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distal femur fracture

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https://www.readbyqxmd.com/read/29216707/-femur-fracture-in-a-patient-with-dog-leg-deformity-secondary-to-arthrogryposis-description-of-a-unique-osteosynthesis-method
#1
I Auñón-Martín, V Jiménez-Díaz, J Zorrilla-Sánchez De Neira, A Capel-Agúndez
The concept of arthrogryposis encompasses several conditions that share the presence of multiple congenital contractures. The knee is frequently involved and is an important cause of morbidity in these patients. Flexion contractures of the knee are the most common ones and have a worse prognosis than extension contractures. Different approaches are available to treat flexion contractures of the knee. Distal femoral extension osteotomy effectively corrects fixed flexion, but may lead to residual deformity. This iatrogenic deformity disrupts the anterior convexity of the femoral shaft and leads to serious problems in the subsequent management of orthopedic conditions...
May 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29208310/equivalent-mortality-and-complication-rates-following-periprosthetic-distal-femur-fractures-managed-with-either-lateral-locked-plating-or-a-distal-femoral-replacement
#2
Jason S Hoellwarth, Mitchell S Fourman, Lawrence Crossett, Mark Goodman, Peter Siska, Gele B Moloney, Ivan S Tarkin
INTRODUCTION: Management of distal femur fractures above total knee arthroplasty (TKA) remains challenging. Two common surgical options are locked lateral plating (LLP) and distal femoral arthroplasty (DFR). Unfortunately, approximately 30-50% of patients may die within one year of injury, require further surgery, or not regain prior mobility performance. We compared 87 LLP to 53 DFR patients - to our knowledge the largest comparative study - focusing on 90- and 365-day mortality, mobility maintenance, and further surgery...
December 1, 2017: Injury
https://www.readbyqxmd.com/read/29199087/primary-total-knee-arthroplasty-for-acute-fracture-around-the-knee
#3
REVIEW
S Parratte, M Ollivier, J-N Argenson
Relatively poor results have been reported with open reduction and internal fixation of complex fractures around the knee in elderly osteoporotic patients, and primary total knee arthroplasty (TKA) has been proposed as an alternative solution. While limiting the number of procedures, it meets two prerequisites: 1) to save the patient's life, thanks to early weight-bearing, to limit decubitus complications; and 2) to save knee function and patient autonomy, thanks to early knee mobilization. There are 3 main indications: complex articular fractures in elderly patients with symptomatic osteoarthritis prior to fracture; complex articular fractures of the tibial plateau in elderly patients whose bone quality makes internal fixation hazardous; and major destruction of the distal femur in younger patients...
November 30, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29198374/surgically-treated-hoffa-fractures-with-poor-long-term-functional-results
#4
Tolga Onay, Deniz Gülabi, İlker Çolak, Güven Bulut, Seyit Ali Gümüştaş, Gültekin Sıtkı Çeçen
INTRODUCTION: Hoffa fractures are rare injuries and usually involve the lateral condyle. There are few published studies of large series of isolated coronal plane fractures of the femoral condyle. The aim of the study to determine the long-term functional outcomes and complications in surgically treated Hoffa fractures. PATIENTS AND METHODS: A retrospective review was made of 13 consecutive patients who were treated surgically for an isolated coronal plane fracture of the distal femur posterior condyle...
November 24, 2017: Injury
https://www.readbyqxmd.com/read/29192731/up-to-10-year-follow-up-of-the-symax-stem-in-tha-a-danish-single-centre-study
#5
Nina M Edwards, Claus Varnum, Per Kjærsgaard-Andersen
INTRODUCTION: The design of the cementless Symax-HA femoral stem is based on geometrical analysis of human femoral anatomy to optimise the fit within the femur. The stem combines an anatomical proximal section enabling a metaphyseal anchorage with a straight distal section. This results in an improved proximal load transfer.We aimed to determine the overall survival of total hip arthroplasty (THA) in patients operated at our institution with the Symax stem. Secondly, we investigated the cause of revision for patients having THA including the Symax stem...
