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Spine osteotomy

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https://www.readbyqxmd.com/read/28796721/mechanisms-predisposing-factors-and-prognosis-of-intraoperative-vertebral-subluxation-during-pedicle-subtraction-osteotomy-in-surgical-correction-of-thoracolumbar-kyphosis-secondary-to-ankylosing-spondylitis
#1
Bang-Ping Qian, Sai-Hu Mao, Jun Jiang, Bin Wang, Yong Qiu
STUDY DESIGN: A retrospective study. OBJECTIVE: To analyze the mechanisms, predisposing factors, and prognosis of the intraoperative vertebral subluxation (VS) during pedicle subtraction osteotomy (PSO) for thoracolumbar kyphosis secondary to ankylosing spondylitis (AS). SUMMARY OF BACKGROUND DATA: VS is one of the most daunting challenges that surgeons encounter during PSO closure, especially in patients with AS with ankylosed and mostly osteoporotic spine...
August 15, 2017: Spine
https://www.readbyqxmd.com/read/28791817/binder-syndrome-clinical-findings-and-surgical-treatment-of-18-patients-at-the-department-of-plastic-surgery-in-polanica-zdr%C3%A3-j
#2
Piotr H Drozdowski, Ireneusz Łątkowski, Mateusz G Zachara, Piotr Wójcicki
BACKGROUND: Binder syndrome (BS) is an uncommon congenital underdevelopment of the maxilla and nasal skeleton. Other clinical features include a hypoplastic or absent anterior nasal spine; a short, flat nose with short columella; an acute nasolabial angle; a convex upper lip and class III malocclusion. OBJECTIVES: The aim of the study was to outline the major characteristics of BS and to present a variety of surgical treatment methods. MATERIAL AND METHODS: The study included 18 patients treated in the authors' department from 1989 to 2013...
May 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28777277/comparison-of-ponte-osteotomies-and-3-column-osteotomies-in-the-treatment-of-congenital-spinal-deformity
#3
Priscella Chan, Lindsay M Andras, Ena Nielsen, Ted Sousa, Elizabeth Joiner, Paul D Choi, Vernon T Tolo, David L Skaggs
BACKGROUND: Congenital spinal deformity (CSD) has traditionally been treated with 3-column osteotomies [hemivertebrectomy (HV) or vertebral column resection (VCR)] to address rigid deformities. Alternatively, multiple Ponte osteotomies (PO) may provide correction while minimizing risk. The purpose of this study was to compare safety and outcomes of patients undergoing surgical treatment for CSD with these 3 procedures. METHODS: Retrospective review of CSD patients treated with posterior spinal fusion between 1996 to 2013...
August 2, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28770402/kinematic-efficacy-of-supplemental-anterior-lumbar-interbody-fusion-at-lumbosacral-levels-in-thoracolumbosacral-deformity-correction-with-and-without-pedicle-subtraction-osteotomy-at-l3-an-in-vitro-cadaveric-study
#4
Benny T Dahl, Jonathan A Harris, Manasa Gudipally, Mark Moldavsky, Saif Khalil, Brandon S Bucklen
PURPOSE: Pedicle subtraction osteotomy (PSO) is performed to treat rigid, sagittal spinal deformities, but high rates of implant failure are reported. Anterior lumbar interbody fusion has been proposed to reduce this risk, but biomechanical investigation is lacking. The goal of this study was to quantify the (1) destabilizing effects of a lumbar osteotomy and (2) contribution of anterior lumbar interbody fusion (ALIF) at the lumbosacral junction as recommended in literature. METHODS: Fourteen fresh human thoracolumbosacral spines (T12-S1) were tested in flexion-extension (FE), lateral bending (LB), and axial rotation (AR)...
August 2, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28760028/correction-of-severe-spinopelvic-mismatch-decreased-blood-loss-with-lateral-hyperlordotic-interbody-grafts-as-compared-with-pedicle-subtraction-osteotomy
#5
Jean-Christophe Leveque, Vijay Yanamadala, Quinlan D Buchlak, Rajiv K Sethi
OBJECTIVE Pedicle subtraction osteotomy (PSO) provides extensive correction in patients with fixed sagittal plane imbalance but is associated with high estimated blood loss (EBL). Anterior column realignment (ACR) with lateral graft placement and sectioning of the anterior longitudinal ligament allows restoration of lumbar lordosis (LL). The authors compare peri- and postoperative measures in 2 groups of patients undergoing correction of a sagittal plane imbalance, either through PSO or the use of lateral lumbar fusion and ACR with hyperlordotic (20°-30°) interbody cages, with stabilization through standard posterior instrumentation in all cases...
