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Spine osteotomy

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https://www.readbyqxmd.com/read/27906436/iliac-crest-bone-graft-a-23-years-hystory-of-infection-at-donor-site-in-vertebral-arthrodesis-and-a-review-of-current-bone-substitutes
#1
L Babbi, G Barbanti-Brodano, A Gasbarrini, S Boriani
OBJECTIVE: This is an exemplary case report underlining a relevant morbidity which could be associated to the use of autologous iliac crest bone graft (ICBG) for spine fusion. CASE REPORT: Starting from 1990, a 25-years-old woman underwent two subsequent surgical treatments for non-Hodgkin lymphoma vertebral localizations. In the second surgery, arthrodesis was obtained with autograft through right posterior iliac crest osteotomy. During the chemotherapy treatment following the surgery, the patient suffered from infection at posterior iliac crest scar, the site of previous graft, caused by methicillin-resistant Staphylococcus aureus...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27879571/radiographic-predictors-for-mechanical-failure-following-adult-spinal-deformity-surgery-a-retrospective-cohort-study-in-138-patients
#2
Dennis Winge Hallager, Sven Karstensen, Naeem Bukhari, Martin Gehrchen, Benny Dahl
STUDY DESIGN: Retrospective cohort study at a single institution. OBJECTIVE: We aimed at estimating the rate of revision procedures and identify radiographic predictors of mechanical failure following adult spinal deformity surgery. SUMMARY OF BACKGROUND DATA: Mechanical failure rates following adult spinal deformity surgery range 12% to 37% in literature. While the importance of spinal and spino-pelvic alignment is well documented for surgical outcome and ideal alignment has been proposed as sagittal vertical axis (SVA) < 5 cm, pelvic tilt < 20° and lumbar lordosis (LL) = pelvic incidence ± 9°, the role of radiographic sagittal spine parameters and alignment targets as predictors for mechanical failure remains uncertain...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27858238/instrumentation-failure-following-pedicle-subtraction-osteotomy-the-role-of-rod-material-diameter-and-multi-rod-constructs
#3
Andrea Luca, Claudia Ottardi, Maurizio Sasso, Liliana Prosdocimo, Luigi La Barbera, Marco Brayda-Bruno, Fabio Galbusera, Tomaso Villa
PURPOSE: Pedicle subtraction osteotomy (PSO) has a complication rate noticeably higher than other corrective surgical techniques used for the treatment of spinal sagittal imbalance. In particular, rod breakage and pseudoarthrosis remain burning issues of this technique. Goal of this study was to investigate the biomechanical performance of several hardware constructs. METHODS: The study was performed using two validated finite element models of the lumbosacral spine (L1-S1) incorporating a PSO on L3 and L4, respectively...
November 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27831987/development-of-validated-computer-based-preoperative-predictive-model-for-proximal-junction-failure-pjf-or-clinically-significant-pjk-with-86-accuracy-based-on-510-asd-patients-with-2-year-follow-up
#4
Justin K Scheer, Joseph A Osorio, Justin S Smith, Frank Schwab, Virginie Lafage, Robert A Hart, Shay Bess, Breton Line, Bassel G Diebo, Themistocles S Protopsaltis, Amit Jain, Tamir Ailon, Douglas C Burton, Christopher I Shaffrey, Eric Klineberg, Christopher P Ames
STUDY DESIGN: A retrospective review of large, multicenter adult spinal deformity (ASD) database. OBJECTIVE: The aim of this study was to build a model based on baseline demographic, radiographic, and surgical factors that can predict clinically significant proximal junctional kyphosis (PJK) and proximal junctional failure (PJF). SUMMARY OF BACKGROUND DATA: PJF and PJK are significant complications and it remains unclear what are the specific drivers behind the development of either...
