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Adult spinal deformity

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https://www.readbyqxmd.com/read/28225365/magnitude-location-and-factors-related-to-regional-and-global-sagittal-alignment-change-in-long-adult-deformity-constructs-report-of-183-patients-with-2-year-follow-up
#1
Alexander A Theologis, Michael Safaee, Justin K Scheer, Virginie Lafage, Rick Hostin, Robert A Hart, Eric O Klineberg, Themistocles S Protopsaltis, Vedat Deviren, Douglas C Burton, Daniel M Sciubba, Khaled Kebaish, Shay Bess, Christopher I Shaffrey, Frank Schwab, Justin S Smith, Christopher P Ames
STUDY DESIGN: This is a retrospective review of a prospective multicenter adult spinal deformity (ASD) database. OBJECTIVE: To quantify the location and magnitude of sagittal alignment changes within instrumented and noninstrumented spinal segments and to investigate the factors associated with these changes after surgery for ASD. SUMMARY OF BACKGROUND DATA: Spinal realignment is one of the major goals in ASD surgery and changes in the alignment are common following surgical correction...
February 20, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28207663/role-of-ethnicity-in-alignment-compensation-propensity-matched-analysis-of-differential-compensatory-mechanism-recruitment-patterns-for-sagittal-malalignment-in-288-asd-patients-from-japan-korea-and-united-states
#2
Bassel G Diebo, Isaac Gammal, Yoon Ha, Seung Hwan Yoon, Jae Won Chang, Byeongwoo Kim, Morio Matsumoto, Yu Yamato, Daisaku Takeuchi, Naobumi Hosogane, Mitsuru Yagi, Hiroshi Taneichi, Frank Schwab, Virginie Lafage, Christopher Ames
STUDY DESIGN: Retrospective review of adult spinal deformity patients in a multiethnic database. OBJECTIVE: To investigate the role of ethnicity on recruitment of compensatory mechanisms for sagittal spinal deformity. SUMMARY OF BACKGROUND DATA: While the impacts of age, sex, and pelvic morphology on the ability to compensate for sagittal malalignment have been investigated, the role of ethnicity in compensatory mechanism recruitment is poorly understood...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28192259/impact-of-intraoperative-monitoring-during-elective-complex-spinal-fusions-%C3%A2-4-levels-on-30-day-complication-and-readmission-rates-a-single-institutional-study-of-643-adult-spinal-deformity-patients
#3
Aladine A Elsamadicy, Owoicho Adogwa, Emily Lydon, Gireesh Reddy, Rayan Kaakati, Amanda Sergesketter, Oren N Gottfried, Isaac O Karikari
OBJECTIVE: The aim of this study is to determine if there are differences in 30-day postoperative complication and readmission rates between spinal deformity patients undergoing complex spinal fusion with and without intraoperative monitoring. METHODS: The medical records of 643 adult spine deformity patients undergoing elective complex spinal fusion (≥4 levels) at a major academic institution from 2005 to 2015 were reviewed. We identified 122 (19%) cases that involved intraoperative monitoring (IOM) including EMG, SSEP, and/or TcMEP and 521 (81%) that did not (IOM: n=122; No-IOM: n=521)...
February 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28187069/virtual-modeling-of-postoperative-alignment-following-adult-spinal-deformity-asd-surgery-helps-predict-associations-between-compensatory-spinopelvic-alignment-changes-overcorrection-and-proximal-junctional-kyphosis-pjk
#4
Renaud Lafage, Shay Bess, Steve Glassman, Christopher Ames, Doug Burton, Robert Hart, Han Jo Kim, Eric Klineberg, Jensen Henry, Breton Line, Justin Scheer, Themistocles Protopsaltis, Frank Schwab, Virginie Lafage
STUDY DESIGN: Retrospective review of a prospective multicenter database. OBJECTIVE: To develop a method to analyze sagittal alignment, free of PJK's influence, and then compare PJK to non-PJK patients using this method. SUMMARY OF BACKGROUND DATA: Proximal Junctional Kyphosis (PJK) following Adult Spinal Deformity (ASD) surgery remains problematic as it alters sagittal alignment. This study proposes a novel virtual modeling technique that attempts to eliminate the confounding effects of PJK on postoperative spinal alignment...
