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Proximal junction kyphosis

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https://www.readbyqxmd.com/read/29772864/-analysis-of-delayed-infection-of-proximal-junctional-zone-after-posterior-spinal-internal-fixation-and-its-treatment-strategy
#1
Gong-Qun Jiang, Yong-Heng Liu, De-Yuan Chen, Yong-Ai Liu
OBJECTIVE: To explore the features and treatment strategy of delayed infection of proximal junctional zone after posterior spinal internal fixation. METHODS: The clinical data of 1325 patients underwent posterior spinal internal fixation were retrospectively analyzed. Delayed infection occurred in 10 patients, among which 4 infections occurred at the proximal junction (non-operative site). And these 4 patients were treated with combined broad-spectrum antibiotics...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29735133/optimal-lowest-instrumented-vertebra-for-thoracic-adolescent-idiopathic-scoliosis
#2
Charla R Fischer, Lawrence G Lenke, Keith H Bridwell, Oheneba Boachie-Adjei, Munish Gupta, Yongjung J Kim
STUDY DESIGN: Retrospective cohort chart review. OBJECTIVE: To determine the optimal lowest instrumented vertebra (LIV) following posterior segmental spinal instrumented fusion (PSSIF) of thoracic adolescent idiopathic scoliosis (AIS) with LIV at L2 or above. SUMMARY OF BACKGROUND DATA: Few studies evaluate the optimal LIV based on rotation or center sacral vertical line (CSVL). METHODS: A radiographic assessment of 544 thoracic major AIS patients (average age 14...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29728924/the-impact-of-deep-surgical-site-infection-on-surgical-outcomes-after-posterior-adult-spinal-deformity-surgery-a-matched-control-study
#3
Sleiman Haddad, Susana Núñez-Pereira, Carlos Pigrau, Dolors Rodríguez-Pardo, Alba Vila-Casademunt, Ahmet Alanay, Emre R Acaroglu, Frank S Kleinstueck, Ibrahim Obeid, Francisco Javier Sanchez Perez-Grueso, Ferran Pellisé
PURPOSE: The impact of deep surgical site infection (SSI) on surgical outcomes after adult spinal deformity (ASD) surgery is still unclear. We aimed to study the morbidity of SSI in ASD and its impact on deformity correction and functional outcome. METHODS: Prospective multicenter matched-cohort study including consecutively enrolled ASD patients. Patients developing SSI were matched to similar controls in terms of age, gender, ASA, primary or revision, extent of fusion, and use of tri-columnar osteotomies...
May 4, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29727414/comprehensive-assessment-of-outcomes-from-patients-with-severe-early-onset-scoliosis-treated-with-a-vertebral-column-resection-results-from-an-srs-global-outreach-site-focos-in-ghana
#4
Kushagra Verma, Casey Slattery, Henry Duah, Kawdwo P Yankey, Gregory Mundis, Oheneba Boachie-Adjel
BACKGROUND: Early-onset scoliosis (EOS) remains a challenging pediatric spine condition to manage. Some severe deformities can be managed with a vertebral column resection (VCR), which is fraught with high complication rates and the outcomes have not been well reported. The purpose of this study is to provide an assessment of operative, radiographic, and clinical outcomes from children diagnosed with severe EOS treated with a VCR. METHODS: We performed a retrospective review of prospectively collected data...
