The International Spine Study Group works to consistently put forward high quality, meaningful research. The findings are shared via podium presentations, posters, and published manuscripts. Explore all publications from the ISSG here.
Buell TJ, Chen C-J, Quinn JC, et al. Alignment Risk Factors for Proximal Junctional Kyphosis and the Effect of Lower Thoracic Junctional Tethers for Adult Spinal Deformity. World Neurosurg 2019;121:e96–103. Read more...
Buell TJ, Buchholz AL, Quinn JC, et al. A pilot study on posterior polyethylene tethers to prevent proximal junctional kyphosis after multilevel spinal instrumentation for adult spinal deformity. Oper Neurosurg 2019;16:256–66. Read more...
Ames CP, Smith JS, Pellisé F, et al. Development of Deployable Predictive Models for Minimal Clinically Important Difference Achievement Across the Commonly Used Health-related Quality of Life Instruments in Adult Spinal Deformity Surgery. Spine (Phila Pa 1976) 2019;44:1144–53. Read more...
Ames CP, Smith JS, Pellisé F, et al. Development of predictive models for all individual questions of SRS-22R after adult spinal deformity surgery: a step toward individualized medicine. Eur Spine J 2019;28:1998–2011. Read more...
Eastlack RK, Srinivas R, Mundis GM, et al. Early and Late Reoperation Rates With Various MIS Techniques for Adult Spinal Deformity Correction. Glob Spine J 2019;9:41–7. Read more...
Passias PG, Poorman GW, Horn SR, et al. Effect of Obesity on Radiographic Alignment and ShortTerm Complications After Surgical Treatment of Adult Cervical Deformity. World Neurosurg 2019;125:e1082–8. Read more...
Daniels AH, Reid DBC, Tran SN, et al. Evolution in Surgical Approach, Complications, and Outcomes in an Adult Spinal Deformity Surgery Multicenter Study Group Patient Population. Spine Deform 2019;7:481–8. Read more...
Kelly MP, Kallen MA, Shaffrey CI, et al. Examining the Patient-Reported Outcomes Measurement Information System versus the Scoliosis Research Society–22r in adult spinal deformity. J Neurosurg Spine 2019;30:801–6. Read more...
Passias PG, Alas H, Lafage R, et al. Global spinal deformity from the upper cervical perspective. What is “Abnormal” in the upper cervical spine? J Craniovertebr Junction Spine 2019;10:152–9. Read more...
Bortz CA, Passias PG, Segreto FA, et al. Grading of complications after cervical deformitycorrective surgery: Are existing classification systems applicable? Clin Spine Surg 2019;32:263–8. Read more...
Verma R, Lafage R, Scheer J, et al. 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. Spine (Phila Pa 1976) 2019;44:263–9. Read more...
Bortz CA, Passias PG, Segreto F, et al. Indicators for nonroutine discharge following cervical deformity-corrective surgery: Radiographic, surgical, and patient-related factors. Clin Neurosurg 2019;85:E509–19. Read more...
Than KD, Park P, Tran S, et al. Analysis of Complications with Staged Surgery for Less Invasive Treatment of Adult Spinal Deformity. World Neurosurg 2019;126:e1337–42. Read more...
Park P, Fu K-M, Eastlack RK, et al. Is achieving optimal spinopelvic parameters necessary to obtain substantial clinical benefit? An analysis of patients who underwent circumferential minimally invasive surgery or hybrid surgery with open posterior instrumentation. J Neurosurg Spine 2019;30:833–8. Read more...
Lafage R, Obeid I, Liabaud B, et al. Location of correction within the lumbar spine impacts acute adjacent-segment kyphosis. J Neurosurg Spine 2019;30:69–77. Read more...
Chou D, Mundis G, Wang M, et al. Minimally Invasive Surgery for Mild-to-Moderate Adult Spinal Deformities: Impact on Intensive Care Unit and Hospital Stay. World Neurosurg 2019;127:e649–55. Read more...
Iyer S, Kim HJ, Theologis A, et al. Outcomes of Fusions From the Cervical Spine to the Pelvis. Glob Spine J 2019;9:6–13. Read more...
Horn SR, Passias PG, Bortz CA, et al. Predicting extended operative time and length of inpatient stay in cervical deformity corrective surgery. J Clin Neurosci 2019;69:206–13. Read more...
