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Spine osteotomy

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https://www.readbyqxmd.com/read/29740675/biomechanical-advantages-of-supplemental-accessory-and-satellite-rods-with-and-without-interbody-cages-implantation-for-the-stabilization-of-pedicle-subtraction-osteotomy
#1
Luigi La Barbera, Marco Brayda-Bruno, Christian Liebsch, Tomaso Villa, Andrea Luca, Fabio Galbusera, Hans-Joachim Wilke
PURPOSE: To investigate the effect of anterior interbody cages, accessory and satellite rods usage on primary stability and rod strains for PSO stabilization. METHODS: Seven human cadaveric spine segments (T12-S1) underwent PSO at L4 with posterior fixation from L2 to S1. In vitro flexibility tests were performed under pure moments in flexion/extension (FE), lateral bending (LB) and axial rotation (AR) to determine the range of motion, while measuring the strains on the primary rods with strain gauge rosettes...
May 8, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29729461/high-risk-surgical-maneuvers-for-impending-true-positive-intraoperative-neurologic-monitoring-alerts-experience-in-3139-consecutive-spine-surgeries
#2
Shujie Wang, Qiyi Li, Jie Zhu, Jianxiong Shen, Ye Tian, Yong Hu, Jianguo Zhang
BACKGROUND: Intraoperative neurologic monitoring (IONM) has become an essential component for decreasing the incidence of spinal cord injury during many spine surgeries. Many high-risk surgical maneuvers that result in significant IONM alerts have not been reported systematically. Our objective in this study was to thoroughly summarize some common high-risk surgical points associated with IONM alerts in various spine surgeries. METHODS: A total of 62 patients with true-positive IONM alerts from 3139 spine surgeries were enrolled between November 2010 and April 2017...
May 2, 2018: World Neurosurgery
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/29727415/radiographic-and-clinical-outcomes-of-adolescents-with-acetabular-retroversion-treated-arthroscopically
#4
Jody Litrenta, Brian Mu, Austin W Chen, Victor Ortiz-Declet, Itay Perets, Benjamin G Domb
BACKGROUND: Retroversion of the acetabulum is a cause of pincer impingement. Symptomatic retroversion has traditionally been treated with anteverting periacetabular osteotomy (PAO). However, arthroscopic rim trimming can also treat pincer impingement associated with acetabular retroversion. The purpose of this study was to report the outcomes and radiographic findings in a series of adolescent patients with symptomatic acetabular retroversion treated arthroscopically. METHODS: Data were prospectively gathered at a single institution using an established hip preservation registry...
April 30, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29727270/pedicle-distraction-increases-intervertebral-and-spinal-canal-area-in-a-cadaver-and-bone-model
#5
Matthew Hughes, Nikolaos Papadakos, Tim Bishop, Jason Bernard
INTRODUCTION: Lumbar spinal stenosis is degenerative narrowing of the spinal canal and/or intervertebral foramen causing compression of the spinal cord and nerve roots. Traditional decompression techniques can often cause significant trauma and vertebral instability. This paper evaluates a method of increasing pedicle length to decompress the spinal and intervertebral foramen, which could be done minimally invasive. METHODS: Three Sawbone (Sawbones Europe, Sweden) and 1 cadaveric lumbar spine underwent bilateral pedicle distraction at L4...
2018: SICOT-J
https://www.readbyqxmd.com/read/29725558/aortic-rupture-during-surgical-management-of-tubercular-spondylodiscitis
#6
Phani Krishna Karthik Yelamarthy, Rajat Mahajan, Tarush Rustagi, Vikas Tandon, Gururaj Sangondimath, Harvinder Singh Chhabra
Aortic rupture is a rare but possible complication during spine surgery. It may manifest as severe intraoperative hemorrhage or present in a delayed manner after the formation of an aneurysm or an arteriovenous fistula. Though it is commonly encountered during anterior surgeries involving the surgical field close to the thoracic or abdominal aorta, it can also occur during a posterior surgery. Aortic injury could be associated with surgeries ranging from the commonly performed pedicle screw instrumentation to a complex three-column osteotomy...
