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femur fractures

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https://www.readbyqxmd.com/read/28728078/femoral-head-necrosis-a-finite-element-analysis-of-common-and-novel-surgical-techniques
#1
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
#2
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/28726121/bone-marrow-oedema-predicts-bone-collapse-in-paediatric-and-adolescent-leukaemia-patients-with-corticosteroid-induced-osteonecrosis
#3
Ashok Joseph Theruvath, Preeti Arun Sukerkar, Shanshan Bao, Jarrett Rosenberg, Sandra Luna-Fineman, Sandhya Kharbanda, Heike Elisabeth Daldrup-Link
OBJECTIVES: Corticosteroid treatment of paediatric leukaemia patients can lead to osteonecrosis (ON). We determined whether bone marrow oedema (BME) is an early sign of progressive ON and eventual bone collapse. METHODS: In a retrospective study, two radiologists reviewed MR imaging characteristics of 47 early stage epiphyseal ON in 15 paediatric and adolescent leukaemia patients. Associations between BME on initial imaging studies and subchondral fracture, disease progression and bone collapse were assessed by Cochran-Mantel-Haenszel tests...
July 19, 2017: European Radiology
https://www.readbyqxmd.com/read/28725122/two-incisions-direct-anterior-approach-for-thr-surgical-technique-and-early-outcome
#4
Ritesh Rathi, Idriss Tourabaly, Alexis Nogier
PURPOSE: In recent times the direct anterior approach for total hip replacement has gained considerable interest among orthopaedic surgeons because of the relative muscle-sparing nature than other surgical approaches. However, critics believe that this approach is associated with steep learning curve and high complication rates, mainly attributed to a more limited exposure to the femur. In order to make femoral access easier and implantation of acetabulum in anatomic plane, we designed a "two incisions anterior approach technique" for total hip replacement...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28721591/secondary-femur-shaft-fracture-following-treatment-with-cephalomedullary-nail-a-retrospective-single-center-experience
#5
Nikolaus W Lang, J Joestl, S Payr, P Platzer, K Sarahrudi
AIM: Secondary femur fracture subsequent to treatment of trochanteric fractures with cephalomedullary nailing (i.e., a periprosthetic fracture related to the cephalomedullary nail) is a rare but very severe complication. As such, the aim of this study was to assess the impact of revision surgery and general state of health on mortality and functional outcomes in patients suffering femur fractures following treatment with cephalomedullary nails. MATERIALS AND METHODS: Between 2000 and 2015, 3549 patients presenting with OTA/AO 31A1-3 femur fractures were admitted to our department and subsequently treated with either a Gamma(®) Nail or PFNA(®)...
July 18, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28721484/a-comparison-of-external-fixation-and-locked-intramedullary-nailing-in-the-treatment-of-femoral-diaphysis-fractures-from-gunshot-injuries
#6
G Polat, H I Balci, O N Ergin, A Asma, C Şen, Ö Kiliçoğlu
INTRODUCTION: We studied the safety and incidence of complications from the treatment of gunshot-induced femur diaphysis fractures with locked intramedullary nailing in comparison to external fixation. METHODS: Patients who had femoral diaphysis fracture operations due to gunshot injuries (107 femurs of 99 patients) between 2003 and 2014 were retrospectively reviewed, and 66 femurs of 60 patients were place into two groups (Group A: intramedullary nailing-38 femurs of the 36 patients; Group B: external fixator-28 femurs of 24 patients)...
