RICHARD A. HOSTIN, MD

Curriculum Vitae

Richard A Hostin MD

Pediatric and Adult Spine Surgeon

• Physician and Owner, Southwest Scoliosis and Spine Institute
• Medical Director of Pediatric Spine and Scoliosis, Medical City Children’s Hospital
• Medical Director of the Medical City Scoliosis & Advanced Spine Center

Education

• University of Oklahoma Health Science Center
• Doctor of Medicine
• Alpha Omega Alpha
• Excellence in Research Award
• Honors Research Scholar

• University of California at Berkley
• Bachelor’s Degree – Psychology

Post-Graduate Training

• Twin Cities Spine Center
• Fellowship – Pediatric & Adult Spine Surgery

• University of California Davis at Berkley
• Chief Residency

• University of California Davis at Berkley
• Residency

• University of California Davis at Berkley
• Internship

Licensures / Board Certifications

• Texas Medical Board State License
• California Medical Board State License
• American Board of Orthopedic Surgeons
• Oklahoma State Board of Medical Licensure and Supervision
• Louisiana State Board of Medical Examiners

Society Memberships

• American Academy of Orthopedics Surgeons
• Alpha Omega Alpha
• North American Spine Society
• Texas Spine Society
• HARMS / ISSG Active Fellow
• Scoliosis Research Society
• Texas Orthopaedic Association
• International Spine Study Group (ISSG)
• American Medical Association
• Collin-Fannin County Medical Society

Research

2018                     T1 Slope Minus Cervical Lordosis (TS-CL), the Cervical Answer to PI-LL, Defines Cervical Sagittal Deformity in Patients Undergoing Thoracolumbar Osteotomy. Protopsaltis T, Terran J, Soroceanu A, Moses MJ, Bronsard N, Smith J, Klineberg E, Mundis G, Kim HJ, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage V; INTERNATIONAL SPINE STUDY GROUP. Int J Spine Surg. 2018 Aug 15;12(3):362-370.

2018                     Operative Management of Adult Spinal Deformity Results in Significant Increases in QALYs Gained Compared to Nonoperative Management: Analysis of 479 Patients With Minimum 2-Year Follow-Up. Scheer JK, Hostin R, Robinson C, Schwab F, Lafage V, Burton DC, Hart RA, Kelly MP, Keefe M, Polly D, Bess S, Shaffrey CI, Smith JS, Ames CP; International Spine Study Group. Spine (Phila Pa 1976). 2018 Mar 1;43(5):339-347.

2018                     Development of a Preoperative Predictive Model for Reaching the Oswestry Disability Index Minimal Clinically Important Difference for Adult Spinal Deformity Patients. Scheer JK, Osorio JA, Smith JS, Schwab F, Hart RA, Hostin R, Lafage V, Jain A, Burton DC, Bess S, Ailon T, Protopsaltis TS, Klineberg EO, Shaffrey CI, Ames CP; International Spine Study Group. Spine Deform. 2018 Sep – Oct;6(5):593-599.

2018                     Improvement in Back and Leg Pain and Disability Following Adult Spinal Deformity Surgery: Study of 324 Patients With 2-year Follow-up and the Impact of Surgery on Patient-reported Outcomes. Verma R, Lafage R, Scheer J, Smith J, Passias P, Hostin R, Ames C, Mundis G, Burton D, Kim HJ, Bess S, Kleinberg E, Schwab F, Lafage V; and the International Spine Study Group. Spine (Phila Pa 1976). 2018 Jul 31.

2018                     Development of a Modified Cervical Deformity Frailty Index: A Streamlined Clinical Tool for Preoperative Risk Stratification. Passias PG, Bortz CA, Segreto FA, Horn SR, Lafage R, Lafage V, Smith JS, Line B, Kim HJ, Eastlack R, Hamilton DK, Protopsaltis T, Hostin RA Jr, Klineberg EO, Burton DC, Hart RA, Schwab FJ, Bess S, Shaffrey CI, Ames CP; International Spine Study Group. Spine (Phila Pa 1976). 2018 Jul 12.

2018                     Determinants of Patient Satisfaction Two Year after Spinal Deformity Surgery: A Latent Class Analysis. Yang J, Lafage V, Lafage R, Smith J, Klineberg EO, Shaffrey CI, Mundis G Jr, Hostin R, Burton D, Ames CP, Bess S, Kim HJ, Schwab F; International Spine Study Group (ISSG). Spine (Phila Pa 1976). 2018 Jun 21.

2018                     Patients with Adult Spinal Deformity with Previous Fusions Have an Equal Chance of Reaching Substantial Clinical Benefit Thresholds in Health-Related Quality of Life Measures but Do Not Reach the Same Absolute Level of Improvement. Ailon T, Smith JS, Shaffrey CI, Soroceanu A, Lafage V, Schwab F, Burton D, Hart R, Kim HJ, Gum J, Hostin R, Kelly MP, Glassman S, Scheer JK, Bess S, Ames CP; International Spine Study Group. World Neurosurg. 2018 Aug; 116:e354-e361.

2018                     Peak Timing for Complications After Adult Spinal Deformity Surgery. Daniels AH, Bess S, Line B, Eltorai AEM, Reid DBC, Lafage V, Akbarnia BA, Ames CP, Boachie-Adjei O, Burton DC, Deviren V, Kim HJ, Hart RA, Kebaish KM, Klineberg EO, Gupta M, Mundis GM Jr, Hostin RA Jr, O’Brien M, Schwab FJ, Shaffrey CI, Smith JS; International Spine Study Group Foundation. World Neurosurg. 2018 Jul; 115:e509-e515

2018                     Center variation in episode-of-care costs for adult spinal deformity surgery: results from a prospective, multicenter database. Yeramaneni S, Ames CP, Bess S, Burton D, Smith JS, Glassman S, Gum JL, Carreon L, Jain A, Zygourakis C, Avramis I, Hostin R; International Spine Study Group. Spine J. 2018 Mar 22. pii: S1529-9430(18)30101-3.

