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distal femoral fracture

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https://www.readbyqxmd.com/read/28534192/nonunion-and-delayed-union-in-lateral-open-wedge-distal-femoral-osteotomies-a-legitimate-concern
#1
Franz Liska, Andreas Voss, Florian B Imhoff, Lukas Willinger, Andreas B Imhoff
INTRODUCTION: Due to a supposed high rate of nonunions in lateral open wedge distal femur osteotomy (LOWDFO), the medial closing wedge technique has been favoured for a long time. The aim of this study was to report the occurrence of delayed- and nonunions following LOWDFO. We hypothesized that the occurrence of nonunions needing revision surgery is comparable to medial closing osteotomies. METHODS: Forty-one patients were treated with LOWDFO with a minimum follow-up of 12 months...
May 23, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28531321/cortical-bone-size-deficit-in-adult-patients-with-type-1-diabetes-mellitus
#2
Charlotte Verroken, Wout Pieters, Loïc Beddeleem, Stefan Goemaere, Hans-Georg Zmierczak, Samyah Shadid, Jean-Marc Kaufman, Bruno Lapauw
CONTEXT: The increased fracture risk associated with type 1 diabetes mellitus (T1DM) remains unexplained by traditional risk factors such as low areal bone mineral density (aBMD). Nonetheless, few data exist on other determinants of bone strength in T1DM, including volumetric BMD (vBMD) and bone geometry. OBJECTIVE: We compared areal and volumetric bone parameters and cortical bone geometry in adult T1DM patients and gender- and age-matched controls. DESIGN: Cross-sectional study including 64 adult T1DM patients (38 men, 41...
May 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28529108/a-3-to-18-year-follow-up-of-revision-total-hip-arthroplasty-with-impacted-bone-allografts-and-cemented-lubinus-sp-ii-stem-clinical-radiographic-and-survivorship-analysis-with-comparison-to-the-literature
#3
Hampus Stigbrand, Gösta Ullmark
BACKGROUND: We present the first medium- to long-term follow-up of revision total hip arthroplasty using impaction bone grafting (IBG) combined with the matte and collared Lubinus SP II stem for cases of severe osteolysis and stem loosening. METHODS: Sixty-nine femoral revisions were identified for 67 patients consecutively operated with revision femoral arthroplasty using IBG and a cemented Lubinus SP II stem. The mean age was 69 years (standard deviation, 9.9)...
April 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28509822/fracture-prevention-in-the-orthopaedic-environment-outcomes-of-a-coordinator-based-fracture-liaison-service
#4
Earl R Bogoch, Victoria Elliot-Gibson, Dorcas Beaton, Joanna Sale, Robert G Josse
BACKGROUND: Fracture liaison services focus on secondary fracture prevention by identifying patients at risk for future fracture and initiating appropriate evaluation, risk assessment, education, and therapeutic intervention. This study describes key clinical outcomes including bone mineral densitometry, physician assessment, and pharmacotherapy initiation in pharmacotherapy-naïve patients undergoing treatment for fragility fracture in a Canadian fracture liaison service. METHODS: We determined rates of post-fracture investigation and treatment for inpatients and outpatients with a fragility fracture seen in a coordinator-based fracture liaison service at an urban university trauma hospital...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28503351/subtrochanteric-and-distal-femur-fractures-in-a-patient-with-femoral-shaft-fracture-malunion-and-knee-disarticulation-a-rare-and-challenging-case-report
#5
R E Pires, E O Santana, P J Labronici, I A Almeida Filho
This study aims to describe a rare and challenging case of a patient who presented ipsilateral subtrochanteric and distal femur fractures due to low-energy trauma. The peculiarity of this case is the presence of femoral shaft fracture malunion and knee disarticulation in the same limb resulting from an accident suffered 30 years ago. The patient underwent femoral diaphyseal osteotomy and fixation of the subtrochanteric and distal femur fractures with a long cephalomedullary nail and distal femur locking plate, respectively...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28455561/radiographic-assessment-of-distal-femur-cemented-stems-in-tumor-endoprostheses
#6
R E Turcotte, N A Stavropoulos, J Toreson, M Alsultan
BACKGROUND: Distal femoral endoprosthesis (DFE) has become the optimal method of reconstruction in the skeletally mature patients treated for malignant bone tumor. Albeit literature has reported wide range of aseptic loosening in cemented components (6-32%), few authors showed that cement was not detrimental to long-term success of primary distal femoral implants possibly relating to cementing technique. METHODS: A series of consecutive of DFE (MRS and GMRS, Styker Orthopaedics, Mahwah, NJ) was retrospectively reviewed for evidence of loosening on plain radiographs...
