Samantha R Horn

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Cluster analysis describes constellations of cardiac anomalies presenting in spinal anomaly patients

S. Vira, P. Passias, Dennis Vasquez-Montes, 2018, Acta Neurochirurgica.

Suboptimal Age-Adjusted Lumbo-Pelvic Mismatch Predicts Negative Cervical-Thoracic Compensation in Obese Patients

S. Vira, V. Lafage, P. Passias, 2019, International Journal of Spine Surgery.

Complication Risk in Primary and Revision Minimally Invasive Lumbar Interbody Fusion: A Comparable Alternative to Conventional Open Techniques?

R. Lafage, V. Lafage, P. Passias, 2019, Global spine journal.

Diminishing Clinical Returns of Multilevel Minimally Invasive Lumbar Interbody Fusion.

R. Lafage, V. Lafage, P. Passias, 2019, Spine.

Predicting the combined occurrence of poor clinical and radiographic outcomes following cervical deformity corrective surgery.

Justin K Scheer, Robert K. Eastlack, Alan H. Daniels, 2020, Journal of neurosurgery. Spine.

Primary Drivers of Adult Cervical Deformity: Prevalence, Variations in Presentation, and Effect of Surgical Treatment Strategies on Early Postoperative Alignment

Munish C. Gupta, V. Deviren, C. Ames, 2018, Neurosurgery.

The Relationship Between Improvements in Myelopathy and Sagittal Realignment in Cervical Deformity Surgery Outcomes

Alan H. Daniels, C. Ames, R. Lafage, 2018, Spine.

Epidemiology of liver metastases.

N. Gusani, L. Dawson, Nicholas G Zaorsky, 2020, Cancer epidemiology.

Epidemiology and national trends in prevalence and surgical management of metastatic spinal disease

S. Vira, P. Passias, Jared C. Tishelman, 2018, Journal of Clinical Neuroscience.

Patients Post-Operative Clinical Outcomes in Cervical Radiculopathy Arm Pain Versus Neck Pain: A Novel Ratio as a Predictor of

P. Passias, A. Vaccaro, Patrick C. Hsieh, 2018 .

Impact of presenting patient characteristics on surgical complications and morbidity in early onset scoliosis

J. Kelly, R. Lafage, S. Vira, 2019, Journal of Clinical Neuroscience.

Vertebral Osteomyelitis: A Comparison of Associated Outcomes in Early Versus Delayed Surgical Treatment

Carl B Paulino, P. Passias, C. Paulino, 2018, International Journal of Spine Surgery.

Outcomes in Early Versus Delayed Surgical Treatment Vertebral Osteomyelitis : A Comparison of Associated

Carl B Paulino, P. Passias, C. Paulino, 2018 .

Rates of Mortality in Lumbar Spine Surgery and Factors Associated With Its Occurrence Over a 10-Year Period: A Study of 803,949 Patients in the Nationwide Inpatient Sample

P. Passias, C. Jalai, G. Poorman, 2018, International Journal of Spine Surgery.

Suboptimal Age-Adjusted Lumbo-Pelvic Mismatch Predicts Negative Cervical-Thoracic Compensation in Obese Patients

S. Vira, V. Lafage, P. Passias, 2017, International Journal of Spine Surgery.

Clinical Impact and Economic Burden of Hospital-Acquired Conditions Following Common Surgical Procedures

R. Lafage, S. Vira, V. Lafage, 2018, Spine.

Full-Body Radiographic Analysis of Postoperative Deviations From Age-Adjusted Alignment Goals in Adult Spinal Deformity Correction and Related Compensatory Recruitment

S. McClelland, F. Schwab, R. Lafage, 2019, International Journal of Spine Surgery.

The Impact of Adult Thoracolumbar Spinal Deformities on Standing to Sitting Regional and Segmental Reciprocal Alignment

F. Schwab, R. Lafage, S. Vira, 2019, International Journal of Spine Surgery.

Incidence of Acute, Progressive, and Delayed Proximal Junctional Kyphosis Over an 8-Year Period in Adult Spinal Deformity Patients.

