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Iliac fixation

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https://www.readbyqxmd.com/read/29651856/postoperative-fixation-after-repositioning-of-premaxilla-in-a-patient-with-bilateral-cleft-lip-and-palate-case-report
#1
M Koťová, M Dušková, E Leamerová, W Urbanová, K Schwarzmannová, K Novotná, A Sukop
This article presents orthodontic-surgical treatment in an eight-year-old patient with bilateral cleft lip and palate where premaxilla was surgically repositioned in the mixed dentition stage. By cranial and dorsal insertion of the premaxilla were created satisfactory occlusal relationship for ongoing eruption of permanent teeth, together with functional lip closure, improved pronunciation and a positive change in appearance of the centrofacial area. Reposition of premaxilla was associated with bilateral alveolar bone grafting of the cleft defect with cancellous bone from the iliac crest...
2018: Acta Chirurgiae Plasticae
https://www.readbyqxmd.com/read/29649611/predictors-of-adverse-discharge-disposition-in-adult-spinal-deformity-and-associated-costs
#2
Peter G Passias, Gregory W Poorman, Cole A Bortz, Rabia Qureshi, Bassel G Diebo, Justin C Paul, Samantha R Horn, Frank A Segreto, Alexandra Pyne, Cyrus M Jalai, Virginie Lafage, Shay Bess, Frank J Schwab, Hamid Hassanzadeh
BACKGROUND CONTEXT: With advances in the understanding of adult spinal deformity (ASD), more complex osteotomy and fusion techniques are being implemented with increasing frequency. Patients undergoing ASD corrections infrequently require extended acute care, longer inpatient stays, and are discharged to supervised care. Given the necessity of value-based health care, identification of clinical indicators for adverse discharge disposition in ASD surgeries is paramount. PURPOSE: On nationwide and surgeon-created databases, identify predictors of adverse discharge disposition after ASD surgeries and view corresponding differences in charges...
April 9, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29626690/traumatic-postero-lateral-c1-c2-dislocation-complicated-with-locked-lateral-mass-and-type-ii-odontoid-fracture-a-5-year-follow-up-a-case-report
#3
Zhu Minyu, Wu Shiyang, Chandoo Suraj, Huang Kelun, Lin Chaowei, Teng Honglin
STUDY DESIGN: case report: Objective: To document our experience in managing a rare complex of traumatic postero-lateral atlantoaxial dislocation combined with locked lateral mass and type II odontoid fracture. SUMMARY OF BACKGROUND DATA: METHOD: A 30 years-old male patient was referred to the author's department. He complained of a decrease in neck range of motion following a traffic accident. Neurological examination was normal. Computed tomography (CT) and open mouth X-ray showed a type II odontoid fracture and a postero-lateral dislocation with laterally locked left lateral mass at the C1-C2 level...
April 4, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29602473/early-outcomes-with-a-single-sided-access-endovascular-stent
#4
Michael Hofmann, Felice Pecoraro, David Planer, Thomas Pfammatter, Gilbert Puippe, Dominique Bettex, Frank J Veith, Mario Lachat, Lyubov Chaykovska
OBJECTIVE: The objective of this study was to report the 1-year follow-up study results of the new Horizon stent graft (Endospan, Herzliya, Israel) from two different prospective consecutive trials. The Horizon abdominal aortic aneurysm stent graft system is a 14F profile system requiring only a single access site. It consists of three modules, introduced separately: base limb (iliac to iliac limb); distal aortic limb; and proximal aortic limb with a bare suprarenal crown and active fixation...
March 27, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29600081/intramedullary-reinforcement-of-sternal-fixation-with-autologous-xiphoid-tenon
#5
Jen-Ping Chang
Minimally invasive cardiac surgery through a partial sternotomy or a ministernotomy is popular. However, the transverse nonunion of the sternum will be a potential complication. Valid and valuable techniques have been introduced for securing the sternotomy fixation. Most of them are focused on the materials or methods for extrinsic reinforcement. A new concept, focused on the intramedullary reinforcement of the sternal fixation, was designed by incarcerating a cancellous portion of the autologous xiphoid in the marrow space of the inter-segmental junction of the partial sternotomy...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29580745/biomechanical-characterization-of-three-iliac-screw-fixation-techniques-a-finite-element-study
#6
Seil Sohn, Tae Hyun Park, Chun Kee Chung, Yongjung Jay Kim, Jong Wuk Jang, In-Bo Han, Sung Jae Lee
We aim to characterize the biomechanical properties of a modified iliac screw fixation method compared with the classic iliac screw fixation and the S2 alar iliac screw (S2AI) fixation using a FEM. A three-dimensional, non-linear FEM of lumbosacral spine and pelvis (L1-pelvis) was modified to simulate 3 different iliac screw fixations based on posterior screw fusion. The peak von Mises stress (PVMS) values of the iliac screws in the 3 different iliac screw fixations were recorded in during flexion/extension/axial rotation/lateral bending...