2018                     Impact of Readmissions in Episodic Care of Adult Spinal Deformity: Event-Based Cost Analysis of 695 Consecutive Cases. Yeramaneni S, Gum JL, Carreon LY, Klineberg EO, Smith JS, Jain A, Hostin RA. J Bone Joint Surg Am. 2018 Mar 21;100(6):487-495.

2018                     Association of Patient-Reported Narcotic Use With Short- and Long-Term Outcomes After Adult Spinal Deformity Surgery: Multicenter Study of 425 Patients With 2-year Follow-up. Raad M, Jain A, Neuman BJ, Hassanzadeh H, Gupta MC, Burton DC, Mundis GM Jr, Lafage V, Klineberg EO, Hostin RA, Ames CP, Bess S, Sciubba DM, Kebaish KM; International Spine Study Group. Spine (Phila Pa 1976). 2018 Oct 1;43(19):1340-1346.

2018                     Cost-utility analysis of cervical deformity surgeries using 1-year outcome. Poorman GW, Passias PG, Qureshi R, Hassanzadeh H, Horn S, Bortz C, Segreto F, Jain A, Kelly M, Hostin R, Ames C, Smith J, LaFage V, Burton D, Bess S, Shaffrey C, Schwab F, Gupta M. Spine J. 2018 Sep;18(9):1552-1557.

2018                     Frailty and Health-Related Quality of Life Improvement Following Adult Spinal Deformity Surgery. Reid DBC, Daniels AH, Ailon T, Miller E, Sciubba DM, Smith JS, Shaffrey CI, Schwab F, Burton D, Hart RA, Hostin R, Line B, Bess S, Ames CP; International Spine Study Group. World Neurosurg. 2018 Apr;112:e548-e554.

2018                     Prospective Multicenter Assessment of All-Cause Mortality Following Surgery for Adult Cervical Deformity. Smith JS, Shaffrey CI, Kim HJ, Passias P, Protopsaltis T, Lafage R, Mundis GM Jr, Klineberg E, Lafage V, Schwab FJ, Scheer JK, Miller E, Kelly M, Hamilton DK, Gupta M, Deviren V, Hostin R, Albert T, Riew KD, Hart R, Burton D, Bess S, Ames CP. Neurosurgery. 2018 Jan 17.

2018                     Xipho-pubic angle (XPA) correlates with patient’s reported outcomes in a population of adult spinal deformity: results from a multi-center cohort study. Langella F, Villafañe JH, Lafage V, Smith JS, Shaffrey C, Kim HJ, Burton D, Hostin R, Bess S, Ames C, Mundis G, Klineberg E, Schwab F, Lafage R, Berjano P. Eur Spine J. 2018 Mar;27(3):670-677.

2018                     Early Detection of Scoliosis-What the USPSTF “I” Means for Us. Hresko MT, Schwend RM, Hostin RA. JAMA Pediatr. 2018 Mar 1;172(3):216-217.

2018                     Complication Rates and Maintenance of Correction After 3-Column Osteotomy in the Elderly: Report of 55 Patients With 2-Year Follow-up. Challier V, Henry JK, Liu S, Ames C, Kebaish K, Obeid I, Hostin R, Gupta M, Boachie-Adjei O, Smith JS, Mundis G, Bess S, Schwab F, Lafage V; International Spine Study Group. Neurosurgery. 2018 Nov 1;83(5):973-980.

2018                     Proximal Junctional Kyphosis: Inter- and Intraobserver Reliability of Radiographic Measurements in Adult Spinal Deformity. Rastegar F, Contag A, Daniels A, Hiratzka J, Lin C, Chang J, Than K, Raslan A, Kong C, Nguyen NL, Hostin R, Kane M, Hart RA. Spine (Phila Pa 1976). 2018 Jan 1;43(1):E40-E44.

2018                     Minimum Detectable Measurement Difference for Health-Related Quality of Life Measures Varies With Age and Disability in Adult Spinal Deformity: Implications for Calculating Minimal Clinically Important Difference. Kelly MP, Kim HJ, Ames CP, Burton DC, Carreon LY, Polly DW Jr, Hostin R, Jain A, Gum JL, Lafage V, Schwab FJ, Shaffrey CI, Smith JS, Bess S; International Spine Study Group. Spine (Phila Pa 1976). 2018 Jul 1;43(13):E790-E795.

2018                     Inter- and Intra-rater Reliability of the Hart-ISSG Proximal Junctional Failure Severity Scale. Hart RA, Rastegar F, Contag A, Kane M, Daniels A, Klineberg E, Eastlack R, Smith JS, Hostin R, Hamilton DK, Gum JL, Burton DC, Sheer JK, Ames C, Schwab F, Lafage V, Bess S, Shaffrey C, Kebaish K; International Spine Study Group. Spine (Phila Pa 1976). 2018 Apr 15;43(8):E461-E467.

2018                     Under Correction of Sagittal Deformities Based on Age-adjusted Alignment Thresholds Leads to Worse Health-related Quality of Life Whereas Over Correction Provides No Additional Benefit. Scheer JK, Lafage R, Schwab FJ, Liabaud B, Smith JS, Mundis GM, Hostin R, Shaffrey CI, Burton DC, Hart RA, Kim HJ, Bess S, Gupta M, Lafage V, Ames CP; International Spine Study Group. Spine (Phila Pa 1976). 2018 Mar 15;43(6):388-393.

2018                     After 9 Years of 3-Column Osteotomies, Are We Doing Better? Performance Curve Analysis of 573 Surgeries With 2-Year Follow-up. Diebo BG, Lafage V, Varghese JJ, Gupta M, Kim HJ, Ames C, Kebaish K, Shaffrey C, Hostin R, Obeid I, Burton D, Hart RA, Lafage R, Schwab FJ; International Spine Study Group (ISSG) of Denver, Colorado. Neurosurgery. 2018 Jul 1;83(1):69-75.