April 30, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29721354/unilateral-s2-alar-iliac-screws-for-spinopelvic-fixation
#5
Alireza K Nazemi, Anirudh K Gowd, Alexander R Vaccaro, Jonathan J Carmouche, Caleb J Behrend
Background: This study compared the clinical complications, radiographic measurements of deformity, and quality of life outcomes for patients with de novo scoliosis undergoing thoracolumbar fusions for spinopelvic fixation (SPF) utilizing unilateral S2 alar-iliac (S2AI) screw or unilateral iliac bolt fixation. Methods: This retrospective review was performed in 29 patients who underwent SPF at one institution; 10 patients received unilateral S2AI screws, and 19 patients received unilateral iliac bolts...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29712521/the-unreimbursed-costs-of-preventing-revision-surgery-in-adult-spinal-deformity-analysis-of-cost-effectiveness-of-proximal-junctional-failure-prevention-with-ligament-augmentation
#6
Michael M Safaee, Cecilia L Dalle Ore, Corinna C Zygourakis, Vedat Deviren, Christopher P Ames
OBJECTIVE Proximal junctional kyphosis (PJK) is a well-recognized complication of surgery for adult spinal deformity and is characterized by increased kyphosis at the upper instrumented vertebra (UIV). PJK prevention strategies have the potential to decrease morbidity and cost by reducing rates of proximal junctional failure (PJF), which the authors define as radiographic PJK plus clinical sequelae requiring revision surgery. METHODS The authors performed an analysis of 195 consecutive patients with adult spinal deformity...
May 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29702516/incidence-and-risk-factors-for-proximal-junctional-kyphosis-results-of-a-multicentric-study-of-adult-scoliosis-erratum
#7
(no author information available yet)
No abstract text is available yet for this article.
May 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29689004/assessment-of-proximal-junctional-kyphosis-and-shoulder-balance-with-proximal-screws-vs-hooks-in-posterior-spinal-fusion-for-adolescent-idiopathic-scoliosis
#8
Joshua M Pahys, Andrew C Vivas, Amer F Samdani, Gregory Cunn, Randal R Betz, Peter O Newton, Patrick J Cahill
STUDY DESIGN: A retrospective review of a prospectively collected multicenter database OBJECTIVE.: To assess the effect of proximal hooks vs. screws on proximal junctional kyphosis (PJK) as well as shoulder balance in otherwise all pedicle screw (>80%) posterior spinal fusion (PSF) constructs in adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Less rigid forms of fixation at the top of constructs in degenerative lumbar PSF have been postulated to decrease the risk of PJK...
April 23, 2018: Spine
https://www.readbyqxmd.com/read/29688555/a-pilot-study-on-posterior-polyethylene-tethers-to-prevent-proximal-junctional-kyphosis-after-multilevel-spinal-instrumentation-for-adult-spinal-deformity
#9
Thomas J Buell, Avery L Buchholz, John C Quinn, Shay Bess, Breton G Line, Christopher P Ames, Frank J Schwab, Virginie Lafage, Christopher I Shaffrey, Justin S Smith
BACKGROUND: Proximal junctional kyphosis (PJK) is a common problem after multilevel spine instrumentation. OBJECTIVE: To determine if junctional tethers reduce PJK after multilevel instrumented surgery for adult spinal deformity (ASD). METHODS: ASD patients who underwent posterior instrumented fusion were divided into 3 groups: no tether (NT), polyethylene tether-only (TO; tied securely through the spinous processes of the uppermost instrumented vertebra [UIV] + 1 and UIV-1), and tether with crosslink (TC; passed through the spinous process of UIV+1 and tied to a crosslink between UIV-1 and UIV-2)...
April 24, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29680510/srs-schwab-grade-4-osteotomy-for-congenital-thoracolumbar-kyphosis-a-minimum-of-2-years-follow-up-study
#10
Benlong Shi, Qinghua Zhao, Liang Xu, Zhen Liu, Xu Sun, Zezhang Zhu, Yong Qiu
BACKGROUND: Several osteotomy techniques including pedicle subtraction osteotomy and vertebral column resection have been employed in the correction of congenital kyphosis (CK) and satisfying outcomes have been demonstrated. However, the SRS-Schwab Grade 4 osteotomy, defined as resection of posterior elements, partial vertebral body and superior adjacent disc, is rarely reported in the treatment of CK. PURPOSE: To evaluate the efficiency and safety of SRS-Schwab Grade 4 osteotomy in CK patients, and to propose its optimal indication...
