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Orthopaedics & Traumatology, Surgery & Research: OTSR

Gaoju Wang, Dianming Jiang, Qing Wang, Shuang Xu, Jin Yang, Chaohua Yang
The treatment of hangman's fracture is controversial. If treated with a traditional surgical procedure, there will likely be many complications, such as kyphosis, pseudarthrosis and nonunion. Our present study aims to describe a bucking bar method with pedicle screw fixation to treat hangman's fracture. Thirty-two patients with an unstable hangman's fracture who underwent posterior C2-3 pedicle lag screw fixation surgery assisted by a bucking bar between May 2004 and Jan 2017 were evaluated. All the participating patients were successfully treated using this novel technique, and follow-up revealed anatomical fusion in 27 patients, incomplete fusion in 4 patients, and C2-3 angular deformity healing in 1 patient...
April 19, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Roshan Raghavan, Alistair Jones, Amitabh J Dwyer
BACKGROUND: Displaced lateral humeral condyle fractures in children are usually treated with open reduction and internal fixation. When treated operatively with Kirschner wires, the bent cut near side wire ends are either buried in the subcutaneous tissue or are left exposed. It is believed that burying the wires allows them to remain in longer and hence facilitate better union. Leaving them exposed seems to necessitate earlier removal, especially to reduce the risk of wire tract infection...
April 19, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Yasuyuki Kawaguchi, Eiji Kondo, Norimasa Iwasaki, Yasuhito Tanaka, Tomonori Yagi, Kazunori Yasuda
INTRODUCTION: Implantation of autogenous meniscal fragments wrapped with a fascia sheath significantly enhances fibrocartilage regeneration in vivo in defect cases at 12 weeks after implantation. The specific effects of the implanted autologous living chondrocytes and meniscal matrix have not been elucidated, however. The aim of this study was to clarify the role of autologous living chondrocytes contained in the meniscal matrix in in vivo meniscus regeneration induced by in situ meniscus fragment implantation...
April 18, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
In Jun Koh, Charles C Lin, Nilay A Patel, Christen E Chalmers, Mauro Maniglio, Sung Bin Han, Michelle H McGarry, Thay Q Lee
BACKGROUND: A growing body of evidence supports that kinematically aligned (KA) total knee arthroplasty (TKA) provides superior clinical outcomes and satisfaction than mechanically aligned (MA) TKA. In theory, KA TKA would restore knee kinematics closer to the native condition than MA TKA, but the current biomechanical evidence is lacking. HYPOTHESIS: KA TKA would restore knee biomechanics to the native condition better than MA TKA. METHODS: Seven pairs of cadavers were tested...
April 18, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Henri Migaud, Emmanuel Chazard, Raphaël Seringe, Philippe Beaufils
No abstract text is available yet for this article.
April 18, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Solène Prost, Cédric Barrey, Benjamin Blondel, Stéphane Fuentes, Laurent Barresi, Benjamin Nicot, Vincent Challier, Maxime Lleu, Joël Godard, Pascal Kouyoumdjian, Nicolas Lonjon, Paulo Marinho, Eurico Freitas, Sébastien Schuller, Jérémy Allia, Julien Berthiller, Yann Philippe Charles
BACKGROUND: Hangman's fractures account for 15% to 20% of all cervical spine fractures. The grading system developed by Effendi and modified by Levine and Edwards is generally used as the basis for management decisions. Nonetheless, the optimal management remains controversial. The objective of this study was to describe the treatments used in France in patients with hangman's fractures. The complications and healing rates were analysed according to the fracture type and treatment used...
April 17, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Yoann Blache, Biova Kouevidjin, Jacques de Guise, Raphaël Dumas, Adnan Saithna, Bertrand Sonnery-Cottet, Mathieu Thaunat
INTRODUCTION: Variations in the length of lateral extra-articular reconstruction (LER) have been widely investigated during knee flexion but there is no information about length changes during pivot shift. This study sought to assess the changes in LER tension during weightbearing knee flexion in a normal knee and in a computer-simulated pivot-shift scenario. HYPOTHESIS: Placing the femoral tunnel posterior and proximal to the lateral femoral epicondyle allows the LER to tighten early in the flexion range during weightbearing (squatting motion) and simulated pivot-shift...