March 23, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29556459/iliac-crest-bone-grafting-for-mandibular-reconstruction-10-year-experience-outcomes
#7
Timothy M Osborn, Deeb Helal, Pushkar Mehra
Purpose: To evaluate 10-year patient data related to mandibular reconstruction with NVBG at a tertiary academic center. Patients and Methods: Sixty patients with mandibular mandibular reconstruction were included. Patients were divided to continuity defect and non-continuity defect. Pathology lesion, immediate reconstruction, smoking habit, medical comorbidities, site and size of the defect, surgical approach, intraoperative perforation, cadaveric bone use, and maxilla-mandibular fixation use were analyzed as factors of influence on success...
January 2018: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29553943/the-accurate-free-hand-placement-of-s2-alar-iliac-s2ai-screw
#8
Taolin Fang, Glenn S Russo, Gregory D Schroeder, Christopher K Kepler
Achieving an osseous fusion across the lumbosacral spine is still challenging in spine surgery. For the long multisegmental fusion surgery, it is crucial to build a robust and substantial foundation, which sometimes necessitates the distal spinal fixation to the pelvis. The pelvic fixation technique involves advancing the screw through the alar, thereby providing more purchase across the sacroiliac joint and into the ilium. The S2 alar iliac screws can obtain immediate stability and proper biomechanical strength of constructs...
March 16, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29544917/anterior-decompression-and-plate-fixation-in-treatment-of-cervical-myelopathy-a-multicentric-retrospective-review
#9
Carlo Doria, Giulia Raffaella Mosele, Massimo Balsano, Gianluca Maestretti, Gianfilippo Caggiari
OBJECTIVES: The aim of this study was to evaluate the results on anterior decompression and fusion with titanium mesh or expanding cage and plate fixation in patients with cervical myelopathy. METHODS: We conducted a retrospective multicentric review of 114 patients, 75 males and 39 females, with cervical myelopathy who underwent surgical treatment between July 2009 to December 2011. All surgeries were performed via a ventral approach. Based on the type of surgery the patients received, they were divided into 3 groups: group 1 consisted of 49 patients who received multilevel corpectomies and fusion with strut iliac bone graft and plates; group 2 consisted of 26 patients who received multilevel corpectomies and fusion with titanium expanding cage and plating; group 3 consisted of 39 patients who received multilevel corpectomies and fusion using titanium mesh with autologous bone graft and anterior plating...
March 12, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29534412/-revision-of-schatzker-type-%C3%A2-tibial-plateau-fracture-failure-focus-on-the-recovery-of-lower-limb-alignment
#10
R J Cong, J F Liu, Y Jiang, Duolikun Dilixiati, X D Hou, L P Zheng
Objective: To explore the influence of the lower extremity abnormal alignment and the joint surface, and to explore the surgical skills. Methods: Twenty-two cases of tibial plateau Schatzker Ⅵ fracture internal fixation failure revision from January 2012 to January 2017 in Department of Orthopedics, Shanghai 10(th) Hospital.One year follow-up after initial surgery to make sure of failure.Three-dimensional CT scan, radiography, infection index, gait analysis, knee joint ROM, femur tibia angle, tibial plateau tibial shaft angle and posterior slope if tibial plateau were observed...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29526152/comparison-of-different-fixation-methods-of-bicolumnar-acetabular-fractures
#11
Tamás Bodzay, Gergely Sztrinkai, András Kocsis, Báliinstnt Kozma, Tamás Gál, Károly Váradi
OBJECTIVES: This study aims to investigate if the stabilization of iliac wing fractures influences the stability of the acetabular osteosynthesis, if surgical fixation is the choice of treatment, and which technique to be used. MATERIALS AND METHODS: In the study, measurements were performed with an improved finite element model. Tension and displacement values were measured in bicolumnar acetabular fractures in the following cases: combination of cranial and medial plate fixation through the linea terminalis, or combination of cranial plate and quadrilateral surface plates...
April 2018: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/29492719/cervical-hemivertebra-resection-and-torticollis-correction-report-on-two-cases-and-literature-review
#12
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/29482590/proper-detailed-parameters-for-s1-sacral-alar-iliac-screw-placement-in-the-chinese-population-a-3d-imaging-study
#13
Yao Wang, Wenhao Hu, Fanqi Hu, Hao Zhang, Tianhao Wang, Yan Wang, Xuesong Zhang
BACKGROUND: S1-AI technique may be used as a salvage technique in pelvic fixation of complex spinal deformity surgery. However, the proper detailed parameters in the Chinese population has not been analyzed before to instruct S1-AI screws placement and to ensure the safety of clinical application while the trajectory in pelvic changes significantly at each angle. RESULTS: The ideal S1AI screw trajectory could be obtained in 28 of 30 female patient images (93.3%) and in all of the male patient images (100%)...
