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https://www.readbyqxmd.com/read/28442297/vertebral-and-femoral-bone-mineral-density-and-bone-strength-in-prostate-cancer-patients-assessed-in-phantomless-pet-ct-examinations
#1
Benedikt J Schwaiger, David L Kopperdahl, Lorenzo Nardo, Luca Facchetti, Alexandra S Gersing, Jan Neumann, Kwang J Lee, Tony M Keaveny, Thomas M Link
PURPOSE: Bone fracture risk assessed ancillary to positron emission tomography with computed tomography co-registration (PET/CT) could provide substantial clinical value to oncology patients with elevated fracture risk without introducing additional radiation dose. The purpose of our study was to investigate the feasibility of obtaining valid measurements of bone mineral density (BMD) and finite element analysis-derived bone strength of the hip and spine using PET/CT examinations of prostate cancer patients by comparing against values obtained using routine multidetector-row computed tomography (MDCT) scans-as validated in previous studies-as a reference standard...
April 22, 2017: Bone
https://www.readbyqxmd.com/read/28438455/lesser-trochanter-size-on-plain-anteroposterior-radiographs-correlates-with-native-femoral-anteversion
#2
Michael C Worlicek, Michael L Wörner, Benjamin S Craiovan, Florian Zeman, Joachim Grifka, Tobias F Renkawitz, Markus Weber
BACKGROUND: Assessing femoral version in orthopedic surgery is important for preoperative planning of total hip arthroplasty, especially for recognizing excessive anteversion or retroversion. The present study addressed the following: (1) Is the position of the lesser trochanter correlated to the femoral neck axis? (2) If so, may femoral version be assessed by means of plain pelvic radiographs? METHODS: Three-dimensional computed tomography scans of 60 patients undergoing minimally invasive cement-free total hip arthroplasty were retrospectively analyzed, particularly with regard to the relation between the femoral neck axis and the lesser trochanter, the femoral version, and the size of the projected lesser trochanter in different rotational positions...
April 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28438453/effect-of-bundled-payments-and-health-care-reform-as-alternative-payment-models-in-total-joint-arthroplasty-a-clinical-review
#3
REVIEW
Ahmed Siddiqi, Peter B White, Jaydev B Mistry, Chukwuweike U Gwam, James Nace, Michael A Mont, Ronald E Delanois
BACKGROUND: In an effort to control rising healthcare costs, healthcare reforms have developed initiatives to evaluate the efficacy of alternative payment models (APMs) for Medicare reimbursements. The Center for Medicare and Medicaid Services Innovation Center (CMMSIC) introduced the voluntary Bundled Payments for Care Improvement (BPCI) model experiment as a means to curtail Medicare cost by allotting a fixed payment for an episode of care. The purpose of this review is to (1) summarize the preliminary clinical results of the BPCI and (2) discuss how it has led to other healthcare reforms and alternative payment models...
March 20, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28438150/intermittent-parathyroid-hormone-improve-bone-microarchitecture-of-the-mandible-and-femoral-head-in-ovariectomized-rats
#4
Ying-Ju Chen, Shun-Ping Wang, Fu-Chou Cheng, Pei-Yu Hsu, Yu-Fen Li, Jay Wu, Heng-Li Huang, Ming-Tzu Tsai, Jui-Ting Hsu
BACKGROUND: Intermittent parathyroid hormone (PTH) can be used to treat osteoporosis of the spine and hip. However, whether it can be used to treat osteoporosis of the mandible is unclear. The purpose of this study was to explore the influence of applying intermittent PTH to ovariectomized rats on the trabecular bone microarchitecture of the mandible and femoral head. METHODS: Eighteen female rats were divided into three groups: the healthy group, ovariectomized (OVX) group, and OVX + PTH group...
