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https://www.readbyqxmd.com/read/28642665/osteoporosis-in-brazilian-patients-awaiting-knee-arthroplasty
#1
David Sadigursky, Luiz Alberto Barretto, Diogo Maciel Vieira Lobão, Rogério Jamil Fernandes Carneiro, Paulo Oliveira Colavolpe
OBJECTIVE: The primary objective of this study was to determine the prevalence of osteoporosis and osteopenia prior to total knee arthroplasty (TKA) in female patients. As a secondary objective, we evaluated the incidence of hip fractures, types of drugs to treat osteoporosis and serum vitamin D levels. METHOD: This is a transversal, descriptive and observational study which evaluated 60 women above age 55 prior to total knee replacement. RESULTS: Mean patient age was 71...
May 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642661/customized-guide-for-femoral-component-positioning-in-hip-resurfacing-arthroplasty
#2
Chaturong Pornrattanamaneewong, Rapeepat Narkbunnam, Keerati Chareancholvanich
OBJECTIVE: To prove the accuracy of a customized guide developed according to our method. METHODS: This customized guide was developed from a three-dimensional model of proximal femur reconstructed using computed tomography data. Based on the new technique, the position of the guide pin insertion was selected and adjusted using the reference of the anatomical femoral neck axis. The customized guide consists of a hemispheric covering designed to fit the posterior part of the femoral neck...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28641194/use-of-a-long-distally-fixed-intramedullary-stem-to-treat-a-periprosthetic-femoral-fracture-following-total-hip-arthroplasty-using-a-thrust-plate-hip-prosthesis-a-case-report
#3
Hiroyuki Hatanaka, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Yusuke Kubo, Takeshi Utsunomiya, Takuaki Yamamoto, Yasuharu Nakashima
INTRODUCTION: The thrust plate hip prosthesis (TPP; Zimmer, Winterthur, Switzerland) is a hip prosthesis that is no longer in production. Few reports have focused on periprosthetic fractures following total hip arthroplasty (THA) with the use of a TPP. PRESENTATION OF CASE: We report a 57-year-old woman with a periprosthetic femoral fracture 13 years after THA with the use of a TPP. A plain radiograph showed a displaced subtrochanteric fracture of the right femur just below the distal tip of the lateral plate without implant loosening...
June 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28639152/influence-of-muscle-groups-activation-on-proximal-femoral-growth-tendency
#4
Priti Yadav, Sandra J Shefelbine, Eva Pontén, Elena M Gutierrez-Farewik
Muscle and joint contact force influence stresses at the proximal growth plate of the femur and thus bone growth, affecting the neck shaft angle (NSA) and femoral anteversion (FA). This study aims to illustrate how different muscle groups' activation during gait affects NSA and FA development in able-bodied children. Subject-specific femur models were developed for three able-bodied children (ages 6, 7, and 11 years) using magnetic resonance images. Contributions of different muscle groups-hip flexors, hip extensors, hip adductors, hip abductors, and knee extensors-to overall hip contact force were computed...
June 22, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28634785/-imaging-and-preoperative-planning-for-osteotomies-around-the-knee
#5
REVIEW
D Pape, A Hoffmann, R Seil
Physiologic alignment of the human lower leg is well defined. The etiology for malalignment comprises constitutional, degenerative and posttraumatic conditions. Osteotomies around the knee can correct the malalignment, provided that the origin of deviation is in proximity of the knee center. Crucial factors for the evaluation of axis deviation are the weight-bearing line, the mechanical axes of femur and tibia, the joint line angles and the center of the hip, knee and upper ankle joint. Careful preoperative planning is mandatory for reproducible clinical results...