July 18, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28719564/the-new-apgar-score-a-checklist-to-enhance-quality-of-life-in-geriatric-patients-with-hip-fracture
#7
Joseph Bernstein, Sara Weintraub, Eric Hume, Mark D Neuman, Stephen L Kates, Jaimo Ahn
For geriatric patients with hip fractures, the broken bone is the reason for admission, but only part of the overall disease. Indeed, it may be more helpful to consider the patient having geriatric hip fracture syndrome or sustaining a hip attack, as there are many associated medical, social, psychological, and other problems to which attention must be paid. To that end, we have identified a series of 10 steps, collected into a checklist, that can be undertaken for all patients with geriatric hip fracture. In homage to the maxim "we come into the world under the brim of the pelvis and go out through the neck of the femur," we defined our checklist by the acronym APGAR SCORE, named after the classic checklist of the same name used to assess a newborn child...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719546/fracture-table-application-for-pediatric-femur-fractures-incidence-and-risk-factors-associated-with-adverse-outcomes
#8
Brian A Kelly, Manahil Naqvi, Emily S Rademacher, Patricia E Miller, Daniel J Hedequist, Michael P Glotzbecker, Travis H Matheney, Benjamin J Shore
BACKGROUND: Flexible elastic nails, submuscular plating, and rigid locked intramedullary nails are common methods of fixation for pediatric femur fractures (PFF) in which the fracture table is used to aid reduction. Little is known about complications associated with fracture table application in PFF. The purpose of this study was to determine the incidence and risk factors associated with adverse outcomes related to fracture table application for the treatment of PFF. METHODS: A retrospective chart review of all children (younger than 18 y) treated for a femur fracture with the use of the fracture table between 2004 and 2015 at a single tertiary pediatric hospital was performed...
July 17, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28711604/an-animal-model-of-co-existing-sarcopenia-and-osteoporotic-fracture-in-senescence-accelerated-mouse-prone-8-samp8
#9
Ning Zhang, Simon Kwoon Ho Chow, Kwok Sui Leung, Ho Hin Lee, Wing Hoi Cheung
Sarcopenia and osteoporotic fracture are common aging-related musculoskeletal problems. Recent evidences report that osteoporotic fracture patients showed high prevalence of sarcopenia; however, current clinical practice basically does not consider sarcopenia in the treatment or rehabilitation of osteoporotic fracture. There is almost no report studying the relationship of the co-existing of sarcopenia and osteoporotic fracture healing. In this study, we validated aged senescence accelerated mouse prone 8 (SAMP8) and senescence accelerated mouse resistant 1 (SAMR1) as animal models of senile osteoporosis with/without sarcopenia...
July 12, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28706089/evaluation-of-the-geriatric-co-management-for-patients-with-fragility-fractures-of-the-proximal-femur-geriatric-fracture-centre-gfc-concept-protocol-for-a-prospective-multicentre-cohort-study
#10
Alexander Joeris, Anahí Hurtado-Chong, Denise Hess, Vasiliki Kalampoki, Michael Blauth
INTRODUCTION: Treatment of fractures in the elderly population is a clinical challenge due partly to the presence of comorbidities. In a Geriatric Fracture Centre (GFC), patients are co-managed by a geriatrician in an attempt to improve clinical outcomes and reduce morbidity and mortality. Until now the beneficial effect of orthogeriatric co-management has not been definitively proven. The primary objective of this study is to determine the effect of GFC on predefined major adverse events related to a hip fracture compared to usual care centres (UCC)...
July 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/28702399/bilateral-simultaneous-neck-femur-fracture-following-domestic-fall-in-an-elderly-patient-a-rare-case-report
#11
Mayank Vijayvargiya, Vivek Shetty, Kiran Makwana, Nitesh Agarwal
Simultaneous bilateral neck femur fracture is a rare entity that has been associated with underlying bone disease, various metabolic diseases, high-energy trauma, and seizure disorders. Its occurrence following minimal trauma is very rare. This article presents the case of a 66-year-old female who sustained bilateral intracapsular fracture neck femur following a slip and fall at home. Single-stage bilateral cemented total hip replacement was done using a direct lateral approach with alternate right and left lateral positions...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28702385/evaluation-of-suspected-physical-abuse-in-children-a-500-case-study
#12
Marcos Picini, João Rodolfo Radtke Gonçalves, Thagla Bringhenti, Edilson Forlin
OBJECTIVE: This study evaluated the epidemiological profile of patients with suspected physical abuse, especially regarding the occurrence of fractures, treated in a referral hospital. METHODS: The authors reviewed all reports of suspected abuse against children and adolescents (AACA) in this hospital from January 2005 to December 2015. They were assessed and separated by month and year. The characteristics of the victims of physical abuse with occurrence of fractures were studied...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28697790/fully-automated-segmentation-of-callus-by-micro-ct-compared-to-biomechanics
#13
Oliver Bissinger, Carolin Götz, Klaus-Dietrich Wolff, Alexander Hapfelmeier, Peter Michael Prodinger, Thomas Tischer
BACKGROUND: A high percentage of closed femur fractures have slight comminution. Using micro-CT (μCT), multiple fragment segmentation is much more difficult than segmentation of unfractured or osteotomied bone. Manual or semi-automated segmentation has been performed to date. However, such segmentation is extremely laborious, time-consuming and error-prone. Our aim was to therefore apply a fully automated segmentation algorithm to determine μCT parameters and examine their association with biomechanics...
