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https://www.readbyqxmd.com/read/28740521/new-quantitative-ultrasound-techniques-for-bone-analysis-at-the-distal-radius-in-hip-fracture-cases-differences-between-femoral-neck-and-trochanteric-fractures
#1
Motoyuki Horii, Hiroyoshi Fujiwara, Ryo Sakai, Koshiro Sawada, Yasuo Mikami, Syogo Toyama, Etsuko Ozaki, Nagato Kuriyama, Masao Kurokawa, Toshikazu Kubo
BACKGROUND: Ample evidence on etiological and pathological differences between femoral neck and trochanteric fracture cases suggests the possibility of individualized treatment. There are many issues related to areal bone mineral density and other quantitative computed tomography parameters of the proximal femur. Although osteoporosis is a systemic problem, little has been reported regarding differences in bone structural parameters, including bone mineral density, between them in regions other than the proximal femur...
January 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28739416/comparison-of-non-invasive-assessments-of-strength-of-the-proximal-femur
#2
Fjola Johannesdottir, Erica Thrall, John Muller, Tony M Keaveny, David L Kopperdahl, Mary L Bouxsein
It is not clear which non-invasive method is most effective for predicting strength of the proximal femur in those at highest risk of fracture. The primary aim of this study was to compare the abilities of dual energy X-ray absorptiometry (DXA)-derived aBMD, quantitative computed tomography (QCT)-derived density and volume measures, and finite element analysis (FEA)-estimated strength to predict femoral failure load. We also evaluated the contribution of cortical and trabecular bone measurements to proximal femur strength...
July 21, 2017: Bone
https://www.readbyqxmd.com/read/28737630/first-in-the-nation-one-unit-s-journey-to-achieving-fragility-fracture-certification
#3
Audry McDonald, Samantha Church, Laura Hixon, Linda Vo, Martha Sleutel
Osteoporosis is related to more than 2 million fractures and $19 billion in healthcare costs each year (). A fragility fracture (FF) is a low-energy fracture of the distal radius, proximal humerus, ankle, or proximal femur (hip) from minimal trauma such as a fall from a standing height. In addition to cost, FFs often result in the loss of independence and productivity (). In 2015, our orthopaedic unit received the first certification ever awarded for FFs. Fragility fracture certification is a new certification demonstrating that a healthcare facility complies with national patient care standards and uses evidence-based practice guidelines to deliver quality outcomes...
July 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28735800/durability-of-hemiarthroplasty-for-pathologic-proximal-femur-fractures
#4
Matthew T Houdek, Cody C Wyles, Joshua R Labott, Peter S Rose, Michael J Taunton, Franklin H Sim
BACKGROUND: The hip is a common location for metastatic tumors. Due to the high loads placed through the proximal femur, surgery is often indicated to provide pain relief and restore function. Historically, these lesions are reconstructed with a hemiarthroplasty; however, there are few reports on the outcome of these reconstructions. The purpose of this study is to evaluate the outcome of hemiarthroplasty for the treatment of proximal femur metastatic disease, with a specific focus on the rates of conversion to total hip arthroplasty (THA)...
July 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28725122/two-incisions-direct-anterior-approach-for-thr-surgical-technique-and-early-outcome
#5
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/28720522/patients-with-non-ambulatory-cerebral-palsy-have-higher-sclerostin-levels-and-lower-bone-mineral-density-than-patients-with-ambulatory-cerebral-palsy
#6
Yoon-Kyum Shin, Young Kwon Yoon, Kyung Bae Chung, Yumie Rhee, Sung-Rae Cho
Bone loss is a serious clinical issue in patients with cerebral palsy (CP). Sclerostin has garnered interest as a key mechanosensor in osteocytes, leading to considerations of the therapeutic utilization of anti-sclerostin medications. This study was undertaken to determine associations among mechanical unloading, sclerostin levels, and bone imbalance in patients with CP. A total of 28 patients with CP participated in this cross-sectional study. The following measurements were taken: anthropometrics, clinical diagnosis of CP subtype and ambulatory status, bone mineral density (BMD) z-scores at the lumbar spine and hip, and blood biochemical markers, including sclerostin, parathyroid hormone (PTH), osteocalcin, C-terminal telopeptide, 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D, creatinine, calcium, and phosphorus...