2017                     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. Oh T, Scheer JK, Smith JS, Hostin R, Robinson C, Gum JL, Schwab F, Hart RA, Lafage V, Burton DC, Bess S, Protopsaltis T, Klineberg EO, Shaffrey CI, Ames CP; International Spine Study Group. Neurosurg Focus. 2017 Dec;43(6):E2.

2017                     Male sex may not be associated with worse outcomes in primary all-posterior adult spinal deformity surgery: a multicenter analysis. Bumpass DB, Lenke LG, Gum JL, Shaffrey CI, Smith JS, Ames CP, Bess S, Neuman BJ, Klineberg E, Mundis GM Jr, Schwab F, Lafage V, Kim HJ, Burton DC, Kebaish KM, Hostin R, Lafage R, Kelly MP; International Spine Study Group. Neurosurg Focus. 2017 Dec;43(6):E9.

2017                     Sagittal alignment and complications following lumbar 3-column osteotomy: does the level of resection matter? Ferrero E, Liabaud B, Henry JK, Ames CP, Kebaish K, Mundis GM, Hostin R, Gupta MC, Boachie-Adjei O, Smith JS, Hart RA, Obeid I, Diebo BG, Schwab FJ, Lafage V. J Neurosurg Spine. 2017 Nov;27(5):560-569.

2017                     Cell Saver for Adult Spinal Deformity Surgery Reduces Cost. Gum JL, Carreon LY, Kelly MP, Hostin R, Robinson C, Burton DC, Polly DW, Shaffrey CI, LaFage V, Schwab FJ, Ames CP, Kim HJ, Smith JS, Bess RS; International Spine Study Group. Spine Deform. 2017 Jul;5(4):272-276.

2017                     Proximal Junctional Kyphosis: Inter- and Intra-observer Reliability of Radiographic Measurements in Adult Spinal Deformity. Rastegar F, Contag A, Daniels A, Hiratzka J, Lin C, Chang J, Than K, Raslan A, Kong C, Nguyen NL, Hostin R, Kane M, Hart R. Spine (Phila Pa 1976). 2017 Jun 6.

2017                     Orientation of the Upper-most Instrumented Segment Influences Proximal Junctional Disease Following Adult Spinal Deformity Surgery. Lafage R, Line BG, Gupta S, Liabaud B, Schwab F, Smith JS, Gum JL, Ames CP, Hostin R, Mundis GM Jr, Kim HJ, Bess S, Klineberg E, Lafage V; International Spine Study Group (ISSG). Spine (Phila Pa 1976). 2017 Oct 15;42(20):1570-1577.

2017                     Importance of patient-reported individualized goals when assessing outcomes for adult spinal deformity (ASD): initial experience with a Patient Generated Index (PGI). Scheer JK, Keefe M, Lafage V, Kelly MP, Bess S, Burton DC, Hart RA, Jain A, Lonner BS, Protopsaltis TS, Hostin R, Shaffrey CI, Smith JS, Schwab F, Ames CP. Spine J. 2017 Oct;17(10):1397-1405.

2017                     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. Smith JS, Line B, Bess S, Shaffrey CI, Kim HJ, Mundis G, Scheer JK, Klineberg E, O’Brien M, Hostin R, Gupta M, Daniels A, Kelly M, Gum JL, Schwab FJ, Lafage V, Lafage R, Ailon T, Passias P, Protopsaltis T, Albert TJ, Riew KD, Hart R, Burton D, Deviren V, Ames CP, Group ISS. Neurosurgery. 2017 May 1;80(5):716-725.

2017                     Three-column osteotomy for correction of cervical and cervicothoracic deformities: alignment changes and early complications in a multicenter prospective series of 23 patients. Smith JS, Shaffrey CI, Lafage R, Lafage V, Schwab FJ, Kim HJ, Scheer JK, Protopsaltis T, Passias P, Mundis G, Hart R, Neuman B, Klineberg E, Hostin R, Bess S, Deviren V, Ames CP; ISSG. Eur Spine J. 2017 Aug;26(8):2128-2137.

2017                     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. Smith JS, Shaffrey CI, Klineberg E, Lafage V, Schwab F, Lafage R, Kim HJ, Hostin R, Mundis GM Jr, Gupta M, Liabaud B, Scheer JK, Diebo BG, Protopsaltis TS, Kelly MP, Deviren V, Hart R, Burton D, Bess S, Ames CP; , on behalf of the International Spine Study Group. J Neurosurg Spine. 2017 Oct;27(4):444-457.

2017                     Early Patient-Reported Outcomes Predict 3-Year Outcomes in Operatively Treated Patients with Adult Spinal Deformity. Jain A, Kebaish KM, Sciubba DM, Hassanzadeh H, Scheer JK, Neuman BJ, Lafage V, Bess S, Protopsaltis TS, Burton DC, Smith JS, Shaffrey CI, Hostin RA, Ames CP; International Spine Study Group. World Neurosurg. 2017 Jun;102:258-262.

2017                     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. Bakhsheshian J, Scheer JK, Gum JL, Horner L, Hostin R, Lafage V, Bess S, Protopsaltis TS, Burton DC, Keefe M, Hart RA, Mundis GM, Shaffrey CI, Schwab F, Smith JS, Ames CP; International Spine Study Group (ISSG). Clin Spine Surg. 2017 Mar;30(2):E124-E131.

2017                     Impact of poor mental health in adult spinal deformity patients with poor physical function: a retrospective analysis with a 2-year follow-up. Bakhsheshian J, Scheer JK, Gum JL, Hostin R, Lafage V, Bess S, Protopsaltis TS, Burton DC, Keefe MK, Hart RA, Mundis GM Jr, Shaffrey CI, Schwab F, Smith JS, Ames CP; International Spine Study Group. J Neurosurg Spine. 2017 Jan;26(1):116-124.

2017                     Impact of cost valuation on cost-effectiveness in adult spine deformity surgery. Gum JL, Hostin R, Robinson C, Kelly MP, Carreon LY, Polly DW, Bess RS, Burton DC, Shaffrey CI, Smith JS, LaFage V, Schwab FJ, Ames CP, Glassman SD; International Spine Study Group. Spine J. 2017 Jan;17(1):96-101.