August 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28752243/design-of-mulitlevel-olf-approach-v-shaped-decompressive-laminoplasty-based-on-3d-printing-technology
#6
Qinjie Ling, Erxing He, Hanbin Ouyang, Jing Guo, Zhixun Yin, Wenhua Huang
PURPOSE: To introduce a new surgical approach to the multilevel ossification of the ligamentum flavum (OLF) aided by three-dimensional (3D) printing technology. METHODS: A multilevel OLF patient (male, 66 years) was scanned using computed tomography (CT). His saved DICOM format data were inputted to the Mimics14.0 3D reconstruction software (Materialise, Belgium). The resulting 3D model was used to observe the anatomical features of the multilevel OLF area and to design the surgical approach...
July 27, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28746128/does-the-position-of-the-aorta-change-with-the-altered-body-position-in-ankylosing-spondylitis-patients-with-thoracolumbar-kyphosis-a-magnetic-resonance-imaging-investigation
#7
Zhe Qu, Qian Bang-Ping, Yong Qiu, Ben-Long Shi, Ming-Liang Ji, Bin Wang, Yang Yu, Ze-Zhang Zhu
STUDY DESIGN: A prospective magnetic resonance imaging study. OBJECTIVE: To quantitatively explore the differences in the anatomic position of the aorta relative to the spine between supine and prone positions in ankylosing spondylitis (AS) patients with thoracolumbar kyphosis. SUMMARY OF BACKGROUND DATA: Aortic complications may occur during the lumbar spine osteotomy in correcting thoracolumbar kyphosis secondary to AS, and a clear understanding of the spatial relationship between the aorta and the vertebrae is essential to prevent these iatrogenic complications...
August 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28741218/asymmetric-pedicle-subtractionosteotomy-apso-guided-by-a-3d-printed-model-to-correct-a-combined-fixed-sagittal-and-coronal-imbalance
#8
Pierre-Pascal Girod, S Hartmann, P Kavakebi, J Obernauer, M Verius, C Thomé
Surgical correction of fixed thoracolumbar deformity is usually achieved by estimating the preoperatively planned correction angles during surgery and is therefore prone to inaccuracy. This is particularly problematic in biplanar deformities. To overcome these difficulties, 3D model for planning, preparation, and simulation of an asymmetric pedicle subtraction osteotomy (aPSO) was printed and used to realign coronal and sagittal balance in case of rigid degenerative kyphoscoliosis. A 59-year-old woman presented with severe back pain and spinal claudication and was diagnosed with a rigid kyphoscoliosis with multilevel spinal stenosis...
July 24, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28732535/case-report-rare-skeletal-manifestations-in-a-child-with-primary-hyperparathyroidism
#9
Maulee Hiromi Arambewela, Kamani Danushka Liyanarachchi, Noel P Somasundaram, Aruna S Pallewatte, Gamini L Punchihewa
BACKGROUND: Primary hyperparathyroidism (PHPT) is uncommon among children with an incidence of 1:300,000. This diagnosis is often missed in children in contrast to adults where it is detected at a pre symptomatic stage due to routine blood investigations. Etiology of PHPT can be due to adenoma, hyperplasia or rarely carcinoma. CASE PRESENTATION: A 12 year old Sri Lankan girl presented with progressive difficulty in walking since 1 year. On examination she had bilateral genu valgum...
July 21, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28688061/new-method-for-correction-of-lumbo-sacral-kyphosis-deformity-in-patient-with-high-pelvic-incidence
#10
Marcin Czyz, Stephen Forster, James Holton, Babak Shariati, David J Clarkson, Bronek M Boszczyk
STUDY DESIGN: Technical note. OBJECTIVE: We describe a novel technique of bilateral longitudinal sacral osteotomy allowing direct reduction of high pelvic incidence (PI) and correction of sagittal imbalance. METHODS: A 25-year-old female patient presented with a disabling lumbo-sacral kyphosis fused in situ through previous operations with residual low-grade wound infection and grade IV L5/S1 spondylolisthesis with severity index (SI) of 65%...
