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Proximal femur fractures

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https://www.readbyqxmd.com/read/28334547/origin-of-cam-morphology-in-femoroacetabular-impingement
#1
William Z Morris, Ryan T Li, Raymond W Liu, Michael J Salata, James T Voos
Cam morphology of the proximal femur is an abnormal contour of the femoral head-neck junction present in approximately 15% to 25% of the asymptomatic population, predominantly in males. Alpha angle and femoral head-neck offset ratio are 2 objective measurement tools that define cam morphology. Both primary (idiopathic) and secondary cam deformity develops through distinct mechanisms. The cause of primary (idiopathic) cam morphology remains incompletely understood. Mounting evidence suggests that idiopathic cam morphology develops during adolescence through alterations in the capital femoral epiphysis in response to participation in vigorous sporting activity...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28326420/proximal-femoral-reconstruction-for-failed-internal-fixation-of-a-bisphosphonate-related-femur-fracture
#2
Rishabh G Jethanandani, Chima Nwankwo, Philip R Wolinsky, Mauro Giordani, Derek F Amanatullah
We present a case of a bisphosphonate-related femur fracture in an elderly woman, who failed treatment with both cephalomedullary nail and proximal femoral locking plate, leading to successful treatment with total hip arthroplasty. Hardware failure should be included in the differential of patients with previous internal fixation of bisphosphonate-related femur fracture that present with hip or groin pain. Arthroplasty can be an acceptable salvage option in an active elderly patient with a bisphosphonate-related femur fracture...
December 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28326303/current-role-and-application-of-teriparatide-in-fracture-healing-of-osteoporotic-patients-a-systematic-review
#3
Sang-Min Kim, Kyung-Chung Kang, Ji Wan Kim, Seung-Jae Lim, Myung Hoon Hahn
BACKGROUND: The use of osteoanabolic agents to facilitate fracture healing has been of heightened interest to the field of orthopaedic trauma. This study aimed to evaluate the evidence of teriparatide for fracture healing and functional recovery in osteoporotic patients. METHODS: We performed a literature search in PubMed, EMBASE, Web of Science, and the Cochrane Library using terms including "Fracture" [tiab] AND "Teriparatide [tiab] OR "PTH" [tiab]. RESULTS: This systematic review included 6 randomized clinical trials, 4 well-controlled retrospective studies, and 1 retrospective post hoc subgroup analysis...
February 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28320209/anterolateral-ligament-of-the-knee-anatomy-function-imaging-and-treatment
#4
Ronak M Patel, Robert H Brophy
The anterolateral ligament (ALL) of the knee has gained attention recently for its potential role in rotational stability of the knee, especially in association with anterior cruciate ligament (ACL) injuries. Anatomic studies have characterized the ALL as it runs in an anteroinferior and oblique direction from the lateral distal femur to the anterolateral proximal tibia, although the prevalence and variance of this ligament are not well understood. Magnetic resonance imaging and ultrasound have identified the ligament and linked it with the classically described Segond fracture...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28300706/tapered-stems-one-third-proximally-coated-have-higher-complication-rates-than-cylindrical-two-third-coated-stems-in-patients-with-high-hip-dislocation-undergoing-total-hip-arthroplasty-with-step-cut-shortening-osteotomy
#5
Vahit Emre Ozden, Goksel Dikmen, Burak Beksac, Ismail Remzi Tozun
BACKGROUND: The results of cementless stems in total hip arthroplasty (THA) done because of congenital dislocation with step-cut osteotomy is not well known, particularly the influence of the design and the role of extent of porous coating. Therefore we performed a retrospective study to evaluate the mid to long-term results THA performed with a single type acetabular component and different geometry and fixation type stems with ceramic bearings in the setting of step-cut subtrochanteric osteotomy in high hip dislocated (HHD) patients...
March 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28300344/intramedullary-nailing-combined-with-bone-grafting-for-benign-lesions-of-the-proximal-femur
#6
Yan Zhang, Jia-Zhen Li, Xin-Chang Lu, Yi Zhang, Huai-Shuan Zhang, Hai-Long Shi, Zheng Lei, Guang Feng, Wei-Ping Fu
OBJECTIVE: To evaluate the effectiveness of intramedullary nailing for benign lesions of the proximal femur. METHOD: A retrospective analysis was carried out on 68 cases of benign lesions in the proximal femur at our hospital from April 2002 to April 2013 (38 men and 30 women). Mean age at surgery was 35.5 years (range, 22-56 years). The cases were divided into two groups: curettage of the lesion with bone grafting only as the grafting group (32 cases) and internal fixation after removal of the lesion as the fixation group (36 cases)...