2017                     Cervical sagittal deformity develops after PJK in adult thoracolumbar deformity correction: radiographic analysis utilizing a novel global sagittal angular parameter, the CTPA. Protopsaltis T, Bronsard N, Soroceanu A, Henry JK, Lafage R, Smith J, Klineberg E, Mundis G, Kim HJ, Hostin R, Hart R, Shaffrey C, Bess S, Ames C; International Spine Study Group. Eur Spine J. 2017 Apr;26(4):1111 1120.

2016                     Adult Spinal Deformity Surgeons Are Unable to Accurately Predict Postoperative Spinal Alignment Using Clinical Judgment Alone. Ailon T, Scheer JK, Lafage V, Schwab FJ, Klineberg E, Sciubba DM, Protopsaltis TS, Zebala L, Hostin R, Obeid I, Koski T, Kelly MP, Bess S, Shaffrey CI, Smith JS, Ames CP; International Spine Study Group. Spine Deform. 2016 Jul;4(4):323-329.

2016                     Effect of Antifibrinolytic Therapy on Complications, Thromboembolic Events, Blood Product Utilization, and Fusion in Adult Spinal Deformity Surgery. Soroceanu A, Oren JH, Smith JS, Hostin R, Shaffrey CI, Mundis GM, Ames CP, Burton DC, Bess S, Gupta MC, Deviren V, Schwab FJ, Lafage V, Errico TJ. Spine (Phila Pa 1976). 2016 Jul 15;41(14):E879-86.

2016                     Impact of spine surgery complications on costs associated with management of adult spinal deformity. Yeramaneni S, Robinson C, Hostin R. Curr Rev Musculoskelet Med. 2016 Sep;9(3):327-32.

2016                     Retrospective Study of Anterior Interbody Fusion Rates and Patient Outcomes of Using Mineralized Collagen and Bone Marrow Aspirate in Multilevel Adult Spinal Deformity Surgery. Hostin R, O’Brien M, McCarthy I, Bess S, Gupta M, Klineberg E; International Spine Study Group, Denver, CO. Clin Spine Surg. 2016 Oct;29(8):E384-8.

2016                     Medical Complications After Adult Spinal Deformity Surgery: Incidence, Risk Factors, and Clinical Impact. Soroceanu A, Burton DC, Oren JH, Smith JS, Hostin R, Shaffrey CI, Akbarnia BA, Ames CP, Errico TJ, Bess S, Gupta MC, Deviren V, Schwab FJ, Lafage V; International Spine Study Group. Spine (Phila Pa 1976). 2016 Nov 15;41(22):1718-1723.

2016                     Assessment of Surgical Treatment Strategies for Moderate to Severe Cervical Spinal Deformity Reveals Marked Variation in Approaches, Osteotomies, and Fusion Levels. Smith JS, Klineberg E, Shaffrey CI, Lafage V, Schwab FJ, Protopsaltis T, Scheer JK, Ailon T, Ramachandran S, Daniels A, Mundis G, Gupta M, Hostin R, Deviren V, Eastlack R, Passias P, Hamilton DK, Hart R, Burton DC, Bess S, Ames CP; International Spine Study Group. World Neurosurg. 2016 Jul;91:228-37.

2016                     A Multicenter Comparison of Inpatient Resource Use for Adult Spinal Deformity Surgery. Hostin R, Robinson C, O’Brien M, Ames C, Schwab F, Smith JS, Lafage V, Gupta M, Hart R, Burton D, Bess S, Schaffrey C, McCarthy I. Spine (Phila Pa 1976). 2016 Apr;41(7):603-9.

2016                     Ratio of lumbar 3-column osteotomy closure: patient-specific deformity characteristics and level of resection impact correction of truncal versus pelvic compensation. Diebo BG, Lafage R, Ames CP, Bess S, Obeid I, Klineberg E, Cunningham ME, Smith JS, Hostin R, Liu S, Passias PG, Schwab FJ, Lafage V; International Spine Study Group. Eur Spine J. 2016 Aug;25(8):2480-7.

2016                     Validity, Reliability, and Responsiveness of SRS-7 as an Outcomes Assessment Instrument for Operatively Treated Patients With Adult Spinal Deformity. Jain A, Lafage V, Kelly MP, Hassanzadeh H, Neuman BJ, Sciubba DM, Bess S, Shaffrey CI, Ames CP, Scheer JK, Burton D, Gupta MC, Hart R, Hostin RA, Kebaish KM; International Spine Study Group. Spine (Phila Pa 1976). 2016 Sep 15;41(18):1463-8.

2016                     Prospective multicenter assessment of perioperative and minimum 2-year postoperative complication rates associated with adult spinal deformity surgery. Smith JS, Klineberg E, Lafage V, Shaffrey CI, Schwab F, Lafage R, Hostin R, Mundis GM Jr, Errico TJ, Kim HJ, Protopsaltis TS, Hamilton DK, Scheer JK, Soroceanu A, Kelly MP, Line B, Gupta M, Deviren V, Hart R, Burton DC, Bess S, Ames CP; International Spine Study Group. J Neurosurg Spine. 2016 Jul;25(1):1-14.

2016                     Defining Spino-Pelvic Alignment Thresholds: Should Operative Goals in Adult Spinal Deformity Surgery Account for Age? Lafage R, Schwab F, Challier V, Henry JK, Gum J, Smith J, Hostin R, Shaffrey C, Kim HJ, Ames C, Scheer J, Klineberg E, Bess S, Burton D, Lafage V; International Spine Study Group. Spine (Phila Pa 1976). 2016 Jan;41(1):62-8.

2016                     Prospective Multicenter Assessment of Early Complication Rates Associated With Adult Cervical Deformity Surgery in 78 Patients. Smith JS, Ramchandran S, Lafage V, Shaffrey CI, Ailon T, Klineberg E, Protopsaltis T, Schwab FJ, OʼBrien M, Hostin R, Gupta M, Mundis G, Hart R, Kim HJ, Passias PG, Scheer JK, Deviren V, Burton DC, Eastlack R, Bess S, Albert TJ, Riew KD, Ames CP; International Spine Study Group. Neurosurgery. 2016 Sep;79(3):378-88.