February 9, 2017: Spine
https://www.readbyqxmd.com/read/28186473/minimally-invasive-scoliosis-surgery-assisted-by-o-arm-navigation-for-lenke-type-5c-adolescent-idiopathic-scoliosis-a-comparison-with-standard-open-approach-spinal-instrumentation
#5
Weiguo Zhu, Weixiang Sun, Leilei Xu, Xu Sun, Zhen Liu, Yong Qiu, Zezhang Zhu
OBJECTIVE Recently, minimally invasive scoliosis surgery (MISS) was introduced for the correction of adult scoliosis. Multiple benefits including a good deformity correction rate and fewer complications have been demonstrated. However, few studies have reported on the use of MISS for the management of adolescent idiopathic scoliosis (AIS). The purpose of this study was to investigate the outcome of posterior MISS assisted by O-arm navigation for the correction of Lenke Type 5C AIS. METHODS The authors searched a database for all patients with AIS who had been treated with either MISS or PSF between November 2012 and January 2014...
February 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28185981/analysis-of-the-s2-alar-iliac-screw-as-compared-with-the-traditional-iliac-screw-does-it-increase-stability-with-sacroiliac-fixation-of-the-spine
#6
Daniel G Hoernschemeyer, Troy D Pashuck, Ferris M Pfeiffer
BACKGROUND CONTEXT: Arthrodesis of the lumbosacral junction continues to be a challenge in pediatric and adult spinal deformity surgery. PURPOSE: To evaluate the biomechanical rigidity of two types of lumbosacral fixation. Our hypothesis was that the use of S2 alar-iliac (S2AI) fixation will result in statistically similar biomechanical fixation as compared with use of an iliac screw with a 95% confidence interval. STUDY SETTING: Controlled biomechanical laboratory METHODS: Ten human cadaveric lumbosacral specimens were separated into two test groups: (1) S2AI (n=5) and (2) iliac screw (n=5)...
February 6, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28175505/343%C3%A2-results-of-the-2015-srs-survey-on-single-versus-two-attending-surgeon-approach-for-adult-spinal-deformity-surgery
#7
Justin K Scheer, Lloyd Hey, Michael LaGrone, Michael Daubs, Christopher P Ames
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175445/165%C3%A2-what-is-the-effect-of-open-vs-percutaneous-screws-on-complications-among-patients-undergoing-lateral-interbody-fusion-for-adult-spinal-deformity
#8
Khoi Duc Than, Stacie Nguyen, Paul Park, Dean Chou, Frank La Marca, Juan S Uribe, Todd Douglas Vogel, Pierce D Nunley, Robert Eastlack, Neel Anand, Adam S Kanter, Praveen V Mummaneni, Gregory M Mundis
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175415/166%C3%A2-predictive-modeling-of-length-of-hospital-stay-following-adult-spinal-deformity-correction-analysis-of-653-patients-with-an-accuracy-of-75-within-2-days
#9
Justin K Scheer, Tamir T Ailon, Justin S Smith, Robert Hart, Douglas C Burton, Shay Bess, Brian J Neuman, Peter G Passias, Emily Miller, Christopher I Shaffrey, Frank Schwab, Virginie Lafage, Eric Klineberg, Christopher P Ames
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28173513/different-risk-factors-of-proximal-junctional-kyphosis-and-proximal-junctional-failure-following-long-instrumented-fusion-to-the-sacrum-for-adult-spinal-deformity-survivorship-analysis-of-160-patients
#10
Se-Jun Park, Chong-Suh Lee, Sung-Soo Chung, Jun-Young Lee, Sang-Soo Kang, Se-Hwan Park
No abstract text is available yet for this article.
February 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28169941/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
#11
Bassel G Diebo, Cyrus M Jalai, Vincent Challier, Bryan J Marascalchi, Samantha R Horn, Gregory W Poorman, Olivia J Bono, Denis Cherkalin, Nancy Worley, Jason Oh, Qais Naziri, Allison Spitzer, Kris Radcliff, Ashish Patel, Virginie Lafage, Carl B Paulino, Peter G Passias
STUDY DESIGN: Retrospective review of the Nationwide Inpatient Sample from 2001 to 2010, a prospectively collected national database. OBJECTIVE: Structure an index to quantify adult spinal deformity (ASD) surgical risk based on risk factors for medical complications, surgical complications, revisions (R), mortality (M) rates, and length of hospital stay. SUMMARY OF BACKGROUND DATA: Evidence supporting ASD surgery cost-effectiveness and anticipating surgical risk is critical to evaluate the risk/benefit balance of such treatment for patients...