D. K. Hamilton, Munish C. Gupta, Alan H. Daniels, 2019, Operative neurosurgery.

Bariatric Surgery Lowers Rates of Spinal Symptoms and Spinal Surgery in a Morbidly Obese Population.

R. Lafage, V. Lafage, P. Passias, 2022, Clinical spine surgery.

Classifying Complications: Assessing Adult Spinal Deformity 2-Year Surgical Outcomes

D. K. Hamilton, Munish C. Gupta, C. Ames, 2020, Global spine journal.

Predictors of Hospital Length of Stay and 30-Day Readmission in Cervical Spondylotic Myelopathy Patients: An Analysis of 3057 Patients Using the ACS-NSQIP Database.

S. Vira, V. Lafage, P. Passias, 2017, World neurosurgery.

Grading of Complications After Cervical Deformity-corrective Surgery

D. K. Hamilton, M. Kelly, F. Schwab, 2019, Clinical spine surgery.

Probability of Severe Frailty Development among Operative and Non-Operative Adult Spinal Deformity Patients: An Actuarial Survivorship Analysis over a 3-year Period.

Robert K. Eastlack, D. K. Hamilton, Juan S. Uribe, 2020, The spine journal : official journal of the North American Spine Society.

C2 Fractures in the Elderly: Single-Center Evaluation of Risk Factors for Mortality

P. Passias, J. Baker, Cole Bortz, 2019, Asian spine journal.

Adverse Outcomes and Prediction of Cardiopulmonary Complications in Elective Spine Surgery

S. Vira, E. Delsole, V. Lafage, 2017, Global spine journal.

Incidence, trends, and associated risks of developmental hip dysplasia in patients with Early Onset and Adolescent Idiopathic Scoliosis.

R. Lafage, S. Vira, V. Lafage, 2018, Journal of orthopaedics.

Incidence of Congenital Spinal Abnormalities Among Pediatric Patients and Their Association With Scoliosis and Systemic Anomalies.

S. Vira, J. Oren, V. Lafage, 2017, Journal of pediatric orthopedics.

Full-Body Analysis of Adult Spinal Deformity Patients' Age-Adjusted Alignment at 1 Year.

S. Vira, V. Lafage, P. Passias, 2018, World neurosurgery.

Defining age-adjusted spinopelvic alignment thresholds: should we integrate BMI?

V. Lafage, P. Passias, K. Pierce, 2022, Spine Deformity.

The Influence of Body Mass Index on Achieving Age-Adjusted Alignment Goals in Adult Spinal Deformity Corrective Surgery with Full-Body Analysis at 1 Year.

R. Lafage, S. Vira, V. Lafage, 2018, World neurosurgery.

The Association between Frailty Status and Odontoid Fractures Following Traumatic Falls: Investigation of Varying Injury Mechanisms among 70 Elderly Odontoid Fracture Patients.

P. Passias, J. Baker, K. Pierce, 2019, Journal of orthopaedic trauma.

Cost-utility analysis of cervical deformity surgeries using 1-year outcome.

Munish C. Gupta, Amit Jain, C. Ames, 2018, The spine journal : official journal of the North American Spine Society.

The impact of mental health on patient-reported outcomes in cervical radiculopathy or myelopathy surgery

Robert K. Eastlack, V. Lafage, P. Passias, 2018, Journal of Clinical Neuroscience.

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

S. Vira, J. Oren, V. Lafage, 2017, The spine journal : official journal of the North American Spine Society.

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

Robert K. Eastlack, D. K. Hamilton, Alan H. Daniels, 2017, Neurosurgical focus.

Short-term Outcomes Following Cervical Laminoplasty and Decompression and Fusion with Instrumentation.

P. Passias, K. Pierce, Anthony J. Boniello, 2019, Spine.

Drivers of Cervical Deformity Have a Strong Influence on Achieving Optimal Radiographic and Clinical Outcomes at 1 Year After Cervical Deformity Surgery.