2016                     Outcomes of Operative and Nonoperative Treatment for Adult Spinal Deformity: A Prospective, Multicenter, Propensity-Matched Cohort Assessment With Minimum 2-Year Follow-up. Smith JS, Lafage V, Shaffrey CI, Schwab F, Lafage R, Hostin R, OʼBrien M, Boachie-Adjei O, Akbarnia BA, Mundis GM, Errico T, Kim HJ, Protopsaltis TS, Hamilton DK, Scheer JK, Sciubba D, Ailon T, Fu KM, Kelly MP, Zebala L, Line B, Klineberg E, Gupta M, Deviren V, Hart R, Burton D, Bess S, Ames CP; International Spine Study Group. Neurosurgery. 2016 Jun; 78(6):851-61.

2016                     The Health Impact of Symptomatic Adult Spinal Deformity: Comparison of Deformity Types to United States Population Norms and Chronic Diseases. Bess S, Line B, Fu KM, McCarthy I, Lafage V, Schwab F, Shaffrey C, Ames C, Akbarnia B, Jo H, Kelly M, Burton D, Hart R, Klineberg E, Kebaish K, Hostin R, Mundis G, Mummaneni P, Smith JS; International Spine Study Group. Spine (Phila Pa 1976). 2016 Feb;41(3):224-33.

2016                     Detection of Pseudarthrosis in Adult Spinal Deformity: The Use of Health-related Quality-of-life Outcomes to Predict Pseudarthrosis. Klineberg E, Gupta M, McCarthy I, Hostin R. Clin Spine Surg. 2016 Oct;29(8):318-22.

2016                     The benefit of nonoperative treatment for adult spinal deformity: identifying predictors for reaching a minimal clinically important difference. Liu S, Diebo BG, Henry JK, Smith JS, Hostin R, Cunningham ME, Mundis G, Ames CP, Burton D, Bess S, Akbarnia B, Hart R, Passias PG, Schwab FJ, Lafage V; International Spine Study Group (ISSG). Spine J. 2016 Feb;16(2):210-8.

2015                     Pedicle Subtraction Osteotomy in the Revision Versus Primary Adult Spinal Deformity Patient: Is There a Difference in Correction and Complications? Gupta MC, Ferrero E, Mundis G, Smith JS, Shaffrey CI, Schwab F, Kim HJ, Boachie-Adjei O, Lafage V, Bess S, Hostin R, Burton DC, Ames CP, Kebaish K, Klineberg E; International Spine Study Group. Spine (Phila Pa 1976). 2015 Nov;40(22):E1169-75.

2015                     Radiographical and Implant-Related Complications in Adult Spinal Deformity Surgery: Incidence, Patient Risk Factors, and Impact on Health-Related Quality of Life. Soroceanu A, Diebo BG, Burton D, Smith JS, Deviren V, Shaffrey C, Kim HJ, Mundis G, Ames C, Errico T, Bess S, Hostin R, Hart R, Schwab F, Lafage V; International Spine Study Group. Spine (Phila Pa 1976). 2015 Sep 15;40(18):1414-21.

2015                     Reliability assessment of a novel cervical spine deformity classification system. Ames CP, Smith JS, Eastlack R, Blaskiewicz DJ, Shaffrey CI, Schwab F, Bess S, Kim HJ, Mundis GM Jr, Klineberg E, Gupta M, O’Brien M, Hostin R, Scheer JK, Protopsaltis TS, Fu KM, Hart R, Albert TJ, Riew KD, Fehlings MG, Deviren V, Lafage V; International Spine Study Group. J Neurosurg Spine. 2015 Dec;23(6):673-83.

2015                     Impact of obesity on complications, infection, and patient-reported outcomes in adult spinal deformity surgery. Soroceanu A, Burton DC, Diebo BG, Smith JS, Hostin R, Shaffrey CI, Boachie-Adjei O, Mundis GM Jr, Ames C, Errico TJ, Bess S, Gupta MC, Hart RA, Schwab FJ, Lafage V; International Spine Study Group. J Neurosurg Spine. 2015 Nov;23(5):656-664.

2015                     The likelihood of reaching minimum clinically important difference and substantial clinical benefit at 2 years following a 3-column osteotomy: analysis of 140 patients. Fakurnejad S, Scheer JK, Lafage V, Smith JS, Deviren V, Hostin R, Mundis GM Jr, Burton DC, Klineberg E, Gupta M, Kebaish K, Shaffrey CI, Bess S, Schwab F, Ames CP; International Spine Study Group. J Neurosurg Spine. 2015 Sep;23(3):340-8.

2015                     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. Smith JS, Shaffrey CI, Lafage V, Schwab F, Scheer JK, Protopsaltis T, Klineberg E, Gupta M, Hostin R, Fu KM, Mundis GM Jr, Kim HJ, Deviren V, Soroceanu A, Hart RA, Burton DC, Bess S, Ames CP; International Spine Study Group. J Neurosurg Spine. 2015 Sep;23(3):349-59.

2015                     Cervical compensatory alignment changes following correction of adult thoracic deformity: a multicenter experience in 57 patients with a 2-year follow-up. Oh T, Scheer JK, Eastlack R, Smith JS, Lafage V, Protopsaltis TS, Klineberg E, Passias PG, Deviren V, Hostin R, Gupta M, Bess S, Schwab F, Shaffrey CI, Ames CP; International Spine Study Group. J Neurosurg Spine. 2015 Jun;22(6):658-65.

2015                     Maintenance of radiographic correction at 2 years following lumbar pedicle subtraction osteotomy is superior with upper thoracic compared with thoracolumbar junction upper instrumented vertebra. Scheer JK, Lafage V, Smith JS, Deviren V, Hostin R, McCarthy IM, Mundis GM, Burton DC, Klineberg E, Gupta M, Kebaish K, Shaffrey CI, Bess S, Schwab F, Ames CP; International Spine Study Group (ISSG). Eur Spine J. 2015 Jan;24 Suppl 1:S121-30.