April 17, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Gino Martínez, Alejandro Gündel, Pablo Ruiz, Ismael Cañete, Felipe Hodgson
INTRODUCTION: There are different techniques for gradual correction of angular deformities in lower limbs. The use of screws and non-absorbable filament have been described as an effective alternative for transitory hemiepiphysiodesis in pediatric population. HYPOTHESIS: In pediatric population with genu valgum there are no differences in outcome between hemiepiphysiodesis, using screws and non-absorbable filament (SNAF) versus 8-plate. METHODS: Retrospective evaluation, 44 knees in 22 patients younger than 15 years, with idiopathic genu valgum, were operated on...
April 15, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Frédéric Sailhan, Solène Prost, Sabrina Hallout, Fahed Zairi, Olivier Gille, Hughes Pascal-Mousselard, Saad Bennis, Yann-Philippe Charles, Benjamin Blondel, Stéphane Fuentes
No abstract text is available yet for this article.
April 12, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Jonathan Lynch, Charles C Yu, Chaoyang Chen, Stephanie Muh
INTRODUCTION: The severity of distal biceps tendon (DBT) injuries ranges from partial to complete tears leading to various clinical manifestation. Accuracy of early diagnosis and selection of treatment are critical to long-term recovery outcomes. Magnetic resonance imaging (MRI) or ultrasonography (US) are two commonly modalities for pre-operative diagnosis. The objective of this study was to determine the efficiency of MRI and ultrasonography US in the diagnosis of DBT rupture confirmed by operative findings...
April 12, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Régis Gamain, Rémy Coulomb, Karim Houzir, Nicolas Molinari, Pascal Kouyoumdjian, Nicolas Lonjon
BACKGROUND: Surgical site infection is reputed to be infrequent in anterior cervical spine surgery. Data on pathophysiological mechanism and risk factors are sparse. The relationship between local site infection and pharyngoesophageal perforation is unclear. The present study aimed: (1) to estimate the incidence of surgical site infection in anterior cervical spine surgery, (2) estimate the incidence of associated pharyngoesophageal perforation, and (3) suggest a decision-tree for early management of this two-fold issue...
April 12, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Gauthier Gracia, Camille Thévenin-Lemoine, Pierre Laumonerie, Jérôme Sales de Gauzy, Franck Accadbled
BACKGROUND: Anterior cruciate ligament (ACL) tears are becoming more common and occurring at earlier ages in the paediatric population. The surgical indications and the optimal time for surgery, technique, and graft type remain controversial in skeletally immature patients. Growth disturbances have been reported after ACL reconstruction, further complicating treatment decisions. The primary objective of this study was to describe current practices of French Arthroscopy Society (Société Francophone d'Arthroscopie, SFA) members regarding ACL tear management in skeletally immature patients...
April 11, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Robin Evrard, Thomas Schubert, Laurent Paul, Pierre-Louis Docquier
BACKGROUND: Limb salvage surgery for pelvic bone sarcoma carries a very high risk of local recurrence. Patient-specific instruments (PSIs) have shown promise for obtaining tumour-free resection margins. However, no data are available on medium-term outcomes including local recurrence rates after PSI-guided resection. The objectives of this case-control study were to determine whether PSI-guided resection: 1) was associated with a lower local recurrence rate, 2) allowed a shorter operative time, 3) was associated with better-quality allograft reconstruction...
April 11, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Dominique Barbier, Pierre Journeau, Pierre Lascombes, Bruno Dohin, Jérôme Cottalorda, Jérôme Sales de Gauzy
BACKGROUND: Intra-medullary osteosclerosis of the tibia is a rare condition characterised by chronic pain due to diaphyseal hyperostosis with no detectable triggering factor. The main differential diagnoses are stress fracture and osteoid osteoma. Of the few cases reported to date, most were in adults. The objective of this study was to assess paediatric patients with intra-medullary osteosclerosis to determine whether the first visit provides sufficient information to establish the diagnosis and rule out both osteoid osteoma and stress fracture, whether a biopsy is required, and which treatment is optimal...
