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distal femoral fracture

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https://www.readbyqxmd.com/read/28097725/increased-cortical-porosity-in-women-with-hip-fracture
#1
D Sundh, A G Nilsson, M Nilsson, L Johansson, D Mellström, M Lorentzon
BACKGROUND: Hip fractures cause increased mortality and disability and consume enormous healthcare resources. Only 46% of hip fracture patients have osteoporosis at the total hip according to dual-energy X-ray absorptiometry (DXA) measurement. Cortical porosity increases with ageing and is believed to be important for bone strength. OBJECTIVE: To investigate whether older women with hip fracture have higher cortical porosity than controls, and if so whether this difference is independent of clinical risk factors and areal bone mineral density (aBMD)...
January 18, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28093609/periprosthetic-fracture-around-a-stable-femoral-stem-treated-with-locking-plate-osteosynthesis-distal-femoral-locking-plate-alone-versus-with-cerclage-cable
#2
Young-Soo Shin, Seung-Beom Han
To promote rapid bone healing, an adequate stable fixation implant with a percutaneous reduction instrument should be used for Vancouver type B1 or C fractures. The objective of this study was to describe radiographic and clinical outcomes of patients with periprosthetic fracture (PPF) around a stable femoral stem, treated with a distal femoral locking plate alone or with a cerclage cable. A total of 21 patients with PPF amenable to either a reverse distal femoral locking plate (LCP DF(®)) alone or with a cerclage cable, with a mean age of 75...
January 16, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28093251/malalignment-after-minimally-invasive-plate-osteosynthesis-in-distal-femoral-fractures
#3
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/28088942/a-distal-lock-electromagnetic-targeting-device-for-intramedullary-nailing-suggestions-and-clinical-experience
#4
Guido Antonini, Wilfried Stuflesser, Cornelio Crippa, Georgios Touloupakis
PURPOSE: To describe our clinical experience with a system named SureShot? Distal Targeting (Smith & Nephew, Memphis, USA) based on magnetic field presence and discuss our suggestions on this technique. METHODS: We analysed prospectively 47 patients affected by humeral, tibial or femoral fractures, treated in our institution during a 3-year period of time (August 2010 to September 2013). We considered the following parameters: the time to set up, the time to position a single screw, the effectiveness of the system (drilling ad screwing), the irradiation exposure time during distal locking procedure and surgical complications...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28088646/bone-microarchitecture-in-adolescent-boys-with-autism-spectrum-disorder
#5
Ann M Neumeyer, Natalia Cano Sokoloff, Erin McDonnell, Eric A Macklin, Christopher J McDougle, Madhusmita Misra
BACKGROUND: Boys with autism spectrum disorder (ASD) have lower areal bone mineral density (aBMD) than typically developing controls (TDC). Studies of volumetric BMD (vBMD) and bone microarchitecture provide information about fracture risk beyond that provided by aBMD but are currently lacking in ASD. OBJECTIVES: To assess ultradistal radius and distal tibia vBMD, bone microarchitecture and strength estimates in adolescent boys with ASD compared to TDC. DESIGN/METHODS: Cross-sectional study of 34 boys (16 ASD, 18 TDC) that assessed (i) aBMD at the whole body (WB), WB less head (WBLH), hip and spine using dual X-ray absorptiometry (DXA), (ii) vBMD and bone microarchitecture at the ultradistal radius and distal tibia using high-resolution peripheral quantitative CT (HRpQCT), and (iii) bone strength estimates (stiffness and failure load) using micro-finite element analysis (FEA)...
January 11, 2017: Bone
https://www.readbyqxmd.com/read/28087211/the-effect-of-bone-growth-onto-massive-prostheses-collars-in-protecting-the-implant-from-fracture
#6
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/28069517/fast-estimation-of-colles-fracture-load-of-the-distal-section-of-the-radius-by-homogenized-finite-element-analysis-based-on-hr-pqct
#7
Hadi S Hosseini, Andreas Dünki, Jonas Fabech, Martin Stauber, Nicolas Vilayphiou, Dieter Pahr, Michael Pretterklieber, Jasmin Wandel, Bert van Rietbergen, Philippe K Zysset
Fractures of the distal section of the radius (Colles' fractures) occur earlier in life than other osteoporotic fractures. Therefore, they can be interpreted as a warning signal for later, more deleterious fractures of vertebral bodies or the femoral neck. In the past decade, the advent of HR-pQCT allowed a detailed architectural analysis of the distal radius and an automated but time-consuming estimation of its strength with linear micro-finite element (μFE) analysis. Recently, a second generation of HR-pQCT scanner (XtremeCT II, SCANCO Medical, Switzerland) with a resolution beyond 61 μm became available for even more refined biomechanical investigations in vivo...
