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distal femur fracture

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https://www.readbyqxmd.com/read/29025611/carbon-fiber-reinforced-intramedullary-nailing-in-musculoskeletal-tumor-surgery-a-national-multicentric-experience-of-the-italian-orthopaedic-society-siot-bone-metastasis-study-group
#1
Andrea Piccioli, Raimondo Piana, Michele Lisanti, Alberto Di Martino, Barbara Rossi, Francesco Camnasio, Marco Gatti, Pietro Maniscalco, Franco Gherlinzoni, Maria Silvia Spinelli, Davide Maria Donati, Roberto Biagini, Rodolfo Capanna, Vincenzo Denaro
INTRODUCTION: Carbon fiber reinforced (CFR) implants have been proposed for the treatment of fractures or impending fractures of the long bones in the oncology patient. Aim of this study is to present the largest cohort of oncology patients operated by CFR nailing by the Italian Orthopaedic Society (SIOT) Bone Metastasis Study Group. METHODS: 53 adult oncology patients were operated on with a CFR-PEEK nail. All the data from adjuvants therapies were collected. Bone callus formation, response to radiotherapy, relapse or progression of the osteolysis were recorded...
October 2017: Injury
https://www.readbyqxmd.com/read/28982481/the-role-of-computed-tomography-scans-in-diaphyseal-femur-fractures-following-gunshot-injuries-a-survey-of-orthopaedic-traumatologists
#2
John S Hwang, Peter D Gibson, Kenneth L Koury, Nicholas Stekas, Michael S Sirkin, Mark C Reilly, Mark R Adams
The objective of this study was to analyze if the addition of CT changed the management of femoral shaft fractures caused by gunshot wounds when compared to those managed with plain radiography alone. METHODS: A multiple-choice, single-answer electronic survey was created to compare utility of advanced imaging when treating femur fractures resulting from gunshot injury. A total of ten femoral shaft fracture cause by gunshot injuries were selected for an online survey to be administered to orthopeaedic traumatologists...
September 28, 2017: Injury
https://www.readbyqxmd.com/read/28962655/a-unique-heterologous-fibrin-sealant-hfs-as-a-candidate-biological-scaffold-for-mesenchymal-stem-cells-in-osteoporotic-rats
#3
Patrícia Rodrigues Orsi, Fernanda Cruz Landim-Alvarenga, Luis Antônio Justulin, Ramon Kaneno, Marjorie de Assis Golim, Daniela Carvalho Dos Santos, Camila Fernanda Zorzella Creste, Eunice Oba, Leandro Maia, Benedito Barraviera, Rui Seabra Ferreira
BACKGROUND: The injection of mesenchymal stem cells (MSCs) directly into the bone of osteoporotic (OP) patients for rapid recovery has been studied worldwide. Scaffolds associated with MSCs are used to maintain and avoid cell loss after application. A unique heterologous fibrin sealant (HFS) derived from snake venom was evaluated for the cytotoxicity of its main components and as a three-dimensional biological scaffold for MSCs to repair a critical femur defect in osteoporotic rats. METHODS: The cytotoxicity of HFS was assessed using a 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazoliumbromide (MTT) assay and transmission electron microscopy...
September 29, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28956150/safe-zones-and-a-technical-guide-for-cerclage-wiring-of-the-femur-a-computed-topographic-angiogram-cta-study
#4
Theerachai Apivatthakakul, P Siripipattanamongkol, Chang-Wug Oh, K Sananpanich, C Phornphutkul
INTRODUCTION: Cerclage wiring for reduction of complex femoral shaft fractures can create iatrogenic vascular injury. OBJECTIVE: To describe the anatomical relation of blood vessels to the femur and develop a technical guide for safe passage of cerclage wire. MATERIALS AND METHODS: CT lower-limb angiographs (CTA) of 80 patients were reviewed and analysed to identify the superficial femoral artery (SFA) and the deep femoral artery (DFA) as well as the relation of those arteries to the femoral cortex...
September 27, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28956142/exchange-nailing-with-enhanced-distal-fixation-is-effective-for-the-treatment-of-infraisthmal-femoral-nonunions
#5
Joon-Woo Kim, Yong-Cheol Yoon, Chang-Wug Oh, Seung-Beom Han, Jae-Ang Sim, Jong-Keon Oh
INTRODUCTION: The treatment options for nonunions of infraisthmal femoral shaft fractures after internal fixation are controversial. Methods such as exchanging an existing nail with a nail of a larger size, dynamization, removal of the nail followed by plating, and bone grafting have all been reported. Among those options, exchange nailing seems to be the most popular choice. In this study, a Poller screw, or an additional interlocking screw, was used in conjunction with exchange intramedullary nailing...
September 27, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28951637/dynamic-locked-plating-for-fixation-of-distal-femur-fractures-using-near-cortical-over-drilling-preliminary-results-of-a-prospective-observational-study
#6
Sherif Galal
INTRODUCTION: Nonunion after locked plating of distal femur fractures is not uncommon. Authors wanted to assess if "Dynamic" locked plating using near-cortex over-Drilling technique would provide a mechanical environment the promotes callus formation, thereby avoiding non-union encountered when applying locked plates with the conventional method. METHODS: This study was conducted at an academic Level 1 Trauma Center. This is a prospective study conducted from November 2015 to November 2016...
