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https://www.readbyqxmd.com/read/28445374/treatment-of-isolated-zygomatic-arch-fracture-improved-outcomes-with-external-splinting
#1
David I Hindin, Corbin E Muetterties, Chirag Mehta, Stefanos Boukovalas, Justine C Lee, James P Bradley
BACKGROUND: The various approaches to reduction and fixation of isolated displaced zygomatic arch fractures have not been well studied. The authors compared established treatment methods for zygomatic arch fractures for both aesthetic and functional outcomes. METHODS: Consecutive patients with isolated zygomatic arch fractures with a minimum of 6 months' follow-up were studied in five groups: group 1, intraoral approach (no fixation); group 2, temporal approach (no fixation); group 3, coronal flap plate fixation; group 4, external splint fixation; and group 5, no surgery...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28442207/tibio-talo-calcaneal-fusion-after-limb-salvage-procedures-a-retrospective-study
#2
Lukas Zak, Gerald E Wozasek
BACKGROUND: The treatment of limb threatening trauma on the distal tibia or hindfoot often results in posttraumatic osteoarthritis requiring tibiotalocalcaneal (TTC) arthrodesis. The purpose of this study was to present a case series of patients undergoing various techniques of joint fusion after bone reconstruction and deformity correction as a salvage procedure. The study should help trauma surgeons making decisions in limb salvage and deformity correction in complex lower leg and foot injuries by presenting options and treatment strategies...
April 15, 2017: Injury
https://www.readbyqxmd.com/read/28439819/lengthening-of-the-humerus-with-intramedullary-lengthening-nails-preliminary-report
#3
Julian Fürmetz, Søren Kold, Nikola Schuster, Florian Wolf, Peter H Thaller
Distraction osteogenesis of the humerus with fully implantable lengthening is now possible since the diameter of the available nails was reduced to 10 mm and below. We report on the first intramedullary lengthening cases of the humerus with two different lengthening devices (FITBONE and PRECICE). Two different approaches and implantation techniques were used. We retrospectively reviewed clinical and radiographic data and pointed out results, pitfalls and complications of the procedure. Four adult patients with relevant length discrepancy of the humerus were treated with fully implantable systems in two centers between 2012 and 2015...
April 24, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28439779/searching-for-an-internal-representation-of-stimulus-kinematics-in-the-response-of-ventral-paraflocculus-purkinje-cells
#4
Pablo M Blazquez, GyuTae Kim, Tatyana A Yakusheva
Motor control theories propose that the central nervous system builds internal representations of the motion of both our body and external objects. These representations, called forward models, are essential for accurate motor control. For instance, to produce a precise reaching movement to catch a flying ball, the central nervous system must build predictions of the current and future states of both the arm and the ball. Accumulating evidence suggests that the cerebellar cortex contains a forward model of an individual's body movement...
April 24, 2017: Cerebellum
https://www.readbyqxmd.com/read/28439311/treatment-of-shepherd-s-crook-deformity-in-patients-with-polyostotic-fibrous-dysplasia-using-a-new-type-of-custom-made-retrograde-intramedullary-nail-a-technical-note
#5
F Hefti, L Donnan, A H Krieg
AIMS: The severe form of coxa vara, the 'shepherd's crook deformity', is always a consequence of a locally extensive form of polyostotic fibrous dysplasia (or McCune-Albright syndrome). Treatment of this deformity is a challenge. The soft bone does not tolerate any implant that depends on the stability of the cortical bone (like plates or external fixators). Intramedullary nails are the most appropriate implants for stabilisation, but if they are inserted from the greater trochanter, they cannot correct the varus deformity enough...
2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28438418/radiological-evaluation-of-ankle-arthrodesis-with-ilizarov-fixation-compared-to-internal-fixation
#6
Piotr Morasiewicz, Maciej Dejnek, Wiktor Urbański, Szymon Łukasz Dragan, Mirosław Kulej, Szymon Feliks Dragan
INTRODUCTION: We asked whether the type of ankle joint arthrodesis stabilization will affect: (1) rate of union, (2) rate of adjacted-joint arthritis, (3) malalignment of the ankle joint. MATERIAL AND METHODS: We retrospectively radiological studied 62 patients who underwent ankle arthrodesis with Ilizarov external fixator stabilization (group 1,n=29) or internal stabilization (group 2,n=33) from 2006 to 2015. Radiologic outcomes were mesure by: (1) rate of union, (2) rate of adjacent-joint arthritis, (3) malalignment of the ankle joint...