January 7, 2017: Bone
https://www.readbyqxmd.com/read/28063842/relationship-between-urinary-calcium-and-bone-mineral-density-in-patients-with-calcium-nephrolithiasis
#8
Khashayar Sakhaee, Naim M Maalouf, John Poindexter, Beverley Adams-Huet, Orson W Moe
BACKGROUND: Calcium nephrolithiasis is associated with an increased risk of osteoporosis and fracture. Hypercalciuria has been assumed to be pathogenic for bone loss in kidney stone formers (KSF), although this association was shown in small cross-sectional studies. We explored the association of urine calcium (UCaV) with bone mineral density (BMD) in KSF. METHODS: We retrospectively studied BMD in KSF. Excluded were subjects with hypercalcemia, chronic bowel disease, primary hyperparathyroidism, distal renal tubular acidosis or endogenous creatinine clearance <40 ml/min...
January 4, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28057011/functional-and-radiological-outcomes-of-a-minimally-invasive-surgical-approach-to-monostotic-fibrous-dysplasia
#9
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
https://www.readbyqxmd.com/read/28051829/apophyseal-and-epiphyseal-knee-injuries-in-the-adolescent-athlete
#10
P Persiani, F M Ranaldi, A Formica, M Mariani, O Mazza, M Crostelli, C Villani
OBJECTIVES: In the context of pediatric sports injuries, the epiphyseal and apophyseal knee fractures represent rather peculiar lesions. The most frequently involved anatomical area is the knee. The peculiar function of the physis and the need to preserve their integrity, makes choosing what treatment methods to employ very important. Objective of this study is to assess the kind and the effectiveness of the most suitable treatment in the apophyseal and epiphyseal knee lesions occurring in the adolescents...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28051824/atypical-femoral-fracture-as-first-sign-of-non-hodgkin-lymphoma-case-report-with-a-brief-review-of-the-literature
#11
G Saviola, P Prometti, P R Ferrari, L G Dalle Carbonare
ABSTRACT: Atypical subtrochanteric and diaphyseal femoral fractures (AFF) have been suggested to be associated with the use of bisphosphonates (BPs), but the role of these drugs is still under debate. A 64-year old female, never treated with BPs was admitted to our Rehabilitation Institute because of a recent right AFF. The patient began suffering from low back pain radiating to the groin and to the anterior regions of the right thigh and leg, A nuclear magnetic resonance (NMR) of the lumbar spine showed disc protrusions at the L3-L4 and L5-S1 levels with impingement of the spinal nerve root...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28043711/total-hip-arthroplasty-with-a-fully-hydroxyapatite-coated-stem-a-cohort-study-during-23-28-years
#12
Olav Reikerås
BACKGROUND: Long-term results of a hydroxyapatite (HA)-coated stem are sparse. We have followed a cohort of patients operated with a grit-blasted titanium stem designed for press-fit insertion and entirely plasma-sprayed with HA up to 28 years. METHODS: In the years 1988-1993, we performed 323 primary total hip arthroplasties in 276 patients (189 women). Their mean age was 48 (15-79) years. During the following years, 83 patients with 88 hips have died, and 18 patients did not attend the follow-up examination, but had no major symptoms according to telephone interviews and control examination...
December 18, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28043310/electromagnetic-navigation-in-distal-locking-of-long-diaphyseal-interlocking-intramedullary-nailing
#13
Zhentao Zhou, Xiaozhong Zhou, Bingchen Shan, Haibin Zhou, Zhengfeng Lu, Qirong Dong
OBJECTIVE: To describe the applications and effects of electromagnetic navigation (EN) technology in distal locking for the treatment of long diaphyseal fracture (LDF) with interlocking intramedullary nailing (IIN). STUDY DESIGN: An interventional study. PLACE AND DURATION OF STUDY: The Second Affiliated Hospital of Soochow University, China, from March 2013 to July 2014. METHODOLOGY: Patients who underwent IIN-LDF were selected...
December 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28041612/evaluation-of-a-routine-follow-up-visit-after-an-internal-fixation-of-proximal-femoral-fracture
#14
Joonas Mm Kuorikoski, Tim P Söderlund
BACKGROUND AND PURPOSE: Post-operative follow-up after internal fixation of fractures is a common practice. The goal of this study was to evaluate the necessity of a routine follow-up visit after internal fixation of a proximal femoral fracture. Our hypothesis is that these follow-up visits do not result in a change in the treatment plan, but add an extra cost to the health care system and lead to the purposeless utilisation of limited resources. PATIENTS AND METHODS: A retrospective study of 428 consecutive patients (431 fractures) with a scheduled outpatient clinic visit after internal fixation of proximal femoral fractures in a single hospital during years 2012-2013...
