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distal femur fracture

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https://www.readbyqxmd.com/read/28210775/risk-of-fragility-fracture-among-patients-with-sarcoidosis-a-population-based-study-1976-2013
#1
P Ungprasert, C S Crowson, E L Matteson
: Incidence of fragility fracture of a population-based cohort of 345 patients with sarcoidosis was compared with age and sex-matched comparators. The incidence of fragility fracture was higher among patients with sarcoidosis with hazard ratio (HR) of 2.18. INTRODUCTION: Several chronic inflammatory disorders increase the risk of fragility fracture. However, little is known about the risk of fragility fracture in patients with sarcoidosis. METHODS: This study was conducted using a previously identified population-based cohort of 345 patients with incident sarcoidosis from Olmsted County, Minnesota...
February 16, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28208958/radiological-and-histopathological-outcome-of-giant-cell-tumor-of-femur-with-denosumab-treatment-a-case-report
#2
Preethi Dileep Menon, R Krishnakumar, Annie Jojo
Giant Cell Tumour of Bone (GCTB) is a benign but locally aggressive osteolytic skeletal neoplasm of young adults consisting of giant cells expressing RANK (Receptor Activator of Nuclear Factor-κB) and mesenchymal spindle-like stromal cells expressing RANKL (RANK ligand). The interaction of these cells leads to bone resorption. Recently, the RANKL inhibitor, denosumab, has demonstrated activity against giant-cell tumours. The current article reports a case of a Giant cell tumour of left distal femur with pathological fracture...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28192826/the-management-of-bone-defects-in-periarticular-knee-injuries-a-review-article
#3
Brian Buck, Yvonne M Murtha
Traumatic bone defects of the distal femur and proximal tibia present treatment challenges for the orthopaedic traumatologist. In addition to bone loss, significant soft tissue compromise and cartilage defects leave the patient and surgeon with few reconstructive options for proper long-term joint function. These injuries are often complicated by delayed healing, nonunion, malunion, infection, and poor subjective patient outcomes. There are a variety of clinical problems associated with the treatment of periarticular fractures about the knee...
February 13, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28178228/imaging-evaluation-of-the-safe-region-for-distal-locking-screw-of-proximal-femoral-nail-anti-rotation-in-patients-with-proximal-femoral-fracture
#4
Jinpeng Gong, Pengcheng Liu, Ming Cai
BACKGROUND Proximal femoral nail anti-rotation (PFNA) is a standard femoral intertrochanteric fracture operation. Iatrogenic vascular injury, although uncommon, is a reported complication of PFNA surgery as well as a complication of hip fracture surgery. This study aimed to compare the safety and best use of the distal locking screw in 170 mm PFNA and 240 mm PFNA devices, and to determine the safe region for placement of the distal locking screw in PFNA surgery. MATERIAL AND METHODS A retrospective analysis of 100 patients with 170 mm PFNA and 80 patients with 240 mm PFNA were retrospectively analyzed...
February 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28169937/outcomes-of-distal-femur-nonunions-treated-with-a-combined-nail-plate-construct-and-autogenous-bone-grafting
#5
Basem Attum, Diana Douleh, Paul S Whiting, Gabrielle A White-Dzuro, Ashley C Dodd, Michelle S Shen, William T Obremskey, Manish K Sethi
SummaryIn this study, we sought to retrospectively evaluate union and infection rates after treatment of distal femur nonunions using a combined nail/plate construct with autogenous bone grafting. 10 patients treated at a Level I Trauma Center for nonunion of a femoral fracture using a combined nail/plate construct from 2004 to 2014 were included in the study. Union rate and postoperative infection rate were recorded.10 patients underwent treatment for nonunion of the distal femur. Mean interval from index surgery to nonunion repair was 12 months (range 4-36 months)...
December 26, 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28168640/3d-computer-graphical-anatomy-study-of-the-femur-a-basis-for-a-new-nail-design
#6
Beat Schmutz, Stanley Kmiec, Martin E Wullschleger, Martin Altmann, Michael Schuetz
BACKGROUND: Current intramedullary nails with a radius of curvature (ROC) of 1500-2000 mm sometimes cause distal anterior cortical encroachment. Furthermore, clinical data indicate that the proximal nail end is too long for some Asian patients. The objective of our study was to develop a comprehensive 3D measurement protocol that measures both the anatomy of the canal and the proximal region. The protocol was used to obtain measurements from Caucasian and Asian (Japanese and Thai) specimens...
February 6, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28166168/evaluation-of-intra-articular-fracture-extension-following-gunshot-wounds-to-the-lower-extremity-plain-radiographs-versus-computer-tomography
#7
John S Hwang, Kenneth L Koury, George Gorgy, Michael S Sirkin, Mark C Reilly, Valdis Lelkes, Mark R Adams
OBJECTIVE: This study was to compare the use of computer tomography to plain radiographs for the evaluation of intra-articular extension of long bone fractures in the lower extremity following low-energy gunshot wounds. DESIGN: Retrospective chart and radiographic review SETTING:: Level 1 Trauma CenterPatients/Participants: Data was collected from a single institution from 2000 to 2014. Inclusion criteria consisted of patients aged greater than 17 years, low-velocity gunshot injuries causing fracture of the femur or tibia, plain radiographs with adequate films and CT imaging of the fracture...