August 2017: European Spine Journal
https://www.readbyqxmd.com/read/28684347/the-adult-deformity-surgery-complexity-index-adsci-a-valid-tool-to-quantify-the-complexity-of-posterior-adult-spinal-deformity-surgery-and-predict-postoperative-complications
#11
Ferran Pellisé, Alba Vila-Casademunt, Susana Núñez-Pereira, Montse Domingo-Sàbat, Juan Bagó, Xavier Vidal, Ahmet Alanay, Emre Acaroglu, Frank Kleinstück, Ibrahim Obeid, Francisco J S Pérez-Grueso, Virginie Lafage, Shay Bess, Christopher Ames, Anne F Mannion
BACKGROUND CONTEXT: In 2008, Mirza et al. designed and validated the first and only index capable of quantifying the complexity of spine surgery. However, this index is not fully applicable to adult spinal deformity (ASD) surgery as it does not include the surgical techniques most commonly used and most strongly associated with perioperative complications in patients with ASD. PURPOSE: The objective of this study is to develop an "Adult Deformity Surgery Complexity Index" (ADSCI) to quantify objectively the complexity of the ASD posterior surgery...
July 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28678149/periacetabular-quadruple-osteotomy-of-the-pelvis-in-older-children-computed-tomography-scan-analysis-of-acetabular-retroversion-and-anterior-overcoverage-of-the-hip-preventing-femoral-acetabular-impingement
#12
Roger Jawish, Hassan Najdi, Ali Krayan
The periacetabular quadruple osteotomy of the pelvis (QOP), with the osteotomy of ischial spine to release the sacrospinal ligament, is reserved for older children with low potential of remodeling. Different parameters were studied with computed tomography (CT) scan before (pre-OH) and after surgery (post-OH) and for nonoperated hip (NOH). The study determined an optimal method to avoid retroversion and excessive anterior coverage. Fifteen QOP were performed in 13 patients, ranging in age from 10 to 15 years...
July 3, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28670419/severe-rigid-scoliosis-review-of-management-strategies-and-role-of-spinal-osteotomies
#13
REVIEW
Pankaj Kandwal, Govindaraja Perumal Vijayaraghavan, Upendra Bidre Nagaraja, Arvind Jayaswal
Severe rigid curves pose a considerable challenge to the treating spine surgeon. In our practice, approximately 30%-40% of patients with scoliosis present late with severe rigid scoliosis (>90° and <30% correction on bending films). Controversy still exists with regard to the ideal surgical strategy for correcting these rigid curves. Rigid scoliosis often presents in the form of either sharp angular or rounded deformities. Rounded deformities can be effectively managed with an anterior release to loosen the apex and posterior instrumentation (with osteotomies, if required)...
June 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28660112/vertebral-column-resection-for-rigid-spinal-deformity
#14
REVIEW
Comron Saifi, Joseph L Laratta, Petros Petridis, Jamal N Shillingford, Ronald A Lehman, Lawrence G Lenke
STUDY DESIGN: Broad narrative review. OBJECTIVE: To review the evolution, operative technique, outcomes, and complications associated with posterior vertebral column resection. METHODS: A literature review of posterior vertebral column resection was performed. The authors' surgical technique is outlined in detail. The authors' experience and the literature regarding vertebral column resection are discussed at length. RESULTS: Treatment of severe, rigid coronal and/or sagittal malalignment with posterior vertebral column resection results in approximately 50-70% correction depending on the type of deformity...
