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distal femoral fracture

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https://www.readbyqxmd.com/read/29033156/component-fracture-in-the-kotz-modular-femoral-tibial-reconstruction-system-an-under-reported-complication
#1
Tyler M Hauer, Matthew T Houdek, Rej Bhumbra, Anthony M Griffin, Jay S Wunder, Peter C Ferguson
BACKGROUND: Primary bone tumors of the femur are commonly reconstructed using an endoprosthesis. Different modes of implant failure have been described, including structural failure; although uncommon, this may be an under-reported complication. The purpose of this study is to examine the rates and risk factors for implant fracture of the Kotz Modular Femoral Tibial Reconstruction system (KMFTR). METHODS: Two hundred twenty-one patients (95 women and 126 men) who underwent a KMFTR reconstruction were reviewed...
September 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29027190/midterm-results-of-revision-total-hip-arthroplasty-with-an-uncemented-modular-femoral-component
#2
Bertram Rieger, Thomas Ilchmann, Lilianna Bolliger, Karl K Stoffel, Lukas Zwicky, Martin Clauss
INTRODUCTION: During revision total hip arthroplasty (THA), the surgeon commonly faces deficient proximal femoral bone. In this situation, distal fixation of the prosthesis is required. The aim of the current retrospective study is to assess the clinical and radiographic midterm outcome of revision total hip arthroplasty using a modular uncemented, tapered, grit-blasted, distal straight stem system. METHODS: This retrospective study included 70 femoral revisions that were performed in 67 patients using the device of interest...
October 12, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29017580/a-retrospective-analysis-of-the-intertan-nail-and-proximal-femoral-nail-anti-rotation-in-the-treatment-of-intertrochanteric-fractures-in-elderly-patients-with-osteoporosis-a-minimum-follow-up-of-3%C3%A2-years
#3
Hui Zhang, Xiaoxiao Zhu, Genwang Pei, Xianshang Zeng, Nan Zhang, Ping Xu, Deng Chen, Weiguang Yu, Xinchao Zhang
BACKGROUND: The study aims to compare the long-term functional and radiographic outcomes of two devices for the treatment of primary intertrochanteric fractures (IFs, OTA 3.1A2.1-A2.3) in elderly patients with osteoporosis. METHODS: Between December 2010 and August 2014, 332 elderly osteoporosis patients with IFs (OTA 3.1A2.1-A2.3) fixed by an InterTAN nail (IT) or a proximal femoral nail anti-rotation (PFNA) device were retrospectively evaluated. Follow-up occurred 1, 3, 6, and 12 months postoperatively and every year thereafter...
October 10, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28986073/-kissing-nail-technique-for-the-exchange-of-intramedullary-implants-in-adjacent-peri-implant-fractures
#4
Carolin Melcher, Patrick R Delhey, Christof Birkenmaier, Peter H Thaller
One third of the people aged 65 years and over fall every year, and 1-5% of these falls result in a fracture. For these people, history of fracture and surgery become a risk factor for recurrent falls. In osteoporotic patients, repeated fractures often require several osteosynthetic procedures within a short time frame. Despite the lack of biomechanical studies, clinical experience suggests that additional fractures adjacent to implants occur because of the difference in stiffness between the metallic implant and the osteoporotic bone...
October 3, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28982588/low-1-level-mechanical-vibration-improves-bone-microstructure-tissue-mechanical-properties-and-porous-titanium-implant-osseointegration-by-promoting-anabolic-response-in-type-1-diabetic-rabbits
#5
Da Jing, Zedong Yan, Jing Cai, Shichao Tong, Xiaokang Li, Zheng Guo, Erping Luo
Type 1 diabetes mellitus (T1DM) is associated with reduced bone mass, increased fracture risk, and impaired bone defect regeneration potential. These skeletal complications are becoming important clinical challenges due to the rapidly increasing T1DM population, which necessitates developing effective treatment for T1DM-associated osteopenia/osteoporosis and bone trauma. This study aims to investigate the effects of whole-body vibration (WBV), an easy and non-invasive biophysical method, on bone microstructure, tissue-level mechanical properties and porous titanium (pTi) osseointegration in alloxan-diabetic rabbits...
October 2, 2017: Bone
https://www.readbyqxmd.com/read/28982481/the-role-of-computed-tomography-scans-in-diaphyseal-femur-fractures-following-gunshot-injuries-a-survey-of-orthopaedic-traumatologists
#6
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/28970983/double-row-suture-anchor-repair-of-posterolateral-corner-avulsion-fractures
#7
Brian B Gilmer
Posterolateral corner avulsion fractures are a rare variant of ligamentous knee injury primarily described in the skeletally immature population. Injury is often related to a direct varus moment placed on the knee during sporting activities. Various treatment strategies have been discussed ranging from nonoperative management, to excision of the bony fragment, to primary repair with screws or suture. The described technique is a means for achieving fixation of the bony avulsion using principles familiar to double-row transosseous equivalent rotator cuff repair...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28960489/evaluation-of-radius-microstructure-and-areal-bone-mineral-density-improves-fracture-prediction-in-postmenopausal-women
#8
Emmanuel Biver, Claire Durosier-Izart, Thierry Chevalley, Bert van Rietbergen, René Rizzoli, Serge Ferrari
A majority of low-trauma fractures occurs in subjects with only moderate decrease of areal bone mineral density (aBMD), i.e osteopenia, assessed by dual-energy X-ray absorptiometry (DXA), or low fracture probability assessed by FRAX. We investigated whether peripheral bone microstructure and estimated strength improve the prediction of incident fractures beyond central DXA and FRAX. In this population-based study of 740 postmenopausal women (age 65.0 ± 1.4 years) from the Geneva Retirees Cohort (ISRCTN registry 11865958), we assessed at baseline cortical (Ct) and trabecular (Tb) volumetric bone mineral density (vBMD) and microstructure by peripheral quantitative computed tomography (HR-pQCT), bone strength by micro-finite element analysis, aBMD and trabecular bone score (TBS) by DXA, and FRAX fracture probability...