January 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28164053/long-term-bisphosphonate-therapy-induced-periprosthetic-femoral-stress-fracture-in-a-sliding-hip-screw-implant-a-unique-case-report
#8
Mark R Adams, Conor Dunn, Michael S Sirkin, Mark C Reilly
INTRODUCTION: Long-term bisphosphonate therapy for osteoporosis is associated with an increased risk of low-to-no energy atypical subtrochanteric and femoral shaft fractures with characteristic radiologic findings. There are few reports of patients with long-term bisphosphonate-induced periprosthetic fractures, all of them had a hip arthroplasty prosthesis. In this report, we present a unique case of a 90-year-old Caucasian female on long-term bisphosphonate therapy with a sliding hip screw implant who sustained a periprosthetic fracture of the femoral shaft at the distal aspect of the plate...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28164044/accidental-bolt-gun-injury-to-femur-a-case-report
#9
Ravi Prasad Kattimani, Sanath Shetty, Humayun Mirza
INTRODUCTION: Bolt gun or slaughterer's guns are used in meat industry for "humane killing" of animals. Injuries caused by bolt gun are rare, reported exclusively from central European countries. We report a case of 28 year old male, who accidentally shot himself with a bolt gun to his right thigh. CASE REPORT: A 28 years old male presented to our Accident and Emergency department after accidental injury to his right thigh with bolt gun. He had an entry wound measuring 2 cm in length and 1 cm in breadth over anterior aspect of lower one third of thigh at lower and sustained Grade II compound fracture of right femur shaft at distal one third...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28153480/radiographic-predictors-of-symptomatic-screw-removal-after-retrograde-femoral-nail-insertion
#10
Max Hamaker, Nathan N O'Hara, W Andrew Eglseder, Marcus F Sciadini, Jason W Nascone, Robert V O'Toole
INTRODUCTION: Removal of symptomatic implants is a common procedure performed by orthopaedic trauma surgeons. No guidance is available regarding which factors contribute to the likelihood of an implant becoming symptomatic. Our objective was to determine whether radiographic parameters associated with distal interlocks in retrograde femoral nails are associated with the rate of symptomatic screw removal. PATIENTS AND METHODS: We conducted a retrospective review at a Level I trauma center...
January 6, 2017: Injury
https://www.readbyqxmd.com/read/28131543/predictors-of-functional-recovery-following-periprosthetic-distal-femur-fractures
#11
John A Ruder, Gavin P Hart, Jeffrey S Kneisl, Bryan D Springer, Madhav A Karunakar
BACKGROUND: Treatment options for periprosthetic distal femur fractures include open reduction internal fixation (ORIF) and distal femoral replacement (DFR). The purpose of this study was to evaluate the complications, and functional recovery (ambulatory status, living situation, mortality) in patients undergoing operative treatment (DFR and ORIF) of periprosthetic distal femur fractures. METHODS: A retrospective review of 58 patients with distal femoral periprosthetic fractures treated with either ORIF or DFR was conducted...
December 23, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28116272/management-of-large-bone-defects-in-diaphyseal-fractures-by-induced-membrane-formation-by-masquelet-s-technique
#12
R Sivakumar, M Gulam Mohideen, M Chidambaram, T Vinoth, Prahalad Kumar Singhi, V Somashekar
INTRODUCTION: Management of the large gap in long bone fractures is a challenging problem after compound injuries. A novel technique called as Masquelet's technique of "induced membrane formation", is used to bridge a gap of more than 5 cm using bone cement as a spacer in first stage and autologous cancellous bone graft to fill the gap in second stage. CASE PRESENTATION: We present two different and difficult cases with bone defects after open injuries associated with long bone fractures in this paper...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28108173/broach-handle-design-changes-force-distribution-in-the-femur-during-total-hip-arthroplasty
#13
Dustin A Greenhill, Pooyan Abbasi, Kurosh Darvish, Andrew M Star
BACKGROUND: Curved broach handles were developed to overcome limited surgical exposures during total hip arthroplasty. Some authors report increased intraoperative fracture rates during limited exposures. This study evaluates mechanical force ratios transmitted to the bone while broaching with curved vs straight handles. METHODS: An experimental model utilized a 6-axis load cell to measure force distributions produced by 4 different broach handles, each with increasing offset and curvature...
December 29, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28105580/pixel-based-dxa-derived-structural-properties-strongly-correlate-with-pqct-measures-at-the-one-third-distal-femur-site
#14
Alexander M Baker, David W Wagner, B Jenny Kiratli, Gary S Beaupre
While bone mineral density has been traditionally used to quantify fracture risk for individuals with spinal cord injuries, recent studies are including engineering measurements such as section modulus and cross sectional moment of inertia. These are almost exclusively calculated by peripheral QCT scanners which, unlike DXA scanners, are rarely found in clinical settings. Using fifty-four fresh frozen femora, we developed and validated a pixel-by-pixel method to calculate engineering properties at the distal femur using a Hologic QDR-1000 W DXA scanner and compared them against similar parameters measured using a Stratec XCT-3000 peripheral QCT scanner...