July 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28943164/rare-stress-fracture-longitudinal-fracture-of-the-femur
#7
M Pérez González, P Velázquez Fragua, E López Miralles, M M Abad Moretón
42-year-old man with pain in the posterolateral region of the right knee that began while he was running. Initially, it was diagnosed by magnetic resonance (MR) as a possible aggressive process (osteosarcoma or Ewing's sarcoma) but with computed tomography it was noted a cortical hypodense linear longitudinal image with a continuous, homogeneous and solid periosteal reaction without clear soft tissue mass that in this patient suggest a longitudinal distal femoral fatigue stress fracture. This type of fracture at this location is very rare...
September 21, 2017: Radiología
https://www.readbyqxmd.com/read/28939032/preoperative-diagnosis-can-predict-conversion-total-knee-arthroplasty-outcomes
#8
David H Ge, Afshin A Anoushiravani, Benjamin S Kester, Jonathan M Vigdorchik, Ran Schwarzkopf
BACKGROUND: Compared to total knee arthroplasty (TKA) for primary osteoarthritis, conversion TKAs in the post-traumatic setting are associated with increased operative times, infection rates, and readmissions. We aim at determining how post-traumatic osteoarthritis and previous knee surgery influence postoperative outcomes in conversion TKA. METHODS: Seventy-two conversion TKA procedures with prior knee trauma at a single institution between April 2012 and 2016 were examined...
August 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28935593/factors-affecting-peri-implant-fracture-following-locking-plate-for-osteoporotic-distal-femur-fractures
#9
Ki-Chul Park, Seung-Jae Lim, Young Sik Song, Kyu-Tae Hwang
INTRODUCTION: The purpose of this study is to evaluate the outcomes and to analyze the risk factors for the occurrence of peri-implant fracture after treatment of osteoporotic distal femoral fracturesusing a locking plate. HYPOTHESIS: Risk factors affecting peri-implant fracture exist after locking plate fixation in osteoporotic distal femur fracture. MATERIALS AND METHODS: Eighty nine(88 patients) with osteoporotic distal femoral fractures were evaluated between January2006 and January2014...
September 18, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28918227/bone-remodeling-of-the-distal-femur-after-uncemented-total-knee-arthroplasty-a-2-year-prospective-dxa-study
#10
Mikkel Rathsach Andersen, Nikolaj S Winther, Thomas Lind, Henrik M Schrøder, Michael Mørk Petersen
Loss of bone stock as a response to the bone trauma, immobilization, and stress shielding related to joint replacement surgery increases the risk of fracture of the distal femur after total knee arthroplasty. Previous studies of uncemented femoral components have reported very high levels of bone loss in the distal femur. This study investigates the adaptive bone remodeling of the distal femur after uncemented total knee arthroplasty. We performed a 2-year follow-up of 53 patients (mean age 61.5 [38-70] years, F/M = 27/26, body mass index 29...
September 13, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28889934/working-length-and-proximal-screw-constructs-in-plate-osteosynthesis-of-distal-femur-fractures
#11
William H Harvin, Lasun O Oladeji, Gregory J Della Rocca, Yvonne M Murtha, David A Volgas, James P Stannard, Brett D Crist
BACKGROUND: The study purpose is to evaluate the working length, proximal screw density, and diaphyseal fixation mode and the correlation to fracture union after locking plate osteosynthesis of distal femoral fractures using bridge-plating technique. METHODS: A four-year retrospective review was performed to identify patients undergoing operative fixation of distal femur fractures with a distal femoral locking plate using bridge-plating technique for the metadiaphyseal region...
September 1, 2017: Injury
https://www.readbyqxmd.com/read/28884107/giant-cell-tumor-locally-advanced-around-the-knee-treatment-and-literature-review
#12
REVIEW
Ana Valeria Rigollino, Thiago Santos Fernando, Marcos Hajime Tanaka, Marcello Martins Souza
Giant cell tumor (GCT) is a benign bone tumor with aggressive characteristics. They are more prevalent in the third decade of life and demonstrate a preference for locating in the epiphyseal region of long bones. They have a high local recurrence rate, which depends on the type of treatment and initial tumor presentation. The risk of lung metastases is around 3%. Between October 2010 and August 2014, nine patients diagnosed with locally advanced GCT or with pathological fracture to the knee level underwent surgical treatment...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28867643/subtrochanteric-fractures-of-the-femur-treatment-with-locking-intramedullary-nailing-an-experience-without-c-arc-the-guide-wire-stopping-method-for-verify-distal-locking-is-described
#13
Saúl A Apóstol-González
OBJECTIVE: Evaluate the results of treatment of subtrochanteric fracture with interlocked intramedullary nail and describe a technical for accurate and secure verification of distal locking position when we do surgery without arc-C. METHODS: A case series where was reviewed the results in 49 patients with subtrochanteric fracture and treated locking intramedullary nailing. The AO and Russell-Taylor Classification were used. The statistic procedure was done with SPSS program...
