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femoral neck fractures

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https://www.readbyqxmd.com/read/28730395/dynamic-hip-screw-and-fibular-strut-graft-for-fixation-of-fresh-femoral-neck-fracture-with-posterior-comminution
#1
Adham Elgeidi, Abed El Negery, M Serry Abdellatif, Nabil El Moghazy
INTRODUCTION: Posterior comminution of the femoral neck fracture is a major cause of delayed and non-union owing to the loss of the buttressing effect against the posterior rotation. When a femoral neck fracture with posterior comminution is anatomically reduced, only the anterior portions of the femoral neck fracture surfaces are brought into contact leaving a posterior defect. The purpose of this study was to evaluate the use of fibular strut grafting and dynamic hip screw (DHS) for fresh femoral neck fractures with posterior comminution in young patient less than 50 years...
July 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28728078/femoral-head-necrosis-a-finite-element-analysis-of-common-and-novel-surgical-techniques
#2
Myriam Cilla, Sara Checa, Bernd Preininger, Tobias Winkler, Carsten Perka, Georg N Duda, Matthias Pumberger
BACKGROUND: Femoral head necrosis is a common cause of secondary osteoarthritis. At the early stages, treatment strategies are normally based on core decompression techniques, where the number, location and diameter of the drilling holes varies depending on the selected approach. The purpose of this study was to investigate the risk of femoral head, neck and subtrochanteric fracture following six different core decompression techniques. MATERIALS: Five common and a newly proposed techniques were analyzed in respect to their biomechanical consequences using finite element analysis...
July 6, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28726191/virtual-experimental-validation-of-dynamic-osteosynthesis-in-the-treatment-of-fractures-of-the-proximal-femur
#3
V E Dubrov, I A Kuz'kin, I M Shcherbakov, A L Matveev, A V Yudin
Volume model of transtrochanteric fracture of the femoral bone fixed by Targon PF dynamic fixator was studied by the finite element analysis. The following parameters were measured: magnitude and direction of displacement of system elements, pressure between fragments, and von Mises stress distribution in the fixator depending on support screw plunging into the sleeve. The results indicate that stability of the bone-nail system increases during fracture union and 10-mm shortening of the femoral neck axis, which is seen from a decrease in system deformation under load by 16...
July 18, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28725919/accurate-guide-wire-of-lag-screw-placement-in-the-intertrochanteric-fractures-a-technical-note
#4
Jiang Li, Liao Wang, Xiaodong Li, Kai Feng, Jian Tang, Xiaoqing Wang
Cephalomedullary fixations are commonly used in the treatment of intertrochanteric fractures. In clinical practice, one of the difficulties is when we exit the guide wire in a wrong position of femoral neck and insert near the hole again, the guide wire often flow into the previous track. This study develops a surgical technique to direct the guide wire to slip away the previous track and slip into a right position. When guide wire is exited to the cortex of femoral, we let the wire in and out at the cortical layer for several times to enlarge the entry hole...
July 19, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28723807/can-patients-with-femoral-neck-fracture-benefit-from-preoperative-thromboprophylaxis-a-prospective-randomized-controlled-trial
#5
Qiangqiang Li, Bingyang Dai, Jiacheng Xu, Yao Yao, Kai Song, Haojun Zhang, Dongyang Chen, Qing Jiang
BACKGROUND: The effectiveness of preoperative thromboprophylaxis remains obscure in patients with femoral neck fracture. The purpose of the current study was to investigate whether these patients benefit from preoperative thromboprophylaxis. METHODS: In this prospective, randomized controlled trial, a total of 80 patients with femoral neck fracture were randomly assigned to receive either rivaroxaban or conservative treatment before surgery. For all patients, color Doppler ultrasound of both lower extremities was performed immediately after admission...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28722766/comparative-analysis-of-the-radiology-of-osteoporotic-vertebral-fractures-in-women-and-men-cross-sectional-and-longitudinal-observations-from-the-canadian-multicentre-osteoporosis-study-camos
#6
Brian C Lentle, Claudie Berger, Linda Probyn, Jacques P Brown, Lisa Langsetmo, Ben Fine, Kevin Lian, Arvind K Shergill, Jacques Trollip, Stuart Jackson, William D Leslie, Jerilynn C Prior, Stephanie M Kaiser, David A Hanley, Jonathan D Adachi, Tanveer Towheed, K Shawn Davison, Angela M Cheung, David Goltzman
We compared two methods for osteoporotic vertebral fracture (VF) assessment on lateral spine radiographs, the Genant semi-quantitative (GSQ) technique and a modified algorithm-based qualitative (mABQ) approach. We evaluated 4465 women and 1771 men > 50 years old from the Canadian Multicentre Osteoporosis Study with available X-ray images at baseline. Observer agreement was lowest for grade 1 VFs determined by GSQ. Among physician readers, agreement was greater for VFs diagnosed by mABQ [ranging from 0...
