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Spine Deformity

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https://www.readbyqxmd.com/read/29287827/reply-to-concerning-crawford-3rd-ch-larson-n-gates-m-et-al-spine-deformity-5-2017-284-302
#1
LETTER
Charles H Crawford, James O Sanders, Douglas C Burton
No abstract text is available yet for this article.
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287826/letter-to-the-editor-concerning-crawford-3rd-ch-larson-n-gates-m-et-al-spine-deformity-5-2017-284-302
#2
LETTER
Robert William Gaines
No abstract text is available yet for this article.
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287825/reply-to-concerning-altaf-f-drinkwater-j-phan-k-cree-a-k-spine-deformity-2017-5-303-309
#3
LETTER
Farhaan Altaf
No abstract text is available yet for this article.
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287824/letter-to-the-editor-concerning-altaf-f-drinkwater-j-phan-k-cree-a-k-spine-deformity-5-2017-308-309
#4
LETTER
Daniel Y T Fong, Chun-Fan Lee, Jack C Y Cheng, Keith D K Luk
No abstract text is available yet for this article.
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287823/posterior-only-vertebral-column-resection-for-fused-spondyloptosis
#5
Jeffrey L Gum, Lawrence G Lenke, Anand Mohapatra, Sam Q Sun, Michael P Kelly
STUDY DESIGN: Retrospective review. OBJECTIVES: To describe 3 cases of a posterior-only vertebral column resection (pVCR) for the treatment of spondyloptosis in the setting of prior spinal fusions. SUMMARY OF BACKGROUND DATA: Lumbosacral spondyloptosis is a rare spinal deformity with a number of surgical options, none of which demonstrate clear superiority. The use of an L5 vertebral column resection, via combined anterior and posterior approaches, to restore lumbosacral alignment has been described though is accompanied by high rates of neurological deficit...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287822/srs-22r-minimum-clinically-important-difference-and-substantial-clinical-benefit-after-adult-lumbar-scoliosis-surgery
#6
Leah Y Carreon, Michael P Kelly, Charles H Crawford, Christine R Baldus, Steven D Glassman, Christopher I Shaffrey, Keith H Bridwell
STUDY DESIGN: Longitudinal cohort. OBJECTIVES: To determine if the minimum clinically important difference (MCID) and substantial clinical benefit (SCB) thresholds for the Scoliosis Research Society-22R (SRS22R) domains in patients with degenerative lumbar scoliosis are similar to those in patients with adult spinal deformity (ASD) with fusions extending into the thoracic spine. SUMMARY OF BACKGROUND DATA: The MCID and SCB thresholds for the SRS22R domains in patients with ASD and adolescent idiopathic scoliosis have been reported...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287821/s2-alar-iliac-fixation-in-long-segment-constructs-a-two-to-five-year-follow-up
#7
Evan J Smith, Justin Kyhos, Robert Dolitsky, Warren Yu, Joseph O'Brien
STUDY DESIGN: Retrospective review of patients having undergone S2 alar-iliac (S2AI) fixation for long fusions with a minimum two-year follow-up. OBJECTIVES: To report on fusion rates, complications, technique-specific complications of patients having undergone S2AI fixation. SUMMARY OF BACKGROUND DATA: Sacropelvic fixation continues to be a challenge when performing long fusions to the pelvis. S2AI screws have been found to provide solid biomechanical fixation and have been found to have good clinical results in short-term follow-up for pediatric and adult patients...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287820/health-related-quality-of-life-scores-underestimate-the-impact-of-major-complications-in-lumbar-degenerative-scoliosis-surgery
#8
Steven D Glassman, Keith H Bridwell, Christopher I Shaffrey, Charles C Edwards, Jon D Lurie, Christine R Baldus, Leah Y Carreon
STUDY DESIGN: Retrospective cohort. OBJECTIVE: To examine Charlson Comorbidity Index (CCMI) as a marker for deterioration in health status not reflected in standard Health Related Quality of Life (HRQOL) measures. SUMMARY OF BACKGROUND DATA: HRQOL has become a primary metric for assessing outcomes following spinal deformity surgery. However, studies have reported limited impact of complications on postoperative HRQOL outcomes. METHODS: We examined serial CCMI, complications, and HRQOL outcomes for 138 adult lumbar deformity patients treated surgically with a minimum two-year follow-up that included 126 females (91%) with a mean age of 59...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287819/adult-spinal-deformity-knowledge-in-orthopedic-spine-surgeons-impact-of-fellowship-training-experience-and-practice-characteristics