August 30, 2017: Injury
https://www.readbyqxmd.com/read/28856575/muscle-bone-interactions-in-pediatric-bone-diseases
#14
REVIEW
Louis-Nicolas Veilleux, Frank Rauch
PURPOSE: Here, we review the skeletal effects of pediatric muscle disorders as well as muscle impairment in pediatric bone disorders. RECENT FINDINGS: When starting in utero, muscle disorders can lead to congenital multiple contractures. Pediatric-onset muscle weakness such as cerebral palsy, Duchenne muscular dystrophy, spinal muscular atrophy, or spina bifida typically are associated with small diameter of long-bone shafts, low density of metaphyseal bone, and increased fracture incidence in the lower extremities, in particular, the distal femur...
August 30, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28852333/perioperative-considerations-when-treating-isolated-periprosthetic-distal-femur-fractures
#15
Michael S Reich, Mindy Duong, Mary A Breslin, Mai P Nguyen, Heather A Vallier
BACKGROUND: Periprosthetic distal femur (PPDF) fractures occur most frequently via low energy mechanisms in elderly patients. This population is often frail and ill-suited to the physiologic burden of trauma and surgery. Here, we describe the perioperative and early hospital course for patients with PPDF fractures, and identify risk factors for poor outcomes. METHODS: Consecutive patients with isolated PPDF fractures from 2005 - 2015 were treated operatively at a Level I trauma center...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28852330/femoral-iatrogenic-subtrochanteric-fatigue-fracture-risk-is-not-increased-by-placing-drill-holes-below-the-level-of-the-lesser-trochanter
#16
Andrew G Tsai, Timothy J Ashworth, Randall Marcus, Ozan Akkus
BACKGROUND: Iatrogenic subtrochanteric fractures of the femur can occur postoperatively following placement of screws in the lateral femoral cortex. Drilling holes below the lesser trochanter is generally avoided to prevent fatigue failure; however, there is little biomechanical evidence to support this recommendation. We hypothesized that hole placement below the level of the lesser trochanter will not accelerate fatigue failure compared to holes at the level of the lesser trochanter...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28837455/revision-total-knee-arthroplasty-for-the-management-of-periprosthetic-fractures
#17
Paul R T Kuzyk, Evan Watts, David Backstein
Periprosthetic fractures after total knee arthroplasty (TKA) can present reconstructive challenges. Not only is the procedure technically complex, but patients with these fractures may have multiple comorbidities, making them prone to postoperative complications. Early mobilization is particularly beneficial in patients with multiple comorbidities. Certain patient factors and fracture types may make revision TKA the ideal management option. Periprosthetic fractures around the knee implant occur most frequently in the distal femur, followed by the tibia and the patella...
September 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28819612/uncommon-floating-knee-in-a-teenager-a-case-report-of-ipsilateral-physeal-fractures-in-distal-femur-and-proximal-tibia
#18
Youssef Othman, Lassaad Hassini, Aymen Fekih, Issam Aloui, Abderrazek Abid
INTRODUCTION: The concomitance of ipsilateral physeal fractures of the distal femur and the proximal tibia is an extremely scarce entity. It is conceptually similar to floating knee in the pediatric population. CASE REPORT: One case with this injury is reported in a 16-year-old teenager. He was treated surgically by close reduction and internal fixation. The diagnosis of the tibial fracture was initially missed, and the fracture was seen on the post-operative radiographs...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819592/insufficiency-fractures-of-the-distal-tibia-and-fibula-following-total-hip-arthroplasty-a-case-report
#19
Ryu Kojima, Toshiki Miura, Eisei Fukatani
INTRODUCTION: Although periprosthetic fractures of the femur have been well documented, insufficiency fractures following total hip arthroplasty (THA) have been rarely described. We report a case of an insufficiency fracture in the distal tibia and fibula that occurred after THA. CASE REPORT: A 54-year-old woman presented with severe pain in the bilateral hip joints and was diagnosed with end-stage osteoarthritis. She underwent THA on the right side. Although the postoperative course was uneventful, she suddenly experienced severe pain and swelling in the right leg without any history of trauma 22 weeks after the surgery...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28815387/image-guided-surgical-robotic-system-for-percutaneous-reduction-of-joint-fractures
#20
Giulio Dagnino, Ioannis Georgilas, Samir Morad, Peter Gibbons, Payam Tarassoli, Roger Atkins, Sanja Dogramadzi
Complex joint fractures often require an open surgical procedure, which is associated with extensive soft tissue damages and longer hospitalization and rehabilitation time. Percutaneous techniques can potentially mitigate these risks but their application to joint fractures is limited by the current sub-optimal 2D intra-operative imaging (fluoroscopy) and by the high forces involved in the fragment manipulation (due to the presence of soft tissue, e.g., muscles) which might result in fracture malreduction. Integration of robotic assistance and 3D image guidance can potentially overcome these issues...
August 16, 2017: Annals of Biomedical Engineering
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