September 28, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28958215/periprosthetic-total-knee-fracture-after-remote-reconstruction-of-the-anterior-cruciate-ligament-a-case-report
#9
Sahil Kooner, Eric Gibson, Marcia Clark
BACKGROUND: Distal femoral fracture is a rare, but significant, postoperative complication of anterior cruciate ligament reconstruction. However, there has not been a reported case of periprosthetic total knee arthroplasty fracture associated with a previous anterior cruciate ligament repair. CASE PRESENTATION: We report the case of a 51-year-old white man with a history of total knee arthroplasty and remote anterior cruciate ligament reconstruction, who presented with a distal femoral periprosthetic fracture at the site of a previous anterior cruciate ligament augmentation staple...
September 29, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28956171/the-baba-classification-focused-on-implant-designs-is-useful-in-setting-the-therapeutic-strategy-for-interprosthetic-femoral-fracture
#10
Tomonori Baba, Kazuo Kaneko, Yasuhiro Homma, Hironori Ochi, Yu Ozaki, Taiji Watari, Mikio Matsumoto
PURPOSE: The purpose of this study was to investigate the clinical outcomes of femoral fracture with implants on the proximal and distal sides to verify whether actual fracture morphologies follow the fracture types of Baba classification focusing on implant designs useful for periprosthetic femoral fracture. METHODS: Prosthesis was present in 85 with periprosthetic femoral fractures. Excluding 73 patients with fracture around the femoral stem or fracture of the TKA femoral component alone, 12 patients with 14 legs with both implants were investigated...
September 27, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28956150/safe-zones-and-a-technical-guide-for-cerclage-wiring-of-the-femur-a-computed-topographic-angiogram-cta-study
#11
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
#12
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/28946782/marrow-compartment-contribution-to-cortical-defect-healing
#13
Magnus Bernhardsson, Love Tätting, Olof Sandberg, Jörg Schilcher, Per Aspenberg
Background and purpose - Healing of shaft fractures is commonly described as regards external callus. We wanted to clarify the role of the bone marrow compartment in the healing of stable shaft fractures. Patients and methods - A longitudinal furrow was milled along the longitudinal axis of the femoral shaft in mice. The exposed bone marrow under the furrow was scooped out. The mice were then randomized to no further treatment, or to receiving 2 silicone plugs in the medullary canal distal and proximal to the defect...
September 26, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28943164/rare-stress-fracture-longitudinal-fracture-of-the-femur
#14
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/28935593/factors-affecting-peri-implant-fracture-following-locking-plate-for-osteoporotic-distal-femur-fractures
#15
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/28920547/decreased-postoperative-gluteus-medius-muscle-cross-sectional-area-measured-by-computed-tomography-scan-in-patients-with-intertrochanteric-fractures-nailing
#16
Mitsuaki Noda, Yasuhiro Saegusa, Masayasu Takahashi, Yuma Takada, Masahiro Fujita, Issei Shinohara
BACKGROUND: In patients with femoral intertrochanteric fractures treated by cephalomedullary (CM) nailing, abduction force reportedly decreased by 25-30% during the postoperative follow-up period. The purpose of the current study is to evaluate the cross-sectional area (CSA) and adipose tissue ratio (ATR) of the gluteus medius muscle on the postoperative computed tomography (CT) view, expecting this graphic study will support clinical results. MATERIALS AND METHODS: A total of 27 patients with femoral intertrochanteric fractures treated by CM femoral nail implants completed the study...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28918227/bone-remodeling-of-the-distal-femur-after-uncemented-total-knee-arthroplasty-a-2-year-prospective-dxa-study
#17
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/28899557/can-the-recovery-of-lower-limb-fractures-be-achieved-by-use-of-3d-printing-mirror-model
#18
Wenxi Zhang, Yueping Ji, Xinming Wang, Jie Liu, Dong Li
INTRODUCTION: The mirror imaging 3D printing model can be used a as a reference for anatomical reduction in unilateral lower limb fractures. However, the premise of using mirror technology is that the bilateral lower limb bones are similar enough. Because one side had a fracture, it was impossible to compare this directly to the other side. Usually, surgeons think that the bilateral bones are symmetrical and use mirror technology without judging their symmetry. METHODS: In patients with a unilateral lower limb bone fracture, we measured the long axis and short axis of the three selected transverse sections of the bilateral long bone for comparison to judge the symmetry of the bilateral long bones on CT images...
September 6, 2017: Injury
https://www.readbyqxmd.com/read/28889934/working-length-and-proximal-screw-constructs-in-plate-osteosynthesis-of-distal-femur-fractures
#19
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/28880606/fibular-lengthening-osteotomy-to-correct-a-malunited-ankle-fracture-using-fresh-frozen-femoral-head-allograft
#20
Harry J Visser, Khawar Malik, Robert A Djali
Malreduction of a distal fibular fracture can lead to degenerative changes in the ankle joint. Previous studies have shown that the selective use of various fibular reconstructive osteotomies may halt the progression of degenerative arthritis by restoring the normal tibiotalar contact area and decreasing the stresses on the articular cartilage. In this case report, we achieved alignment with restoration of the talocrural angle and Shenton's line of the ankle using a transfibular osteotomy and an allogeneic fresh-frozen femoral head graft to fill the resultant defect...
July 2017: Journal of the American Podiatric Medical Association
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