#9
Zachary J Grabel, Robert A Hart, Aaron P Clark, Sara Heejung Park, Christopher I Shaffrey, Justin K Scheer, Justin S Smith, Michael P Kelly, J Mason DePasse, Munish C Gupta, Christopher P Ames, Alan H Daniels
STUDY DESIGN: Survey study. OBJECTIVE: The purpose of this paper was to assess the level of adult spine deformity (ASD) knowledge among orthopedic spine surgeons and identify areas for improvement in spine surgery training. SUMMARY OF BACKGROUND DATA: ASD is increasingly encountered in spine surgery practice. While ASD knowledge among neurosurgeons has been evaluated, ASD knowledge among orthopedic spine surgeons has not previously been reported...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287818/youth-and-experience-the-effect-of-surgeon-experience-on-outcomes-in-cerebral-palsy-scoliosis-surgery
#10
Patrick J Cahill, Amer F Samdani, Christopher M Brusalis, Todd Blumberg, Jahangir Asghar, Tracey P Bastrom, Saba Pasha, Christian A Refakis, Joshua M Pahys, John M Flynn, Paul D Sponseller
BACKGROUND: Series on the learning curve in spinal deformity surgery have been published, but none has addressed neuromuscular spinal deformity, comprised of arguably the most complex cases. We present the first multi-center analysis of the impact of surgeon experience on neuromuscular spinal deformity surgery. METHODS: A multi-center prospective study of spinal deformity surgery for cerebral palsy (CP) with at least 2 years of follow-up provided the dataset for assessment...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287817/metal-ion-release-during-growth-friendly-instrumentation-for-early-onset-scoliosis-a-preliminary-study
#11
Caglar Yilgor, Ayaz Efendiyev, Filiz Akbiyik, Gokhan Demirkiran, Alpaslan Senkoylu, Ahmet Alanay, Muharrem Yazici
BACKGROUND: Metal ions released from spinal instruments can cause localized debris and distribute systemically to settle on distant organs. Children with early-onset deformities live with metallic implants for a substantial amount of time. No research focused on metal distribution in growth-friendly instrumentations. The aim of this study was to compare age-matched growing rod (GR) and magnetically controlled growing rod (MCGR) groups to noninstrumented controls. METHODS: The study was designed as a multicenter, prospective, cross-sectional case series...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287816/comparison-of-percentile-weight-gain-of-growth-friendly-constructs-in-early-onset-scoliosis
#12
Liam R Harris, Lindsay M Andras, Paul D Sponseller, Charles E Johnston, John B Emans, David L Skaggs
STUDY DESIGN: Multicenter retrospective cohort. OBJECTIVE: To compare improvement in nutritional status seen in early-onset scoliosis (EOS) patients following treatment with various growth-friendly techniques, especially in underweight patients (<20th weight percentile). BACKGROUND: Thoracic insufficiency resulting from EOS can lead to severe cardiopulmonary disease. In this age group, pulmonary function tests are often difficult or impossible to perform...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287815/preventing-distal-junctional-kyphosis-by-applying-the-stable-sagittal-vertebra-concept-to-selective-thoracic-fusion-in-adolescent-idiopathic-scoliosis
#13
Joshua Yang, Lindsay M Andras, Alexander M Broom, Nicholas R Gonsalves, Kody K Barrett, Andrew G Georgiadis, John M Flynn, Vernon T Tolo, David L Skaggs
STUDY DESIGN: Multicenter retrospective review. OBJECTIVE: To assess the effectiveness of using the stable sagittal vertebra (SSV) for selecting the lowest instrumented vertebrae (LIV) to prevent distal junctional kyphosis (DJK) in selective thoracic fusions. SUMMARY OF BACKGROUND DATA: Cho et al. reported that including the SSV in a fusion decreased the rate of DJK in thoracic hyperkyphosis. METHODS: A retrospective review was performed of patients from two pediatric hospitals with adolescent idiopathic scoliosis who underwent selective posterior thoracic fusion with the LIV at L2 or above from 2000 to 2012...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287814/factors-predictive-of-outcomes-in-vertebral-body-stapling-for-idiopathic-scoliosis
#14
Patrick J Cahill, Michael Auriemma, Elias Dakwar, John P Gaughan, Amer F Samdani, Joshua M Pahys, Randal R Betz