April 8, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Jean-Gabriel Delvaque, Thierry Bégué, Benoit Villain, Nasser Mebtouche, Jean-Charles Aurégan
BACKGROUND: Mid-shaft clavicle fractures are common and may require surgery. The objective of this study in adults with high-risk mid-shaft clavicle fractures was to evaluate the clinical and radiological outcomes of a minimally invasive surgical technique involving a minimally invasive approach, fracture reduction, temporary intra-operative external fixation, and locking plate internal fixation. HYPOTHESIS: This minimally invasive surgical technique for mid-shaft clavicle fractures ensures satisfactory radiographic fracture healing and medium-term functional outcomes, with a short immobilisation, rapid return to sports, and low complication rate...
April 8, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Gauthier Gracia, Christiane Baunin, Julie Vial, Franck Accadbled, Jérôme Sales de Gauzy
BACKGROUND: Outcome prediction at the early sclerotic stage of Legg-Calvé-Perthes disease (LCPD) is valuable to select patients likely to benefit from early surgery. The metaphyseal apparent diffusion coefficient (ADC) ratio correlated significantly with Herring's classification of LCPD in a preliminary study of 49 MRIs, in which values greater than 1.63 were associated with poor outcomes. The objective of this study was to determine whether the femoral neck ADC ratio, with the 1.63 cut-off, determined at the initial stage of LCPD correlated with medium-term radiographic outcomes...
April 5, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Anne Gomez-Brouchet, Eric Mascard, Aurore Siegfried, Gonzague de Pinieux, Nathalie Gaspar, Corinne Bouvier, Sébastien Aubert, Perrine Marec-Bérard, Sophie Piperno-Neumann, Béatrice Marie, Frédérique Larousserie, Christine Galant, Fabrice Fiorenza, Philippe Anract, Jérôme Sales de Gauzy, François Gouin
BACKGROUND: Standardized reports are essential to meeting the bone sarcoma reference center certification requirements of the French National Cancer Institute (INCa). The usual classifications of the Musculoskeletal Tumor Society (MSTS), the American Joint Committee on Cancer (AJCC/IUCC) TNM R classification and the American College of Pathologists, are inexact inasmuch as they fail to include chemotherapy impact on tumor cells in assessing surgical margins. This leads to inconsistent interpretation by teams managing bone sarcoma...
April 5, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Camille Echalier, Julien Uhring, Julie Ritter, Pierre-Bastien Rey, Emmanuelle Jardin, Séverin Rochet, Laurent Obert, François Loisel
BACKGROUND: Improved knowledge of normal shoulder girdle proprioception should benefit the treatment and rehabilitation of shoulder disorders. Whereas many of the available methods for assessing joint position sense (JPS) are costly and complex, Balke et al. have described a simple test. The primary objective of this study was to use this test to identify factors that influence shoulder-girdle JPS evaluation in healthy individuals. The secondary objective was to determine reference values based on the values obtained and on the factors associated with their variability...
April 4, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Joseph A Karam, Roy Eid, Gabi Kreichati, Rami Abiad, Khalil Kharrat, Ismat B Ghanem
INTRODUCTION: The vertical position of the thoracic pad is a subject of controversy in brace design. Traditional recommendations dictate a maximal force applied at the level of the apical rib, about 2 levels below the apical vertebra. We sought to evaluate the optimal vertical position of the brace thoracic pad using fulcrum bending radiographs. HYPOTHESIS: A lateral force applied at the apical vertebra of a thoracic curve is more efficient at correcting coronal deformity than a force placed the apical rib...
April 4, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
Julie Manon, Christine Detrembleur, Simon Van de Veyver, Karim Tribak, Olivier Cornu, Dan Putineanu
INTRODUCTION: Intramedullary (IM) nailing is the gold standard treatment for tibial shaft fractures, but can be associated with various mechanical complications, including delayed union. HYPOTHESIS: We believe that complications do not occur randomly, but in certain conditions that contribute to their development. Risk factors likely to predict delayed union can be identified to support prevention. MATERIALS AND METHODS: A cohort of 171 fractures treated by IM nailing between 2005 and 2015 was reviewed retrospectively...
April 3, 2019: Orthopaedics & Traumatology, Surgery & Research: OTSR
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