March 16, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28289933/reinforced-cementoplasty-using-dedicated-spindles-in-the-management-of-unstable-malignant-lesions-of-the-cervicotrochanteric-region
#7
Kévin Premat, Frédéric Clarençon, Raphael Bonaccorsi, Vincent Degos, Évelyne Cormier, Jacques Chiras
OBJECTIVES: In long bones, cementoplasty alone does not provide sufficient stability, which may cause secondary fractures. This study reviewed the safety and efficacy of reinforced cementoplasty (RC) (percutaneous internal fixation using dedicated spindles combined with cementoplasty) for unstable malignant lesions of the cervicotrochanteric region (CTR) of the proximal femur. METHODS: Eighteen consecutive patients (nine women [50%] and nine men [50%]; mean age 55...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28287002/poor-relation-between-biomechanical-and-clinical-studies-for-the-proximal-femoral-locking-compression-plate
#8
Bjarke Viberg, Katrine M V Rasmussen, Søren Overgaard, Cecilia Rogmark
Background and purpose - The proximal femur locking compression plate (PF-LCP) is a new concept in the treatment of hip fractures. When releasing new implants onto the market, biomechanical studies are conducted to evaluate performance of the implant. We investigated the relation between biomechanical and clinical studies on PF-LCP. Methods - A systematic literature search of relevant biomechanical and clinical studies was conducted in PubMed on December 1, 2015. 7 biomechanical studies and 15 clinical studies were included...
March 13, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28283706/three-dimensional-analysis-of-the-proximal-anterior-femoral-flare-and-torsion-anatomic-bases-for-metaphyseally-fixed-short-stems-design
#9
Elhadi Sariali, Yohan Knaffo
PURPOSE: The use of femoral stems with a short metaphyseal fixation may lead to fractures or subsidence. Such failures may be related to a mismatch between the torsions or the sagittal flares of the stem and the femur. The goal of our study was to perform a 3D analysis of the proximal metaphyseal femur anatomy with a special focus on the anterior proximal flare and torsion. Such data may help to detect the outlier patients for whom a short metaphyseal fixation should be avoided. METHODS: A prospective study included 80 consecutive patients who underwent a primary cementless THA with a 3D CT-scan based pre-operative planning...
March 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28282569/new-approaches-for-cement-based-prophylactic-augmentation-of-the-osteoporotic-proximal-femur-provide-enhanced-reinforcement-as-predicted-by-non-linear-finite-element-simulations
#10
Peter Varga, Jason A Inzana, Jakob Schwiedrzik, Philippe K Zysset, Boyko Gueorguiev, Michael Blauth, Markus Windolf
BACKGROUND: High incidence and increased mortality related to secondary, contralateral proximal femoral fractures may justify invasive prophylactic augmentation that reinforces the osteoporotic proximal femur to reduce fracture risk. Bone cement-based approaches (femoroplasty) may deliver the required strengthening effect; however, the significant variation in the results of previous studies calls for a systematic analysis and optimization of this method. Our hypothesis was that efficient generalized augmentation strategies can be identified via computational optimization...
March 2, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28280846/obesity-type-2-diabetes-and-bone-in-adults
#11
REVIEW
Jennifer S Walsh, Tatiane Vilaca
In an increasingly obese and ageing population, type 2 diabetes (T2DM) and osteoporotic fracture are major public health concerns. Understanding how obesity and type 2 diabetes modulate fracture risk is important to identify and treat people at risk of fracture. Additionally, the study of the mechanisms of action of obesity and T2DM on bone has already offered insights that may be applicable to osteoporosis in the general population. Most available evidence indicates lower risk of proximal femur and vertebral fracture in obese adults...
March 9, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28277562/role-of-cortical-bone-in-hip-fracture
#12
REVIEW
Jonathan Reeve
In this review, I consider the varied mechanisms in cortical bone that help preserve its integrity and how they deteriorate with aging. Aging affects cortical bone in two ways: extrinsically through its effects on the individual that modify its mechanical loading experience and 'milieu interieur'; and intrinsically through the prolonged cycle of remodelling and renewal extending to an estimated 20 years in the proximal femur. Healthy femoral cortex incorporates multiple mechanisms that help prevent fracture...
2017: BoneKEy Reports
https://www.readbyqxmd.com/read/28276125/proximal-femur-volumetric-bone-mineral-density-and-mortality-13-years-of-follow-up-of-the-ages-reykjavik-study
#13
Elisa A Marques, Martine Elbejjani, Vilmundur Gudnason, Gunnar Sigurdsson, Thomas Lang, Sigurdur Sigurdsson, Thor Aspelund, Osorio Meirelles, Kristin Siggeirsdottir, Lenore Launer, Gudny Eiriksdottir, Tamara B Harris
Bone mineral density (BMD) has been linked to mortality, but little is known about the independent contribution of each endosteal bone compartment and also the rate of bone loss to risk of mortality. We examined the relationships between (1) baseline trabecular and cortical volumetric BMD (vBMD) at the proximal femur, and (2) the rate of trabecular and cortical bone loss and all-cause mortality in older adults from the AGES-Reykjavik study. The analysis of trabecular and cortical vBMD and mortality was based on the baseline cohort of 4654 participants (aged ≥66 years) with a median follow-up of 9...