STUDY DESIGN: Retrospective review. OBJECTIVES: To identify factors associated with successful outcomes in patients treated with vertebral body stapling (VBS) for idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: The standard of care for moderate scoliosis (20°-45°) consists of observation and bracing with the goal of halting curve progression. Although several recent studies have confirmed the efficacy of bracing in altering the natural history of scoliosis, bracing is not universally effective...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287813/pedicle-screw-with-increased-cortical-purchase-can-be-inserted-with-same-accuracy-as-the-screw-in-straightforward-trajectory-using-3d-modeling-landmarks
#15
Michal Szczodry, Giovanni F Solitro, Farid Amirouche, Priyesh Patel
STUDY DESIGN: Comparison, in terms of insertion accuracy and biomechanical performance, between an increased cortical purchase and straightforward pedicle screw trajectory. OBJECTIVE: This study aims to compare a trajectory with increased cortical purchase to the more common straightforward trajectory in terms of strength and insertion accuracy using real-time navigation. SUMMARY OF BACKGROUND DATA: In previous studies, it was suggested that pedicle screw pullout strength is strongly correlated with bone mineral density, and using a more cortical tract allows a greater portion of the denser bone, the cortex, to be in contact with the screw...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287812/the-true-ponte-osteotomy-by-the-one-who-developed-it
#16
Alberto Ponte, Giuseppe Orlando, Gian Luigi Siccardi
STUDY DESIGN: Technique and applications. OBJECTIVES: To define the anatomy, biomechanics, indications, and surgical technique of the true Ponte osteotomy. SUMMARY OF BACKGROUND DATA: The Ponte osteotomy, originally developed for thoracic kyphosis, was the first one to obtain posterior shortening of the thoracic spine, maintaining the anterior column load-sharing capacity. It has become a widely applied technique in various types of spine deformities and a frequent topic of presentations at meetings and in scientific articles...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287811/biomechanical-simulation-of-stresses-and-strains-exerted-on-the-spinal-cord-and-nerves-during-scoliosis-correction-maneuvers
#17
Juan Henao, Hubert Labelle, Pierre-Jean Arnoux, Carl-Éric Aubin
STUDY DESIGN: Biomechanical analysis of the spinal cord and nerves during scoliosis correction maneuvers through numerical simulations. OBJECTIVE: To assess the biomechanical effects of scoliosis correction maneuvers and stresses generated on the spinal nervous structures. BACKGROUND DATA: Important forces are applied during scoliosis correction surgery, which could potentially lead to neurologic complications due to stresses exerted on the nervous structures...
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29287810/editorial
#18
EDITORIAL
John E Lonstein
No abstract text is available yet for this article.
January 2018: Spine Deformity
https://www.readbyqxmd.com/read/29050722/adjacent-segment-disease-44-years-following-posterior-spinal-fusion-for-congenital-lumbar-kyphosis
#19
Avionna Baldwin, Addisu Mesfin
STUDY DESIGN: Case report. OBJECTIVE: To report the clinical and imaging findings of a patient with lumbar stenosis 44 years after posterior spinal fusion for congenital lumbar kyphosis. SUMMARY OF BACKGROUND DATA: To our knowledge, there are no long-term follow-up reports after posterior spine fusion (PSF) for congenital kyphosis. Congenital kyphosis is an uncommon deformity with the potential to progress rapidly and result in deformity and neurologic deficits...
November 2017: Spine Deformity
https://www.readbyqxmd.com/read/29050721/acute-kidney-injury-secondary-to-cell-saver-in-posterior-spinal-fusion
#20
Anas A Minkara, Albert Y Lin, Michael G Vitale, David P Roye
BACKGROUND: Autologous blood transfusion, commonly referred to as cell saver, is frequently used in spinal fusion to salvage red blood cells because of the risk of significant intraoperative blood loss. This case report describes a case of acute kidney injury (AKI) secondary to cell saver use. Our objective is to increase the knowledge about the process of red blood cell salvage and this exceedingly rare complication. METHODS: Chart and renal biopsy results for a single case were reviewed and reported in this retrospective study...
November 2017: Spine Deformity
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