2015                     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. Scheer JK, Smith JS, Clark AJ, Lafage V, Kim HJ, Rolston JD, Eastlack R, Hart RA, Protopsaltis TS, Kelly MP, Kebaish K, Gupta M, Klineberg E, Hostin R, Shaffrey CI, Schwab F, Ames CP; International Spine Study Group. J Neurosurg Spine. 2015 May;22(5):540-53.

2014                     Prospective multicenter assessment of risk factors for rod fracture following surgery for adult spinal deformity. Smith JS, Shaffrey E, Klineberg E, Shaffrey CI, Lafage V, Schwab FJ, Protopsaltis T, Scheer JK, Mundis GM Jr, Fu KM, Gupta MC, Hostin R, Deviren V, Kebaish K, Hart R, Burton DC, Line B, Bess S, Ames CP; International Spine Study Group. J Neurosurg Spine. 2014 Dec;21(6):994-1003.

2014                     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. Protopsaltis T, Schwab F, Bronsard N, Smith JS, Klineberg E, Mundis G, Ryan DJ, Hostin R, Hart R, Burton D, Ames C, Shaffrey C, Bess S, Errico T, Lafage V; International Spine Study Group. J Bone Joint Surg Am. 2014 Oct 1;96(19):1631-40.

2014                     Preoperative Planning for Pedicle Subtraction Osteotomy: Does Pelvic Tilt Matter? Lafage V, Blondel B, Smith JS, Boachie-Adjei O, Hostin RA, Burton D, Mundis G, Klineberg E, Ames C, Akbarnia B, Bess S, Schwab F; International Spine Study Group. Spine Deform. 2014 Sep;2(5):358-366.

2014                     T1 pelvic angle (TPA) effectively evaluates sagittal deformity and assesses radiographical surgical outcomes longitudinally. Ryan DJ, Protopsaltis TS, Ames CP, Hostin R, Klineberg E, Mundis GM, Obeid I, Kebaish K, Smith JS, Boachie-Adjei O, Burton DC, Hart RA, Gupta M, Schwab FJ, Lafage V; International Spine Study Group. Spine (Phila Pa 1976). 2014 Jul 1;39(15):1203-10.

2014                     Patients with adult spinal deformity treated operatively report greater baseline pain and disability than patients treated nonoperatively; however, deformities differ between age groups. Fu KM, Bess S, Shaffrey CI, Smith JS, Lafage V, Schwab F, Burton DC, Akbarnia BA, Ames CP, Boachie-Adjei O, Deverin V, Hart RA, Hostin R, Klineberg E, Gupta M, Kebaish K, Mundis G, Mummaneni PV; International Spine Study Group. Spine (Phila Pa 1976). 2014 Aug 1;39(17):1401-7.

2014                     Prevalence and type of cervical deformity among 470 adults with thoracolumbar deformity. Smith JS, Lafage V, Schwab FJ, Shaffrey CI, Protopsaltis T, Klineberg E, Gupta M, Scheer JK, Fu KM, Mundis G, Hostin R, Deviren V, Hart R, Burton DC, Bess S, Ames CP; International Spine Study Group. Spine (Phila Pa 1976). 2014 Aug 1;39(17):E1001-9.

2014                     Incremental cost-effectiveness of adult spinal deformity surgery: observed quality-adjusted life years with surgery compared with predicted quality-adjusted life years without surgery. McCarthy I, O’Brien M, Ames C, Robinson C, Errico T, Polly DW Jr, Hostin R; International Spine Study Group. Neurosurg Focus. 2014 May;36(5):E3.

2014                     Clinical improvement through nonoperative treatment of adult spinal deformity: who is likely to benefit? Slobodyanyuk K, Poorman CE, Smith JS, Protopsaltis TS, Hostin R, Bess S, Mundis GM Jr, Schwab FJ, Lafage V; International Spine Study Group. Neurosurg Focus. 2014 May;36(5):E2.

2014                     Complications and intercenter variability of three-column osteotomies for spinal deformity surgery: a retrospective review of 423 patients. Bianco K, Norton R, Schwab F, Smith JS, Klineberg E, Obeid I, Mundis G Jr, Shaffrey CI, Kebaish K, Hostin R, Hart R, Gupta MC, Burton D, Ames C, Boachie-Adjei O, Protopsaltis TS, Lafage V; International Spine Study Group. Neurosurg Focus. 2014 May;36(5):E18.

2014                     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. Smith JS, Singh M, Klineberg E, Shaffrey CI, Lafage V, Schwab FJ, Protopsaltis T, Ibrahimi D, Scheer JK, Mundis G Jr, Gupta MC, Hostin R, Deviren V, Kebaish K, Hart R, Burton DC, Bess S, Ames CP; International Spine Study Group. J Neurosurg Spine. 2014 Aug;21(2):160-70.

2014                     Upper thoracic versus lower thoracic upper instrumented vertebrae endpoints have similar outcomes and complications in adult scoliosis. Kim HJ, Boachie-Adjei O, Shaffrey CI, Schwab F, Lafage V, Bess S, Gupta MC, Smith JS, Deviren V, Akbarnia B, Mundis GM, OʼBrien M, Hostin R, Ames C; International Spine Study Group. Spine (Phila Pa 1976). 2014 Jun 1;39(13):E795-9.

2014                     Likelihood of reaching minimal clinically important difference in adult spinal deformity: a comparison of operative and nonoperative treatment. Liu S, Schwab F, Smith JS, Klineberg E, Ames CP, Mundis G, Hostin R, Kebaish K, Deviren V, Gupta M, Boachie-Adjei O, Hart RA, Bess S, Lafage V. Ochsner J. 2014 Spring;14(1):67-77.