April 24, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28437506/treatment-of-unstable-trochanteric-femur-fractures-proximal-femur-nail-versus-proximal-femur-locking-compression-plate
#5
Ashutosh Kumar Singh, Nidi Narsaria, Arun G R, Vivek Srivastava
Unstable trochanteric femur fractures are common fractures that are difficult to manage. We conducted a prospective study to compare functional outcomes and complications of 2 different implant designs, proximal femur nail (PFN) and proximal femur locking compression plate (PFLCP), used in internal fixation of unstable trochanteric femur fractures. On hospital admission, 48 patients with unstable trochanteric fractures were randomly assigned (using a sealed envelope method) to treatment with either PFN (24 patients) or PFLCP (24 patients)...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28435566/functional-outcome-of-bipolar-prosthesis-versus-total-hip-replacement-in-the-treatment-of-femoral-neck-fracture-in-elderly-patients
#6
R Shukla, M Singh, R K Jain, P Mahajan, R Kumar
INTRODUCTION: The present study was performed to compare cemented total hip replacement (THR) with cemented bipolar prosthesis in the treatment of displaced fracture neck of femur in elderly patients. MATERIALS AND METHODS: This prospective study included 47 patients of greater than 60 years of age and having fracture of neck of femur, out of which 25 patients were managed by cemented bipolar prosthesis and remaining 22 were managed by cemented THR between June 2011 and June 2013...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28434011/management-of-coxa-vara-septica-and-pseudoarthrosis-of-the-femoral-neck-a-case-report
#7
Hasime Qorraj Bytyqi, Cen Bytyqi
BACKGROUND Coxa vara and pseudoarthrosis of the femoral neck after septic hip arthritis is a very rare disease. The aim of this study was to present a case with pseudoarthrosis of the femoral neck, with coxa vara after neonatal septic arthritis of the right hip, and treatment of the pseudarthrosis with proximal femoral valgus osteotomy. CASE REPORT A 12-month-old female, who had suffered neonatal septic arthritis with a five-day history of fever and painful right hip now demonstrated painless limping to the right hip, pelvic obliquity, Trendelenburg-Duchenne gait, limitation of hip abduction, lower-extremity length discrepancy with 3...
April 23, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28433450/a-retrospective-cohort-study-of-concomitant-ipsilateral-extra-capsular-and-intra-capsular-fractures-of-the-proximal-femur-are-they-casual-findings-or-an-undervalued-reality
#8
Miquel Videla-Cés, José-Miguel Sales-Pérez, Joan Girós-Torres, Rubén Sánchez-Navés, Sebastián Videla
BACKGROUND: Fractures of the proximal femur constitute a major public health problem, with an annual incidence in Spain of 7.6 cases per 1000 inhabitants over 65 years of age. Hip fractures are frequent in elderly patients, related to osteoporosis and with low energy trauma, which means that they can be considered a geriatric syndrome. Simultaneous ipsilateral extra- and intra-articular hip fractures are considered as very rare are, and generally speaking, classified as extra- or intra-capsular fractures...
April 13, 2017: Injury
https://www.readbyqxmd.com/read/28421126/femoral-neck-strain-during-maximal-contraction-of-isolated-hip-spanning-muscle-groups
#9
Saulo Martelli
The aim of the study was to investigate femoral neck strain during maximal isometric contraction of the hip-spanning muscles. The musculoskeletal and the femur finite-element models from an elderly white woman were taken from earlier studies. The hip-spanning muscles were grouped by function in six hip-spanning muscle groups. The peak hip and knee moments in the model were matched to corresponding published measurements of the hip and knee moments during maximal isometric exercises about the hip and the knee in elderly participants...
2017: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/28419886/total-hip-arthroplasty-for-patients-with-crowe-type-iv-developmental-dysplasia-of-the-hip-ten-years-results
#10
Wei-Nan Zeng, Jun-Li Liu, Fu-You Wang, Xin Zhang, Hua-Quan Fan, Guang-Xing Chen, Lin Guo, Xiao-Jun Duan, Qiang Zhou, Liu Yang
BACKGROUND AND OBJECTIVES: The aim of this study was to determine the rate of union, functional results and complications in patients with Crowe IV developmental dysplasia of the hip (DDH) who underwent cementless total hip arthroplasty (THA) with S-ROM prostheses and subtrochanteric transverse shortening osteotomy. METHODS: Forty-five patients (52 hips) operated between January 2005 and May 2008, with a mean age of 40.6 years at surgery were followed. The mean follow-up period was 9...