November 15, 2016: Spine
https://www.readbyqxmd.com/read/27815948/an-operative-complexity-index-shows-higher-volume-hospitals-and-surgeons-perform-more-complex-adult-spine-deformity-operations
#5
Justin C Paul, Baron S Lonner, Vadim Goz, Raj Karia, Courtney S Toombs, Thomas J Errico
BACKGROUND: Though previous studies have shown improved outcomes associated with higher volume surgeons and hospitals, this may not be replicated in ASDS due to case complexity variation. We hypothesized that high-volume surgeons perform more complex surgeries. Therefore, we defined an Operative Complexity Index (OCI), specifically for the National Inpatient Samples (NIS) data, which provides information on in-hospital postoperative complications, to assess rates of adult spine deformity surgery (ASDS) cases as they relate to surgeon and hospital operative volume...
November 2016: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/27781181/perioperative-complications-of-pedicle-subtraction-osteotomy
#6
Michael D Daubs, Darrel S Brodke, Prokopis Annis, Brandon D Lawrence
Study Design Retrospective case series. Objective To describe the perioperative complications (0 to 90 days) associated with pedicle subtraction osteotomies (PSOs) performed at a tertiary spine center by two experienced spine surgeons who recently adopted the technique. Methods We reviewed all 65 patients (47 women and 18 men; mean age 60 years, range 24 to 80) who underwent a PSO at our institution. Descriptive data and analysis of complications were limited to the perioperative time (within 90 days of surgery)...
November 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27779163/effects-of-roughly-focused-extracorporeal-shock-waves-therapy-on-the-expressions-of-bone-morphogenetic-protein-2-and-osteoprotegerin-in-osteoporotic-fracture-in-rats
#7
Hai-Ming Huang, Xiao-Lin Li, Shu-Qiang Tu, Xiao-Feng Chen, Chang-Chun Lu, Liang-Hua Jiang
BACKGROUND: Roughly focused extracorporeal shock waves therapy (ESWT) is characterized by a wide focal area, a large therapy zone, easy positioning, and less pain during treatment. The purpose of this study was to investigate the effects of roughly focused ESWT on the expression of osteoprotegerin (OPG) and bone morphogenetic protein-2 (BMP-2) in osteoporotic fractures in rats. METHODS: Seventy-two female Sprague-Dawley (SD) rats, 3 months old, were divided into sham-operated group (n = 6) and an ovariectomized (OVX) group (n = 66)...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27767682/utility-of-multilevel-lateral-interbody-fusion-of-the-thoracolumbar-coronal-curve-apex-in-adult-deformity-surgery-in-combination-with-open-posterior-instrumentation-and-l5-s1-interbody-fusion-a-case-matched-evaluation-of-32-patients
#8
Alexander A Theologis, Gregory M Mundis, Stacie Nguyen, David O Okonkwo, Praveen V Mummaneni, Justin S Smith, Christopher I Shaffrey, Richard Fessler, Shay Bess, Frank Schwab, Bassel G Diebo, Douglas Burton, Robert Hart, Vedat Deviren, Christopher Ames
OBJECTIVE The aim of this study was to evaluate the utility of supplementing long thoracolumbar posterior instrumented fusion (posterior spinal fusion, PSF) with lateral interbody fusion (LIF) of the lumbar/thoracolumbar coronal curve apex in adult spinal deformity (ASD). METHODS Two multicenter databases were evaluated. Adults who had undergone multilevel LIF of the coronal curve apex in addition to PSF with L5-S1 interbody fusion (LS+Apex group) were matched by number of posterior levels fused with patients who had undergone PSF with L5-S1 interbody fusion without LIF (LS-Only group)...
October 21, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27755202/the-precise-bending-rod-technique-a-novel-method-for-precise-correction-of-ankylosing-spondylitis-kyphosis
#9
Junlin Yang, Zifang Huang, Michael Grevitt, Jun Li, Fobao Li, Jingfan Yang
STUDY DESIGN: To report a new technique. OBJECTIVE: To introduce a new method of precise correction controlling for ankylosing spondylitis kyphosis. SUMMARY OF BACKGROUND DATA: The exact angle method is excellent for calculating the pedicle subtraction osteotomy angle but is difficult to perform during surgery. In this study, the precise rod bending technique was proposed as a new method for precise correction controlling for ankylosing spondylitis kyphosis through illustrative cases...