July 19, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28722129/bone-strength-estimated-by-micro-finite-element-analysis-%C3%A2%C2%B5fea-is-heritable-and-shares-genetic-predisposition-with-areal-bmd-the-framingham-study
#7
David Karasik, Serkalem Demissie, Darlene Lu, Kerry E Broe, Steven K Boyd, Ching-Ti Liu, Yi-Hsiang Hsu, Mary L Bouxsein, Douglas P Kiel
Genetic factors contribute to the risk of bone fractures, partly because of effects on bone strength. High-resolution peripheral quantitative computed tomography (HR-pQCT) estimates bone strength using micro-finite element analysis (µFEA). The goal of this study was to investigate if the bone failure load estimated by HR-pQCT-based µFEA is heritable and to what extent it shares genetic regulation with areal bone mineral density (aBMD). Bone microarchitecture was measured by HR-pQCT at the ultradistal tibia and ultradistal radius in adults from the Framingham Heart Study (n = 1087, mean age 72 years; 57% women)...
July 19, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28720137/cortical-thickness-in-the-intertrochanteric-region-may-be-relevant-to-hip-fracture-type
#8
Huafeng Zhuang, Yizhong Li, Jinkuang Lin, Donglu Cai, Siqing Cai, Lisheng Yan, Xuedong Yao
BACKGROUND: This study assessed the differences in femoral geometry and bone mineral density between femoral neck fragility fractures and trochanteric fractures. METHODS: One hundred and seventeen patients were divided into femoral neck and trochanteric fracture groups. There were 69 patients with femoral neck fractures, 20 men and 49 women with an average age of 75.1 ± 9.6 years and an average body mass index (BMI) value of 21.6 ± 4.1 kg/m(2). The trochanteric group consisted of 48 patients, 16 men and 32 women with an average age of 78...
July 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28719727/the-ability-of-a-single-bmd-and-fracture-history-assessment-to-predict-fracture-over-25-years-in-postmenopausal-women-the-study-of-osteoporotic-fractures
#9
Dennis M Black, Jane A Cauley, Rachel Wagman, Kristine Ensrud, Howard A Fink, Teresa A Hillier, Li-Yung Lui, Steven R Cummings, John T Schousboe, Nicola Napoli
The ability of bone mineral density (BMD) and other risk factors to predict fracture risk is well-established for as long as 5 to 10 years. However, their value to predict risk over a longer term has not been directly studied. We investigated whether a single assessment of femoral neck BMD and fracture history can predict fracture risk over 20 to 25 years. We used data from the Study of Osteoporotic Fractures (SOF) that assessed BMD and risk factors in 7959 women age ≥67 (mean = 73.4) in 1988-1990. Follow-up for fractures continued for 25 years for hip fracture, and for 20 years for any nonvertebral fracture...
July 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28716066/erratum-to-more-complications-in-uncemented-compared-to-cemented-hemiarthroplasty-for-displaced-femoral-neck-fractures-a-randomized-controlled-trial-of-201-patients-with-one-year-follow-up
#10
Sophie Moerman, Nina M C Mathijssen, Dieu D Niesten, Roeland Riedijk, Willard J Rijnberg, Sander Koëter, Keetie Kremers van de Hei, Wim E Tuinebreijer, Tim L Molenaar, Rob G H H Nelissen, Anne J H Vochteloo
No abstract text is available yet for this article.