2014                     Revision Surgery After 3-Column Osteotomy in 335 Patients With Adult Spinal Deformity: Intercenter Variability and Risk Factors. Maier SP, Smith JS, Schwab FJ, Obeid I, Mundis GM, Klineberg E, Hostin R, Hart RA, Burton D, Boachie-Adjei O, Gupta M, Ames C, Protopsaltis TS, Lafage V; International Spine Study Group. Spine (Phila Pa 1976). 2014 May 15;39(11):881-885.

2014                     Does recombinant human bone morphogenetic protein-2 use in adult spinal deformity increase complications and are complications associated with location of rhBMP-2 use? A prospective, multicenter study of 279 consecutive patients. Bess S, Line BG, Lafage V, Schwab F, Shaffrey CI, Hart RA, Boachie-Adjei O, Akbarnia BA, Ames CP, Burton DC, Deverin V, Fu KM, Gupta M, Hostin R, Kebaish K, Klineberg E, Mundis G, O’Brien M, Shelokov A, Smith JS; International Spine Study Group ISSG. Spine (Phila Pa 1976). 2014 Feb 1;39(3):233-42.

2014                     Total hospital costs of surgical treatment for adult spinal deformity: an extended follow-up study. McCarthy IM, Hostin RA, Ames CP, Kim HJ, Smith JS, Boachie-Adjei O, Schwab FJ, Klineberg EO, Shaffrey CI, Gupta MC, Polly DW; International Spine Study Group. Spine J. 2014 Oct 1;14(10):2326-33.

2014                     Impact of age on the likelihood of reaching a minimum clinically important difference in 374 three-column spinal osteotomies: clinical article. Scheer JK, Lafage V, Smith JS, Deviren V, Hostin R, McCarthy IM, Mundis GM, Burton DC, Klineberg E, Gupta MC, Kebaish KM, Shaffrey CI, Bess S, Schwab F, Ames CP; International Spine Study Group. J Neurosurg Spine. 2014 Mar;20(3):306-12.

2014                     Revision extension to the pelvis versus primary spinopelvic instrumentation in adult deformity: comparison of clinical outcomes and complications. Fu KM, Smith JS, Burton DC, Kebaish KM, Shaffrey CI, Schwab F, Lafage V, Arlet V, Hostin R, Boachie O, Akbarnia B, Bess S; International Spine Study Group. World Neurosurg. 2014 Sep-Oct;82(3-4):e547-52.

2013                     Comparison of patient and surgeon perceptions of adverse events after adult spinal deformity surgery. Hart RA, Cabalo A, Bess S, Akbarnia BA, Boachie-Adjei O, Burton D, Cunningham ME, Gupta M, Hostin R, Kebaish K, Klineberg E, Mundis G, Shaffrey C, Smith JS, Wood K; International Spine Study Group. Spine (Phila Pa 1976). 2013 Apr 20;38(9):732-6.

2013                     Analysis of the direct cost of surgery for four diagnostic categories of adult spinal deformity. McCarthy IM, Hostin RA, O’Brien MF, Fleming NS, Ogola G, Kudyakov R, Richter KM, Saigal R, Berven SH, Ames CP; International Spine Study Group. Spine J. 2013 Dec;13(12):1843-8.

2013                     Reoperation rates and impact on outcome in a large, prospective, multicenter, adult spinal deformity database: clinical article. Scheer JK, Tang JA, Smith JS, Klineberg E, Hart RA, Mundis GM Jr, Burton DC, Hostin R, O’Brien MF, Bess S, Kebaish KM, Deviren V, Lafage V, Schwab F, Shaffrey CI, Ames CP; International Spine Study Group. J Neurosurg Spine. 2013 Oct;19(4):464-70.

2013                     A standardized nomenclature for cervical spine soft-tissue release and osteotomy for deformity correction: clinical article. Ames CP, Smith JS, Scheer JK, Shaffrey CI, Lafage V, Deviren V, Moal B, Protopsaltis T, Mummaneni PV, Mundis GM Jr, Hostin R, Klineberg E, Burton DC, Hart R, Bess S, Schwab FJ; International Spine Study Group. J Neurosurg Spine. 2013 Sep;19(3):269-78.

2013                     Cost-Effectiveness of Surgical Treatment for Adult Spinal Deformity: A Comparison of Dollars per Quality of Life Improvement Across Health Domains. McCarthy I, Hostin R, O’Brien M, Fleming N, Ogola G, Kudyakov R, Richter K, Saigal R, Berven S, Deviren V, Ames C; International Spine Study Group. Spine Deform. 2013 Jul;1(4):293-298.

2013                     Identification of decision criteria for revision surgery among patients with proximal junctional failure after surgical treatment of spinal deformity. Hart R, McCarthy I, Oʼbrien M, Bess S, Line B, Adjei OB, Burton D, Gupta M, Ames C, Deviren V, Kebaish K, Shaffrey C, Wood K, Hostin R; International Spine Study Group. Spine (Phila Pa 1976). 2013 Sep 1;38(19):E1223-7.

2013                     Change in classification grade by the SRS-Schwab Adult Spinal Deformity Classification predicts impact on health-related quality of life measures: prospective analysis of operative and nonoperative treatment. Smith JS, Klineberg E, Schwab F, Shaffrey CI, Moal B, Ames CP, Hostin R, Fu KM, Burton D, Akbarnia B, Gupta M, Hart R, Bess S, Lafage V; International Spine Study Group. Spine (Phila Pa 1976). 2013 Sep 1;38(19):1663-71.

2013                     The SRS-Schwab adult spinal deformity classification: assessment and clinical correlations based on a prospective operative and nonoperative cohort. Terran J, Schwab F, Shaffrey CI, Smith JS, Devos P, Ames CP, Fu KM, Burton D, Hostin R, Klineberg E, Gupta M, Deviren V, Mundis G, Hart R, Bess S, Lafage V; International Spine Study Group. Neurosurgery. 2013 Oct;73(4):559-68.

2013                     Radiographical spinopelvic parameters and disability in the setting of adult spinal deformity: a prospective multicenter analysis. Schwab FJ, Blondel B, Bess S, Hostin R, Shaffrey CI, Smith JS, Boachie-Adjei O, Burton DC, Akbarnia BA, Mundis GM, Ames CP, Kebaish K, Hart RA, Farcy JP, Lafage V; International Spine Study Group (ISSG). Spine (Phila Pa 1976). 2013 Jun 1;38(13):E803-12.