April 28, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28421263/bone-mineral-density-and-fracture-risk-in-ankylosing-spondylitis-a-meta-analysis
#7
Cara Pray, Neelufor Irene Feroz, Nisha Nigil Haroon
We conducted a meta-analysis of studies to examine the risk of vertebral and non-vertebral fractures in patients with ankylosing spondylitis (AS). Additionally, we evaluated the risk factors of vertebral fractures in AS. Two authors independently searched Embase and Medline for studies that had assessed the risk of fractures in patients with AS. Twenty-two studies were eligible for the meta-analysis. Patients with AS had high frequency of vertebral fractures [OR (95% CI): 1.96 (1.52-2.51)]. Major risk factors for vertebral fractures in patients with AS include low BMD at the femoral neck and total hip, male gender, longer disease duration, higher BASDAI, higher BASRI, and possibly inflammatory bowel disease...
April 18, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28416831/-morphology-character-and-reduction-methods-of-sagittally-unstable-intertrochanteric-fractures
#8
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/28410835/modified-extended-trochanteric-osteotomy-for-the-treatment-of-vancouver-b2-b3-periprosthetic-fractures-of-the-femur
#9
Andreas Ladurner, Pia Zurmühle, Vilijam Zdravkovic, Karl Grob
BACKGROUND: Femoral component revision is the treatment of choice for Vancouver type B2/B3 periprosthetic femur fractures (PFFs). The purpose of this study was to report the clinical outcome of revision total hip arthroplasty with the use of a modified extended trochanteric osteotomy (ETO) in PFF treatment. METHODS: A total of 43 cases between 2000 and 2014 were analyzed. Clinical and radiographic evaluation was performed with a mean follow-up of 40 months. Patient survival after revision surgery, complications, radiographic outcomes, and quality of life and hip function were assessed...
March 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28394844/implant-material-type-of-fixation-at-the-shaft-and-position-of-plate-modify-biomechanics-of-distal-femur-plate-osteosynthesis
#10
Utku Kandemir, Peter Augat, Stefanie Konowalczyk Dipl-Ing, Felix Wipf Dipl-Ing, Geert von Oldenburg Dipl-Ing, Ulf Schmidt
OBJECTIVES: The purpose of this study is to investigate whether 1. the type of fixation at the shaft (hybrid vs. locking), 2. the position of the plate (offset vs. contact) and 3. the implant material has a significant effect on a) construct stiffness and b) fatigue life in a distal femur extraarticular comminuted fracture model using the same design of distal femur periarticular locking plate. METHODS: An extraarticular severely comminuted distal femoral fracture pattern (AO/OTA 33-A3) was simulated using artificial bone substitutes...
April 7, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28391429/femoral-neck-fracture-osteosynthesis-by-the-biplane-double-supported-screw-fixation-method-bdsf-reduces-the-risk-of-fixation-failure-clinical-outcomes-in-207-patients
#11
Orlin Filipov, Karl Stoffel, Boyko Gueorguiev, Christoph Sommer
INTRODUCTION: Osteosynthesis of femoral neck fractures is related up to 46% rate of complications. The novel method of biplane double-supported screw fixation (BDSF; Filipov's method) offers better stability using three medially diverging cannulated screws with two of them buttressed on the calcar. Biomechanically, the most effective component is the distal screw placed at steeper angle and supported on a large area along the distal and posterior cortex of the femoral neck following its spiral anterior curve...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28391428/do-clinical-outcomes-correlate-with-bone-density-after-open-reduction-and-internal-fixation-of-tibial-plateau-fractures
#12
Elizabeth Gausden, Matthew R Garner, Peter D Fabricant, Stephen J Warner, Andre D Shaffer, Dean G Lorich
INTRODUCTION: The operative management of tibial plateau fractures in elderly patients has historically led to inconsistent results, and these clinical outcomes were thought to be associated with poor bone quality often in elderly patients. The goal of this study was to investigate the relationship between bone density and subjective clinical outcome scores after open reduction and internal fixation of tibial plateau fractures. MATERIALS AND METHODS: This is a retrospective cohort study from a single-surgeon conducted at an Academic, Level 1 Trauma Center...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28390685/plate-fixation-for-letenneur-type-i-hoffa-fracture-a-biomechanical-study
#13
Hui Sun, Qi-Fang He, Yi-Gang Huang, Jian-Feng Pan, Cong-Feng Luo, Yi-Min Chai
BACKGROUND: A coronal fracture of the posterior femoral condyle, also known as a Hoffa fracture, is an unusual injury, and there are only a handful of case reports or series exploring it. The optimal fixation method of these intraarticular fractures remains controversial; improper or unstable fixation usually lead to an unsatisfactory prognosis. The use of posterior-anterior or reversed lag screw fixation is still a popular method. Additional buttress plating is also recommended for fixation of these difficult fractures...
March 30, 2017: Injury
https://www.readbyqxmd.com/read/28362373/proximal-cadaveric-femur-preparation-for-fracture-strength-testing-and-quantitative-ct-based-finite-element-analysis
#14
Dan Dragomir-Daescu, Asghar Rezaei, Susheil Uthamaraj, Timothy Rossman, James T Bronk, Mark Bolander, Vincent Lambert, Sean McEligot, Rachel Entwistle, Hugo Giambini, Iwona Jasiuk, Michael J Yaszemski, Lichun Lu
Cadaveric fracture testing is routinely used to understand factors that affect proximal femur strength. Because ex vivo biological tissues are prone to lose their mechanical properties over time, specimen preparation for experimental testing must be performed carefully to obtain reliable results that represent in vivo conditions. For that reason, we designed a protocol and a set of fixtures to prepare the femoral specimens such that their mechanical properties experienced minimal changes. The femora were kept in a frozen state except during preparation steps and mechanical testing...