November 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27733169/pedicle-subtraction-osteotomy-and-disc-resection-with-cage-placement-in-post-traumatic-thoracolumbar-kyphosis-a-retrospective-study
#10
Wenhao Hu, Bin Wang, Hongyu Run, Xuesong Zhang, Yan Wang
BACKGROUND: It is estimated that upwards of 50,000 individuals suffer traumatic fracture of the spine each year, and the instability of the fractured vertebra and/or the local deformity results in pain and, if kyphosis increases, neurological impairment can occur. There is a significant controversy over the ideal management. The purpose of the study is to present clinical and radiographic results of pedicle subtraction osteotomy and disc resection with cage placement in correcting post-traumatic thoracolumbar kyphosis...
October 12, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27648675/-complex-pathologies-of-the-spine-trauma-meets-degeneration
#11
C Josten, C-E Heyde, U J Spiegl
Treating vertebral body fractures is challenging when there is relevant pre-existing spinal degeneration. Both vertebral body fractures and spinal degeneration are related to the physiological aging process. The increases in both are linked to increases in life expectancy. Several factors promote spinal degeneration and increase fracture risk, such as disc degeneration, spinal imbalance and osteoporosis. The main diagnostic and therapeutic challenge is to identify the sources of pain and to start appropriate therapy...
October 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27638554/-three-dimensional-correction-of-the-thoraco-lumbar-spine-after-sarcoma-resection-an-inter-disciplinary-approach-with-free-tissue-transfer
#12
H Keil, M Kreinest, U Kneser, T Kremer, M Schnetzke, P A Grützner, S Matschke
This article presents the case of a high-grade deformity of the thoraco-lumbar spine. The patient suffered from a sarcoma that was radically resected. Due to adjuvant radiation, the patient suffered from a radiation injury with chronic fistula. In a two-stage approach, the deformity was corrected by a closing-wedge osteotomy of L3 with elongation of the present dorsal spondylodesis (Th10-L4) to Th8 and the iliac bone. Soft-tissue reconstruction was achieved by a free latissimus dorsi flap that was anastomosed to an axillary arterio-venous loop...
September 14, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27637569/orthopaedic-manifestations-of-congenital-indifference-to-pain-with-anhidrosis-hereditary-sensory-and-autonomic-neuropathy-type-iv
#13
Babar Kayani, Mathew David Sewell, Johnson Platinum, Andre Olivier, Timothy W R Briggs, Deborah M Eastwood
BACKGROUND: Congenital indifference to pain with anhidrosis (CIPA) is a rare hereditary neuropathy, which is associated with defective sensation to noxious stimuli and autonomic dysfunction. The objective of the study was to report on the orthopaedic manifestations of this condition and provide an evidence-based approach for management. METHODS: Retrospective review of 14 consecutive patients with CIPA referred to a single tertiary centre. Mean age of diagnosis was 2...
September 6, 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27602410/utilization-trends-of-pedicle-subtraction-osteotomies-compared-to-posterior-spinal-fusion-for-deformity-a-national-database-analysis-between-2008-2011
#14
Jeffrey L Gum, Leah Y Carreon, Jacob M Buchowski, Lawrence G Lenke, Steven D Glassman
BACKGROUND: Increased awareness regarding the importance of the sagittal spinal profile has led to more aggressive correction of sagittal malalignment. The utilization trends of pedicle subtraction osteotomy (PSO) for sagittal plane correction in spinal deformity surgery have not been well characterized. METHODS: A commercially available database (PearlDiver, Inc) was queried for both Private Payor and 5 % Medicare claims from 2008 to 2011. Revision and clarification of the coding guidelines for PSO were introduced in 2008...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27599822/the-hip-spine-effect-a-biomechanical-study-of-ischiofemoral-impingement-effect-on-lumbar-facet-joints
#15
Juan Gómez-Hoyos, Anthony Khoury, Ricardo Schröder, Eric Johnson, Ian J Palmer, Hal D Martin
PURPOSE: To assess the relation between ischiofemoral impingement (IFI) and lumbar facet joint load during hip extension in cadavers. METHODS: Twelve hips in 6 fresh T1-to-toes cadaveric specimens were tested. A complete pretesting imaging evaluation was performed using computed tomography scan. Cadavers were positioned in lateral decubitus and fixed to a dissection table. Both legs were placed on a frame in a simulated walking position. Through a posterior lumbar spine approach L3-4 and L4-5 facet joints were dissected bilaterally...