March 1, 2018: Curēus
https://www.readbyqxmd.com/read/29707558/limitations-and-complications-of-minimally-invasive-spinal-surgery-in-adult-deformity
#7
Jacob Januszewski, Andrew C Vivas, Juan S Uribe
Minimally invasive spine (MIS) surgery has rapidly progressed from simple short segment fusions to large adult deformity corrections, with radiographic and clinical outcomes as good as those of open surgery. Anterior longitudinal ligament release (ALLR) and anterior column realignment (ACR) have been key advancements in the ability to correct deformity using MIS techniques. However, patient selection and appropriate preoperative workup is critical to obtain good outcomes and for complication avoidance. Despite favorable outcomes in spinal deformity surgery, MIS techniques are limited in (I) pronounced cervical or thoracic deformity; (II) patients with prior fusion mass; and (III) severe sagittal imbalance necessitating Schwab 5 osteotomy or higher...
March 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29664852/lower-extremity-motor-function-following-complex-adult-spinal-deformity-surgery-two-year-follow-up-in-the-scoli-risk-1-prospective-multicenter-international-study
#8
Lawrence G Lenke, Christopher I Shaffrey, Leah Y Carreon, Kenneth M C Cheung, Benny T Dahl, Michael G Fehlings, Christopher P Ames, Oheneba Boachie-Adjei, Mark B Dekutoski, Khaled M Kebaish, Stephen J Lewis, Yukihiro Matsuyama, Hossein Mehdian, Ferran Pellisé, Yong Qiu, Frank J Schwab
BACKGROUND: The reported neurologic complication rate following surgery for complex adult spinal deformity (ASD) is variable due to several factors. Most series have been retrospective with heterogeneous patient populations and use of nonuniform neurologic assessments. The aim of this study was to prospectively document lower extremity motor function by means of the American Spinal Injury Association (ASIA) lower extremity motor score (LEMS) before and through 2 years after surgical correction of complex ASD...
April 18, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29611081/impact-of-robot-assisted-spine-surgery-on-health-care-quality-and-neurosurgical-economics-a-systemic-review
#9
REVIEW
Brian Fiani, Syed A Quadri, Mudassir Farooqui, Alessandra Cathel, Blake Berman, Jerry Noel, Javed Siddiqi
Whenever any new technology is introduced into the healthcare system, it should satisfy all three pillars of the iron triangle of health care, which are quality, cost-effectiveness, and accessibility. There has been quite advancement in the field of spine surgery in the last two decades with introduction of new technological modalities such as CAN and surgical robotic devices. MAZOR SpineAssist/Renaissance was the first robotic system to be approved for the use in spine surgeries in the USA in 2004. In this review, the authors sought to determine if the current literature supports this technology to be cost-effective, accessible, and improve the quality of care for individuals and populations by increasing the likelihood of desired health outcomes...
April 3, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29596215/incidence-and-risk-factors-for-proximal-junctional-kyphosis-results-of-a-multicentric-study-of-adult-scoliosis
#10
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/29589980/le-fort-iii-distraction-with-internal-vs-external-distractors-a-cephalometric-analysis
#11
Kevin J Robertson, Bernardino M Mendez, William J Bruce, Brendan D McDonnell, Michael V Chiodo, Parit A Patel
OBJECTIVE: This study compares the change in midface position following Le Fort III advancement using either rigid external distraction (group 1) or internal distraction (group 2). We hypothesized that, with reference to right-facing cephalometry, internal distraction would result in increased clockwise rotation and inferior displacement of the midface. DESIGN: Le Fort III osteotomies and standardized distraction protocols were performed on 10 cadaveric specimens per group...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29556745/giant-cell-tumor-of-the-rib-cage-extending-to-the-spine-case-report
#12
Juan Francisco Blanco, Marcelo Jiménez, Diego Rendón, David Pescador, Jorge Hugo Villafañe, Diego Garbossa, Pedro Berjano
PURPOSE: We present the case of a patient with a giant cell tumor of the thoracic wall that invaded the thoracic spine. MATERIAL AND METHODS: A giant cell tumor that affects the spine and the thoracic wall is very rare but can grow to a large size. We report a case of giant cell tumor of the left chest wall extending to the thoracic spine in a 28-year-old man. Positron emission tomography (PET) showed a tumor of 11 × 4 × 13 cm in size and the histopathology specimen of the first surgical procedure diagnosed a giant cell tumor...
