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distal femur fracture

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https://www.readbyqxmd.com/read/28737630/first-in-the-nation-one-unit-s-journey-to-achieving-fragility-fracture-certification
#1
Audry McDonald, Samantha Church, Laura Hixon, Linda Vo, Martha Sleutel
Osteoporosis is related to more than 2 million fractures and $19 billion in healthcare costs each year (). A fragility fracture (FF) is a low-energy fracture of the distal radius, proximal humerus, ankle, or proximal femur (hip) from minimal trauma such as a fall from a standing height. In addition to cost, FFs often result in the loss of independence and productivity (). In 2015, our orthopaedic unit received the first certification ever awarded for FFs. Fragility fracture certification is a new certification demonstrating that a healthcare facility complies with national patient care standards and uses evidence-based practice guidelines to deliver quality outcomes...
July 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28736738/preserving-and-restoring-bone-with-continuous-insulin-infusion-therapy-in-a-mouse-model-of-type-1-diabetes
#2
Jeffry S Nyman, Evangelia Kalaitzoglou, R Clay Bunn, Sasidhar Uppuganti, Kathryn M Thrailkill, John L Fowlkes
Those with type 1 diabetes (T1D) are more likely to suffer a fracture than age- and sex-matched individuals without diabetes, despite daily insulin therapy. In rodent studies examining the effect of bone- or glucose-targeting therapies on preventing the T1D-related decrease in bone strength, insulin co-therapy is often not included, despite the known importance of insulin signaling to bone mass accrual. Therefore, working toward a relevant pre-clinical model of diabetic bone disease, we assessed the effect of continuous subcutaneous insulin infusion (CSII) therapy at escalating doses on preserving bone and the effect of delayed CSII on rescuing the T1D-related bone deterioration in an established murine model of T1D...
December 2017: Bone Reports
https://www.readbyqxmd.com/read/28731209/evaluating-atypical-features-of-femur-fractures-how-change-in-radiological-criteria-influenced-incidence-and-demography-of-atypical-femur-fractures-in-a-community-setting
#3
Erin S LeBlanc, A Gabriela Rosales, Dennis M Black, Harry K Genant, Richard M Dell, Darin M Friess, David L Boardman, Douglas C Bauer, Anne de Papp, Arthur C Santora, Eric S Orwoll
Identification of atypical femoral fractures (AFFs) can be challenging. To assist in the radiological assessment, an ASBMR Task Force developed a case definition for AFFs in 2010, revising it in 2013. How the revised definition performs in a community setting compared to the 2010 definition is unknown. We applied the 2013 criteria to 372 femoral fractures that occurred between January 1, 1996, and June 30, 2009, employing two independent expert physician reviewers. We used radiographs that had been categorized in a previous study on the incidence of atypical fractures using 2010 ASMBR criteria (BEAK1)...
July 21, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28697072/repair-of-displaced-partial-articular-fracture-of-the-distal-femur-the-hoffa-fracture
#4
Kenneth A Egol, Kari Broder, Nina Fisher, Sanjit R Konda
PURPOSE: The Hoffa fracture is a rare fracture pattern consisting of a unicondylar posterior fracture of the distal femur. This video demonstrates a case of Hoffa fracture repair using headless screw compression. METHODS: Hoffa fractures are intra-articular in nature. Given that isolated Hoffa fractures are rare, there is little information available as to the best management of this injury. However, several small studies have demonstrated good-to-excellent functional results after anatomical reduction and rigid fixation of the Hoffa fracture, followed by early mobilization...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28666042/primary-total-knee-arthroplasty-for-distal-femur-fractures-a-systematic-review-of-indications-implants-techniques-and-results
#5
Foster Chen, Robert Li, Ajay Lall, Evan M Schwechter
Distal femur fractures (DFFs) in elderly patients historically were difficult to treat because of osteoporotic bone, comminution, and intra-articular involvement. Current surgical treatment options, including intramedullary nailing, internal fixation, and external fixation, are complicated by prolonged immobility, malunion, and nonunion. Furthermore, fixation increases the complexity of subsequent arthroplasty. Primary total knee arthroplasty (TKA) is a rarely used treatment for acute DFF but may be of benefit in select patients...