January 19, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28103852/stiffness-of-the-locking-compression-plate-as-an-external-fixator-for-treating-distal-tibial-fractures-a-biomechanics-study
#15
Wei Liu, Lihui Yang, Xiaochuan Kong, Likun An, Gang Hong, Zicheng Guo, Lei Zang
BACKGROUND: Locking compress plate, as external fixator, is an attractive technique for distal tibial fracture treatment. But it still remains unclear whether the external LCP has sufficient stiffness. Thus, the present study aims to make a comprehensive evaluation of the stiffness of external locking compress plate when it is used as an external fixator in distal tibial fractures treatment. METHODS: Composite tibia was used to simulate distal tibia fracture (Orthopedic Trauma Association type 43 A3 fracture)...
January 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28093251/malalignment-after-minimally-invasive-plate-osteosynthesis-in-distal-femoral-fractures
#16
Joon-Woo Kim, Chang-Wug Oh, Jong-Keon Oh, Il-Hyung Park, Hee-Soo Kyung, Kyeong-Hyeon Park, Seong-Dae Yoon, Seong-Min Kim
INTRODUCTION: Although minimally invasive plate osteosynthesis (MIPO) is a preferred operative treatment for fractures of the distal femur, malalignment is a significant concern because of indirect reduction of the fracture. The purpose of this study, therefore, was to evaluate radiologic alignment after MIPO for distal femoral fractures. PATIENTS AND METHODS: Of the 138 patients with fracture of the distal femur who underwent MIPO, we enrolled 51 patients in whom bilateral rotational alignment could be assessed by postoperative computed tomography (CT)...
January 10, 2017: Injury
https://www.readbyqxmd.com/read/28089667/periprosthetic-fractures-of-the-distal-femur-after-total-knee-arthroplasty%C3%A2-plate-versus-nail-fixation
#17
REVIEW
S S Wallace, D Bechtold, A Sassoon
: The incidence of periprosthetic fractures about a TKA is increasing. Traditionally, these fractures are classified by their location and prosthesis integrity. In the setting of a supracondyar fracture about a well-fixed prosthesis, both plate and nail fixation of the fracture present themselves as options, each with unique benefits and pitfalls. Through review and discussion of the literature, we aim to describe some of the patient, fracture, and implant related factors that should be considered when planning fixation of periprosthetic fractures about a TKA...
January 13, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28087211/the-effect-of-bone-growth-onto-massive-prostheses-collars-in-protecting-the-implant-from-fracture
#18
Paul Fromme, Gordon W Blunn, William J Aston, Tasneem Abdoola, Jacob Koris, Melanie J Coathup
Limb-sparing distal femoral endoprotheses used in cancer patients have a high risk of aseptic loosening. It had been reported that young adolescent patients have a higher rate of loosening and fatigue fracture of intramedullary stems because the implant becomes undersized as patients grow. Extracortical bone growth into the grooved hydroxyapatite-coated collar had been shown to reduce failure rates. The stresses in the implant and femur have been calculated from Finite Element models for different stages of bone growth onto the collar...
January 10, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28058496/-traumatology-in-the-elderly-multimodal-prevention-of-delirium-and-use-of-augmentation-techniques
#19
D Wähnert, A Roos, J Glasbrenner, K Ilting-Reuke, P Ohrmann, G Hempel, T Duning, N Roeder, M J Raschke
Recent data show that 20-80% of surgery patients are affected by delirium during inpatient clinical treatment. The medical consequences are often dramatic and include a 20 times higher mortality and treatment expenses of the medical unit increase considerably. At the University Hospital of Münster a multimodal and interdisciplinary concept for prevention and management of delirium was developed: all patients older than 65 years admitted for surgery are screened by a specialized team for the risk of developing delirium and treated by members of the team if there is a risk of delirium...
February 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28057011/functional-and-radiological-outcomes-of-a-minimally-invasive-surgical-approach-to-monostotic-fibrous-dysplasia
#20
Mamer S Rosario, Katsuhiro Hayashi, Norio Yamamoto, Akihiko Takeuchi, Shinji Miwa, Yuta Taniguchi, Hiroyuki Tsuchiya
BACKGROUND: Reports showing high recurrence rates for intralesional curettage and bone grafting have made the current treatment principle for fibrous dysplasia controversial. This study aimed to report the postoperative clinical outcomes from three minimally invasive surgical strategies we use for monostotic fibrous dysplasia (MFD). PATIENTS AND METHODS: Twelve patients with MFD presenting with no pathologic fracture or deformity and treated with one of three surgical strategies-plain open biopsy, plain alpha-tricalcium phosphate (ATP) reconstruction, and prophylactic bridge plating-were included...
January 5, 2017: World Journal of Surgical Oncology
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