April 19, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29676671/risk-factor-analysis-of-proximal-junctional-kyphosis-after-posterior-osteotomy-in-patients-with-ankylosing-spondylitis
#11
Tianhao Wang, Yongfei Zhao, Yan Liang, Haocong Zhang, Zheng Wang, Yan Wang
OBJECTIVE The aim of this paper was to analyze the incidence and risk factors of proximal junctional kyphosis (PJK) in patients with ankylosing spondylitis (AS) who underwent pedicle subtraction osteotomy. METHODS The records of 83 patients with AS and thoracolumbar kyphosis who underwent surgery at the authors' institution between 2007 and 2013 were reviewed. The patients were divided into 2 groups based on the presence or absence of PJK. The radiographic measurements, including proximal junctional angle (PJA), sagittal parameters, and pelvic parameters of these 2 groups, were compared at different time points: before surgery and 2 weeks, 12 months, and 2 years after surgery...
April 20, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29664817/postoperative-status-of-global-sagittal-alignment-with-compensation-in-adult-spinal-deformity
#12
Satoshi Inami, Hiroshi Moridaira, Daisaku Takeuchi, Haruki Ueda, Yo Shiba, Futoshi Asano, Hiromichi Aoki, Hiroshi Taneichi
STUDY DESIGN: Retrospective study of consecutive patients undergoing surgery for adult spinal deformity (ASD). OBJECTIVE: The aim of this study was to classify postoperative ASD patients by sagittal compensation and characterize the features of each group. SUMMARY OF BACKGROUND DATA: Sagittal compensatory mechanisms to keep the erect position would function in not only non-operative ASD patients, but also in postoperative patients. However, details of sagittal compensatory mechanisms after surgery have been unclear, because the majority of previous studies examined the compensatory mechanisms in non-operative patients METHODS...
April 16, 2018: Spine
https://www.readbyqxmd.com/read/29658340/a-novel-use-of-cement-as-a-salvage-procedure-in-patients-with-complex-spinal-injuries-with-proximal-junctional-failure
#13
K Divani, S Selvadurai, S Molloy
Long-construct fixations can be complicated by proximal junctional kyphosis. In elderly, high-risk patients with numerous comorbidities, lengthy surgical times and increased blood loss associated with revision osteotomies and extension of fusions are not often tolerated and pose serious life-threatening risks. We present a salvage technique used in a patient with proximal junctional failure and demonstrate its role in improving symptoms and functionality in those not deemed fit for major surgery. Pre- and postoperative pain scores in accordance with the visual analogue scale, walking distances and radiographs were reviewed in a patient who underwent the salvage technique to ascertain the subjective and objective difference in pain and functionality...
April 16, 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29649090/reliability-of-rod-lengthening-thoracic-and-spino-pelvic-measurements-on-biplanar-stereoradiography-in-patients-treated-with-magnetically-controlled-growing-rods
#14
Peter Obid, Karen Kar Lum Yiu, Kenneth Mc Cheung, Kenny Kwan, Michael Ruf, Jason Pui Yin Cheung
STUDY DESIGN: Cross-sectional study. OBJECTIVE: To assess the inter- and intraobserver reliability of thoracic, spino-pelvic and rod lengthening measurements made on biplanar spinal stereoradiography (EOS imaging) in children treated with magnetically controlled growing rod (MCGR). SUMMARY OF BACKGROUND DATA: MCGR treatment aims to gain spine length while gradually correcting the spinal deformity. Monitoring thoracic and spino-pelvic parameters are crucial for successful management...
April 11, 2018: Spine
https://www.readbyqxmd.com/read/29629587/an-nihr-approved-two-year-observational-study-on-magnetically-controlled-growth-rods-in-the-treatment-of-early-onset-scoliosis
#15
C Nnadi, C Thakar, J Wilson-MacDonald, P Milner, A Rao, D Mayers, J Fairbank, T Subramanian
Aims The primary aim of this study was to evaluate the performance and safety of magnetically controlled growth rods in the treatment of early onset scoliosis. Secondary aims were to evaluate the clinical outcome, the rate of further surgery, the rate of complications, and the durability of correction. Patients and Methods We undertook an observational prospective cohort study of children with early onset scoliosis, who were recruited over a one-year period and followed up for a minimum of two years. Magnetically controlled rods were introduced in a standardized manner with distractions performed three-monthly thereafter...