December 23, 2016: Injury
https://www.readbyqxmd.com/read/28032707/surgical-technique-for-subtrochanteric-fracture-of-femur
#15
Peng-Cheng Wang, Dong Ren, Chao-Hui Song, Bing Zhou
A 56-year-old woman had fell over herself 4 h prior to her presentation to our hospital. The diagnosis was a subtrochanteric fracture of the right femur (AO-32-A3). The patient was placed in a supine position was set up on a fracture traction table after general anesthesia. The right leg was placed in abduction while the left leg was positioned so that there was flexion of the knee and hip joint. The C-arm was placed on the left side. The surgical field was sterilized and draped. Deformity and external rotation are always present for this type of fracture, so the first step was to place a joystick in the proximal fragment to correct the external rotation...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28018071/reimplantation-of-contaminated-extruded-segment-of-lateral-femoral-condyle-cleansed-with-10-povidine-iodine-in-complex-floating-knee-injury-with-excellent-outcome-case-report-with-2-year-follow-up
#16
Prahalad Kumar Singhi, R Sivakumar, V Somashekar, Vinayak Kusabi, T Vinoth
Traumatic extrusion of bone is a rare complication of high energy open fractures, and there are only few studies published in literature on reimplantation of the extruded bone segment. Studies with clear guidelines regarding timing of reimplantation, stabilisation of extruded bone segments, bone disinfection and disinfection techniques are very few. Previous reports describe disinfection using thermal or chemical methods. We present a case scenario of successful reimplantation of an extruded metaphyseal segment of distal femoral condyle following cleaning with copious saline and soaked in 10% povidine-iodine for 20 min in a 21 year old male patient of a complex floating knee injury with excellent outcome based on Karlstrom and Olerud criteria...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28018063/endoprosthetic-reconstruction-for-metastatic-phaeochromocytoma-in-the-distal-femur-a-case-report
#17
Kanchana Pala Srikanth, Chirukuri Srinivas, Lakshmipura Gangadharaiah Gowrishankarswamy, Chikkamuniyappa Chandrasekar
Metastatic spread of malignant phaeochromocytoma is known to involve multiple organs including the axial skeleton. Its presentation as a solitary lesion in the long bones of the extremities is extremely rare. We report a unique case of solitary metastatic phaeochromocytoma presenting in the distal femur, 16 years after excision of primary abdominal tumor. A 60 year old female, operated for adrenal phaeochromocytoma 16 years back was detected to have a bone tumor in her left distal femur. Chest and abdominal CT evaluation including bone scintigraphy confirmed the lesion to be solitary...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28005099/a-new-technique-for-obtaining-bone-graft-in-cases-of-distal-femur-nonunion-passing-a-reamer-irrigator-aspirator-retrograde-through-the-nonunion-site
#18
Emmanuel D Eisenstein, Brian R Waterman, Enes M Kanlic, Amr A Abdelgawad
Bone grafting is one of the most common orthopedic procedures. We conducted a study to assess the possibility of passing a Reamer/Irrigator/Aspirator (RIA; DePuy Synthes) retrograde through the nonunion site in distal femur cases. This technique would avoid the complications and discomfort associated with a separate entry site for RIA. All patients with a distal femur nonunion treated with RIA bone grafting between 2009 and 2013 were included in the study. Nonunions were mobilized with excision of fibrous tissues...
November 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27984452/comparison-of-three-methods-for-maintaining-inter-fragmentary-compression-after-fracture-reduction-and-fixation
#19
Brigham Au, John Groundland, T Kyle Stoops, Brandon G Santoni, H Claude Sagi
OBJECTIVES: It is recommended that the intraarticular component of a supracondylar distal femoral fracture be stabilized by a lag screw to create interfragmental compression. Generally, it is thought that lag screw fixation should precede any positional screw or locking screw application. This study compared three methods of maintaining inter-fragmentary compression after fracture reduction with a reduction clamp. METHODS: Intra-articular vertical split fractures were created in synthetic femora...
December 1, 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27975352/-periprosthetic-femoral-fractures-classification-and-therapy
#20
K Trieb, C Fialka
Periprosthetic femoral fractures can be categorized into proximal fractures around a hip stem or distally around a knee arthroplasty. This paper focuses on the proximal periprosthetic fractures. It is important to classify the fracture at diagnosis and to perform accurate planning of the surgery. Basically it is necessary to decide if the implant is fixed or loose, in the latter case a revision surgery including the change of the endoprosthesis is neccessary. If the implant is fixed an open reduction and internal fixation can be done...
December 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
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