April 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28415025/unusual-combination-of-femoral-head-dislocation-associated-acetabular-fracture-with-multipart-femoral-fractures-case-report
#11
Erdal Uzun, Ali Eray Günay, İbrahim Karaman, Abdülhamit Mısır, Turan Bilge Kızkapan, Mustafa Özçamdallı
INTRODUCTION: Traumatic hip dislocation associated with femur intertrocanteric fracture is a rare and severe injury and it frequently occurs following a high energy trauma, Associated acetabular fractures with this injury are even more rare and potentially cause devastating consequences including avascular necrosis of the femoral head and subsequent early secondary osteoarthritis of the hip joint. PRESENTATION OF CASE: In this case report, we present a 20year old polytraumatized patient with traumatic hip dislocation associated with ipsilateral acetabulum fracture and simultaneous fractures of the ipsilateral femur...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28410835/modified-extended-trochanteric-osteotomy-for-the-treatment-of-vancouver-b2-b3-periprosthetic-fractures-of-the-femur
#12
Andreas Ladurner, Pia Zurmühle, Vilijam Zdravkovic, Karl Grob
BACKGROUND: Femoral component revision is the treatment of choice for Vancouver type B2/B3 periprosthetic femur fractures (PFFs). The purpose of this study was to report the clinical outcome of revision total hip arthroplasty with the use of a modified extended trochanteric osteotomy (ETO) in PFF treatment. METHODS: A total of 43 cases between 2000 and 2014 were analyzed. Clinical and radiographic evaluation was performed with a mean follow-up of 40 months. Patient survival after revision surgery, complications, radiographic outcomes, and quality of life and hip function were assessed...
March 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28410753/retrospective-review-of-patients-with-atypical-bisphosphonate-related-proximal-femoral-fractures
#13
H K Phillips, S J Harrison, H Akrawi, S A Sidhom
INTRODUCTION: Patients may be at an increased risk of atypical proximal femoral fractures with prolonged bisphosphonate use. PATIENTS AND METHODS: This was a retrospective review of patients who sustained a subtrochanteric fracture of the femur in our department between April 2009 and March 2014. The radiographs were reviewed for features of atypical femoral fractures as described by the American Society of Bone Mineral Research. RESULTS: 185 patients were coded according to the National Hip Fracture Database as having sustained a subtrochanteric fracture of the femur...
April 4, 2017: Injury
https://www.readbyqxmd.com/read/28410697/multifocal-pure-tubercular-osteomyelitis-an-unusual-presentation-in-childhood
#14
Sananda Pati, Sangita De, Tarak Nath Ghosh, Mrinal Kanti Ghosh
Tuberculosis is a major health problem in the developing world. One-third of children infected with Mycobacterium tuberculosis have extra pulmonary involvement. Skeletal tuberculosis occurs in 1-6% of them with vertebra being the commonest site. Pure tubercular osteomyelitis without joint involvement occurs in only 2-3% cases of osteoarticular tuberculosis. Common sites are femur, tibia, and fibula. Disseminated skeletal involvement is very rare in children (7%) and calvarial osteomyelitis is even rarer (1%)...
April 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28407298/spatial-differences-in-the-distribution-of-bone-between-femoral-neck-and-trochanteric-fractures
#15
Aihong Yu, Julio Carballido-Gamio, Ling Wang, Thomas F Lang, Yongbin Su, Xinbao Wu, Manyi Wang, Jie Wei, Chen Yi, Xiaoguang Cheng
There is little knowledge about the spatial distribution differences in volumetric bone mineral density and cortical bone structure at the proximal femur between femoral neck fractures and trochanteric fractures. In this case-control study, a total of 93 women with fragility hip fractures, 72 with femoral neck fractures (mean ± SD age: 70.6 ± 12.7 years) and 21 with trochanteric fractures (75.6 ± 9.3 years), and 50 control subjects (63.7 ± 7.0 years) were included for the comparisons. Differences in the spatial distributions of volumetric bone mineral density, cortical bone thickness, cortical volumetric bone mineral density and volumetric bone mineral density in a layer adjacent to the endosteal surface were investigated using voxel-based morphometry (VBM) and surface-based statistical parametric mapping (SPM)...