May 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28664768/a-biomechanical-comparison-of-the-two-and-four-hole-side-plate-dynamic-hip-screw-in-an-osteoporotic-composite-femur-model
#6
Dominik Rog, Phillip Grigsby, Zachary Hill, William Pinette, Serkan Inceoglu, Lee Zuckerman
OBJECTIVES: The objectives of this study were (1) to compare the axial and torsional stiffness of a dynamic hip screw with a two- and four-hole side-plate in a synthetic model of a healed and stable intertrochanteric femur fracture and (2) to evaluate the load to failure, as well as propensity to peri-implant fracture. METHODS: Fourth-generation synthetic composite femur models, simulating osteoporotic bone, were implanted with 135° dynamic hip screws (DHS) with either a two- or four-hole side-plate with or without a stable intertrochanteric fracture...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28663403/-modern-distal-femoral-locking-plates-allow-safe-early-weight-bearing-with-a-high-rate-of-union-and-low-rate-of-failure-five-year-experience-from-a-united-kingdom-major-trauma-centre
#7
W E C Poole, D G G Wilson, H C Guthrie, S F Bellringer, R Freeman, E Guryel, S G Nicol
AIMS: Fractures of the distal femur can be challenging to manage and are on the increase in the elderly osteoporotic population. Management with casting or bracing can unacceptably limit a patient's ability to bear weight, but historically, operative fixation has been associated with a high rate of re-operation. In this study, we describe the outcomes of fixation using modern implants within a strategy of early return to function. PATIENTS AND METHODS: All patients treated at our centre with lateral distal femoral locking plates (LDFLP) between 2009 and 2014 were identified...
July 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28662973/assessment-of-bone-mineral-density-at-the-distal-femur-and-the-proximal-tibia-by-dual-energy-x-ray-absorptiometry-in-individualswith-spinal-cord-injury-precision-of-protocol-and-relation-to-injury-duration
#8
Stacey Lobos, Anne Cooke, Gillian Simonett, Chester Ho, Steven K Boyd, W Brent Edwards
Spinal cord injury (SCI) is characterized by marked bone loss at the knee, and there is a need for established dual-energy X-ray absorptiometry (DXA) protocols to examine bone mineral density (BMD) at this location to track therapeutic progress and to monitor fracture risk. The purpose of this study was to quantify the precision and reliability of a DXA protocol for BMD assessment at the distal femur and the proximal tibia in individuals with SCI. The protocol was subsequently used to investigate the relationship between BMD and duration of SCI...
June 26, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28658862/extra-articular-supracondylar-femur-fractures-managed-with-locked-distal-femoral-plate-or-supracondylar-nailing-a-comparative-outcome-study
#9
Sps Gill, Ankit Mittal, Manish Raj, Pulkesh Singh, Jasveer Singh, Santosh Kumar
INTRODUCTION: Despite recent evolution in the operating techniques and surgical implants, debate continues around the choice of implant for management of distal femur fractures. High rates of complications and union difficulties continues to make them a momentous therapeutic challenge. AIM: To compare the outcome of locked compressive plating versus retrograde nailing in the management of extra articular supracondylar femur fractures. MATERIALS AND METHODS: In this randomized prospective study, 42 patients with extra-articular distal femur fractures were segregated into two groups based on internal fixation with distal femoral locking plate (n=22) and retrograde nail (n=20)...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28657927/comparison-of-four-methods-for-dynamization-of-locking-plates-differences-in-the-amount-and-type-of-fracture-motion
#10
Julia Henschel, Stanley Tsai, Daniel C Fitzpatrick, J Lawrence Marsh, Steven M Madey, Michael Bottlang
BACKGROUND: Decreasing the stiffness of locked plating constructs can promote natural fracture healing by controlled dynamization of the fracture. This biomechanical study compared the effect of four different stiffness reduction methods on interfragmentary motion by measuring axial motion and shear motion at the fracture site. METHODS: Distal femur locking plates were applied to bridge a metadiaphyseal fracture in femur surrogates. A locked construct with a short bridge span served as the non-dynamized control group (LOCKED)...