Robert K. Eastlack, D. K. Hamilton, Alan H. Daniels, 2017, World neurosurgery.

Predictive model for achieving good clinical and radiographic outcomes at one-year following surgical correction of adult cervical deformity

Justin K Scheer, Robert K. Eastlack, C. Ames, 2021, Journal of craniovertebral junction & spine.

Predicting the occurrence of complications following corrective cervical deformity surgery: Analysis of a prospective multicenter database using predictive analytics

D. K. Hamilton, C. Ames, V. Lafage, 2017, Journal of Clinical Neuroscience.

Psoas Morphology Differs between Supine and Sitting Magnetic Resonance Imaging Lumbar Spine: Implications for Lateral Lumbar Interbody Fusion

P. Passias, T. Errico, Jared C. Tishelman, 2018, Asian spine journal.

Declining usage of rhBMP-2 in lumbar fusions for adult spinal deformity since 2008

S. Vira, V. Lafage, P. Passias, 2018, Journal of Clinical Neuroscience.

Recovery Kinetics of Radiographic and Implant-Related Revision Patients Following Adult Spinal Deformity Surgery

Justin K Scheer, D. K. Hamilton, C. Ames, 2016, Neurosurgery.

Long‐term causes of death among pediatric patients with cancer

Nicholas G Zaorsky, Shouhao Zhou, E. Lehrer, 2020, Cancer.

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

Alan H. Daniels, M. Kelly, C. Ames, 2020, Neurosurgery.

Trends in the presentation, surgical treatment, and outcomes of tethered cord syndrome: A nationwide study from 2001 to 2010

P. Passias, C. Jalai, G. Poorman, 2017, Journal of Clinical Neuroscience.

Epidemiology of bone metastases.

Nicholas G Zaorsky, A. Louie, Hanbo Chen, 2020, Bone.

Hospital-acquired conditions occur more frequently in elective spine surgery than for other common elective surgical procedures

R. Lafage, S. Vira, V. Lafage, 2018, Journal of Clinical Neuroscience.

Comparative analysis of perioperative complications between a multicenter prospective cervical deformity database and the Nationwide Inpatient Sample database.

Justin K Scheer, D. K. Hamilton, C. Ames, 2017, The spine journal : official journal of the North American Spine Society.

Cervical Alignment Changes in Patients Developing Proximal Junctional Kyphosis Following Surgical Correction of Adult Spinal Deformity

Robert K. Eastlack, D. K. Hamilton, Munish C. Gupta, 2018, Neurosurgery.

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

Robert K. Eastlack, D. K. Hamilton, Alan H. Daniels, 2018, Journal of Clinical Neuroscience.

Risk-benefit assessment of major versus minor osteotomies for flexible and rigid cervical deformity correction

Justin K Scheer, Robert K. Eastlack, C. Ames, 2021, Journal of craniovertebral junction & spine.

Trends in Treatment of Scheuermann Kyphosis: A Study of 1,070 Cases From 2003 to 2012

F. Schwab, S. Vira, V. Lafage, 2019, Spine deformity.

Novel Index to Quantify the Risk of Surgery in the Setting of Adult Spinal Deformity: A Study on 10,912 Patients From the Nationwide Inpatient Sample

V. Lafage, P. Passias, Ashish Patel, 2017, Clinical spine surgery.

Improvement in some Ames-ISSG cervical deformity classification modifier grades may correlate with clinical improvement

C. Ames, F. Schwab, R. Lafage, 2021, Journal of Clinical Neuroscience.

Trends in Treatment of Scheuermann Kyphosis: A Study of 1,070 Cases From 2003 to 2012.

F. Schwab, S. Vira, V. Lafage, 2019 .

Fatty infiltration of the cervical extensor musculature, cervical sagittal balance, and clinical outcomes: An analysis of operative adult cervical deformity patients

D. K. Hamilton, C. Ames, F. Schwab, 2020, Journal of Clinical Neuroscience.

Decreased rates of 30-day perioperative complications following ASD-corrective surgery: A modified Clavien analysis of 3300 patients from 2010 to 2014

S. Vira, E. Delsole, V. Lafage, 2019, Journal of Clinical Neuroscience.

Predictors of adverse discharge disposition in adult spinal deformity and associated costs.