July 17, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28715798/bone-mineral-density-in-women-living-with-complete-androgen-insensitivity-syndrome-and-intact-testes-or-removed-gonads
#11
Silvano Bertelloni, Maria C Meriggiola, Elenora Dati, Antonio Balsamo, Giampiero I Baroncelli
Complete androgen insensitivity syndrome (CAIS) is due to complete androgen resistance in androgen-dependent tissues. Since androgens are involved in growth, development, and mass maintenance of the skeleton, bone health may be a relevant clinical issue for improving quality of life of women living with CAIS. Bone mineral density (BMD) in women with CAIS and intact gonads has been reported in a normal range, although exceptions are known showing a low BMD mainly at the lumbar level. In women with CAIS and removed gonads, BMD is usually reduced at both the lumbar spine and femoral neck...
July 18, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28713653/frail-phenotype-might-herald-bone-health-worsening-among-end-stage-renal-disease-patients
#12
Chia-Ter Chao, Jenq-Wen Huang, Ding-Cheng Chan
BACKGROUND: Frailty exhibits a high prevalence in end-stage renal disease (ESRD) patients and is associated with adverse health-related outcomes, including falls and fractures. Available studies do not address whether frailty is associated with temporal changes in BMD. We evaluated this issue by analyzing the follow-up dual energy X-ray absorptiometry (DXA) results in an ESRD cohort. METHODS: In 2015, we enrolled forty-three ESRD patients, divided into frail, pre-frail, and robust ones based on a validated simple FRAIL scale, all receiving DXA at baseline...
2017: PeerJ
https://www.readbyqxmd.com/read/28712980/association-of-selective-serotonin-reuptake-inhibitors-and-bone-mineral-density-in-elderly-women
#13
Smita Saraykar, Vineeth John, Bo Cao, Matthew Hnatow, Catherine G Ambrose, Nahid Rianon
Depression and osteoporosis are 2 common comorbidities in geriatric patients. There are concerns about the deleterious effects of selective serotonin reuptake inhibitor (SSRI) antidepressant use on bone mineral density (BMD). We examined the association between SSRI use and BMD in elderly women (≥65 yr) referred to a geriatric osteoporosis clinic for bone health evaluation. Cross-sectional analyses using the general linear model were performed on data collected retrospectively from August 2010 to April 2015...
July 13, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28712877/bone-mass-microarchitecture-and-strength-are-influenced-by-race-ethnicity-in-young-adult-men-and-women
#14
Kristin L Popp, Julie M Hughes, Adriana Martinez-Betancourt, Matthew Scott, Victoria Turkington, Signe Caksa, Katelyn I Guerriere, Kathryn E Ackerman, Chun Xu, Ginu Unnikrishnan, Jaques Reifman, Mary L Bouxsein
Lower rates of fracture in both Blacks compared to Whites, and men compared to women are not completely explained by differences in bone mineral density (BMD). Prior evidence suggests that more favorable cortical bone microarchitecture may contribute to reduced fracture rates in older Black compared to White women, however it is not known whether these differences are established in young adulthood or develop during aging. Moreover, prior studies using high-resolution pQCT (HR-pQCT) have reported outcomes from a fixed-scan location, which may confound sex- and race/ethnicity-related differences in bone structure...
July 13, 2017: Bone
https://www.readbyqxmd.com/read/28704747/two-cases-of-late-medial-instability-of-the-knee-due-to-hip-disease-after-total-knee-arthroplasty
#15
Masanori Tsubosaka, Tomoyuki Matsumoto, Koji Takayama, Naoki Nakano, Ryosuke Kuroda
INTRODUCTION: There are few specific reports of late medial instability after total knee arthroplasty (TKA). We described two cases of late medial instability of the knee due to hip disease with osteoarthritis or rheumatoid arthritis after TKA, which required revision TKA. PRESENTATION OF CASES: An 82-year-old woman experienced right femoral neck fracture due to a fall that required conservative treatment at age 77 years and underwent left TKA at age 80 years. A 68-year-old woman underwent left TKA at age 54 years, right TKA at age 64 years, and left THA at age 67 years...
