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Spine Deformity

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https://www.readbyqxmd.com/read/28622904/radiographic-outcomes-of-shilla-growth-guidance-system-and-traditional-growing-rods-through-definitive-treatment
#1
Scott J Luhmann, June C Smith, Ann McClung, Frances L McCullough, Richard E McCarthy, George H Thompson
STUDY DESIGN: Retrospective review of a multicenter database. OBJECTIVES: To compare the radiographic outcomes of patients who had undergone the Shilla Growth Guidance System (SGGS) and traditional growing rod (GR) treatment for management of early-onset scoliosis (EOS) through definitive treatment. SUMMARY OF BACKGROUND DATA: The efficacy of surgical treatment of EOS can only be determined after definitive treatment has been completed. We wanted to review our experience with the SGGS and GR for management of EOS through definitive treatment...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622903/cell-saver-for-adult-spinal-deformity-surgery-reduces-cost
#2
Jeffrey L Gum, Leah Yacat Carreon, Michael P Kelly, Richard Hostin, Chessie Robinson, Douglas C Burton, David W Polly, Christopher I Shaffrey, Virginie LaFage, Frank J Schwab, Christopher P Ames, Han Jo Kim, Justin S Smith, R Shay Bess
STUDY DESIGN: Retrospective cohort. OBJECTIVES: To determine if the use of cell saver reduces overall blood costs in adult spinal deformity (ASD) surgery. SUMMARY OF BACKGROUND DATA: Recent studies have questioned the clinical value of cell saver during spine procedures. METHODS: ASD patients enrolled in a prospective, multicenter surgical database who had complete preoperative and surgical data were identified. Patients were stratified into (1) cell saver available during surgery, but no intraoperative autologous infusion (No Infusion group), or (2) cell saver available and received autologous infusion (Infusion group)...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622902/a-critical-analysis-of-sagittal-plane-deformity-correction-with-minimally-invasive-adult-spinal-deformity-surgery-a-2-year-follow-up-study
#3
Gregory M Mundis, Jay D Turner, Vedat Deverin, Juan S Uribe, Pierce Nunley, Praveen Mummaneni, Neel Anand, Paul Park, David O Okonkwo, Michael Y Wang, Shay Bess, Adam S Kanter, Richard Fessler, Stacie Nguyen, Behrooz A Akbarnia
INTRODUCTION: Sagittal plane realignment is important to achieve desirable clinical outcomes after adult spinal deformity (ASD) surgery. This study evaluates the impact of minimally invasive (MIS) techniques on sagittal plane alignment and clinical outcomes in ASD patients. METHODS: A retrospective, multi-center review of ASD patients (age ≥18 years, and with one of the following: coronal Cobb ≥20°, sagittal vertical axis [SVA] >5 cm, and/or pelvic tilt >25°), MIS surgery, and four or more levels instrumented...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622901/tridimensional-analysis-of-rotatory-subluxation-and-sagittal-spinopelvic-alignment-in-the-setting-of-adult-spinal-deformity
#4
Emmanuelle Ferrero, Renaud Lafage, Bassel G Diebo, Vincent Challier, Brice Illharreborde, Frank Schwab, Wafa Skalli, Pierre Guigui, Virginie Lafage
STUDY DESIGN: Retrospective single-center. OBJECTIVE: To investigate rotatory subluxation (RS) in adult spinal deformity (ASD) with three-dimensional (3D) stereoradiographic images and analyze relationships between RS, transverse plane parameters, spinopelvic parameters, and clinical outcomes. BACKGROUND: Recent research has demonstrated that sagittal plane malalignment and listhesis correlate with ASD patient-reported outcomes. However, there is still a lack of knowledge regarding the clinical impact of 3D evaluation and rotatory subluxation...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622900/the-risk-of-curve-progression-and-surgery-in-african-americans-with-adolescent-idiopathic-scoliosis
#5
Taylor Lara, Nelson Astur, Tamekia L Jones, Vinayak Perake, Alice Moisan, William C Warner, Jeffery R Sawyer, Derek M Kelly