February 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28125524/reliability-and-validity-study-of-the-finnish-adaptation-of-scoliosis-research-society-questionnaire-version-srs-30
#12
Kati Kyrölä, Salme Järvenpää, Jari Ylinen, Jukka-Pekka Mecklin, Jussi Petteri Repo, Arja Häkkinen
STUDY DESIGN: A prospective clinical study to test and adapt a Finnish version of the Scoliosis Research Society 30 (SRS-30) questionnaire. OBJECTIVE: To perform cross-cultural adaptation and evaluate the validity of the adapted Finnish version of the SRS-30 questionnaire. SUMMARY OF BACKGROUND DATA: The SRS-30 questionnaire has proved to be a valid instrument in evaluating health-related quality of life (HRQoL) in adolescent and adult population with spine deformities in the United States...
January 25, 2017: Spine
https://www.readbyqxmd.com/read/28117262/preoperative-functional-status-as-a-predictor-of-short-term-outcome-in-adult-spinal-deformity-surgery
#13
Rafael De la Garza Ramos, C Rory Goodwin, Benjamin D Elder, Akwasi O Boah, Emily K Miller, Amit Jain, Eric O Klineberg, Christopher P Ames, Brian J Neuman, Khaled M Kebaish, Virginie Lafage, Frank Schwab, Shay Bess, Daniel M Sciubba
Adult spinal deformity (ASD) may cause severe disability and difficulty with daily activities. The purpose of this study was to investigate the impact of preoperative functional status on 30-day major complication occurrence in ASD surgery. A review of the prospectively-collected American College of Surgeons National Surgical Quality Improvement database was performed for the years 2007-2013. Inclusion criteria were adult patients (over 21years of age) who underwent spinal fusion for ASD. Functional status was defined as "independent" or "dependent" (requiring assistance from another person) for activities of daily living such as bathing, dressing, feeding, toileting, or mobility...
January 20, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28116510/teriparatide-versus-low-dose-bisphosphonates-before-and-after-surgery-for-adult-spinal-deformity-in-female-japanese-patients-with-osteoporosis
#14
Shoji Seki, Norikazu Hirano, Yoshiharu Kawaguchi, Masato Nakano, Taketoshi Yasuda, Kayo Suzuki, Kenta Watanabe, Hiroto Makino, Masahiko Kanamori, Tomoatsu Kimura
PURPOSE: Complications of adult spinal deformity surgery are problematic in osteoporotic individuals. We compared outcomes between Japanese patients treated perioperatively with teriparatide vs. low-dose bisphosphonates. METHODS: Fifty-eight osteoporotic adult Japanese female patients were enrolled and assigned to perioperative teriparatide (33 patients) and bisphosphonate (25 patients) groups in non-blinded fashion. Pre- and post-operative X-ray and computed tomography imaging were used to assess outcome, and rates were compared between the groups and according to age...
January 23, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28108423/isolated-transverse-process-fractures-a-systematic-analysis
#15
REVIEW
Daniel T Nagasawa, Timothy T Bui, Carlito Lagman, Seung J Lee, Lawrance K Chung, Tianyi Niu, Alexander Tucker, Bilwaj Gaonkar, Isaac Yang, Luke Macyszyn
OBJECTIVE: To review the literature on isolated transverse process fractures (ITPFs) and provide evidence for and validate the current practice of conservative management. METHODS: The PubMed database was searched for published literature related to ITPFs. Baseline patient (age, sex, presentation, mechanism of injury) and fracture (number of fractures, level, single or multi-segmental) characteristics were extracted. Management, and outcomes were also recorded. Statistical comparisons were ascertained through N-1 Pearson Chi-squared tests...