April 13, 2017: Injury
https://www.readbyqxmd.com/read/28437504/effect-of-plate-in-close-proximity-to-empty-external-fixation-pin-site-on-long-bone-torsional-strength
#7
Fred L Speck, Randal P Morris, Ronald W Lindsey
Complex tibia fractures are often provisionally stabilized with external fixation prior to definitive fracture fixation. Bicortical defects, such as those left after removal of a fixator pin, can decrease the torsional strength of long bone. Evaluating the effect of subsequent plate fixation in close proximity to a defect on the torsional strength of the tibia is the purpose of this study. Eight groups of 5 fourth-generation left composite tibias were tested to failure in torsion. The experimental plated groups consisted of bicortical defects at 3 cm, 2 cm, and 1 cm distal to the plate end, with 1 plated group without a defect...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437334/a-new-fixation-technique-for-french-door-cervical-laminoplasty-surgical-results-with-a-minimum-follow-up-of-6-years
#8
Nanjundappa S Harshavardhana, Harshad V Dabke, Hossein Mehdian
DESIGN: A case series of 5 patients with multilevel cervical myelopathy treated by French-door cervical laminoplasty (FDCL) and use of unicortical iliac crest graft as spacer fixed with titanium miniplates and screws is described. OBJECTIVE: To report a minimum of 6-year follow-up results of our new plate-screw fixation technique for FDCL. SUMMARY OF BACKGROUND DATA: Hardware-assisted laminoplasty has the potential advantage of preventing restenosis by holding the laminar door "open" while healing progresses and also prevents spacer dislodgement...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28435583/ulnar-osteotomy-with-2-pin-unilateral-gradual-distraction-for-treatment-of-chronic-monteggia-fracture-a-case-report
#9
S G Gooi, C S Wang, A Saw, O Zulkiflee
Missed Monteggia fracture leading to chronic radial head dislocation is a known complication. The surgical treatment options remain challenging. The aim of treatment is to reduce the radial head and to maintain the stability of the elbow in all ranges of motion. A few surgical techniques have been described with complications. We report the case of a 13 years old boy with chronic radial head dislocation as a result of an unrecognised Monteggia fracture-dislocation for eight years. We successfully reduced the radial head and corrected the cubital valgus from 45 degrees to 10 degrees with a proximal ulna osteotomy and gradual distraction with 2-pin Monotube external fixator...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28435567/role-of-antibiotic-cement-coated-nailing-in-infected-nonunion-of-tibia
#10
C Bhatia, A K Tiwari, S B Sharma, S Thalanki, A Rai
INTRODUCTION: Infected nonunion of long bones is a chronic and debilitating disorder. It is more difficult to deal with when the implant used for internal fixation itself becomes a potential media for infection because of bacterial adhesion and biofilm formation. Traditionally, it is managed by two-stage procedure for controlling the infection first and then treating the nonunion. This study has been undertaken to explore antibiotic cement coated nailing as single stage treatment modality for treating infection and achieving stability at the same time...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28435560/humeral-supracondylar-fractures-in-children-a-novel-technique-of-lateral-external-fixation-and-kirschner-wiring
#11
R Y Kow, A R Zamri, J K Ruben, S Jamaluddin, M T Mohd-Nazir
Introduction: Supracondylar fracture of the humerus is the most common fracture around the elbow in children. Pinning with Kirschner wires (K-wires) after open or closed reduction is generally accepted as the primary treatment modality. However, it comes with the risk of persistent instability and if the K-wire is not inserted properly, it may cause displacement and varus deformity. We present our two-year experience with a new technique of lateral external fixation and K-wiring of the humeral supracondylar fracture...
July 2016: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28430720/the-effect-of-insertion-technique-on-temperatures-for-standard-and-self-drilling-external-fixation-pins
#12
Sarah Manoogian, Adam K Lee, James C Widmaier
OBJECTIVES: No studies have assessed the effects of parameters associated with insertion temperature in modern self-drilling external fixation pins. The current study assessed how varying the presence of irrigation, insertion speed, and force impacted the insertion temperatures of two types of standard and self-drilling external fixation half pins. METHODS: Seventy tests were conducted with ten trials for four conditions on self-drilling pins and three conditions for standard pins...
April 6, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28429173/a-new-approach-to-local-dco-in-ankle-fracture-dislocations-external-fixation-with-diaphyseal-unicortical-screws-applied-by-local-anaesthesia
#13
F Lavini, T Maluta, G Carpeggiani, C Dall'Oca, E Samaila, G Marconato, B Magnan
PURPOSE: Ankle fracture dislocations represent a great threat for soft tissue viability and articular instability. The use of a temporary ankle bridging ExFix plays a fundamental role in the local damage control orthopaedics while waiting for definitive synthesis. METHODS: For this prospective research, we have developed a full application protocol of innovative diaphyseal monocortical screws fixator (Unyco-Orthofix(TM)) exclusively under local anaesthesia. Rigid selection criteria allowed us to collect nine patients during a period of almost 2 years...