November 23, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29185295/complications-and-survival-of-megaprostheses-after-resection-of-bone-metastases
#6
M De Gori, A D’Arienzo, L Andreani, G Beltrami, D A Campanacci, P De Biase, F Frenos, S Giannotti, F Sacchetti, F Totti, P Parchi, R Capanna
Treatment of bone metastases is often palliative, aiming at pain control and stabilization or prevention of pathological fractures. However, a complete resection with healing purposes can be performed in selected cases. The aim of our work was to evaluate the survival of megaprostheses used for reconstruction after bone metastases. Between January 2001 and March 2015, we implanted 169 Megasystem-C® (Waldemar LINK® GmbH & Co. KG, Hamburg, Germany) after bone metastasis resection. Patients, 95 females and 74 males, were operated at an average age of 61 (12-87) years for proximal femoral resection in 135 (79...
October 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29178860/a-new-classification-of-tka-periprosthetic-femur-fractures-considering-the-implant-type
#7
Johannes K M Fakler, Cathleen Pönick, Melanie Edel, Robert Möbius, Alexander Giselher Brand, Andreas Roth, Christoph Josten, Dirk Zajonz
BACKGROUND: The treatment aims of periprosthetic fractures (PPF) of the distal femur are a gentle stabilization, an early load-bearing capacity and a rapid postoperative mobilization of the affected patients. For the therapy planning of PPF a standardized classification is necessary which leads to a clear and safe therapy recommendation. Despite different established classifications, there is none that includes the types of prosthesis used in the assessment. For this purpose, the objective of this work is to create a new more extensive fracture and implant-related classification of periprosthetic fractures of the distal femur based on available classifications which allows distinct therapeutic recommendations...
November 25, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29174472/the-influence-of-biodegradable-magnesium-implants-on-the-growth-plate
#8
Tanja Kraus, Stefan Fischerauer, Stefan Treichler, Elisabeth Martinelli, Johannes Eichler, Anastasia Myrissa, Silvia Zötsch, Peter J Uggowitzer, Jörg F Löffler, Annelie M Weinberg
Mg-based biodegradable materials are considered promising candidates in the paediatric field due to their favourable mechanical and biological properties and their biodegrading potential that makes a second surgery for implant removal unnecessary. In many cases the surgical fixation technique requires a crossing of the growth plate by the implant in order to achieve an adequate fragment replacement or fracture stabilisation. This study investigates the kinetics of slowly and rapidly degrading Mg alloys in a transphyseal rat model, and also reports on their dynamics in the context of the physis and consecutive bone growth...
November 23, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29171365/-distal-femur-fracture-in-a-woman-with-a-lower-limb-prosthesis
#9
E C T Baars, A K Mostert
BACKGROUND: People who use a lower limb prosthesis can fracture their distal femur after a trivial fall; however, this kind of fracture is uncommon. CASE DESCRIPTION: A 53-year-old woman with a trans-tibial prosthesis fell in her kitchen. She felt pain just above the socket of the prosthesis, was unable to get up and her knee and leg were swollen. Radiographic imaging showed a distal femur fracture, for which she received a non-operative treatment with a stump cast...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29162241/influence-of-screw-combination-and-nail-materials-in-the-stability-of-anterograde-reamed-intramedullary-nail-in-distal-femoral-fractures
#10
Sergio Gabarre, Jorge Albareda, Luis Gracia, Sergio Puértolas, Elena Ibarz, Antonio Herrera
Intramedullary nailing (IM) is a technique universally accepted to treat femoral diaphyseal fractures. The treatment of fractures located in the distal third remains a controversial issue though. A finite element model of the femur has been developed, analyzing distal fractures with several gap sizes combined with different interlocking combinations of distal screws with one oblique screw proximally to stabilize the intramedullary nail. The mechanical strength of the nail against bending and compression efforts was also studied...
