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https://www.readbyqxmd.com/read/29792999/does-solid-fusion-eliminate-rod-fracture-after-pedicle-subtraction-osteotomy-in-ankylosing-spondylitis-related-thoracolumbar-kyphosis
#1
Shi-Zhou Zhao, Bang-Ping Qian, Mu Qiao, Jun Jiang, Yong Qiu
BACKGROUND CONTEXT: Rod fracture (RF) has a negative impact on the surgical outcome of ankylosing spondylitis (AS) patients following lumbar pedicle subtraction osteotomy (PSO). However, there is a paucity of published studies analyzing the risk factors for RF in PSO-treated AS patients with thoracolumbar kyphosis. PURPOSE: To investigate the risk factors for RF after PSO for thoracolumbar kyphosis secondary to AS. STUDY DESIGN/SETTING: Retrospective single-center study...
May 21, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29791703/biological-intercalary-reconstruction-with-bone-grafts-after-joint-sparing-resection-of-the-lower-limb-is-this-an-effective-and-durable-solution-for-joint-preservation
#2
Francesco Muratori, Francesca Totti, Antonio D'Arienzo, Maurizio Scorianz, Guido Scoccianti, Giovanni Beltrami, Francesco Rosario Campo, Carmine Citarelli, Rodolfo Capanna, Domenico Andrea Campanacci
Due to advances in neoadjuvant therapies and preoperative imaging modalities, joint-sparing resections have become appealing in bone tumor surgery. However, the intercalary reconstruction of metadiaphyseal bone defects of the femur and the tibia after juxta-articular tumor resection remains challenging. Both biological and prosthetic reconstructions have been used for joint-sparing resections, but little is known about the long-term outcome of these procedures. The authors reviewed a consecutive series of 64 patients treated with joint-sparing intercalary resection and reconstruction with bone grafts...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791694/filling-open-screw-holes-in-the-area-of-metaphyseal-comminution-does-not-affect-fatigue-life-of-the-synthes-variable-angle-distal-femoral-locking-plate-in-the-ao-ota-33-a3-fracture-model
#3
Luis Grau, Kevin Collon, Ali Alhandi, David Kaimrajh, Maria Varon, Loren Latta, Fernando Vilella
INTRODUCTION: The aim of this study is to evaluate the biomechanical effect of filling locking variable angle (VA) screw holes at the area of metaphyseal fracture comminution in a Sawbones® (Sawbones USA, Vashon, Washington) model (AO/OTA 33A-3 fracture) using a Synthes VA locking compression plate (LCP) (Depuy Synthes, Warsaw, Indiana). MATERIALS AND METHODS: Seven Sawbones® femur models had a Synthes VA-LCP placed as indicated by the manufacturers technique...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791019/withdrawn-treatments-for-adults-with-prominent-lower-front-teeth
#4
REVIEW
Hideko Minami-Sugaya, Débora A Lentini-Oliveira, Fernando R Carvalho, Marco Antonio C Machado, Clóvis Marzola, Humberto Saconato, Gilmar F Prado
BACKGROUND: Prominent lower front teeth may be associated with a large or prognathic lower jaw (mandible) or a small or retrusive upper jaw (maxilla). Edward Angle, who may be considered the father of modern orthodontics, classified the malocclusion in this situation as Class III. The individual is described as having a negative or reverse overjet as the lower front teeth are more prominent than the upper front teeth. OBJECTIVES: The purpose of this systematic review was to evaluate different treatments of Angle Class III malocclusion in adults...