STUDY DESIGN: Retrospective clinical cohort study. OBJECTIVE: To determine if certain risk factors (age, curve magnitude, skeletal maturity, gender, and curve pattern) traditionally associated with curve progression and surgical intervention in the general population apply equally to African Americans. SUMMARY OF BACKGROUND DATA: Currently, information is limited on the role that a patient's race plays in the risk of curve progression of adolescent idiopathic scoliosis (AIS), and existing studies have conflicting results...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622899/a-novel-method-for-estimating-three-dimensional-apical-vertebral-rotation-using-two-dimensional-coronal-cobb-angle-and-thoracic-kyphosis
#6
T Barrett Sullivan, Tracey Bastrom, Fredrick Reighard, Megan Jeffords, Peter O Newton
STUDY DESIGN: Retrospective cohort analysis. OBJECTIVES: To use a large cohort of three-dimensional (3D) spinal reconstructions to create a simple mathematical formula capable of estimating 3D apical vertebral rotation (AVR) based on the correlation with routinely obtained two-dimensional (2D) measurements of scoliosis. SUMMARY OF BACKGROUND DATA: Quantification of vertebral rotation in AIS using 2-dimensional (2D) imaging is inherently challenging as the axial plane cannot be directly visualized...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622898/trends-in-attendance-at-scoliosis-research-society-annual-meetings-srs-am-and-international-meeting-on-advanced-spine-techniques-imast-location-location-location
#7
Foster Chen, Woojin Cho, Han Jo Kim, David B Levine
STUDY DESIGN: Descriptive, respective. OBJECTIVE: Although overall membership in Scoliosis Research Society (SRS) has grown over the years, we were curious to see the effects of changing event venue location and timing on conference attendance. SUMMARY OF BACKGROUND DATA: Every year, the SRS hosts two major meetings: the Annual Meeting (SRS AM) in the autumn, and the International Meeting on Advanced Spine Techniques (IMAST) in the summer...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622897/the-efficacy-of-local-autologous-bone-dust-a-systematic-review
#8
Matthew Street, Ryan Gao, Waldron Martis, Jacob Munro, David Musson, Jillian Cornish, John Ferguson
STUDY DESIGN: A systematic review of bone dust as an autologous bone graft to encourage osseous fusion. OBJECTIVE: To identify and review studies that report on the therapeutic potential of bone dust. The research question was structured as follows: populations-animal and human sources of bone dust harvested using burrs; interventions-autologous bone dust compared with other clinically utilized bone graft options; outcomes assessed-(1) in vitro cell viability, cell differentiation, and osteogenic potential and (2) clinical efficacy in the form of fusion rates as assessed using plain radiographs; study designs-in vitro, preclinical in vivo and clinical studies investigating the therapeutic potential of bone dust, harvested by burring, are included in this systematic review...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622896/biomechanical-modeling-of-spine-flexibility-and-its-relationship-to-spinal-range-of-motion-and-idiopathic-scoliosis
#9
Tishya A L Wren, Skorn Ponrartana, Ervin Poorghasamians, Sarah Moreau, Patricia C Aggabao, Tracy L Zaslow, Bianca R Edison, Vicente Gilsanz
STUDY DESIGN: Cross-sectional. OBJECTIVE: To examine the relationships between spine morphology, spine flexibility, and idiopathic scoliosis. BACKGROUND: Girls have a higher incidence of clinically significant scoliosis than boys, along with smaller vertebrae and greater flexibility. Based on biomechanical modeling, we hypothesized that smaller vertebral width relative to intervertebral disc (IVD) height would be associated with both greater lateral flexibility of the spine and with idiopathic scoliosis...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449965/comparison-of-a-newer-versus-older-protocol-for-circumferential-minimally-invasive-surgical-cmis-correction-of-adult-spinal-deformity-asd-evolution-over-a-10-year-experience
#10
Neel Anand, Jason Ezra Cohen, Ryan Baruch Cohen, Babak Khandehroo, Sheila Kahwaty, Eli Baron
STUDY DESIGN: Retrospective. OBJECTIVES: Compare circumferential minimally invasive surgical (CMIS) correction outcomes of patients treated for adult spinal deformity (ASD) with a newer versus older protocol SUMMARY OF BACKGROUND DATA: CMIS techniques have become increasingly popular. Increasing experience and learning curve may help improve outcomes. METHODS: A prospectively collected database was queried for all patients who underwent CMIS correction of ASD (Cobb angle >20° or sagittal vertical axis [SVA] >50 mm or pelvic incidence-lumbar lordosis mismatch >10) at 3+ levels...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449964/recurrence-of-deep-surgical-site-infection-in-cerebral-palsy-after-spinal-fusion-is-rare