February 26, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29462047/s2-alar-iliac-screw-placement-who-needs-imaging-commentary-on-an-article-by-jamal-n-shillingford-md-et-al-the-free-hand-technique-for-s2-alar-iliac-screw-placement-a-safe-and-effective-method-for-sacropelvic-fixation-in-adult-spinal-deformity
#14
https://www.readbyqxmd.com/read/29462037/the-free-hand-technique-for-s2-alar-iliac-screw-placement-a-safe-and-effective-method-for-sacropelvic-fixation-in-adult-spinal-deformity
#15
Jamal N Shillingford, Joseph L Laratta, Lee A Tan, Nana O Sarpong, James D Lin, Charla R Fischer, Ronald A Lehman, Yongjung J Kim, Lawrence G Lenke
BACKGROUND: Spinopelvic fixation is an integral part of achieving solid fusion across the lumbosacral junction, especially in deformity procedures requiring substantial correction or long-segment constructs. Traditional S2-alar-iliac (S2AI) screw-placement techniques utilize fluoroscopy, increasing operative time and radiation exposure to the patient and surgeon. We describe a novel free-hand technique for S2AI screw placement in patients with adult spinal deformity. METHODS: We reviewed the records of 45 consecutive patients who underwent spinopelvic fixation performed with use of S2AI screws by the senior surgeon and various fellows or residents over a 12-month period (2015 to 2016)...
February 21, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29452313/does-the-iliac-wing-influence-l5-pedicle-screw-fixation
#16
Hai-Ming Jin, Xue-Qin Bai, Xiang-Xiang Pan, Jianwei Wu, Cong-Cong Wu, Ying-Zhao Yan, Ke Wang, Ai-Ming Wu, Xiang-Yang Wang
OBJECTIVE: To explore whether the iliac wing influenced L5 PS fixation and to propose methods to reduce such influence. METHODS: A total of 100 computed tomography scans (from 50 males and 50 females) of the lower lumbar region and pelvis were obtained and three-dimensionally reconstructed. Cylinders with 6.5-mm diameters were drawn to simulate the different trajectories of L5 PSs. The maximum lengths and lateral angles of trajectories, and the vertical distances from the inner edge of the iliac wing to these trajectories, were measured...
February 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29451435/safe-insertion-of-s-2-alar-iliac-screws-radiological-comparison-between-2-insertion-points-using-computed-tomography-and-3d-analysis-software
#17
Kentaro Yamada, Yuichiro Abe, Shigenobu Satoh
OBJECTIVE S-2 alar iliac (S2AI) screws are commonly used as anchors for lumbosacral fixation. A serious potential complication of screw insertion is major vascular injury due to anterior or caudal screw deviation. To avoid screw deviation, the pelvic inlet view on intraoperative fluoroscopy images is recommended. However, there has been no detailed investigation of optimal fluoroscopic incline with the pelvic inlet view. The purpose of this study was to investigate the safety margins and to optimize fluoroscopic settings to avoid screw deviation with 2 reported insertion techniques using 3D analysis software and CT...
February 16, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29424159/-minimally-invasive-internal-fixation-of-pelvic-ring-for-type-c-pelvic-fracture
#18
Chun-Hui Tang, Gao-Wen Yao, Lin Wang, Hong-Liang Tu, Wei Luo
OBJECTIVE: To evaluate the feasibility of minimally invasive internal fixation of pelvic anterior and posterior ring for the treatment of type C pelvic fracture, and to explore its operative techniques and therapeutic efficacy. METHODS: From December 2010 to December 2015, 18 patients with type C pelvic fracture were treated by reconstructive plates fixation through minimally invasive ilioinguinal approach for pelvic anterior ring injuries, and by invasive percutaneous sacroiliac joint screw fixation for pelvic posterior ring injuries...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29417207/gradual-fibular-transfer-by-ilizarov-external-fixator-in-post-traumatic-and-post-infection-large-tibial-bone-defects
#19
Mohammed Anter Meselhy, Mohamed Salah Singer, Abdelsamie M Halawa, Gamal Ahmed Hosny, Adel H Adawy, Osama M Essawy
INTRODUCTION: Several reconstructive procedures have been used in management of large tibial bone defects including bone graft, bone transport (distraction osteogenesis) using various external fixators, and vascularized bone graft. Each of these procedures has its limitations and complications. The study describes gradual medial fibular transfer using Ilizarov external fixators in management of patients with large tibial defect, either following infection or trauma. PATIENTS AND METHODS: Between May 2011 and June 2013, 14 patients were prospectively included in the current study...
February 7, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29416170/benign-aggressive-lesions-of-femoral-head-and-neck-is-salvage-possible
#20
Yogesh Panchwagh, Sujit K Joshi, Parag K Sancheti
Background: Benign aggressive bone lesions of the femoral head and neck are mostly seen in young adults and warrant treatment for pain, impending fracture or established fracture, and disease clearance. It becomes challenging to treat them effectively while attempting salvage of the femoral head and yet achieving long term disease control with minimum complications. We describe our technique and experience in dealing with these lesions which can achieve the above-mentioned goals and can be easily replicated...
January 2018: Indian Journal of Orthopaedics
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