May 23, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29789255/combined-tibial-tubercle-osteotomy-and-medial-patellofemoral-ligament-reconstruction-for-recurrent-lateral-patellar-instability-in-patients-with-multiple-anatomic-risk-factors
#5
Melissa M Allen, Aaron J Krych, Nick R Johnson, Rohith Mohan, Michael J Stuart, Diane L Dahm
PURPOSE: To report the outcomes for combined tibial tubercle osteotomy (TTO) and medial patellofemoral ligament (MPFL) reconstruction and assess for potential risk factors for recurrent instability and/or poor outcomes. METHODS: The medical record at our institution was reviewed for patients treated with MPFL reconstruction and TTO for recurrent lateral patellar instability from 1998 to 2014. Preoperative imaging was assessed for trochlear dysplasia according to the Dejour classification (high grade = B, C, D) and the presence of patella alta using the Caton-Deschamps ratio (>1...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789249/the-relationship-of-femoral-tunnel-positioning-in-medial-patellofemoral-ligament-reconstruction-on-clinical-outcome-and-postoperative-complications
#6
Philippe M Tscholl, Lukas Ernstbrunner, Linda Pedrazzoli, Sandro F Fucentese
PURPOSE: To analyze the relation of the femoral tunnel (FT) positioning on clinical outcome. METHODS: Patients with recurrent patellar dislocation who underwent medial patellofemoral ligament (MPFL) reconstruction with or without tibial tubercle osteotomy between 1998 and 2012 were included in this retrospective study. Strict postoperative lateral radiographs were mandatory. Knees with previous osseous stabilization surgery, fixed lateral patellar dislocation, valgus knee (>5°), or open growth plates were excluded...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29787542/hemorrhagic-shock-alters-fracture-callus-composition-and-activates-the-il6-and-rankl-opg-pathway-in-mice
#7
Katrin Bundkirchen, Christian Macke, Nina Angrisani, Luisa M Schäck, Sandra Noack, Michael Fehr, Christian Krettek, Claudia Neunaber
BACKGROUND: Fracture and hemorrhagic shock often lead to impaired fracture healing. To elucidate underlying pathogenesis this study aims to analyze histological properties during fracture healing after hemorrhagic shock and involved signaling pathways in mice. METHODS: Male C57BL/6NCrl mice were assigned into five groups. Control group underwent no interventions. Sham group got a catheter and external fixator but neither blood loss nor osteotomy. Trauma-hemorrhage (TH) group received a pressure controlled hemorrhagic shock, osteotomy (Fx) group an osteotomy and fixator, and combined trauma (THFx) group both hemorrhagic shock and externally fixed osteotomy...
April 30, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29787463/lateral-patellar-instability-in-the-skeletally-mature-patient-evaluation-and-surgical-management
#8
David R Diduch, Abdurrahman Kandil, M Tyrrell Burrus
Lateral patellar instability is a common disease process that affects all types of patients. Depending on the patient's anatomy and the results of preoperative imaging, surgical management options include medial patellofemoral ligament reconstruction, tibial tubercle osteotomy, and sulcus-deepening trochleoplasty. Medial patellofemoral ligament reconstruction or repair is useful for almost all patients, whereas tibial tubercle osteotomy is helpful to correct a lateralized tibial tubercle and the associated elevated lateral pull of the extensor mechanism...
May 18, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29787302/orthodontic-surgical-approach-for-treating-skeletal-class-iii-malocclusion-with-severe-maxillary-deficiency-in-isolated-cleft-palate
#9
Kohei Nakatsugawa, Hiroshi Kurosaka, Kiyomi Mihara, Susumu Tanaka, Tomonao Aikawa, Mikihiko Kogo, Takashi Yamashiro
Orthodontic treatment in patients with orofacial cleft such as cleft lip and palate or isolated cleft palate is challenging, especially when the patients exhibit severe maxillary growth retardation. To correct this deficiency, maxillary expansion and protraction can be performed in the first phase of orthodontic treatment. However, in some cases, the malocclusion cannot be corrected by these procedures, and thus, skeletal discrepancy remains when the patients are adolescents. These remaining problems occasionally require various orthognathic treatments according to the degree of the discrepancy...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29787301/innovative-surgical-treatment-of-severe-cherubism
#10
Ji H Son, Danielle C Marshall, Manish Valiathan, Todd Otteson, Gerald Ferretti, Paula A Grigorian, Carol Rosen, Devra Becker, David Rowe, Hooman Soltanian, Gregory Lakin
BACKGROUND: Cherubism is an autosomal dominant syndrome characterized by excessive bilateral maxillomandibular bony degeneration and fibrous tissue hyperplasia. Conservative management is the preferred treatment as cherubism has a self-limiting course. Functional or emotional disturbances may, however, demand surgical intervention. We report a patient who underwent surgical intervention. Method/Description: He had significant enlargement of lower cheeks and bilateral lower lid scleral show...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29785447/posterior-cortical-breakage-leads-to-posterior-tibial-slope-change-in-lateral-hinge-fracture-following-opening-wedge-high-tibial-osteotomy
#11
Sung-Sahn Lee, Kyung-Wook Nha, Dae-Hee Lee
PURPOSE: This study was designed to analyze the relationship between changes in posterior tibial slope and the absence or presence of lateral hinge fracture, diagnosed in the sagittal and axial planes, as well as the coronal plane, by computed tomography (CT) following opening wedge high tibial osteotomy (HTO). METHODS: This study involved 55 patients (55 knees) undergoing opening wedge HTO for primary medial osteoarthritis. Lateral hinge fractures were evaluated on CT scans according to the Takeuchi classification and were also classified as subtypes A, B, and C, depending on anterior, posterior, and both anterior and posterior cortical disruptions, respectively, as determined by the sagittal and axial planes of CT scans which corresponded to the fracture line visible on coronal CT scans...