March 9, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28267906/-pathological-fracture-rate-due-to-proximal-femur-metastasis-at-a-referral-hospital
#14
R Trujillo-González, L Nieto-Lucio, J A Mendoza-Breton
OBJECTIVE: To report the incidence of pathological fractures secondary to metastasis at a national referral hospital during a 5-year period. METHODS: Total admissions to our center were recorded, together with the patients who met the requirement of having a proximal femur fracture in a pathological area. The potential number of beneficiaries was estimated based on official figures and the hospitals area of influence. The annual incidence rate and the incidence density were calculated using the latter data...
July 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28263371/association-between-preoperative-malnutrition-and-postoperative-delirium-after-hip-fracture-surgery-in-older-adults
#15
Paolo Mazzola, Libby Ward, Sara Zazzetta, Valentina Broggini, Alessandra Anzuini, Breanna Valcarcel, Justin S Brathwaite, Giulio M Pasinetti, Giuseppe Bellelli, Giorgio Annoni
OBJECTIVES: To determine whether poor nutritional status can predict postoperative delirium in elderly adults undergoing hip fracture surgery. DESIGN: Prospective observational cohort study. SETTING: Italian orthogeriatric unit. PARTICIPANTS: Individuals aged 70 and older (mean age 84.0 ± 6.6, 74.5% female) consecutively admitted for surgical repair of a proximal femur fracture between September 2012 and April 2016 (N = 415)...
March 6, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28259588/complication-rates-for-hip-arthroscopy-are-underestimated-a-population-based-study
#16
Jeremy N Truntzer, Daniel J Hoppe, Lauren M Shapiro, Geoffrey D Abrams, Marc Safran
PURPOSE: To identify major and minor complication rates associated with hip arthroscopy from a payer-based national database and compare with the rates reported in the existing literature. METHODS: Patients who underwent hip arthroscopy between 2007 and 2014 were identified using PearlDiver, a publicly available database. Rates of major and minor complications, as well as conversion to total hip arthroscopy (THA), were determined by using Current Procedural Terminology (CPT) and International Classification of Diseases, Ninth Revision (ICD-9), codes...
March 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28255659/an-intact-fibula-may-contribute-to-allow-early-weight-bearing-in-surgically-treated-tibial-plateau-fractures
#17
Ion Carrera, Pablo Eduardo Gelber, Gaetan Chary, Mireia Gomez Masdeu, Miguel A González Ballester, Juan Carlos Monllau, Jerome Noailly
PURPOSE: The role of the proximal tibiofibular joint (PTFJ) in tibial plateau fractures is unknown. The purpose of this study was to assess, with finite-element (FE) calculations, differences in interfragmentary movement (IFM) in a split fracture of lateral tibial plateau, with and without intact fibula. It was hypothesized that an intact fibula could positively contribute to the mechanical stabilization of surgically reduced lateral tibial plateau fractures. METHODS: A split fracture of the lateral tibial plateau was recreated in an FE model of a human tibia...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28251468/low-prevalence-of-osteoporosis-treatment-in-patients-with-recurrent-major-osteoporotic-fracture
#18
J Flais, G Coiffier, J Le Noach, J D Albert, M Faccin, A Perdriger, H Thomazeau, P Guggenbuhl
The majority of patients do not receive anti-osteoporotic treatment following a major osteoporotic fracture, despite the guidelines and the availability of effective anti-osteoporotic treatments. The fight against factors limiting the diagnosis and treatment of osteoporosis should become a priority to improve secondary prevention after an initial osteoporotic fracture. PURPOSE: Despite the availability of effective anti-osteoporotic treatments, osteoporosis management is currently insufficient...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28250681/dynamic-hip-screw-versus-proximal-femur-locking-compression-plate-in-intertrochanteric-femur-fractures-ao-31a1-and-31a2-a-prospective-randomized-study
#19
Prabhat Agrawal, Sahil Gaba, Saubhik Das, Ranjit Singh, Arvind Kumar, Gajanand Yadav
INTRODUCTION: Intertrochanteric fractures are common in elderly population and pose a significant financial burden to the society. Anatomically contoured proximal femur locking compression plate (PFLCP) is the latest addition in the surgeons' armamentarium to deal with these fractures. It creates an angular stable construct, which will theoretically lessen the risk of failure by screw cut-out and varus collapse, the common mode of DHS failure. We compared DHS with PFLCP in AO type 31A1 and 31A2 intertrochanteric fractures...
January 2017: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/28244926/biomechanical-evaluation-of-the-depth-of-resection-during-femoral-neck-osteoplasty-for-anterior-impingement-following-slipped-capital-femoral-epiphysis
#20
Kevin M Dale, Geoffrey T Burns, Ying Li
BACKGROUND: Femoroacetabular impingement as a result of slipped capital femoral epiphysis (SCFE) has been treated traditionally with a proximal femoral osteotomy, but open and arthroscopic femoral osteoplasty is becoming increasingly popular. Cam lesions result from excess bone primarily at the anterolateral femoral head-neck junction. SCFEs result from posterior and inferior slippage of the femoral epiphysis, causing the metaphysis to move anteriorly. This study's purpose was to compare fourth-generation sawbones standard femurs with SCFE femurs to determine whether bone resection from the anterior metaphysis results in similar biomechanical properties...
February 27, 2017: Journal of Pediatric Orthopedics
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