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https://www.readbyqxmd.com/read/28102166/stress-fractures-of-tibia-treated-with-ilizarov-external-fixator
#1
Radosław Górski, Sławomir Żarek, Piotr Modzelewski, Ryszard Górski, Paweł Małdyk
BACKGROUND: Stress fractures are the result of cyclic loading of the bone, which gradually becomes damaged. Most often they are treated by rest or plaster cast and, in rare cases, by internal fixation. There is little published data on initial reposition followed by stabilization with the Ilizarov apparatus in such fractures. MATERIAL AND METHODS: Six patients were treated with an external fixator according to the Ilizarov method for a stress fracture of the tibia between 2007 and 2015...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28095766/clamping-of-fine-kirschner-wires-in-external-fixators
#2
Ahmad R Zamani, S Olutunde Oyadiji
In Ilizarov circular (ring) external fixators, fine Kirschner wires are used to fix the bone to the fixator. Clamping of the wires to the rings with different bolt torques has been studied. However, the relation between the bolt torque and the fixation load applied to the wire was not investigated. In this work, finite element method is used to address this problem. Here, a fully three-dimensional model of the wire fixation assembly was built, with geometric details like threads on the bolt to produce a realistic simulation of the clamping of the wire...
November 2016: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28058661/an-old-mismanaged-lisfranc-injury-treated-by-gradual-deformity-correction-followed-by-the-second-stage-internal-fixation
#3
Mehraj D Tantray, Khurshid Kangoo, Asif Nazir, Muzamil Baba, Raja Rameez, Syed Tabish, Syed Shahnawaz
The Lisfranc fracture-dislocation of the foot is uncommon and diagnosis is often missed. The Lisfranc joint involves the articulation between medial cuneiform and base of the second metatarsal and is considered a keystone to structural integrity to the midfoot. The articulation has a stabilization effect on longitudinal and transverse arches of the foot. A neglected or untreated injury to the Lisfranc joint can lead to secondary arthritis and significant morbidity and disability. We present a case of a neglected Lisfranc fracture-dislocation in a 28-year-old female patient who presented 3 months after injury...
January 5, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28053381/a-simple-method-for-fashioning-an-antibiotic-impregnated-cemented-rod-for-intramedullary-placement-in-infected-non-union-of-long-bones
#4
Ajay Bharti, Umesh Kumar Saroj, Vineet Kumar, Sanjay Kumar, Balram Ji Omar
The intramedullary insertion of antibiotic impregnated PMMA rods, beads or nails are widely used and accepted modality of treatment for chronic osteomyelitis of long bones. But at times it becomes difficult to insert and remove these antibiotic delivery systems owing to narrowed medullary canals. Here we present a technique for preparing PMMA rods with diameter ranging from 6 mm to 3 mm. These rods could easily be placed in narrow intramedullary canal of long bones with chronic osteomyelitis or infected non-union...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28040086/monofocal-bone-transport-technique-for-bone-defects-greater-than-5-cm-in-tibia-our-experience-in-a-case-series-of-24-patients
#5
Kemal Aktuglu, Hüseyin Günay, Jabrayil Alakbarov
BACKGROUND: As the tibial bone defect increases in size, the problems in treatment also increase. The treatment may be problematic but different treatment approaches can be used. Among these approaches, distraction osteogenesis is a method an orthopedic surgeon with limited conditions can use although it has a longer treatment period. In our case series, we evaluated current treatment approaches. METHOD: Retrospective study based on patient records and radiographs...
December 2016: Injury
https://www.readbyqxmd.com/read/28028968/the-use-of-3d-printing-technology-in-the-ilizarov-method-treatment-pilot-study
#6
Karolina Burzyńska, Piotr Morasiewicz, Jarosław Filipiak
BACKGROUND: Significant developments in additive manufacturing technology have occurred in recent years. 3D printing techniques can also be helpful in the Ilizarov method treatment. OBJECTIVES: The aim of this study was to evaluate the usefulness of 3D printing technology in the Ilizarov method treatment. MATERIAL AND METHODS: Physical models of bones used to plan the spatial design of Ilizarov external fixator were manufactured by FDM (Fused Deposition Modeling) spatial printing technology...
November 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28027384/an-anatomical-study-on-the-safe-placement-of-orthopedic-hardware-for-syndesmosis-fixation
#7
Franklin D Shuler, Daniel Woods, Zach Tankersley, Clint McDaniel, Jacob Hamm, Justin Jones, James Denvir, Brian Czarkowski
Articular cartilage and bony contact at the distal tibiofibular cartilage contact zone (TFCCZ) is variable. The appropriate placement of syndesmotic hardware would benefit from a more accurate characterization of the proximal extent of the TFCCZ allowing surgeons to place hardware that simultaneously improves biomechanical stability and decreases the risk of iatrogenic cartilage damage. In addition, Ilizarov wire fixation through the distal fibula and tibia can pass through the syndesmosis recess. Anatomically defining the proximal extent of this recess can help decrease the risk of inadvertent capsular penetration...