July 15, 2017: Bone
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/28719561/arterial-topographic-anatomy-near-the-femoral-head-neck-perforation-with-surgical-relevance
#8
Paulo Rego, Vasco Mascarenhas, Diego Collado, Ana Coelho, Luis Barbosa, Reinhold Ganz
BACKGROUND: Knowledge of the vascular supply of the femoral head is crucial for hip-preserving surgical procedures. The critical area for reshaping cam deformity is at the retinacular vessel penetration, an area with ill-defined topographic anatomy. We performed a cadaver study of the extension of the lateral retinaculum near the head-neck junction, distribution of the arterial vascular foramina, and initial intracapital course of these vessels. METHODS: In 16 fresh proximal parts of the femur without head-neck deformities, the deep branch of the medial femoral circumflex artery was injected with gadolinium for magnetic resonance imaging (MRI) sequences to identify arterial structures...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28717644/optimization-of-a-functionally-graded-material-stem-in-the-femoral-component-of-a-cemented-hip-arthroplasty-influence-of-dimensionality-of-fgm
#9
Abdellah Ait Moussa, Rohan Yadav
The longevity of hip prostheses is contingent on the stability of the implant within the cavity of the femur bone. The cemented fixation was mostly adopted owing to offering the immediate stability from cement-stem and cement-bone bonding interfaces after implant surgery. Yet cement damage and stress shielding of the bone were proven to adversely affect the lifelong stability of the implant, especially among younger subjects who tend to have an active lifestyle. The geometry and material distribution of the implant can be optimized more efficiently with a three-dimensional realistic design of a functionally graded material (FGM)...
2017: Journal of Medical Engineering
https://www.readbyqxmd.com/read/28712801/the-effect-of-pelvic-tilt-and-femoral-head-size-on-hip-range-of-motion-to-impingement
#10
Thomas F McCarthy, Jim Nevelos, Randa K Elmallah, Morad Chughtai, Anton Khlopas, Vincent Alipit, Timothy C Wagner, Michael A Mont
BACKGROUND: About 50%-70% of dislocators have cups placed within so-called "safe zones." It has been postulated that factors such as femoral head size and pelvic tilt, obliquity, or rotation may influence postoperative stability. Therefore, we assessed varying degrees of pelvic tilt and head sizes on the range of motion (ROM) to impingement. METHODS: A hip simulator was used to import models of 10 subjects who performed object pickup, squatting, and low-chair rising...
June 15, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28706440/reliability-of-an-integrated-ultrasound-and-stereophotogrammetric-system-for-lower-limb-anatomical-characterisation
#11
Frederick Greatrex, Erica Montefiori, Thomas Grupp, Josef Kozak, Claudia Mazzà
BACKGROUND: Lower extremity analysis for preoperative total knee and hip arthroplasty routines can increase surgery success rate and hence reduce associated costs. Current tools are limited by being invasive, limited to supine analysis, or too expensive. This study aimed to propose and validate a device, OrthoPilot®, based on the combined use of a stereophotogrammetric and ultrasound system which can in vivo and noninvasively measure varus/valgus, flexion/extension, femur and tibia torsion, and femur and tibia lengths...
2017: Applied Bionics and Biomechanics
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
#12
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/28704413/association-of-insulin-resistance-with-near-peak-bone-mass-in-the-femur-and-lumbar-spine-of-korean-adults-aged-25-35-the-korean-national-health-and-nutrition-examination-survey-2008-2010
#13
Min Soo Choo, Se Rin Choi, Jun Hyun Han, Seong Ho Lee, Young Suk Shim
OBJECTIVE: This study aimed to evaluate the relationship between insulin resistance and the bone mineral density (BMD) of femur and lumbar spine in Korean adults who are expected to exhibit near peak bone mass. METHODS: Data from the Korean National Health and Nutrition Examination Survey 2008-2010 were analyzed. A total of 2,750 participants aged 25-35 years were included. Insulin resistance was assessed using a homeostatic model assessment of insulin resistance (HOMA-IR) and serum fasting insulin...
