiu, Daysha Fliginger, Yona Feit, Fthimnir Hassan, Lawrence G Lenke

Transfusion· May 2025

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Foot Drop in Orthopaedic Surgery: Anatomy, Etiology, Differential Diagnosis, and Treatment.
Katherine Dong, Justin L Reyes, Michael A Mastroianni, Josephine R Coury, Riley Sevensky, Fthimnir M Hassan

JBJS Rev· May 2025

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Maintaining stability at the lumbosacral-pelvic region in adult spinal deformity surgery without sacroiliac joint fusion: are 4 pelvic screws superior to 2 pelvic screws?
Sarthak Mohanty, Stephen R Stephan, Christopher Mikhail, Andrew Platt, Joshua Bakhsheshian, Fthimnir M Hassan

J Neurosurg Spine· March 2025

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Adolescent vs. Young Adult Idiopathic Scoliosis patients: how different are their two year postoperative radiographic and clinical outcomes?
Alexandra C Dionne, Lawrence G Lenke, Fthimnir M Hassan, Chidebelum Nnake, Simon Blanchard

Eur Spine J· February 2025

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Does an improvement in cord-level intraoperative neuromonitoring data lead to a reduced risk for postoperative neurologic deficit in spine deformity surgery?
Nathan J Lee, Lawrence G Lenke, Mitchell Yeary, Alexandra Dionne, Chidebelum Nnake, Fthimnir M Hassan

Spine Deform· January 2025

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Use of the kickstand rod improves coronal alignment and maintains correction compared to control at 2 year follow-up.
Fthimnir M Hassan, Anson Bautista, Justin L Reyes, Varun Puvanesarajah, Josephine R Coury

Spine Deform· January 2025

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Cranial sagittal vertical axis to the hip as the best sagittal alignment predictor of patient-reported outcomes at 2 years postoperatively in adult spinal deformity surgery.
Christopher S Lai, Sarthak Mohanty, Fthimnir M Hassan, Caroline E Taber, Jaques L Williams

J Neurosurg Spine· December 2024

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A Novel Preoperative Scoring System to Accurately Predict Cord-Level Intraoperative Neuromonitoring Data Loss During Spinal Deformity Surgery: A Machine-Learning Approach.
Nathan J Lee, Lawrence G Lenke, Varun Arvind, Ted Shi, Alexandra C Dionne, Fthimnir M Hassan

J Bone Joint Surg Am· November 2024

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Revision of Surgery for Adolescent Idiopathic Scoliosis: Reasons, Treatments, and Clinical Management with Case Examples.
Lawrence G Lenke, Veronica Lee, Fthimnir M Hassan

J Clin Med· April 2024

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