F. Schwab, V. Lafage, P. Passias, 2017, The spine journal : official journal of the North American Spine Society.

Durability of Satisfactory Functional Outcomes Following Surgical Adult Spinal Deformity Correction: A 3-Year Survivorship Analysis.

Robert K. Eastlack, Munish C. Gupta, C. Ames, 2018, Operative neurosurgery.

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

Robert K. Eastlack, D. K. Hamilton, C. Ames, 2019, Spine.

Alcoholism as a predictor for pseudarthrosis in primary spine fusion: An analysis of risk factors and 30-day outcomes for 52,402 patients from 2005 to 2013.

F. Schwab, R. Lafage, S. Vira, 2019, Journal of orthopaedics.

Klippel–Feil: A constellation of diagnoses, a contemporary presentation, and recent national trends

P. Passias, Jared C. Tishelman, Dennis Vasquez-Montes, 2019, Journal of craniovertebral junction & spine.

Recovery kinetics following spinal deformity correction: a comparison of isolated cervical, thoracolumbar, and combined deformity morphometries.

Justin K Scheer, D. K. Hamilton, Munish C. Gupta, 2019, The spine journal : official journal of the North American Spine Society.

Adolescent and Adult Spinal Deformity: Operative Management

P. Passias, Cole Bortz, Samantha R Horn, 2021, Evidence‐Based Orthopedics.

Differences in primary and revision deformity surgeries: following 1,063 primary thoracolumbar adult spinal deformity fusions over time.

P. Passias, J. Auerbach, J. Paul, 2018, Journal of spine surgery.

ODI Cannot Account for All Variation in PROMIS Scores in Patients With Thoracolumbar Disorders

R. Lafage, V. Lafage, P. Passias, 2019, Global spine journal.

Predictive model for distal junctional kyphosis after cervical deformity surgery.

C. Ames, F. Schwab, R. Lafage, 2017, The spine journal : official journal of the North American Spine Society.

Pre-operative planning and rod customization may optimize post-operative alignment and mitigate development of malalignment in multi-segment posterior cervical decompression and fusion patients

V. Lafage, P. Passias, B. Diebo, 2019, Journal of Clinical Neuroscience.

A novel index for quantifying the risk of early complications for patients undergoing cervical spine surgeries.

V. Lafage, P. Passias, Anant Dixit, 2017, Journal of neurosurgery. Spine.

Pelvic Incidence Affects Age-adjusted Alignment Outcomes in a Population of Adult Spinal Deformity.

R. Lafage, V. Lafage, P. Passias, 2020, Clinical spine surgery.

Development of a Novel Cervical Deformity Surgical Invasiveness Index.

Robert K. Eastlack, C. Ames, F. Schwab, 2020, Spine.

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

Alan H. Daniels, C. Ames, F. Schwab, 2019, Journal of craniovertebral junction & spine.

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

Justin K Scheer, Robert K. Eastlack, C. Ames, 2018, Neurosurgery.

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

Alan H. Daniels, M. Kelly, V. Deviren, 2019, Journal of Clinical Neuroscience.

Cervical Deformity Correction Fails to Achieve Age-Adjusted Spinopelvic Alignment Targets

R. Lafage, V. Lafage, P. Passias, 2022, International Journal of Spine Surgery.

Evaluating cervical deformity corrective surgery outcomes at 1-year using current patient-derived and functional measures: are they adequate?

C. Ames, R. Lafage, V. Lafage, 2018, Journal of spine surgery.

Development of New-Onset Cervical Deformity in Nonoperative Adult Spinal Deformity Patients With 2-Year Follow-Up

Justin K Scheer, D. K. Hamilton, C. Ames, 2018, International Journal of Spine Surgery.