May 21, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29785313/management-of-an-infected-nonunion-of-an-opening-wedge-high-tibial-osteotomy-with-2-stage-implantation-of-rotating-hinge-knee-prosthesis
#12
Sandrine Mariaux, Olivier Borens
Introduction: High tibial osteotomy (HTO) is a frequent and effective treatment for unicompartmental gonarthritis. Only a few articles are focused on the treatment of infected nonunion. Patient and Method: A 50-year-old obese patient was operated on by medial opening-wedge HTO. She developed a painful nonunion treated by hardware removal, allograft, and plate fixation. However, the nonunion persisted. 2 years later, cellulitis appeared with an abscess adjacent to the HTO plate...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29784055/usefulness-of-c-reactive-protein-and-serum-amyloid-a-in-early-detection-of-postoperative-infectious-complications-to-tibial-plateau-leveling-osteotomy-in-dogs
#13
Karin Löfqvist, Mads Kjelgaard-Hansen, Michelle Brønniche Møller Nielsen
BACKGROUND: Cranial cruciate ligament rupture is a prevalent injury in dogs, and tibial plateau leveling osteotomy (TPLO) is one of the preferred surgical techniques. Surgical site infection is a possible complication following TPLO and measurement of serum acute phase proteins is suggested to be a way to early recognize and distinguish postoperative infectious complications from normal postoperative inflammatory conditions. In this study we investigate the changes in concentrations of the systemic inflammatory markers C-reactive protein (CRP) and serum amyloid A (SAA) following tibial plateau leveling osteotomy (TPLO) in dogs and evaluate if deviations from the changes expectedly induced by the surgical procedure are useful in early detection of post-surgical infections...
May 21, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29784034/comparison-of-three-imaging-modalities-used-to-evaluate-bone-healing-after-tibial-tuberosity-advancement-in-cranial-cruciate-ligament-deficient-dogs-and-comparison-of-the-effect-of-a-gelatinous-matrix-and-a-demineralized-bone-matrix-mix-on-bone-healing-a-pilot
#14
Marije Risselada, Matthew D Winter, Daniel D Lewis, Emily Griffith, Antonio Pozzi
BACKGROUND: Bone healing and assessment of the state of bone bridging is an important part of clinical orthopedics, whether for fracture healing or for follow up of osteotomy procedures. Tibial tuberosity advancement (TTA) is designed to restore stability in cruciate deficient stifle joints by advancing the tuberosity while creating an osteotomy gap. The current study aims to: 1) compare three different imaging modalities to assess bone healing: ultrasound, radiographs and computed tomography (CT) and, to 2) compare the effect of a gelatinous matrix (GM) versus a demineralized bone matrix mix (DBM mix) on bone healing and bridging of this osteotomy gap in 10 otherwise healthy client-owned dogs with cranial cruciate ligament insufficiency...