March 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28361017/lower-limb-stress-fractures-in-sport-optimising-their-management-and-outcome
#15
REVIEW
Greg A J Robertson, Alexander M Wood
Stress fractures in sport are becoming increasing more common, comprising up to 10% of all of sporting injuries. Around 90% of such injuries are located in the lower limb. This articles aims to define the optimal management of lower limb stress fractures in the athlete, with a view to maximise return rates and minimise return times to sport. Treatment planning of this condition is specific to the location of the injury. However, there remains a clear division of stress fractures by "high" and "low" risk. "Low risk" stress fractures are those with a low probability of fracture propagation, delayed union, or non-union, and so can be managed reliably with rest and exercise limitation...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28350067/isopsoralen-mediated-suppression-of-bone-marrow-adiposity-and-attenuation-of-the-adipogenic-commitment-of-bone-marrow-derived-mesenchymal-stem-cells
#16
Jian Wang, Sheng-Fa Li, Ting Wang, Chun-Han Sun, Liang Wang, Min-Jun Huang, Jian Chen, Shao-Wei Zheng, Nan Wang, Ying-Jun Zhang, Tian-Yu Chen
Osteoporosis (OP) increases the risk of bone fractures and other complications, and is thus a major clinical problem. In this study, we examined the effect of isopsoralen on the differentiation of bone-derived marrow mesenchymal stem cells (BMSCs) into osteoblasts and adipocytes, as well as bone formation under osteoporotic conditions. Primary femoral BMSCs isolated from C57BL/6 mice were used to evaluate the isopsoralen-mediated regulation of the expression of alkaline phosphatase (ALP), osteocalcin (OCN) and runt-related transcription factor 2 (RUNX2) during osteogenesis 2 weeks...
February 6, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28348262/rare-progression-of-cholangiocarcinoma-distal-femoral-metastasis
#17
Sam A MacKenzie, Joaquim Stanislas Olivier Goffin, Conor Rankin, Tom Carter
Cholangiocarcinoma (CCA) is a rare cancer of the bile duct epithelial cells, with metastases to long bones rarely reported. We present the case of a woman aged 61 years, diagnosed with CCA 6 years previously. She presented with right thigh discomfort, rapidly progressing to immobility with severe pain. Radiological investigations revealed a lytic lesion in her right distal femur, most likely a metastatic deposit, at high risk of pathological fracture. This was managed with an en bloc resection and implantation of a distal femoral replacement...
March 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28340662/vascularized-small-bone-transfers-for-fracture-nonunion-and-bony-defects
#18
REVIEW
Ai Dong Deng, Marco Innocenti, Rohit Arora, Markus Gabl, Jin Bo Tang
Vascularized small-bone grafting is an efficient and often necessary surgical approach for nonunion or necrosis of several bones in particular sites of the body, including scaphoid, lunate, distal ulna, and clavicle. The medial femoral condyle is an excellent graft source that can be used in treating scaphoid, ulna, clavicle, or lower-extremity bone defects, including nonunion. Vascularized bone grafting to the small bones, particularly involving reconstruction of damaged cartilage surfaces, should enhance subchondral vascular supply and help prevent cartilage regeneration...
April 2017: Clinics in Plastic Surgery
https://www.readbyqxmd.com/read/28336251/distal-extension-of-the-anterior-approach-to-the-hip-using-the-femoral-interbundle-technique-surgical-technique-and-case-series
#19
Stijn G M Ghijselings, Ronald Driesen, Jean-Pierre Simon, Kristoff Corten
BACKGROUND: The direct anterior approach (DAA) is becoming more popular as the standard surgical approach for primary total hip arthroplasty. However, it has been associated with an increased incidence of intraoperative femoral fractures in particular during the learning curve. Distal extension of the approach may be needed in case of intraoperative complications. The aim of the present study is to describe the distal extension of the DAA using the femoral interbundle technique. METHODS: A stepwise approach based on a cadaveric study to extend the DAA distally is presented...
February 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28323993/bisphosphonate-treatment-and-the-characteristics-of-femoral-fractures-in-children-with-osteogenesis-imperfecta
#20
Ilkka Vuorimies, Mervi K Mäyränpää, Helena Valta, Heikki Kröger, Sanna Toiviainen-Salo, Outi Mäkitie
Context: The short-term benefits of bisphosphonates (BPs) are evident in the treatment of children with osteogenesis imperfecta (OI), but some concerns related to long-term effects remain. Objective: To elucidate the effect of BPs on characteristics of femoral fractures in children with OI. Design and Setting: Retrospective cohort study at a university hospital. Patients and Main Outcome Measure: The study included 93 patients with OI...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
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