2017: PloS One
https://www.readbyqxmd.com/read/28702399/bilateral-simultaneous-neck-femur-fracture-following-domestic-fall-in-an-elderly-patient-a-rare-case-report
#14
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/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
#15
https://www.readbyqxmd.com/read/28693882/bone-density-and-cross-sectional-geometry-of-the-proximal-femur-are-bilaterally-elevated-in-elite-cricket-fast-bowlers
#16
Matthew J Lees, Clive B Beggs, Matthew J Barlow, Zoe H Rutherford, Kunwar Bansil, Lisa Gannon, Karen Hind
The skeleton of a cricket fast bowler is exposed to a unique combination of gravitational and torsional loading in the form of substantial ground reaction forces delivered through the front landing foot, and anterior-posterior shear forces mediated by regional muscle contractions across the lumbo-pelvic region. The objectives of this study were to compare the hip structural characteristics of elite fast bowlers with recreationally active age-matched controls, and to examine unilateral bone properties in fast bowlers...
July 7, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28693543/finite-element-analysis-of-porously-punched-prosthetic-short-stem-virtually-designed-for-simulative-uncemented-hip-arthroplasty
#17
Matthew Jian-Qiao Peng, Hai-Yan Chen, Yong Hu, XiangYang Ju, Bo Bai
BACKGROUND: There is no universal hip implant suitably fills all femoral types, whether prostheses of porous short-stem suitable for Hip Arthroplasty is to be measured scientifically. METHODS: Ten specimens of femurs scanned by CT were input onto Mimics to rebuild 3D models; their *stl format dataset were imported into Geomagic-Studio for simulative osteotomy; the generated *.igs dataset were interacted by UG to fit solid models; the prosthesis were obtained by the same way from patients, and bored by punching bears designed by Pro-E virtually; cements between femora and prosthesis were extracted by deleting prosthesis; in HyperMesh, all compartments were assembled onto four artificial joint style as: (a) cemented long-stem prosthesis; (b) porous long-stem prosthesis; (c) cemented short-stem prosthesis; (d) porous short-stem prosthesis...
July 11, 2017: BMC Musculoskeletal Disorders
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/28688198/study-of-the-interactions-between-proximal-femur-3d-bone-shape-cartilage-health-and-biomechanics-in-patients-with-hip-osteoarthritis
#19
Valentina Pedoia, Michael A Samaan, Gaurav Inamdar, Matthew C Gallo, Richard B Souza, Sharmila Majumdar
In this study quantitative MRI and gait analysis were used to investigate the relationships between proximal femur 3D bone shape, cartilage morphology, cartilage biochemical composition, and joint biomechanics in subject with hip Osteoarthritis (OA). Eighty subjects underwent unilateral hip MR-imaging: T1ρ and T2 relaxation times were extracted through voxel based relaxometry and bone shape was assessed with 3D MRI-based statistical shape modeling. In addition, 3D gait analysis was performed in seventy-six of the studied subjects...
July 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28687244/positive-association-of-obesity-and-insulin-resistance-with-bone-mineral-density-in-tunisian-postmenopausal-women
#20
Rim Cherif, Feten Mahjoub, Hela Sahli, Elhem Cheour, Laurence Vico, Mohsen Sakly, Nebil Attia
The association of bone mineral density (BMD) with obesity and insulin resistance remains unclear. This study aimed to explore these associations in Tunisian menopausal women. Eighty-one postmenopausal women were recruited. Data were analyzed for obese (N = 57) and non-obese women (N = 24) and for insulin-resistant (N = 43) and non insulin-resistant women (N = 36). Anthropometric and biochemical parameters were recorded. BMD in different sites and body composition were measured using dual-energy X-ray absorptiometry...
July 4, 2017: Journal of Clinical Densitometry
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