March 19, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29550597/buckling-collapse-of-mid-cervical-spine-secondary-to-neurofibromatosis
#13
Kunal C Shah, Akshay Gadia, Premik Nagad, Shekhar Bhojraj, Abhay Nene
Buckling collapse is the term typically used to describe severe kyphosis more than 100 degrees, characteristically seen in thoracolumbar tuberculosis. Neurofibromatosis is rarely associated with severe cervical kyphosis. Dystrophic changes in vertebra make surgical correction and fusion challenging. Single stage cervical osteotomies (pedicle subtraction osteotomy, vertebral column resection etc) are commonly done in cervico-thoracic junction. However it is technically challenging and associated with high risk of vertebral artery injury, neural injury etc when performed in higher cervical spine...
March 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29546442/-a-new-classification-of-surgical-complications-in-adult-spinal-deformity
#14
REVIEW
S Hemmer, H Almansour, W Pepke, M M Innmann, M Akbar
BACKGROUND: In the light of the increasingly aging population and the widespread understanding of the sagittal profile of symptomatic patients with adult spinal deformity (ASD), pervasive utilization of osteotomies on the vertebral column should be expected. These surgeries are accompanied with relatively high complication rates. However, there is no uniform definition or classification in terms of grading the severity or chronological incidence of complications after ASD surgery. OBJECTIVES: The aim of this work is to give an overview of the different classifications described in the literature hitherto and to propose a standardized, clinically utile classification of complications after ASD surgery...
March 15, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29538242/association-of-patient-reported-narcotic-use-with-short-and-long-term-outcomes-after-adult-spinal-deformity-surgery-multicenter-study-of-425-patients-with-2-year-follow-up
#15
Micheal Raad, Amit Jain, Brian J Neuman, Hamid Hassanzadeh, Munish C Gupta, Douglas C Burton, Gregory M Mundis, Virginie Lafage, Eric O Klineberg, Richard A Hostin, Christopher P Ames, Shay Bess, Daniel M Sciubba, Khaled M Kebaish
STUDY DESIGN: Retrospective analysis of prospective registry OBJECTIVE.: To investigate associations of preoperative narcotic use with outcomes after adult spinal deformity (ASD) surgery. SUMMARY OF BACKGROUND DATA: We hypothesized that preoperative narcotic use would predict longer hospital stays, greater postoperative narcotic use, and greater disability 2 years after ASD surgery. METHODS: A multicenter database of surgical ASD patients was analyzed retrospectively for patients with self-reported data on preoperative narcotic use...
March 13, 2018: Spine
https://www.readbyqxmd.com/read/29528274/spine-shortening-osteotomy-for-patients-with-tethered-cord-syndrome-a-systematic-review-and-meta-analysis
#16
Weiwei Lin, Hongtao Xu, Guman Duan, Jinjin Xie, Yisheng Chen, Baohua Jiao, Haitao Lan
Purpose Tethered cord syndrome (TCS) is the clinical manifestation of an abnormal stretch on the spinal cord, caused by several pathological conditions. Tethered cord release is the gold standard treatment for TCS. However, direct untethering carries potential risks of spinal cord injury, post-operative retethering, and CSF-related complications. Spine-shortening osteotomy (SSO) has recently been performed as an alternative technique to avoid these risks. We aimed to systematically review the literature on indications and outcome of SSO in TCS patients...