November 2017: Injury
https://www.readbyqxmd.com/read/29157842/femoral-intertrochanteric-nail-fitn-a-new-short-version-design-with-an-anterior-curvature-and-a-geometric-match-study-using-post-operative-radiographs
#11
Shi-Min Chang, Sun-Jun Hu, Zhuo Ma, Shou-Chao Du, Ying-Qi Zhang
OBJECTIVE: Femoral intertrochanteric fractures are usually fixed with short, straight cephalomedullary nails. However, mismatches between the nail and the femur frequently occur, such as tip impingement and tail protrusion. The authors designed a new type of short femoral intertrochanteric nail (fitn) with an anterior curvature (length=19.5cm, r=120cm) and herein report the geometric match study for the first of 50 cases. METHODS: A prospective case series of 50 geriatric patients suffering from unstable intertrochanteric fractures (AO/OTA 31 A2/3) were treated...
November 17, 2017: Injury
https://www.readbyqxmd.com/read/29153449/the-changing-epidemiology-of-open-fractures-in-vehicle-occupants-pedestrians-motorcyclists-and-cyclists
#12
Dennis Winkler, Stuart T Goudie, Charles M Court-Brown
AIMS: To investigate the changing epidemiology of open fractures in vehicle occupants, pedestrians, motorcyclists and cyclists. MATERIALS AND METHODS: Data on all non-spinal open fractures admitted to the Royal Infirmary of Edinburgh after a road traffic accident between 1988 and 2010 were collected and analysed to provide information about the changing epidemiology in different patient groups. Demographic information was collected on all patients with the severity of injury being analysed with the Injury Severity Score (ISS), Musculoskeletal Index (MSI) and the number of open fractures...
November 14, 2017: Injury
https://www.readbyqxmd.com/read/29147761/single-leg-spica-provides-adequate-stability-after-open-reduction-in-developmental-dysplasia-of-the-hip
#13
Nabil Alassaf
INTRODUCTION: The late detection of developmental dysplasia of the hip (DDH) will remain a major concern in some parts of the world until effective screening programs become available. With late diagnosis comes the need for open surgical reduction. Surgery is invariably followed by a period of immobilisation in a spica cast to prevent postoperative displacement. The goal of this study is to evaluate the effect of double-leg spica as compared to single-leg spica, on the risk of displacement after unilateral open reduction of the hip...
November 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29141620/treatment-of-genu-valgum-in-children-by-means-of-temporary-hemiepiphysiodesis-using-eight-plates-short-term-findings
#14
Dirk Zajonz, Eckehard Schumann, Magdalena Wojan, Fabian B Kübler, Christoph Josten, Ulf Bühligen, Christoph E Heyde
BACKGROUND: Idiopathic genu valgum is a frequently diagnosed growth disorder in adolescence. Whenever the possibilities of conservative therapy have been exhausted, leg straightening by means of hemiepiphysiodesis has become the standard form of treatment. Because of their flexible screw-plate connection, eight-Plates have been reported in the literature to lead to lower complications regarding implant loosening and fracture compared to other implants. The aim of this retrospective survey was to analyse our own patient population who were treated for genu valgum by means of temporary hemiepiphysiodesis near the knee using eight-Plates to modulate growth...
November 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29124468/mortality-following-benign-sacral-insufficiency-fracture-and-associated-risk-factors
#15
Jae-Woo Park, Sang-Min Park, Hui Jong Lee, Choon-Ki Lee, Bong-Soon Chang, Hyoungmin Kim
This study demonstrated increased mortality following sacral insufficiency fractures as with other major osteoporotic fractures. The 6-month mortality rate was 9.8%, the 1-year mortality rate was 17.5%, and the 3-year mortality rate was 25.5%. Sex- and age-adjusted standardized mortality ratio increased after fractures. INTRODUCTION: There are no data about mortality after sacral insufficiency fractures. The purposes of this study were to investigate the mortality rate among sacral insufficiency fracture patients and to identify risk factors associated with mortality...