September 3, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27583059/treatment-algorithm-for-patients-with-non-arthritic-hip-pain-suspect-for-an-intraarticular-pathology
#16
R Wejnold Jørgensen, C Dippmann, L Dahl, J Stürup
BACKGROUND: The amount of patients referred with longstanding, non-arthritic hip pain is increasing, as are the treatment options. Left untreated hip dysplasia, acetabular retroversion and femoroacetabular impingement (FAI) may lead to osteoarthritis (OA). Finding the right treatment option for the right patient can be challenging in patients with non-arthritic hip pain. PURPOSE: The purpose of this study was to categorize the radiographic findings seen in patients with longstanding hip pain, suspect for an intraarticular pathology, and provide a treatment algorithm allocating a specific treatment option for each clinical condition...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/27570945/how-to-calculate-the-exact-angle-for-two-level-osteotomy-in-ankylosing-spondylitis
#17
Guoquan Zheng, Kai Song, Ziming Yao, Yonggang Zhang, Xiangyu Tang, Zheng Wang, Xuesong Zhang, Keya Mao, Geng Cui, Yan Wang
STUDY DESIGN: A prospective case series study. OBJECTIVE: To describe and assess a two-level osteotomy method for the management of severe thoracolumbar kyphosis (TLK) in patients with ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: To achieve better postoperative outcomes in these patients, a sophisticated preoperative surgical plan is required. Most deformities are managed using a one-level osteotomy and a two-level osteotomy is seldomly reported...
September 1, 2016: Spine
https://www.readbyqxmd.com/read/27555994/comparative-study-of-untethering-and-spine-shortening-surgery-for-tethered-cord-syndrome-in-adults
#18
Hiroaki Nakashima, Shiro Imagama, Hiroki Matsui, Yasutsugu Yukawa, Koji Sato, Tokumi Kanemura, Mitsuhiro Kamiya, Kenyu Ito, Yukihiro Matsuyama, Naoki Ishiguro, Fumihiko Kato
STUDY DESIGN: Retrospective multicenter study. OBJECTIVE: Although untethering surgery has been a standard treatment in patients with adult tethered cord syndrome (TCS), spine-shortening osteotomy (SSO) has recently been performed as an alternative technique. The purpose of this study was to compare the clinical outcomes of the two procedures for TCS in adults. METHODS: Fourteen patients (37.7 ± 12.5 years) with TCS were enrolled at 6 hospitals...
September 2016: Global Spine Journal
https://www.readbyqxmd.com/read/27549661/the-effect-of-sublaminar-wires-on-the-rib-hump-deformity-during-scoliosis-correction-manoeuvres
#19
Javier Pizones, Felisa Sánchez-Mariscal, Lorenzo Zúñiga, Enrique Izquierdo
INTRODUCTION: During thoracic curve correction, the tightening of the sublaminar wires through concavity creates a medial and a dorsal translation of the spine. However, little is known about the effect of the sublaminar wires on the axial plane. METHODS: This is prospective case series analysis of 30 consecutive surgical patients with main thoracic adolescent idiopathic scoliosis. All of the patients were fused with hybrid instrumentation (apical concavity-sublaminar wires) and differential rod contouring (over-kyphosis concavity/under-kyphosis convexity)...
October 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27513865/the-relationship-between-t1-sagittal-angle-and-sagittal-balance-a-retrospective-study-of-119-healthy-volunteers
#20
Mingyuan Yang, Changwei Yang, Haijian Ni, Yuechao Zhao, Ming Li
T1 sagittal angle has been reported to be used as a parameter for assessing sagittal balance and cervical lordosis. However, no study has been performed to explore the relationship between T1 sagittal angle and sagittal balance, and whether T1 sagittal angle could be used for osteotomy guidelines remains unknown. The aim of our study is to explore the relationship between T1 sagittal angle and sagittal balance, determine the predictors for T1 sagittal angle, and determine whether T1 sagittal angle could be used for osteotomy guidelines to restore sagittal balance...
2016: PloS One
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