May 2018: Neurological Research
https://www.readbyqxmd.com/read/29496626/a-novel-anterior-decompression-technique-vertebral-body-sliding-osteotomy-for-ossification-of-posterior-longitudinal-ligament-of-the-cervical-spine
#17
Dong-Ho Lee, Jae Hwan Cho, Choon Sung Lee, Chang Ju Hwang, Sung Hoon Choi, Chul Gie Hong
BACKGROUND CONTEXT: Conventional anterior decompression surgery for cervical myelopathy, including anterior corpectomy and fusion, is technically demanding and is known to be associated with a higher incidence of surgery-related complications, including cerebrospinal fluid (CSF) leakage, neurologic deterioration, and graft failure compared with posterior surgery. PURPOSE: We introduce a novel anterior decompression technique (vertebral body sliding osteotomy [VBSO]) for cervical myelopathy caused by ossification of posterior longitudinal ligament (OPLL) and evaluate the efficacy and safety of this procedure...
February 26, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29492719/cervical-hemivertebra-resection-and-torticollis-correction-report-on-two-cases-and-literature-review
#18
REVIEW
Shaofu Wang, Jing Li, Guohua Lü, Bing Wang, Xiaobin Wang
PURPOSE: Hemivertebra of the cervical spine is a rare but complex spinal malformation. To our knowledge, only one publication describes excision of an upper-middle cervical (between C2 and C4) hemivertebra. We present our experience with two cases of C3 hemivertebra resection and torticollis correction via a combined anterior-posterior-anterior surgical approach and short segment fixation. METHODS: Two 12-year-old patients with torticollis due to congenital C3 hemivertebra underwent surgery consisting of combined anterior vertebral body osteotomy, posterior element resection with segment instrumentation and deformity correction, and iliac bone graft reconstruction and fixation via an anterior approach...
February 28, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29478623/selection-of-posterior-spinal-osteotomies-for-more-effective-periapical-segmental-vertebral-derotation-in-adolescent-idiopathic-scoliosis-an-in-vivo-comparative-analysis-between-ponte-osteotomy-and-inferior-facetectomy-alone
#19
Shoji Seki, Yasuhito Yahara, Hiroto Makino, Yoshiharu Kawaguchi, Tomoatsu Kimura
BACKGROUND: Ponte osteotomy is a useful method in posterior spinal release. However, it is unclear whether Ponte osteotomy itself contributes to vertebral derotation in surgery for adolescent idiopathic scoliosis (AIS) patients compared to inferior facetectomy alone. This study aimed to assess the effect of Ponte osteotomy on the magnitude of periapical vertebral body rotation compared to inferior facetectomy alone. This study was a prospective collected data. METHODS: The study included 63 patients with AIS (Thoracic curve type, 35; thoracolumbar/lumbar curve type, 27), who underwent surgery between August 2011 and January 2015...
February 22, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29470713/health-related-quality-of-life-in-patients-undergoing-cervico-thoracic-osteotomies-for-fixed-cervico-thoracic-kyphosis-in-patients-with-ankylosing-spondylitis
#20
Silviu Sabou, Hossein Mehdian, Dritan Pasku, Luca Boriani, Nasir A Quraishi
PURPOSE: Ankylosing spondylitis (AS) can result in severe cervico-thoracic kyphotic deformity (CTKD). Few studies have addressed the relationship between cervico-thoracic osteotomies in AS and health-related quality of life scores. The aim of this study is to evaluate the impact of cervico-thoracic osteotomy (CTO) on improving quality of life for patients with fixed CTKD. METHODS: A database of all patients who underwent a CTO for CTKD in patients with AS was created...
February 22, 2018: European Spine Journal
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