2013                     Health economic analysis of adult deformity surgery. McCarthy I, Hostin R, O’Brien M, Saigal R, Ames CP. Neurosurg Clin N Am. 2013 Apr;24(2):293-304.

2013                     Proximal junctional kyphosis and proximal junctional failure. Hart RA, McCarthy I, Ames CP, Shaffrey CI, Hamilton DK, Hostin R. Neurosurg Clin N Am. 2013 Apr;24(2):213-8.

2013                     Incidence, mode, and location of acute proximal junctional failures after surgical treatment of adult spinal deformity. Hostin R, McCarthy I, OʼBrien M, Bess S, Line B, Boachie-Adjei O, Burton D, Gupta M, Ames C, Deviren V, Kebaish K, Shaffrey C, Wood K, Hart R; International Spine Study Group. Spine (Phila Pa 1976). 2013 May 20;38(12):1008-15.

2013                     Outcomes and complications of extension of previous long fusion to the sacro-pelvis: is an anterior approach necessary? Fu KM, Smith JS, Burton DC, Shaffrey CI, Boachie-Adjei O, Carlson B, Schwab FJ, Lafage V, Hostin R, Bess S, Akbarnia BA, Mundis G, Klineberg E, Gupta M; International Spine Study Group. World Neurosurg. 2013 Jan;79(1):177-81.

2012                     Spontaneous improvement of cervical alignment after correction of global sagittal balance following pedicle subtraction osteotomy. Smith JS, Shaffrey CI, Lafage V, Blondel B, Schwab F, Hostin R, Hart R, O’Shaughnessy B, Bess S, Hu SS, Deviren V, Ames CP; International Spine Study Group. J Neurosurg Spine. 2012 Oct;17(4):300-7.

2012                     Risk factors for major peri-operative complications in adult spinal deformity surgery: a multi-center review of 953 consecutive patients. Schwab FJ, Hawkinson N, Lafage V, Smith JS, Hart R, Mundis G, Burton DC, Line B, Akbarnia B, Boachie-Adjei O, Hostin R, Shaffrey CI, Arlet V, Wood K, Gupta M, Bess S, Mummaneni PV; International Spine Study Group. Eur Spine J. 2012 Dec;21(12):2603-10.

2012                     Sagittal realignment failures following pedicle subtraction osteotomy surgery: are we doing enough?: Clinical article. Schwab FJ, Patel A, Shaffrey CI, Smith JS, Farcy JP, Boachie-Adjei O, Hostin RA, Hart RA, Akbarnia BA, Burton DC, Bess S, Lafage V. J Neurosurg Spine. 2012 Jun;16(6):539-46.

2012                     Dynamic changes of the pelvis and spine are key to predicting postoperative sagittal alignment after pedicle subtraction osteotomy: a critical analysis of preoperative planning techniques. Smith JS, Bess S, Shaffrey CI, Burton DC, Hart RA, Hostin R, Klineberg E; International Spine Study Group. Spine (Phila Pa 1976). 2012 May 1;37(10):845-53.

2012                     Multicenter validation of a formula predicting postoperative spinopelvic alignment. Lafage V, Bharucha NJ, Schwab F, Hart RA, Burton D, Boachie-Adjei O, Smith JS, Hostin R, Shaffrey C, Gupta M, Akbarnia BA, Bess S. J Neurosurg Spine. 2012 Jan;16(1):15-21.

2012                     Sagittal spino-pelvic alignment failures following three column thoracic osteotomy for adult spinal deformity. Lafage V, Smith JS, Bess S, Schwab FJ, Ames CP, Klineberg E, Arlet V, Hostin R, Burton DC, Shaffrey CI; International Spine Study Group. Eur Spine J. 2012 Apr;21(4):698-704.

2012                     Changes in thoracic kyphosis negatively impact sagittal alignment after lumbar pedicle subtraction osteotomy: a comprehensive radiographic analysis. Lafage V, Ames C, Schwab F, Klineberg E, Akbarnia B, Smith J, Boachie-Adjei O, Burton D, Hart R, Hostin R, Shaffrey C, Wood K, Bess S; International Spine Study Group. Spine (Phila Pa 1976). 2012 Feb 1;37(3):E180-7.

2011                     Does vertebral level of pedicle subtraction osteotomy correlate with degree of spinopelvic parameter correction? Lafage V, Schwab F, Vira S, Hart R, Burton D, Smith JS, Boachie-Adjei O, Shelokov A, Hostin R, Shaffrey CI, Gupta M, Akbarnia BA, Bess S, Farcy JP. J Neurosurg Spine. 2011 Feb;14(2):184-91.

2011                     Acute reciprocal changes distant from the site of spinal osteotomies affect global postoperative alignment. Klineberg E, Schwab F, Ames C, Hostin R, Bess S, Smith JS, Gupta MC, Boachie O, Hart RA, Akbarnia BA, Burton DC, Lafage V. Adv Orthop. 2011;2011:415946.

2009                     Pain and disability determine treatment modality for older patients with adult scoliosis, while deformity guides treatment for younger patients. Bess S, Boachie-Adjei O, Burton D, Cunningham M, Shaffrey C, Shelokov A, Hostin R, Schwab F, Wood K, Akbarnia B; International Spine Study Group. Spine (Phila Pa 1976). 2009 Sep 15;34(20):2186-90.

2008                     A biomechanical evaluation of three revision screw strategies for failed lateral mass fixation. Hostin RA, Wu C, Perra JH, Polly DW, Akesen B, Wroblewski JM. Spine (Phila Pa 1976). 2008 Oct 15;33(22):2415-21.

2005                     Importance of the peridural membrane in percutaneous vertebroplasty. Hostin R, Carr J, Gupta MC, Hazelwood S, Dublin A. J Spinal Disord Tech. 2005 Feb;18(1):34-9.

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