July 11, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28697079/exchange-nailing-for-hypertrophic-femoral-nonunion
#14
Alejandro Marquez-Lara, T David Luo, Rebecca Senehi, Arun Aneja, Hoyt Randy Beard, Eben A Carroll
Exchange nailing has proven to be a reliable surgical technique for the management of aseptic femoral shaft nonunions. Similar to primary intramedullary nail fixation for femur fractures, exchange nailing for aseptic hypertrophic nonunions of the femur relies on successful navigation of the starting point and proper nail trajectory to minimize coronal and sagittal plane deformities. Compared with the supine position, the lateral decubitus position has the advantage of allowing gravity to displace the soft tissue around the piriformis start site to facilitate nail entry...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28697072/repair-of-displaced-partial-articular-fracture-of-the-distal-femur-the-hoffa-fracture
#15
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/28695227/-cancellous-screws-versus-dynamic-hip-screw-fixation-of-femural-neck-fractures-the-fixation-using-alternative-implants-for-the-treatment-of-hip-fractures-study-faith
#16
https://www.readbyqxmd.com/read/28690472/lung-adenocarcinoma-with-miliary-metastases-and-left-femur-pathologic-fracture-an-unusual-case-mimicking-disseminated-tuberculosis
#17
Nasim Khadem, Cristina Costales, Eric A White, Dakshesh B Patel, Anderanik Tomasian, George R Matcuk
No abstract text is available yet for this article.
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28690039/retained-antibiotic-spacers-after-total-hip-and-knee-arthroplasty-resections-high-complication-rates
#18
Stephen M Petis, Kevin I Perry, Mark W Pagnano, Daniel J Berry, Arlen D Hanssen, Matthew P Abdel
BACKGROUND: Prolonged retention of an antibiotic spacer is occasionally chosen during treatment of periprosthetic joint infections after total hip arthroplasty (THA) and total knee arthroplasty (TKA). The purpose of our study was to evaluate the outcome of extended spacer retention. METHODS: We reviewed 1106 cases of periprosthetic joint infection after THA (n = 308) and TKA (n = 798) and identified 17 (5.5%) retained hip and 34 (4.3%) retained knee spacers. Most patients (35 of 51, 69%) underwent spacer retention because they were medically unfit for further surgery...
June 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28689807/rewriting-the-tip-apex-distance-for-the-proximal-femoral-nail-anti-rotation
#19
Michael Yam, Anuj Chawla, Ernest Kwek
INTRODUCTION: The proximal femur nail anti-rotation (PFNA-II) (Synthes GmbH, Oberdorf, Switzerland) is the most commonly used implant for intramedullary nailing of unstable intertrochanteric fractures in our centre. However, mechanical failure of the bone with respect to the implant is a cause of concern due to its significant morbidity especially in the elderly. To date, factors for fixation failures are not well defined in the literature. This study aims to evaluate the factors that predispose to cut out of the PFNA implant and to provide a guide for surgical fixation...
July 1, 2017: Injury
https://www.readbyqxmd.com/read/28689509/formononetin-a-methoxy-isoflavone-enhances-bone-regeneration-in-a-mouse-model-of-cortical-bone-defect
#20
Krishna Bhan Singh, Manisha Dixit, Kapil Dev, Rakesh Maurya, Divya Singh
The bone regeneration and healing effect of formononetin was evaluated in a cortical bone defect model that predominantly heals by intramembranous ossification. For this study, female Balb/c mice were ovariectomised (OVx) and a drill-hole injury was generated in the midfemoral bones of all animals. Treatment with formononetin commenced the day after and continued for 21 d. Parathyroid hormone (PTH1-34) was used as a reference standard. Animals were killed at days 10 and 21. Femur bones were collected at the injury site for histomorphometry studies using microcomputed tomography (μCT) and confocal microscopy...
July 10, 2017: British Journal of Nutrition
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