April 13, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28406571/hominin-hip-biomechanics-changing-perspectives
#16
Anna G Warrener
The shape of the human pelvis reflects the unique demands placed on the hip abductor muscles (gluteus medius and gluteus minimus), which stabilize the body in the frontal plane during bipedal locomotion. This morphological shift occurred early in hominin evolution, yet important shape differences between hominin species have led to significant disagreement about abductor function and locomotor capability in these extinct taxa. A static biomechanical model that relies on a close association between skeletal measurements of the pelvis and femur has traditionally been used to reconstruct hip biomechanics in these species...
May 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28405035/safety-and-efficacy-of-transdermal-buprenorphine-versus-oral-tramadol-for-the-treatment-of-post-operative-pain-following-surgery-for-fracture-neck-of-femur-a-prospective-randomised-clinical-study
#17
Sameer N Desai, Santhoshi V Badiger, Shreesha B Tokur, Prashanth A Naik
BACKGROUND: Transdermal buprenorphine, which is used in chronic pain management, has rarely been studied for use in acute pain management. The aim of this study was to compare the safety and efficacy of transdermal buprenorphine patch to oral tramadol for post-operative analgesia, following proximal femur surgeries. METHODOLOGY: Fifty adult patients undergoing surgery for hip fracture under spinal anaesthesia were included in this study. One group (Group TDB) received transdermal buprenorphine 10 mcg/h patch applied a day before the surgery and other group received oral tramadol 50 mg three times a day for analgesia (Group OT)...
March 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28400660/anthropometric-analysis-of-the-hip-joint-in-south-indian-population-using-computed-tomography
#18
Vetrivel Chezian Sengodan, Elangovan Sinmayanantham, J Saravana Kumar
BACKGROUND: Proximal femur has a significant functional modification on erect bipedal posture. Various proximal femoral parameters were analyzed in Western literature. This information was utilized in prosthetic designing. Implants designed for Western people are used in Indian patients undergoing hip surgeries such as internal fixation and replacement arthroplasty. MATERIALS AND METHODS: The study was done among 200 individuals (400 hips) with a normal hip joint after ethical committee clearance...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28395419/-individual-difference-of-coronal-bowing-of-femur-and-its-influence-on-the-lower-limbs-alignment-after-the-total-knee-arthroplasty
#19
W Wu, W S Guo, L M Cheng, Z H Liu, Q D Zhang, N F Zhang
Objective: To disclose the correlation between the femur bowing angle(FBA) and vulgas correction angle(VCA), anlysys its influence on the total knee arthroplasty and the lower limbs alignment. Methods: From Janurary 2013 to December 2015, 699 patients who had received total knee arthroplasty(TKA)were collected in the Department of Joint Surgery, China-Japan Friendship. The FBA, VCA, offset of the proximal femur, the lengh of the femur, the neck shaft angle of the femur of the eligible cases from the long leg X-ray were measured...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28395388/results-of-a-modular-femoral-revision-system-before-and-after-taper-roller-hardening-in-total-hip-arthroplasty
#20
Dean J Marshall, Keith R Berend, Michael J Morris, Joanne B Adams, Adolph V Lombardi
INTRODUCTION: Modular component options can aid in addressing complex femoral reconstructions in total hip arthroplasty (THA) by allowing for customization of version control and proximal to distal sizing. However, component breakage at the modular junction has occurred, particularly in the presence of poor bone stock. A taper roller hardening (RH) process was developed to strengthen the modular junction to reduce breakage. The purpose of this study is to review THA patients before and after taper roller hardening to compare stem survival and frequency of breakage...
April 11, 2017: Surgical Technology International
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