June 20, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28630841/bipolar-hemiarthroplasty-in-a-patient-with-above-knee-amputation-surgical-technique
#6
Ramesh Perumal, Santhosh Ram Gaddam, J Vasudeva, J Dheenadhayalan, S Rajasekaran
INTRODUCTION: Femoral neck fractures are a common occurrence in lower limb amputees. Good post-operative results of hip hemiarthroplasty have been described in below-knee amputees. However, to our knowledge, very few such cases have been reported in above-knee amputees. CASE REPORT: We present a case of a 75-year-old male patient who underwent above-knee amputation of the right lower limb for severe crush injury right leg and a bipolar hemiarthroplasty for an ipsilateral fracture neck of femur sustained in the same road traffic accident...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630736/abnormal-femoral-antetorsion-a-subtrochanteric-deformity
#7
Guy Waisbrod, Florian Schiebel, Martin Beck
Femoral rotational malalignment is associated with pain and functional disability and may be a contributing factor to hip impingement as well as to instability. In general, the deformity can be addressed surgically by rotational osteotomy. However, the anatomic location of the deformity is debated. The goal of the present study was to narrow down the anatomic site of deformity using the lesser trochanter (LT) as an additional landmark. One hundred and eight patients underwent computer tomography (CT)-based rotational analysis of their lower extremities...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28624711/does-the-powers%C3%A2-strap-influence-the-lower-limb-biomechanics-during-running
#8
Henrike Greuel, Lee Herrington, Anmin Liu, Richard K Jones
Previous research has reported a prevalence of running related injuries in 25.9% to 72% of all runners. A greater hip internal rotation and adduction during the stance phase in running has been associated with many running related injuries, such as patellofemoral pain. Researchers in the USA designed a treatment device 'the Powers™ strap' to facilitate an external rotation of the femur and to thereby control abnormal hip and knee motion during leisure and sport activities. However, to date no literature exists to demonstrate whether the Powers™ strap is able to reduce hip internal rotation during running...
June 3, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28613988/cost-effectiveness-of-virtual-bone-strength-testing-in-osteoporosis-screening-programs-for-postmenopausal-women-in-the-united-states
#9
Christoph A Agten, Austin J Ramme, Stella Kang, Stephen Honig, Gregory Chang
Purpose To investigate whether assessment of bone strength with quantitative computed tomography (CT) in combination with dual-energy x-ray absorptiometry (DXA) is cost-effective as a screening tool for osteoporosis in postmenopausal women. Materials and Methods A state-transition microsimulation model of osteoporosis for postmenopausal women aged 55 years or older was developed with a lifetime horizon and U.S. societal perspective. All model inputs were derived from published literature. Three strategies were compared: no screening, DXA with T score-dependent rescreening intervals, and a combination of DXA and quantitative CT with different intervals (3, 5, and 10 years) at different screening initiation ages (55-65 years)...
June 14, 2017: Radiology
https://www.readbyqxmd.com/read/28612307/atypical-subtrochanteric-fractures-in-korean-hip-fracture-study
#10
Y-K Lee, T-Y Kim, Y-C Ha, S-H Song, J W Kim, H C Shon, J S Chang, K-H Koo
In Korean, atypical subtrochanteric fractures (ASF) were rare. Higher BMI and use of bisphosphonate were significant risk factors of ASF. INTRODUCTION: Recently, ASF have been reported to increase among patients on bisphosphonate. However, the incidence of ASF and the association between ASF and bisphosphonate use have not been well defined in Asian population. Our purposes are (1) to estimate the proportion of ASF among Korean patients with proximal femur fracture and (2) to determine the associated risk factors of ASF in the Korean patients...
June 14, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28611966/periprostetic-joint-infection-caused-by-salmonella-case-reports-of-two-azathioprine-and-prednisolone-induced-immunocompromised-patients
#11
Mehmet Ekinci, Serkan Bayram, Turgut Akgül, Mehmet Ersin, Önder Yazicioğlu
Periprosthetic joint infection (PJI) due to Salmonella is rare. It frequently occurs patients receiving immunosuppressive medicine. We describe two periprosthetic Salmonella infection of two immunocompromised patients. Both of patients were receiving azathioprine and prednisolone therapy. First patient presented six years after total hip arthroplasty with a huge abscess on her right thigh that was reached to femoral component through the lytic area of lateral femur. Second patient presented with drainage from his hip and he had undergone two-step revision surgery for PJI 3 months ago...
June 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28611961/radiographic-outcomes-of-osteosynthesis-using-proximal-femoral-nail-antirotation-pfna-system-in-intertrochanteric-femoral-fracture-has-pfna-ii-solved-all-the-problems
#12
Won Chul Shin, Jung Dong Seo, Sang Min Lee, Nam Hoon Moon, Jung Sub Lee, Kuen Tak Suh
PURPOSE: We evaluated the geometric discrepancies between the proximal femur in Koreans and two types of proximal femoral nail using plain radiographs. MATERIALS AND METHODS: A total of 100 consecutive patients (38 treated with proximal femoral nail antirotation [PFNA], 62 PFNA II) with intertrochanteric fracture were retrospectively identified. The minimum follow up period was 32 months. The geometric analysis of the proximal femur was performed using preoperative true hip antero-posterior radiographs of the unaffected side, and the data were compared with the PFNA and PFNA II dimensions...