Trends in Nonoperative Treatment Modalities Prior to Cervical Surgery and Impact on Patient-Derived Outcomes: Two-Year Analysis of 1522 Patients From the Prospective Spine Treatment Outcome Study

P. Passias, A. Vaccaro, P. Arnold, 2018, International Journal of Spine Surgery.

Spine Treatment Outcome Study Two-Year Analysis of 1522 Patients From the Prospective Cervical Surgery and Impact on Patient-Derived Outcomes: Trends in Nonoperative Treatment Modalities Prior to

P. Passias, A. Vaccaro, P. Arnold, 2018 .

The Impact of Comorbid Mental Health Disorders on Complications Following Adult Spinal Deformity Surgery With Minimum 2-Year Surveillance

P. Passias, Qais Naziri, C. Paulino, 2018, Spine.

Cervical Versus Thoracolumbar Spinal Deformities: A Comparison of Baseline Quality-of-Life Burden

Alan H. Daniels, C. Ames, F. Schwab, 2018, Clinical spine surgery.

Treatment of atlantoaxial dislocations among patients with cervical osseous or vascular abnormalities utilizing hybrid techniques.

P. Passias, B. Diebo, Samantha R Horn, 2018, Journal of neurosurgery. Spine.

Traumatic Fractures of the Cervical Spine: Analysis of Changes in Incidence, Cause, Concurrent Injuries, and Complications Among 488,262 Patients from 2005 to 2013.

S. Vira, V. Lafage, P. Passias, 2017, World neurosurgery.

Effect of age-adjusted alignment goals and distal inclination angle on the fate of distal junctional kyphosis in cervical deformity surgery

Alan H. Daniels, C. Ames, F. Schwab, 2021, Journal of craniovertebral junction & spine.

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

M. Kelly, C. Ames, F. Schwab, 2019, Operative neurosurgery.

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

M. Kelly, C. Ames, F. Schwab, 2019, Neurosurgery.

Limited morbidity and possible radiographic benefit of C2 vs. subaxial cervical upper-most instrumented vertebrae.

Robert K. Eastlack, C. Ames, F. Schwab, 2019, Journal of spine surgery.

Cost-utility of revisions for cervical deformity correction warrants minimization of reoperations.

Alan H. Daniels, C. Ames, F. Schwab, 2018, Journal of spine surgery.

Predictors of Hospital-Acquired Conditions Are Predominately Similar for Spine Surgery and Other Common Elective Surgical Procedures, With Some Key Exceptions

R. Lafage, S. Vira, V. Lafage, 2019, Global spine journal.

Rates of Mortality in Cervical Spine Surgical Procedures and Factors Associated With Its Occurrence Over a 10-Year Period: A Study of 342 477 Patients on the Nationwide Inpatient Sample

P. Passias, C. Jalai, G. Poorman, 2018, International Journal of Spine Surgery.

Congenital Etiology Is an Independent Risk Factor for Complications in Adolescents Undergoing Corrective Scoliosis Surgery: Comparison of In-hospital Comorbidities Using Nationwide KID's Inpatient Database.

S. Vira, V. Lafage, P. Passias, 2017, Journal of pediatric orthopedics.

Congenital Etiology is an Independent Risk Factor for Complications in Adolescents Undergoing Corrective Scoliosis Surgery: Comparison of In-hospital Comorbidities Using Nationwide KID's Inpatient Database.

S. Vira, V. Lafage, P. Passias, 2017, Journal of pediatric orthopedics.

National Trends in the Prevalence, Treatment, and Associated Spinal Diagnoses Among Pediatric Spondylolysis Patients.

S. Vira, P. Passias, B. Diebo, 2018, Bulletin of the Hospital for Joint Disease.

Cervical spondylotic myelopathy: National trends in the treatment and peri-operative outcomes over 10years

V. Lafage, P. Passias, J. Bendo, 2017, Journal of Clinical Neuroscience.

Arm Pain Versus Neck Pain: A Novel Ratio as a Predictor of Post-Operative Clinical Outcomes in Cervical Radiculopathy Patients

P. Passias, A. Vaccaro, P. Arnold, 2018, International Journal of Spine Surgery.

Developments in the treatment of Chiari type 1 malformations over the past decade.