December 27, 2016: Orthopedics
https://www.readbyqxmd.com/read/28027146/gradual-deformity-correction-in-blount-disease
#8
Stephanie W Mayer, Elizabeth W Hubbard, Dan Sun, Robert K Lark, Robert D Fitch
BACKGROUND: Blount disease is a disorder of the posteromedial proximal tibial physis which causes a progressive varus, procurvatum, and internal rotation deformity of the tibia. Untreated, it can cause significant limb malalignment. The goal of this study is to evaluate the results of correction of Blount disease using types of external fixation. METHODS: We conducted a retrospective review of 41 patients (51 limbs) who underwent correction of Blount disease with an Ilizarov external fixator or a Taylor spatial frame (TSF) by a single surgeon...
December 23, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28018070/accordion-maneuver-with-modified-ilizarov-frame-for-treatment-of-recalcitrant-nonunion-of-shaft-of-femur-in-a-patient-with-pycnodysostosis
#9
Ranjit Kumar Baruah, Russel Haque
Accordion Maneuver is a strong "Bloodless Tool" in the Ilizarov technology, that helps to bring about healing of nonunion of fractures of long bones. A 50 years old male, a rare case of Pycnodysostosis, presented to us with recalcitrant nonunion of the fracture shaft of the femur after two failed surgical attempts, with a broken plate in the last attempt. We treated this very difficult nonunion by Ilizarov monofocal osteosynthesis with Accordion Maneuver that finally yielded union. This appears to be the only case report of treating such a case with Accordion Maneuver...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27933259/deformity-correction-and-extremity-lengthening-in-the-lower-leg-comparison-of-clinical-outcomes-with-two-external-surgical-procedures
#10
Eugen Reitenbach, Robert Rödl, Georg Gosheger, Björn Vogt, Frank Schiedel
OBJECTIVE: Distraction osteogenesis is a method of stimulating the growth of new bone tissue in order to lengthen the extremities or bridge resected bone defects. In addition to the now-established intramedullary procedures, two different fixator systems are in use. The present study investigated the classical Ilizarov ring fixator (IRF) and a hexapod to assess the precision of lower-leg lengthening and complications classified using the Paley criteria for problems, obstacles, and complications...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27904734/recurrence-of-a-unicameral-bone-cyst-in-the-femoral-diaphysis
#11
Hyun Se Kim, Kyung Sup Lim, Sung Wook Seo, Seung Pil Jang, Jong Sup Shim
Diaphyseal unicameral bone cysts of the long bone are generally known to originate near the growth plate and migrate from the metaphysis to the diaphysis during skeletal growth. In the case of unicameral bone cysts of diaphyseal origin, recurrence at the same location is extremely rare. We report a case of recurrence of a unicameral bone cyst in the diaphysis of the femur that developed 8 years after treatment with curettage and bone grafting. We performed bone grafting and lengthening of the affected femur with an application of the Ilizarov apparatus over an intramedullary nail to treat the cystic lesion and limb length discrepancy simultaneously...
December 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/27896679/what-are-the-biomechanical-properties-of-the-taylor-spatial-frame%C3%A2
#12
Daniel J Henderson, Jeremy L Rushbrook, Paul J Harwood, Todd D Stewart
BACKGROUND: The Taylor Spatial Frame™ (TSF) is a versatile variant of the traditional Ilizarov circular fixator. Although in widespread use, little comparative data exist to quantify the biomechanical effect of substituting the tried-and-tested Ilizarov construct for the TSF hexapod system. QUESTIONS/PURPOSES: This study was designed to investigate the mechanical properties of the TSF system under physiologic loads, with and without the addition of a simulated bone model, with comparison to the standard Ilizarov frame...
November 28, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27876266/knee-arthrodesis-by-the-ilizarov-method-in-the-treatment-of-total-knee-arthroplasty-failure
#13
Andrea Antonio Maria Bruno, Alexander Kirienko, Andrea Peccati, Paolo Dupplicato, Massimo De Donato, Enrico Arnaldi, Nicola Portinaro
BACKGROUND: Currently, the main indication for knee arthrodesis is septic failure of a total knee arthroplasty (TKA). The purpose of this study was to evaluate the results of knee arthrodesis by circular external fixation performed in the treatment of TKA failure in which revision arthroplasty was not indicated. METHODS: The study involved 19 patients who underwent knee arthrodesis by the Ilizarov method. Clinical and functional assessments were performed, including Knee Society Score (KSS)...
November 18, 2016: Knee
https://www.readbyqxmd.com/read/27858104/chronic-periprosthetic-hip-infection-micro-organisms-responsible-for-infection-and-re-infection
#14
Nikolai M Kliushin, Artem M Ermakov, Tatiana A Malkova
PURPOSE: This study aimed to delineate the infecting micro-organisms identified at the first-time revision for infected THA, analyze pre-operative versus intra-operative findings, as well as intra-operative ones against re-infection micro-organisms. MATERIAL AND METHODS: Microbiological laboratory findings were studied in 73 patients (mean age, 51.93 ± 10.9 years) with chronic periprosthetic hip infection pre-operatively and intra-operatively. Forty-three patients had a two-stage revision THA while 30 patients were treated with a modified resection arthroplasty using the Ilizarov apparatus...