June 22, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28653872/posttraumatic-bone-marrow-lesion-volume-and-knee-pain-within-4-weeks-after-anterior-cruciate-ligament-injury
#11
Jeffrey B Driban, Stefan Lohmander, Richard B Frobell
CONTEXT:   After an anterior cruciate ligament (ACL) injury, a majority of patients have a traumatic bone marrow lesion (BML, or bone bruise). The clinical relevance of posttraumatic lesions remains unclear. OBJECTIVE:   To explore the cross-sectional associations between traumatic BML volume and self-reported knee pain and symptoms among individuals within 4 weeks of ACL injury. DESIGN:   Cross-sectional exploratory analysis of a randomized clinical trial...
June 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28650942/open-supracondylar-intercondylar-fractures-of-the-femur-treatment-with-taylor-spatial-frame
#12
Francesco Sala, Ahmed M Thabet, Paolo Capitani, Federico Bove, Amr A Abdelgawad, Giovanni Lovisetti
OBJECTIVES: Evaluate the Taylor spatial frame (TSF) for primary and definitive fixation of open supracondylar-intracondylar femoral (SIF) fractures. DESIGN: Retrospective. SETTING: Level I trauma center. PATIENTS: Subset of 20 SIF open fractures treated with TSF extracted from a consecutive series of 80 SIF fractures treated between 2007 and 2013. INTERVENTION: Eighteen (90%) fractures underwent definitive fixation with the TSF; 2 were treated primarily within 24 hours of injury...
June 15, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28648706/total-hip-intraoperative-femur-fracture-do-the-design-enhancements-of-a-second-generation-tapered-wedge-stem-reduce-the-incidence
#13
Nicholas D Colacchio, Claire E Robbins, Mehran S Aghazadeh, Carl T Talmo, James V Bono
BACKGROUND: Intraoperative femur fracture (IFF) is a well-known complication in primary uncemented total hip arthroplasty (THA). Variations in implant instrumentation design and operative technique may influence the risk of IFF. This study investigates IFF between a standard uncemented tapered-wedge femoral stem and its second-generation successor with the following design changes: size-specific medial curvature, proportional incremental stem growth, modest reduction in stem length, and distal lateral relief...
May 15, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28641194/use-of-a-long-distally-fixed-intramedullary-stem-to-treat-a-periprosthetic-femoral-fracture-following-total-hip-arthroplasty-using-a-thrust-plate-hip-prosthesis-a-case-report
#14
Hiroyuki Hatanaka, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Yusuke Kubo, Takeshi Utsunomiya, Takuaki Yamamoto, Yasuharu Nakashima
INTRODUCTION: The thrust plate hip prosthesis (TPP; Zimmer, Winterthur, Switzerland) is a hip prosthesis that is no longer in production. Few reports have focused on periprosthetic fractures following total hip arthroplasty (THA) with the use of a TPP. PRESENTATION OF CASE: We report a 57-year-old woman with a periprosthetic femoral fracture 13 years after THA with the use of a TPP. A plain radiograph showed a displaced subtrochanteric fracture of the right femur just below the distal tip of the lateral plate without implant loosening...
June 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28639848/intraoperative-correction-of-femoral-rotational-deformity-using-a-conventional-navigation-system-and-a-smartphone-a-novel-technique
#15
Jia-Qing Cao, Jing-Huan Huang, Ting Yuan, Wei-Tao Jia, Hong Gao
The intraoperatively rotational control of femoral shaft fractures treated with a closed intramedullary interlocking nailing is a challenging problem. A novel surgical technique that includes respective insertions of guidewires into the proximal and distal femur under the guidance of a 2-dimensional fluoroscopy-based navigation system and the measurements of the intersection angle subtended by the proximal and distal guidewires with the smartphone positional software has been designed to provide intraoperatively quantitative parameters of femoral rotation deformation...