April 20, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28428035/evaluation-of-the-external-fixator-truelok-hexapod-system-for-tibial-deformity-correction-in-children
#14
Sébastien Pesenti, Christopher A Iobst, Franck Launay
BACKGROUND: Tibial deformities are common in paediatric orthopaedic practice. Correcting multiplanar tibial deformities associated with lower limb length discrepancycan be challenging. Hexapod external fixation with gradual correction has been proven effective in this situation. OBJECTIVE: To assess clinical and radiological outcomes of gradual tibial deformity correction using the external fixator TL-HEX(TM)(Orthofix) in children. HYPOTHESIS: TL-HEX™ is effective in correcting tibial deformities in children...
April 17, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28423441/-thumb-lengthening-following-amputation-at-the-proximal-phalanx-using-a-semicircular-distraction-ring-fixator-results-of-5-cases
#15
Elvira Susanne Bodmer, Rahel Meier, Theddy Slongo, Esther Voegelin
Traumatic amputation of the thumb at the proximal phalanx or the metacarpophalangeal joint can be treated by distraction lengthening depending on the location of the amputation, the patient's age, occupation and functional demands. We report the results of proximal phalanx lengthening in 5 patients using a semicircular ring-type external fixator device. This prototype was developed at our clinic in collaboration with a specialised small company (Rotomed AG, Allmenstrasse 4, CH-4512 Bellach, www.rotomed.ch) based on the principles of Ilizarov's external fixator...
February 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28420623/externalised-locking-compression-plate-as-an-alternative-to-the-unilateral-external-fixator-a-biomechanical-comparative-study-of-axial-and-torsional-stiffness
#16
B F H Ang, J Y Chen, A K S Yew, S K Chua, S M Chou, S L Chia, J S B Koh, T S Howe
OBJECTIVES: External fixators are the traditional fixation method of choice for contaminated open fractures. However, patient acceptance is low due to the high profile and therefore physical burden of the constructs. An externalised locking compression plate is a low profile alternative. However, the biomechanical differences have not been assessed. The objective of this study was to evaluate the axial and torsional stiffness of the externalised titanium locking compression plate (ET-LCP), the externalised stainless steel locking compression plate (ESS-LCP) and the unilateral external fixator (UEF)...
April 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28419034/complications-and-functional-outcomes-after-pantalar-dislocation
#17
Kaeleen A Boden, Douglas S Weinberg, Heather A Vallier
BACKGROUND: Pantalar dislocations without associated talar fracture are rare and have high risks of complications, including infection, osteonecrosis, and posttraumatic osteoarthrosis. Limited information on later function exists. This study evaluated complications and outcomes following pantalar dislocation without talar fracture. METHODS: Nineteen patients were identified with open (n = 14) or closed (n = 5) pantalar dislocations without talar fracture. Ten male and 9 female patients with a mean age of 39...
April 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28417290/unilateral-external-fixator-in-the-treatment-of-humeral-shaft-fractures-results-of-a-single-center-retrospective-study
#18
M Basso, M Formica, L Cavagnaro, M Federici, M Lombardi, F Lanza, L Felli
BACKGROUND: The aim of our work is to evaluate and critically analyze long-term clinical and radiological data of a new unilateral external fixator (MIKAI KIT FEP©-Mikai S.p.A, Genoa, Italy), in the treatment of humeral shaft fractures. MATERIALS AND METHODS: We reviewed 47 patients affected by humeral fractures that underwent surgery from July 2010 to March 2016 with unilateral external fixator. Demographic characteristics of the patients were recorded, which included age, sex and baseline comorbidities and mechanism of injury...
April 17, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28416831/-morphology-character-and-reduction-methods-of-sagittally-unstable-intertrochanteric-fractures
#19
S Zhang, J Y Zhang, D M Yang, M Yang, P X Zhang
OBJECTIVE: To investigate the morphology character of sagittally unstable intertrochanteric fractures and reduction methods. METHODS: A retrospective study was used to analyze the clinical data of sagittally unstable intertrochanteric fractures cases, which were treated with proximal femoral nail anti-rotation (PFNA) fixation from March 2009 to June 2016. In the study, 36 cases were followed up completely, in which 17 cases accepted open reduction, and the other 19 cases accepted minimally invasive reduction...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28414721/a-novel-smart-navigation-system-for-intramedullary-nailing-in-orthopedic-surgery
#20
Jaesuk Choi, Jihun Kim, Jae Youn Hwang, Minkyu Je, Jun-Young Kim, Shin-Yoon Kim
This paper proposes a novel smart surgical navigation system for intramedullary nailing in orthopedic surgery. Using a handle-integrated laser guidance module, the system can target a drill insertion point onto skin, indicating an accurate target position to perpendicularly access an invisible distal hole. The proposed handle-integration-based fixation of the laser guidance module precisely defines the relative position of the module with respect to the distal hole. Consequently, unlike conventional systems, the proposed system can indicate the target insertion point without any help from bulky and costly external position-tracking equipment that is usually required for compensating disturbances generated by external impacts...
2017: PloS One
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