November 17, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27837313/cosmetic-lengthening-what-are-the-limits
#15
F Guerreschi, H Tsibidakis
OBJECTIVES: In the last decades, limb lengthening has not been limited to the treatment of patients with dwarfism and deformities resulting from congenital anomalies, trauma, tumor and infections, but, has also been used for aesthetic reasons. Cosmetic lengthening by the Ilizarov method with circular external fixation has been applied to individuals with constitutional short stature who wish to be taller. MATERIALS AND METHODS: From January 1985 to December 2010, the medical records of 63 patients with constitutional short stature (36 M, 27F; 126 legs) who underwent cosmetic bilateral leg lengthening using a hybrid advanced fixator according to the Ilizarov method, were reviewed, retrospectively...
December 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27826910/humeral-lengthening-and-deformity-correction
#16
REVIEW
Gamal Ahmed Hosny
INTRODUCTION: Ilizarov principles and hybrid fixation have improved the results of humeral lengthening. We reviewed the literature on humeral lengthening using different fixators with regard to indications, operative technique, results and complications. We also retrospectively reviewed 56 segments in 46 patients treated with humeral lengthening and deformity correction using Ilizarov external fixation. The etiology was achondroplasia (10 patients), epiphyseal injury (8 cases), infection (11 cases) and Erb's palsy (17 cases)...
December 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27826905/current-approaches-to-flexible-intramedullary-nailing-for-bone-lengthening-in-children
#17
REVIEW
Dmitry Popkov, Pierre Lascombes, Pierre Journeau, Arnold Popkov
Limb-length discrepancies and extremity deformities are among the most common non-traumatic orthopaedic conditions for which children are hospitalised. There is a need to develop new treatment options for lower-limb length discrepancy in order to ameliorate treatment outcomes, avoid or reduce rates of complication and provide early rehabilitation. The authors report on the basic principles, experimental and clinical data, advantages, problems and complications of a combined technique associating the Ilizarov method and flexible intramedullary nailing (FIN) in limb lengthening and deformity correction in children...
December 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27818972/clinical-evaluation-of-patients-submitted-to-osteogenic-distraction-in-the-lower-limb-at-a-university-hospital
#18
Francisco Macruz Baltazar Sampaio, Leilane Passoni Marçal, Diogo Gontijo Dos Reis, Adolfo Watanabe Kasuo, Carlos Eduardo Cabral Fraga, Frederico Barra de Moraes
OBJECTIVE: To evaluate the clinical characteristics from patients submitted to osteogenic distraction to correct bone gap at a university hospital. METHODS: Retrospective transversal study, with a convenience sample, from 2000 to 2012, evaluating clinical aspects of patients treated, submitted to osteogenic distraction (bone transport) with Ilizarov's external fixation device. The chi-squared, Fisher's, and Mann-Whitney's U tests were used with a 5% level of significance (p < 0...
September 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/27818969/surgical-treatment-of-neglected-clubfoot-using-external-fixator
#19
Rodrigo Mota Pacheco Fernandes, Maurilio Darcy Dos Santos Mendes, Renato Amorim, Marcus Aurélio Preti, Marcelo Back Sternick, Guilherme Pelosini Gaiarsa
The definition of neglected clubfoot (NC) includes a variable range of complex deformities of the foot that are refractory to conventional treatments or are treated inappropriately. Several etiologies may be related to this. The Ilizarov method has become established as a tool for treating these deformities. It minimizes soft-tissue damage through gradual correction of the deformity, with a high success rate in relation to achieving a plantigrade foot, with low incidence of recurrence. The indications for treatment include severe rigid deformities (Dimeglio III and IV), or adverse skin conditions...
September 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/27770774/combination-of-intramedullary-rod-wrapping-bone-grafting-and-ilizarov-s-fixator-for-the-treatment-of-crawford-type-iv-congenital-pseudarthrosis-of-the-tibia-mid-term-follow-up-of-56-cases
#20
Guang-Hui Zhu, Hai-Bo Mei, Rong-Guo He, Yao-Xi Liu, Kun Liu, Jin Tang, Jiang-Yan Wu
BACKGROUND: The purpose of this study was to investigate the initial union rate, refracture rate and residual deformities of congenital pseudarthrosis of the tibia (CPT), using combined surgery including pseudarthrosis resection, intramedullary rodding, autogenous iliac bone grafting and Ilizarov's fixator, with a mean 5.2 years follow-up. METHODS: We retrospectively reviewed the records and diagrams of patients with Crawford type IV congenital pseudarthrosis of the tibia between February 2007 and March 2010...
October 22, 2016: BMC Musculoskeletal Disorders
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