November 9, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29116356/population-based-epidemiology-and-incidence-of-distal-femur-fractures
#16
Rasmus Elsoe, Adriano Axel Ceccotti, Peter Larsen
PURPOSE: The literature lacks recent epidemiological studies on the incidence, trauma mechanism and fracture classification of distal femur fractures. The aim of the present study was to provide up-to-date information concerning the incidence of distal femur fractures in a large and complete population and to report on the distribution of fracture classification, trauma mechanisms and patient baseline demographics. METHODS: The approach for this study was via a retrospective reviews of records...
November 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29113210/analysis-of-imaging-characteristics-of-primary-malignant-bone-tumors-in-children
#17
Yingwei Sun, Xueyong Liu, Shinong Pan, Chunbo Deng, Xiaohan Li, Qiyong Guo
The present study aimed to investigate the imaging characteristics of primary malignant bone tumors in children. The imaging results of 34 children with primary malignant bone tumors confirmed by histopathological diagnosis between March 2008 and January 2014 were retrospectively analyzed. In total, 25 patients had osteosarcoma, with radiography and computed tomography (CT) showing osteolytic bone destruction or/and osteoblastic bone sclerosis, an aggressive periosteal reaction, a soft-tissue mass and cancerous bone...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29113159/treatment-of-osteosarcoma-around-the-knee-in-skeletally-immature-patients
#18
Weitao Yao, Qiqing Cai, Jiaqiang Wang, Songtao Gao
Limb sparing surgery in growing young patients with malignant tumors is difficult as invasion of the physis by the tumor or surgical resection through the metaphysis may cause significant limb discrepancy following surgery. At present, hinged tumor prosthesis or biological reconstructions are the main methods following tumor resection in these patients. The aim of the present study was to assess different procedures for the treatment of osteosarcoma around knee joints in immature patients. A retrospective study of 56 patients (<15 years old, open physis) who had been treated for osteosarcoma around the knee joint between January 2007 and December 2015 was performed...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29107950/a-new-method-to-determine-cortical-bone-thickness-in-ct-images-using-a-hybrid-approach-of-parametric-profile-representation-and-local-adaptive-thresholds-accuracy-results
#19
Oleg Museyko, Bastian Gerner, Klaus Engelke
MOTIVATION: Cortical bone is an important contributor to bone strength and is pivotal to understand the etiology of osteoporotic fractures and the specific mechanisms of antiosteoporotic treatment regimen. 3D computed tomography (CT) can be used to measure cortical thickness, density, and mass in the proximal femur, lumbar vertebrae, and distal forearm. However, the spatial resolution of clinical whole body CT scanners is limited by radiation exposure; partial volume artefacts severely impair the accurate assessment of cortical parameters, in particular in locations where the cortex is thin such as in the lumbar vertebral bodies or in the femoral neck...
2017: PloS One
https://www.readbyqxmd.com/read/29094009/digital-blinding-of-radiographs-to-mask-allocation-in-a-randomized-control-trial
#20
Gerard P Slobogean, Lukasz Soswa, Giuliana Rotunno, Peter J O'Brien, Kelly A Lefaivre
AIM: To demonstrate the effectiveness of a digital radiographic altering technique in concealing treatment allocation to blind outcome assessment of distal femur fracture fixation. METHODS: Digital postoperative anteroposterior and lateral radiographs from a sample of 33 randomly-selected patients with extra-articular distal femur fractures treated by surgical fixation at a Level 1 trauma center were included. Using commercially available digital altering software, we devised a technique to blind the radiographs by overlaying black boxes over the implant hardware while preserving an exposed fracture site for assessment of fracture healing...
October 18, 2017: World Journal of Orthopedics
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