June 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28630841/bipolar-hemiarthroplasty-in-a-patient-with-above-knee-amputation-surgical-technique
#16
Ramesh Perumal, Santhosh Ram Gaddam, J Vasudeva, J Dheenadhayalan, S Rajasekaran
INTRODUCTION: Femoral neck fractures are a common occurrence in lower limb amputees. Good post-operative results of hip hemiarthroplasty have been described in below-knee amputees. However, to our knowledge, very few such cases have been reported in above-knee amputees. CASE REPORT: We present a case of a 75-year-old male patient who underwent above-knee amputation of the right lower limb for severe crush injury right leg and a bipolar hemiarthroplasty for an ipsilateral fracture neck of femur sustained in the same road traffic accident...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28629234/healing-of-osteochondral-defects-via-endochondral-ossification-in-an-ovine-model
#17
Helen Lydon, Alan Getgood, Frances M D Henson
OBJECTIVE: The objective of this study was to describe the mechanism of healing of osteochondral defects of the distal femur in the sheep, a commonly used translational model. Information on the healing mechanism be useful to inform the design of tissue engineering devices for joint surface defect repair. DESIGN: A retrospective study was conducted examining 7-mm diameter osteochondral defects made in the distal medial femoral condyle of 40 adult female sheep, comprising control animals from 3 separate structures...
June 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28607784/use-of-nonvascularized-autologous-fibular-strut-graft-in-the-treatment-of-major-bone-defect-after-periprosthetic-knee-fracture
#18
Vincenzo Giordano, Bruno Parilha Coutinho, Mateus Kenji Miyahira, Felipe Serrão Mendes de Souza, Ney Pecegueiro do Amaral
We present the case of a patient who suffered a comminuted supracondylar periprosthetic femur fracture. The patient was an 86-year-old lady who suffered a minor fall at home and presented at our hospital with a right comminuted distal femur fracture around a total knee arthroplasty. The patient was submitted to a cruciate-sacrificing total knee replacement 6 years before at the same institution. Despite severe metaphyseal fragmentation and short distal fragment, the prosthesis was stable; thus, open fracture reduction and stabilization with internal fixation were performed...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28597401/biomechanical-evaluation-of-the-risk-of-secondary-fracture-around-short-versus-long-cephalomedullary-nails
#19
William E Daner Iii, John R Owen, Jennifer S Wayne, Ryan B Graves, Mark C Willis
INTRODUCTION: For proximal femur fractures, long cephalomedullary nails (CMNs) are often selected to avoid a diaphyseal stress riser at the tip of a shorter nail. Secondary peri-implant fracture rates for long and short CMN have not been shown to differ clinically. This study biomechanically compares both CMN in a cadaveric model. METHODS: Ten matched pairs of cadaveric femora with short or long CMN were axially loaded and internally rotated to failure. RESULTS: Resulting fractures involved distal interlocking screws of the short and long CMN...
June 8, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28596671/autologous-blood-transfusion-as-a-life-saving-measure-for-a-trauma-patient-with-fracture-femur-and-drug-induced-hemolytic-anemia-a-case-report
#20
Sumit Vishwakarma, Rahul Chaurasia, Arulselvi Subramanian, Vivek Trikha, Kabita Chatterjee
A positive direct antiglobulin test has been reported in 1:1000 to 1:14,000 blood donors and 1-15 % of hospital patients. Drugs may cause a positive direct antiglobulin test result and/or immune-mediated haemolysis with an incidence of approximately 1 in a 1 million population. Our aim is to highlight the importance of following strict transfusion protocols and management insight in a direct antiglobulin test positive patient showing incompatibility with multiple units possibly due to drug induced immune haemolytic anaemia (DIIHA)...
June 2017: Indian Journal of Hematology & Blood Transfusion
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