April 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29608699/development-of-proximal-junctional-kyphosis-after-minimally-invasive-lateral-anterior-column-realignment-for-adult-spinal-deformity
#16
Shashank V Gandhi, Jacob Januszewski, Konrad Bach, Randall Graham, Andrew C Vivas, Jason Paluzzi, Adam Kanter, David Okonkwo, Zachary J Tempel, Nitin Agarwal, Juan S Uribe
BACKGROUND: Development of proximal junctional kyphosis (PJK) after correction of adult spinal deformity (ASD) undermines sagittal alignment. Minimally invasive anterior column realignment (ACR) is a powerful tool for correction of ASD; however, long-term PJK rates are unknown. OBJECTIVE: To characterize PJK after utilization of ACR in ASD correction. METHODS: A retrospective multi-institution cohort analysis per STROBE criteria was conducted of all patients who underwent lateral lumbar interbody fusion (LLIF) or ACR for ASD from 2010 to 2015...
March 28, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29596215/incidence-and-risk-factors-for-proximal-junctional-kyphosis-results-of-a-multicentric-study-of-adult-scoliosis
#17
Amer Sebaaly, Clément Sylvestre, Yehya El Quehtani, Guillaume Riouallon, Daniel Larrieu, Louis Boissiere, Jean Paul Steib, Pierre Roussouly, Stéphane Wolff, Ibrahim Obeid
STUDY DESIGN: This was a retrospective multicentric study. OBJECTIVE: The objective of this study was to determine the different risk factors for development of proximal junctional kyphosis (PJK) in patients with adult scoliosis. SUMMARY OF BACKGROUND DATA: This study was conducted as the reasons for development of PJK in adult scoliosis are still not clear. MATERIALS AND METHODS: In total, 314 patients met the inclusion criteria...
April 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29557865/impact-of-readmissions-in-episodic-care-of-adult-spinal-deformity-event-based-cost-analysis-of-695-consecutive-cases
#18
Samrat Yeramaneni, Jeffrey L Gum, Leah Y Carreon, Eric O Klineberg, Justin S Smith, Amit Jain, Richard A Hostin
BACKGROUND: Readmissions following adult spinal deformity surgical procedures frequently occur, placing a substantial burden on patients and providers. Existing literature on readmission costs, including reason-specific readmission costs, is limited. The purposes of this study were to determine the most expensive reasons for readmission, to assess the impact of reasons and timing on readmission costs, and to estimate the drivers of total costs associated with adult spinal deformity surgical procedures...
March 21, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29509617/clinical-and-radiographic-outcomes-after-posterior-vertebral-column-resection-for-severe-spinal-deformity-with-five-year-follow-up
#19
Max S Riley, Lawrence G Lenke, Todd M Chapman, Brenda A Sides, Kathy M Blanke, Michael P Kelly
BACKGROUND: Short-term studies have shown improved outcomes and alignment after posterior vertebral column resection for severe spinal deformity. Our goal was to report long-term changes in radiographic and health-related quality-of-life measures in a consecutive series of pediatric and adult patients undergoing posterior vertebral column resection with a minimum follow-up of 5 years. METHODS: We reviewed all patients undergoing posterior vertebral column resection by a single surgeon prior to January 1, 2010, at a single institution...
March 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29508074/proximal-junctional-kyphosis-in-adult-spinal-deformity-a-novel-predictive-index
#20
Jian Zhao, Mingyuan Yang, Yilin Yang, Xin Yin, Changwei Yang, Li Li, Ming Li
PURPOSE: Proximal junctional kyphosis (PJK) is a devastating complication for adult spinal deformity (ASD) after correction surgery. However, there is no consensus on the risk factors of PJK, and whether it can be predicted remains unknown. The aim of this study is to detect the primary risk factors for PJK in ASD, and introduce a novel index for prediction of PJK. METHODS: Medical records of 62 ASD patients receiving correction surgery from January 2010 to January 2015 were analyzed...
March 5, 2018: European Spine Journal
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