May 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28658139/computer-designed-surgical-guide-template-compared-with-free-hand-operation-for-mesiodens-extraction-in-premaxilla-using-trapdoor-method
#15
COMPARATIVE STUDY
Ying Kai Hu, Qian Yang Xie, Chi Yang, Guang Zhou Xu
The aim of this study was to introduce a novel method of mesiodens extraction using a vascularized pedicled bone flap by piezosurgery and to compare the differences between a computer-aided design surgical guide template and free-hand operation.A total of 8 patients with mesiodens, 4 with a surgical guide (group I), and 4 without it (group II) were included in the study. The surgical design was to construct a trapdoor pedicle on the superior mucoperiosteal attachment with application of piezosurgery. The bone lid was repositioned after mesiodens extraction...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28658032/assessment-of-the-change-in-alignment-of-fixed-segment-after-adult-spinal-deformity-surgery
#16
Tomohiro Banno, Tomohiko Hasegawa, Yu Yamato, Sho Kobayashi, Daisuke Togawa, Go Yoshida, Tatsuya Yasuda, Shin Oe, Yuki Mihara, Hiroki Ushirozako, Yukihiro Matsuyama
STUDY DESIGN: Retrospective study OBJECTIVE.: To determine the prevalence of loss in fixed segment alignment after surgical correction of adult spinal deformity (ASD) and identify associated risk factors. SUMMARY OF BACKGROUND DATA: Altered fixed segment alignment influences global spinal alignment; however, associated risk factors have not been determined. METHODS: Data of 63 patients with ASD (55 women; mean age, 68.0 years), who underwent corrective fusion from the lower thoracic spine to the pelvis and completed the 2-year follow-up, were retrospectively analyzed...
June 27, 2017: Spine
https://www.readbyqxmd.com/read/28656584/case-control-study-of-risk-factors-for-surgical-site-infection-after-three-column-osteotomy-for-spine-deformity
#17
Rafael DE LA Garza Ramos, Jonathan Nakhla, Rani Nasser, Niketh Bhashyam, Merrit Kinon, Reza Yassari
AIM: To investigate risk factors for surgical site infection (SSI) after three-column osteotomy (3CO) for spinal deformity. MATERIAL AND METHODS: The American College of Surgeons National Surgical Quality Improvement Program database (2012 - 2014) was reviewed. We included adult patients who underwent 3CO and compared pertinent cases (SSI) to controls (no SSI) in terms of preoperative and operative characteristics. Patients with clean/contaminated, contaminated, and dirty/infected wounds were excluded...
June 2, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28656505/videoexoscopic-real-time-intraoperative-navigation-for-spinal-neurosurgery-a-novel-co-adaptation-of-two-existing-technology-platforms-technical-note
#18
Meng Huang, Sean Michael Barber, William James Steele, Zain Boghani, Viren Rajendrakumar Desai, Gavin Wayne Britz, George Alexander West, Todd Wilson Trask, Paul Joseph Holman
Image-guided approaches to spinal instrumentation and interbody fusion have been widely popularized in the last decade [1-5]. Navigated pedicle screws are significantly less likely to breach [2, 3, 5, 6]. Navigation otherwise remains a point reference tool because the projection is off-axis to the surgeon's inline loupe or microscope view. The Synaptive robotic brightmatter drive videoexoscope monitor system represents a new paradigm for off-axis high-definition (HD) surgical visualization. It has many advantages over the traditional microscope and loupes, which have already been demonstrated in a cadaveric study [7]...
June 27, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28638492/importance-of-radiological-evaluation-of-global-spinal-balance-together-with-lower-limb-alignment-in-planning-lumbar-spine-deformity-surgery-illustrative-case-presentation
#19
Mariusz Głowacki, Jerzy Walecki, Przemysław Kołakowski, Danuta Kolońska
BACKGROUND: The presented case illustrates the critical role of a detailed preoperative radiological evaluation in complex spine surgery. CASE REPORT: A 49-year-old patient was admitted for a revision surgery after L3-L5 fusion. Preoperative assessment showed preserved sagittal balance, coronal imbalance and valgus knee deformity. The patient reported pain of 8-10 in VAS (Visual Analogue Scale) and had an ODI (Oswestry Disability Index) of 60%. The first step of the surgery was L2-S1 fusion with decompression and spine deformity correction...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28630751/correction-manoeuvres-in-the-surgical-treatment-of-spinal-deformities
#20
Alpaslan Senkoylu, Mehmet Cetinkaya
Correction manoeuvres are as important as the other issues such as hardware selection, graft options, fusion and osteotomy techniques in the surgical treatment of spinal deformities.The property of materials demonstrating both viscous and elastic characteristics when undergoing deformation is called visco-elasticity. Purely elastic materials change in shape with a stress, and go back to their initial form when the stress is removed. However, visco-elastic materials, like the spine, may protect their new formation unless a back stress is applied...
May 2017: EFORT open reviews
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