#11
Amit Jain, Urvij M Modhia, Dolores B Njoku, Suken A Shah, Peter O Newton, Michelle C Marks, Tracey P Bastrom, Firoz Miyanji, Paul D Sponseller
STUDY DESIGN: Retrospective review of prospective registry. OBJECTIVES: To assess the following in children with cerebral palsy (CP) who develop deep surgical site infection (DSSI) after spinal fusion: (1) rate of infection recurrence after treatment; (2) treatments used; (3) radiographic outcomes; and (4) differences in Caregiver Priorities and Child Health Index of Life with Disabilities (CPCHILD) scores versus those of children with no infection (NI). SUMMARY OF BACKGROUND DATA: Studies show high rates of surgical site infection in patients with CP but do not address late recurrence or quality-of-life effects...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449963/sequential-magnetic-resonance-imaging-reveals-individual-level-deformities-of-vertebrae-and-discs-in-the-growing-scoliotic-spine
#12
Bethany E Keenan, Maree T Izatt, Geoffrey N Askin, Robert D Labrom, Damon D Bennett, Mark J Pearcy, Clayton J Adam
STUDY DESIGN: The aim of this study was to measure contributions of individual vertebra and disc wedging to coronal Cobb angle in the growing scoliotic spine using sequential magnetic resonance imaging (MRI). Clinically, the Cobb angle measures the overall curve in the coronal plane but does not measure individual vertebra and disc wedging. It was hypothesized that patients whose deformity progresses will have different patterns of coronal wedging in vertebrae and discs to those of patients whose deformities remain stable...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449962/posterior-versus-three-column-osteotomy-for-late-correction-of-residual-coronal-deformity-in-patients-with-previous-fusions-for-idiopathic-scoliosis
#13
Stephen J Lewis, Sam G Keshen, So Kato, Aaron M Gazendam
STUDY DESIGN: Retrospective case series. OBJECTIVE: To compare the early results of posterior column (PCO) and three-column (3CO) osteotomies performed in patients with previously fused idiopathic scoliosis and review their abilities to achieve coronal correction of residual deformities. SUMMARY OF BACKGROUND DATA: Residual deformity of previously fused AIS can accelerate adjacent segment degeneration secondary to lowest instrumented vertebra (LIV) tilt and rotation...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449961/risk-factors-of-proximal-junctional-kyphosis-in-adolescent-idiopathic-scoliosis-the-pelvis-and-other-considerations
#14
Baron S Lonner, Yuan Ren, Peter O Newton, Suken A Shah, Amer F Samdani, Harry L Shufflebarger, Jahangir Asghar, Paul Sponseller, Randal R Betz, Burt Yaszay
STUDY DESIGN: Prospective multicenter database study. OBJECTIVES: To assess the incidence of proximal junctional kyphosis (PJK) in operative adolescent idiopathic scoliosis (AIS) using contemporary surgical techniques and to identify risk factors for PJK. SUMMARY OF BACKGROUND DATA: The incidence of PJK has been reported as high as 46% in AIS. Factors associated with PJK have been incompletely explored. METHODS: Prospectively enrolled 851 AIS patients (2000-2011, 78...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449960/evaluating-the-change-in-axial-vertebral-rotation-following-thoracoscopic-anterior-scoliosis-surgery-using-low-dose-computed-tomography
#15
J Paige Little, Maree T Izatt, Clayton J Adam, Olivia Lofgren, Anna Sundberg, Robert D Labrom, Geoffrey N Askin
BACKGROUND CONTEXT: In recent years, there has been increasing appreciation of the need to treat scoliosis as a three-dimensional deformity. PURPOSE: Assessment of surgical strategies and outcomes should consider not only the coronal plane correction but also derotation of the transverse plane deformity that can affect trunk appearance. STUDY DESIGN: This study included a cohort of 29 female adolescent idiopathic scoliosis patients who received thoracoscopic single rod anterior fusion (TASF) surgery...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449959/resource-utilization-in-adolescent-idiopathic-scoliosis-surgery-is-there-opportunity-for-standardization