January 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28098740/adult-scoliosis-deformity-surgery-comparison-of-outcomes-between-1-vs-2-attending-surgeons
#16
Jaime A Gomez, Virginie Lafage, Daniel M Scuibba, Shay Bess, Gregory M Mundis, Barthelemy Liabaud, Regina Hanstein, Christopher Shaffrey, Michael Kelly, Christopher Ames, Justin S Smith, Peter G Passias, Thomas Errico, Frank Schwab
STUDY DESIGN: Retrospective review of prospectively collected data. OBJECTIVE: Assess outcomes of adult spinal deformity (ASD) surgery performed by 1 vs. 2 attending surgeons. SUMMARY OF BACKGROUND DATA: ASD centers have developed 2-attending teams in order to improve efficiency; their effects on complications and outcomes have not been reported. METHODS: ASD patients with ≥5 levels fused and > 2-year follow-up were included...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28087395/lumbar-spinal-muscles-and-spinal-canal-study-by-mri-three-dimensional-reconstruction-in-adult-lumbar-spinal-stenosis
#17
L Boissière, B Moal, O Gille, E De-Roquefeuil, M Durieux, I Obeid, V Dousset, J-M Vital, W Skalli
BACKGROUND: Lumbar spinal stenosis is degenerative disc disease most common manifestation. If stenosis degree seems poorly related to symptom severity, lumbar muscles role is recognized. Many studies report imaging methods, to analyze muscle volumes and fat infiltration (FI), but remain limited due to the difficulty to represent entire muscle volume variability. Recently a 3D muscle reconstruction protocol (using the deformation of a parametric specific object method (DPSO) and three-point Dixon images) was reported...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28067697/national-administrative-databases-in-adult-spinal-deformity-surgery-a-cautionary-tale
#18
Aaron J Buckland, Gregory Poorman, Robert Freitag, Cyrus Jalai, Eric O Klineberg, Michael Kelly, Peter G Passias
STUDY DESIGN: Comparison between national administrative databases and a prospective multicenter physician managed database. OBJECTIVES: This study aims to assess the applicability of National Administrative Databases (NADs) in Adult Spinal Deformity (ASD). Our hypothesis is that NADs do not include comparable patients as in a physician-managed database (PMD) for surgical outcomes in adult spinal deformity. SUMMARY OF BACKGROUND DATA: NADs such as National Inpatient Sample (NIS) and National Surgical Quality Improvement Program (NSQIP) provide large numbers of publications owing to ease of data access and lack of IRB approval requirement...
January 6, 2017: Spine
https://www.readbyqxmd.com/read/28065817/reproducibility-of-sagittal-radiographic-parameters-in-adolescent-idiopathic-scoliosis-a-guide-to-reference-values-using-serial-imaging
#19
Hwee Weng Dennis Hey, Gordon Chengyuan Wong, Chloe Chan Xiaoyun, Leok-Lim Lau, Naresh Kumar, Joseph Shantakumar Thambiah, John Nathaniel Ruiz, Ka-Po Gabriel Liu, Hee-Kit Wong
BACKGROUND CONTEXT: Knowledge of sagittal radiographical parameters in AIS patients has not yet caught up with our understanding of their roles in patients with adult spinal deformity. It is likely that more emphasis will be placed in restoring sagittal parameters for AIS patients in the future. Therefore we need to understand how these parameters may vary in AIS to facilitate management plans. PURPOSE: To determine the reproducibility of sagittal spinal parameters on lateral film radiographs in patients with AIS...
January 5, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28059982/morbidity-of-adult-spinal-deformity-surgery-in-elderly-has-declined-over-time
#20
Peter G Passias, Gregory W Poorman, Cyrus M Jalai, Brian Neuman, Rafael de la Garza-Ramos, Emily Miller, Amit Jain, Daniel Sciubba, Shearwood McClelland, Louis Day, Subbu Ramachadran, Shaleen Vira, Bassel Diebo, Evan Isaacs, Olivia Bono, Shay Bess, Michael Gerling, Virginie Lafage
STUDY DESIGN: A retrospective review of a prospectively collected database, the Nationwide Inpatient Sample (NIS), years 2003 to 2012. OBJECTIVES: The aim of this study was to examine trends in the management of scoliosis in elderly (age >75 yrs) patients from 2003 to 2012. SUMMARY OF BACKGROUND DATA: Scoliosis incidence rises with increasing age, and age has been shown to be an independent risk factor for surgical complications in scoliosis surgery...
January 4, 2017: Spine
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