May 22, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29783086/biomechanical-comparison-of-cemented-vs-non-cemented-anterior-screw-fixation-in-type-ii-odontoid-fractures-in-the-elderly-a-cadaveric-study
#15
Petr Rehousek, Edward Jenner, James Holton, Marcin Czyz, Lukas Capek, Petr Henys, Marketa Kulvajtova, Martin Krbec, Jiri Skala-Rosenbaum
Background Context Odontoid process fractures are the most common injuries of the cervical spine in the elderly. Anterior screw stabilisation of type 2 odontoid process fractures improves survival and function in these patients but may be complicated by failure of fixation. Purpose To determine whether cement augmentation of a standard anterior screw provides biomechanically superior fixation of type II odontoid fractures in comparison to a non-cemented standard screw. Study design Twenty human cadaveric C2 vertebrae from elderly donors (mean age 83 years) were obtained...
May 18, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29781914/corr-insights%C3%A2-closed-reduction-osteotomy-and-fibular-graft-are-effective-in-treating-pediatric-femoral-neck-pseudarthrosis-after-infection
#16
Lewis E Zionts
No abstract text is available yet for this article.
May 17, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29781363/karl-ludloff-1864-1945-an-inventive-orthopedic-surgeon-his-work-and-his-surgical-technique-for-the-correction-of-hallux-valgus
#17
Konstantinos Markatos, Georgios Karaoglanis, Christos Damaskos, Nikolaos Garmpis, Gerasimos Tsourouflis, Konstantinos Laios, Gregory Tsoucalas
The purpose of this article is to summarize the work and pioneering achievements in the field of orthopedic surgery of the German orthopedic surgeon Karl Ludloff. Ludloff had an impact in the diagnostics, physical examination, orthopedic imaging, and orthopedic surgical technique of his era. He was a pioneer in the surgical treatment of dysplastic hip, anterior cruciate ligament reconstruction, and hallux valgus. His surgical technique for the correction of hallux valgus, initially stabilized with plaster of Paris, remained unpopular among other orthopedic surgeons for decades...
May 1, 2018: Surgical Innovation
https://www.readbyqxmd.com/read/29781156/effects-of-low-intensity-pulsed-ultrasound-on-radiographic-healing-of-tibial-plateau-leveling-osteotomies-in-dogs-a-prospective-randomized-double-blinded-study
#18
Nina R Kieves, Sherman O Canapp, Peter J Lotsikas, Scott A Christopher, Christopher S Leasure, Debra Canapp, Patrick R Gavin
OBJECTIVE: To determine the influence of low-intensity pulsed ultrasound (LIPUS) on radiographic healing and limb function after uncomplicated, stable osteotomies in dogs. STUDY DESIGN: In vivo, prospective, randomized, double-blinded, placebo-control study. SAMPLE POPULATION: Fifty client-owned dogs. METHODS: Fifty client-owned dogs with naturally occurring unilateral cranial cruciate ligament rupture were enrolled prior to tibial plateau leveling osteotomy...
May 20, 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29780914/rescue-technique-for-complete-removal-of-an-accidentally-ruptured-orbital-dumbbell-deep-dermoid-cyst-a-case-report
#19
Pei-Hsuan Lin, Yoshiyuki Kitaguchi, Jacqueline Mupas-Uy, Yasuhiro Takahashi, Hirohiko Kakizaki
Purpose: To report a rescue technique for complete removal of an accidentally ruptured orbital dumbbell deep dermoid cyst. Observations: A 33-year-old female presented with left proptosis with retrobulbar discomfort for 3 months. Computed tomography images showed an orbital dumbbell deep dermoid cyst. A lateral orbitotomy was performed under general anesthesia. The cyst was ruptured during osteotomy of the lateral orbital rim. The cyst was opened vertically from the ruptured site using a Stephen's tenotomy scissors to visually confirm the internal wall of the cyst and to keep the epithelial lining intact while separating the external wall of the cyst from the bone...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29777422/patellofemoral-cartilage-repair
#20
REVIEW
Alexandre Barbieri Mestriner, Jakob Ackermann, Andreas H Gomoll
PURPOSE OF REVIEW: This review provides an overview of well-established and newly developed cartilage repair techniques for cartilage defects in the patellofemoral joint (PFJ). An algorithm will be presented for approaching cartilage defects considering the distinct anatomy of both the patellar and trochlear articular surfaces. RECENT FINDINGS: Recent studies on cartilage repair in the PFJ have demonstrated improved outcomes in an attempt to delay or obviate the need for arthroplasty, and improve symptoms in young patients...
May 18, 2018: Current Reviews in Musculoskeletal Medicine
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