S. Vira, P. Passias, Dennis Vasquez-Montes, 2018, Journal of spine surgery.

The Epidemiology of Lung Metastases

Nicholas G Zaorsky, A. Louie, S. Siva, 2021, Frontiers in Medicine.

Wednesday, September 26, 2018 10:35 AM – 12:00 PM Cervical Spine Trauma

R. Lafage, S. Vira, V. Lafage, 2018, The Spine Journal.

Long-Term Risk of Death From Heart Disease Among Breast Cancer Patients

Nicholas G Zaorsky, A. Louie, E. Lehrer, 2022, Frontiers in Cardiovascular Medicine.

Patient Profiling Can Identify Spondylolisthesis Patients at Risk for Conversion from Nonoperative to Operative Treatment

J. Lurie, V. Lafage, P. Passias, 2018, JB & JS open access.

Epidemiology of synchronous brain metastases

P. Brown, Nicholas G Zaorsky, A. Louie, 2020, Neuro-oncology advances.

Traumatic Fracture of the Pediatric Cervical Spine: Etiology, Epidemiology, Concurrent Injuries, and an Analysis of Perioperative Outcomes Using the Kids' Inpatient Database

S. Vira, P. Passias, Jared C. Tishelman, 2019, International Journal of Spine Surgery.

Effect of Obesity on Radiographic Alignment and Short-Term Complications After Surgical Treatment of Adult Cervical Deformity.

Robert K. Eastlack, Alan H. Daniels, C. Ames, 2019, World Neurosurgery.

Music: A holistic approach to symptom management for patients undergoing cancer treatment

Elizabeth Aquino, K. Amer, Samantha R Horn, 2022, Journal of Nursing Education and Practice.

Bundled payments in spine surgery

P. Passias, J. Bendo, Cole Bortz, 2019, Seminars in Spine Surgery.

Chiari malformation clusters describe differing presence of concurrent anomalies based on Chiari type

P. Passias, C. R. Goodwin, Dennis Vasquez-Montes, 2018, Journal of Clinical Neuroscience.

Bariatric Surgery Population at Significantly Increased Risk of Spinal Disorders and Surgical Intervention Compared With Morbidly Obese Patients

R. Lafage, S. Vira, V. Lafage, 2020, Clinical spine surgery.

Prior bariatric surgery lowers complication rates following spine surgery in obese patients

R. Lafage, S. Vira, V. Lafage, 2018, Acta Neurochirurgica.

Baseline mental status predicts happy patients after operative or non-operative treatment of adult spinal deformity.

F. Schwab, R. Lafage, V. Lafage, 2018, Journal of spine surgery.

Fatty Infiltration of Cervical Spine Extensor Musculature: Is there a Relationship With Cervical Sagittal Balance?

R. Lafage, V. Lafage, P. Passias, 2018, Clinical spine surgery.

Two-Year Results of the Prospective Spine Treatment Outcomes Study: Analysis of Postoperative Clinical Outcomes Between Patients with and without a History of Previous Cervical Spine Surgery.

S. Vira, P. Passias, A. Vaccaro, 2018, World neurosurgery.

Tethered Cord Syndrome in the United States Cluster Analysis of Presenting Anomalies and Associated.

R. Lafage, S. Vira, V. Lafage, 2020, Bulletin of the Hospital for Joint Diseases.

Sitting-Standing Lumbopelvic Mechanics Are Altered by Spinal Degeneration and Fusion

J. Vigdorchik, T. Errico, Jared C. Tishelman, 2017 .

Predictive model for distal junctional kyphosis after cervical deformity surgery.

C. Ames, F. Schwab, R. Lafage, 2017, The spine journal : official journal of the North American Spine Society.