Neuman BJ, Harris A, Jain A, et al. Reciprocal Changes in Cervical Alignment after Thoracolumbar Arthrodesis for Adult Spinal Deformity. Spine (Phila Pa 1976) 2019;44:E1311–6. Read more...
Passias PG, Oh C, Horn SR, et al. Predicting the occurrence of complications following corrective cervical deformity surgery: Analysis of a prospective multicenter database using predictive analytics. J Clin Neurosci 2019;59:155–61. Read more...
Passias PG, Segreto FA, Lafage R, et al. Recovery kinetics following spinal deformity correction: a comparison of isolated cervical, thoracolumbar, and combined deformity morphometries. Spine J 2019;19:1422–33. Read more...
Segreto FA, Lafage V, Lafage R, et al. Recovery Kinetics: Comparison of Patients Undergoing Primary or Revision Procedures for Adult Cervical Deformity Using a Novel Area under the Curve Methodology. Clin Neurosurg 2019;85:E40–51. Read more...
Agarwal N, Angriman F, Goldschmidt E, et al. Relationship between body mass index and sagittal vertical axis change as well as health-related quality of life in 564 patients after deformity surgery. J Neurosurg Spine 2019;31:697–702. Read more...
Ames CP, Smith JS, Pellisé F, et al. Artificial Intelligence Based Hierarchical Clustering of Patient Types and Intervention Categories in Adult Spinal Deformity Surgery: Towards a New Classification Scheme that Predicts Quality and Value. Spine (Phila Pa 1976) 2019;44:915–26. Read more...
Passias PG, Horn SR, Raman T, et al. The impact of osteotomy grade and location on regional and global alignment following cervical deformity surgery. J Craniovertebr Junction Spine 2019;10:160–6. Read more...
Burton DC, Sethi RK, Wright AK, et al. The Role of Potentially Modifiable Factors in a Standard Work Protocol to Decrease Complications in Adult Spinal Deformity Surgery: A Systematic Review, Part 1. Spine Deform 2019;7:669–83. Read more...
Sethi RK, Burton DC, Wright AK, et al. The Role of Potentially Modifiable Factors in a Standard Work Protocol to Decrease Complications in Adult Spinal Deformity Surgery: A Systematic Review, Part 2. Spine Deform 2019;7:684–95. Read more...
Yang J, Khalifé M, Lafage R, et al. What Factors Predict the Risk of Proximal Junctional Failure in the Long Term, Demographic, Surgical, or Radiographic?: Results from a Time-dependent ROC Curve. Spine (Phila Pa 1976) 2019;44:777–84. Read more...
Durand WM, Daniels AH, Hamilton DK, et al. Younger Patients Are Differentially Affected by Stiffness-Related Disability Following Adult Spinal Deformity Surgery. World Neurosurg 2019;132:e297–304. Read more...
Iyer S, Kim HJ, Bao H, et al. Cervical Deformity Patients Have Baseline Swallowing Dysfunction but Surgery Does Not Increase Dysphagia at 3 Months: Results From a Prospective Cohort Study. Glob Spine J 2019;9:532–9. Read more...
Staub BN, Lafage R, Kim HJ, et al. Cervical mismatch: The normative value of T1 slope minus cervical lordosis and its ability to predict ideal cervical lordosis. J Neurosurg Spine 2019;30:31–7. Read more...
Smith JS, Shaffrey CI, Kim HJ, et al. Comparison of Best Versus Worst Clinical Outcomes for Adult Cervical Deformity Surgery. Glob Spine J 2019;9:303–14. Read more...
Yang J, Lafage V, Lafage R, et al. Determinants of Patient Satisfaction 2 Years after Spinal Deformity Surgery. Spine (Phila Pa 1976) 2019;44:E45–52. Read more...
Pellisé F, Serra-Burriel M, Smith JS, et al. Development and validation of risk stratification models for adult spinal deformity surgery. J Neurosurg Spine 2019;31:587–99 Read more...
Passias PG, Bortz CA, Segreto FA, et al. Development of a Modified Cervical Deformity Frailty Index: A Streamlined Clinical Tool for Preoperative Risk Stratification. Spine (Phila Pa 1976) 2019;44:169–76. Read more...