#16
Baron S Lonner, Courtney S Toombs, Justin C Paul, Suken A Shah, Harry L Shufflebarger, John M Flynn, Peter O Newton
INTRODUCTION: Recent healthcare reforms have raised the importance of cost and value in the management of disease. Value is a function of benefit and cost. Understanding variability in resources utilized by individual surgeons to achieve similar outcomes may provide an opportunity for cutting costs though greater standardization. The purpose of this study is to evaluate differences in use of implants and hospital resources among surgeons performing adolescent idiopathic scoliosis (AIS) surgery...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449958/predicting-3d-thoracic-kyphosis-using-traditional-2d-radiographic-measurements-in-adolescent-idiopathic-scoliosis
#17
Kevin C Parvaresh, Emily J Osborn, Fredrick G Reighard, Joshua Doan, Tracey P Bastrom, Peter O Newton
STUDY DESIGN: Retrospective. OBJECTIVE: To develop and validate a prediction formula to estimate three-dimensional (3D) T5-T12 kyphosis in adolescent idiopathic scoliosis (AIS) from standard two-dimensional (2D) radiographic measurements. SUMMARY OF BACKGROUND DATA: 2D measurements of thoracic kyphosis in AIS patients overestimate 3D kyphosis; however, there is a lack of widespread availability of 3D imaging technology. METHODS: Retrospective review was performed for AIS patients with right thoracic curves evaluated with EOS Imaging from January 2010 to June 2014...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28449957/assessment-of-breast-asymmetry-in-adolescent-idiopathic-scoliosis-using-an-automated-3d-body-surface-measurement-technique
#18
Joyce Ramsay, Lama Seoud, Soraya Barchi, Farida Cheriet, Julie Joncas, Isabelle Turgeon, Philippe Debanné, Isabelle Trop, Hubert Labelle, Stefan Parent
STUDY DESIGN: Cohort study. OBJECTIVES: To assess breast asymmetry (BA) directly with 3D surface imaging and to validate it using MRI values from a cohort of 30 patients with significant adolescent idiopathic scoliosis (AIS). Also, to study the influence of posture (prone vs standing) on BA using the automated method on both modalities. SUMMARY OF BACKGROUND DATA: BA is a common concern in young female patients with AIS. In a previous study using MRI, we found that the majority of patients with significant AIS experienced BA of up to 21% in addition to their chest wall deformity...
May 2017: Spine Deformity
https://www.readbyqxmd.com/read/28259272/current-evidence-regarding-diagnostic-imaging-methods-for-pediatric-lumbar-spondylolysis-a-report-from-the-scoliosis-research-society-evidence-based-medicine-committee
#19
Charles G T Ledonio, Douglas C Burton, Charles H Crawford, Robert Shay Bess, Jacob M Buchowski, Serena S Hu, Baron S H Lonner, David W Polly, Justin S Smith, James O Sanders
BACKGROUND: Spondylolysis is common among the pediatric population, yet no formal systematic literature review regarding diagnostic imaging has been performed. The Scoliosis Research Society (SRS) requested an assessment of the current state of peer reviewed evidence regarding pediatric spondylolysis. METHODS: Literature was searched professionally and citations retrieved. Abstracts were reviewed and analyzed by the SRS Evidence-Based Medicine Committee. Level I studies were considered to provide Good Evidence for the clinical question...
March 2017: Spine Deformity
https://www.readbyqxmd.com/read/28259271/influence-of-sequential-ponte-osteotomies-on-the-human-thoracic-spine-with-a-rib-cage
#20
Erin M Mannen, Paul M Arnold, John T Anderson, Elizabeth A Friis
STUDY DESIGN: Biomechanical cadaveric study. OBJECTIVES: The purpose of this study was to determine the change in range of motion (ROM) of the human thoracic spine and rib cage due to sequential Ponte osteotomies (POs). SUMMARY OF BACKGROUND DATA: POs are often performed in deformity correction surgeries to provide flexibility in the sagittal plane at an estimated correction potential of 5° per PO, but no studies have evaluated the biomechanical impact of the procedure on a cadaveric model with an intact rib cage...
March 2017: Spine Deformity
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