June 29, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28702088/delayed-recognition-of-an-ipsilateral-femoral-neck-and-shaft-fracture-leading-to-preventable-subsequent-complications-a-case-report
#16
Sönke Labza, Isabella Fassola, Benedict Kunz, Wolfgang Ertel, Senat Krasnici
BACKGROUND: Ipsilateral femoral shaft and neck fractures are rare injuries, affecting mostly young patients who sustained high-energy traumas. In 19-50% of cases, the femoral fracture is misdiagnosed or overlooked at the initial presentation, with reportedly increased risk of complications such as non-union and avascular necrosis. We present a case of an ipsilateral femoral neck and shaft fracture, which was missed at initial presentation despite radiographic and computed tomography (CT) scan evaluation...
2017: Patient Safety in Surgery
https://www.readbyqxmd.com/read/28696014/effect-of-metformin-on-ossification-and-inflammation-of-fibroblasts-in-ankylosing-spondylitis-an-in-vitro-study
#17
Xiong Qin, Tongmeng Jiang, Jiachang Tan, Huayu Wu, Li Zheng, Jinmin Zhao
Ankylosing spondylitis (AS) is an autoimmune disease characterized by fibroblasts ossification. However, effective drug therapy for AS is lacking. As an antidiabetic drug, metformin has demonstrated an anti-osteogenic effect on osteoblasts in vitro. And it is also a kind of specific agonists for AMPK, which is blocked in the process of AS. Given the role in anti-osteogenesis and AMPK activating, metformin was investigated of its effect on fibroblasts harvested from capsular ligament of patients with femoral neck fracture and ankylosing spondylitis...
July 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28692172/effect-of-monthly-high-dose-vitamin-d-on-bone-density-in-community-dwelling-older-adults-sub-study-of-a-randomized-controlled-trial
#18
Ian R Reid, Anne M Horne, Borislav Mihov, Gregory D Gamble, Fadiya Al-Abuwsi, Manisha Singh, Lucie Taylor, Sheryl Fenwick, Carlos A Camargo, Alistair W Stewart, Robert Scragg
BACKGROUND: Severe vitamin D deficiency causes osteomalacia, yet trials of vitamin D supplementation in the community have not on average demonstrated benefit to bone mineral density (BMD) or fracture risk in adults. OBJECTIVE: To determine whether monthly high-dose vitamin D supplementation influences BMD in the general population and in those with low 25-hydroxyvitamin D levels. METHODS: 2-year sub-study of a trial in older community-resident adults...
July 10, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28691547/reduced-risk-of-reoperation-after-treatment-of-femoral-neck-fractures-with-total-hip-arthroplasty
#19
Susanne Hansson, Szilard Nemes, Johan Kärrholm, Cecilia Rogmark
Background and purpose - Femoral neck fractures (FNFs) are commonly treated with some kind of arthroplasty, but evidence on whether to use hemiarthroplasty (HA) or total hip arthroplasty (THA) is lacking. HA reduces the risk of dislocation, but may lead to acetabular erosion. THA implies longer surgery and increased bleeding. THA may result in better function and health-related quality of life, but evidence is contradictory. We compared HA and THA and in terms of revision, reoperation and death. Patients and methods - Data were extracted from the Swedish Hip Arthroplasty Register for 11,253 patients with acute FNF receiving cemented HA or THA during 2008-2012...
July 10, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28690468/bone-mineral-density-response-from-teriparatide-in-patients-with-osteoporosis
#20
So-Young Kim, Meng Zhang, Richard Bockman
BACKGROUND: A review of data from large clinical trials reported more than 90% of subjects significantly improved their bone mineral density (BMD) at the lumbar spine (LS) with teriparatide (TPTD) (bone 39:1268-1275, 1). However, our clinical experience suggests that many patients may be non-responders, raising questions as to the true efficacy of TPTD in improving BMD in osteoporotic patients. QUESTIONS/PURPOSES: The purpose of the study is to determine the rate of improvement in BMD following 18-24 months of teriparatide (TPTD) in patients with osteoporosis within an orthopedic hospital setting...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
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