June 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28611110/the-liftmor-m-lifting-intervention-for-training-muscle-and-osteoporosis-rehabilitation-for-men-trial-protocol-for-a-semirandomised-controlled-trial-of-supervised-targeted-exercise-to-reduce-risk-of-osteoporotic-fracture-in-older-men-with-low-bone-mass
#13
Amy T Harding, Benjamin K Weeks, Steven L Watson, Belinda R Beck
INTRODUCTION: The primary aim of the proposed study is to examine the efficacy of an 8-month supervised, high-intensity progressive resistance training and impact loading programme in comparison with a supervised machine-based isometric exercise training programme using the bioDensity system in older men with low bone mass. We will also determine the safety and acceptability of each exercise training mode. Intervention group responses will be compared with those of a self-selected, non-randomised control sample of sex-matched and age-matched men who will follow their usual lifestyle activities for 8 months...
June 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/28602530/prospective-randomized-surgeon-blinded-comparison-of-standard-magnification-assumption-vs-magnification-marker-usage-for-preoperative-templating-in-total-hip-arthroplasty
#14
Michael J Archibeck, Krishna R Tripuraneni, Joshua T Carothers, Daniel W Junick, Natalie R Munson, Cristina M Murray-Krezan
BACKGROUND: We undertook this prospective, randomized, surgeon-blinded study to compare the accuracy of using of a magnification marker on preoperative radiographs for templating vs using a standard 21% magnification. METHODS: One hundred consecutive total hip arthroplasties were randomized to preoperative templating using a 25-mm magnification marker (50 patients) or a standard 21% magnification (50 patients). Intraoperative data were collected regarding the actual and predicted size of the femoral and acetabular components...
May 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28601949/autosomal-dominant-brachyolmia-transient-metaphyseal-striations
#15
Yun-Jung Lim, Hye-Ran Lee, Ok-Hwa Kim, Tae-Joon Cho, Kun-Bo Park
We report transient proximal and distal femoral metaphyseal striations that have not previously been described in autosomal dominant brachyolmia. The pelvis/hip radiograph of a 13-year-old boy demonstrated bilaterally symmetrical proximal femoral metaphyseal vertical striations. Additional vertical striations were also observed at the distal femur and proximal tibia metaphysis. Radiography of the thoracolumbar spine demonstrated platyspondyly with irregular endplates and overfaced pedicles. TRPV4 mutations were confirmed in this patient...
June 10, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28599634/the-mayo-conservative-hip-complication-analysis-and-management-of-the-first-41-cases-performed-at-a-university-level-1-department
#16
Jörg Arnholdt, Fabian Gilbert, Marc Blank, Jannis Papazoglou, Maximilian Rudert, Ulrich Nöth, Andre F Steinert
BACKGROUND: To prevent bone loss in hip arthroplasty, several short stem systems have been developed, including the Mayo conservative hip system. While there is a plethora of data confirming inherent advantages of these systems, only little is known about potential complications, especially when surgeons start to use these systems. METHODS: In this study, we present a retrospective analysis of the patients' outcome, complications and the complication management of the first 41 Mayo conservative hips performed in 37 patients...
June 9, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28595831/-charcot-marie-tooth-disease-associated-with-hip-dysplasia-in-an-adolescent
#17
T Langlais, J-C Leonard, C Ursu, C Morin
Charcot-Marie-Tooth disease (CMT) is classified into hereditary motor and sensory neuropathy and can induce severe neuro-orthopaedics deformities, disabling at an early age. Hip dysplasia is present in 6% of CMT patients affecting preferentially CMT1 patients and can appear from the age of 8 years. The pathophysiological is paradoxical because we are confronted with proximal osteoarthritis deformations but genetics research brings use new trail. The main functional complaint is a hip joint pain during walking...
June 5, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28593087/a-dynamic-valgus-index-that-combines-hip-and-knee-angles-assessment-of-utility-in-females-with-patellofemoral-pain
#18
Sara A Scholtes, Gretchen B Salsich
BACKGROUND: Two=dimensional motion analysis of lower=extremity movement typically focuses on the knee frontal plane projection angle, which considers the position of the femur and the tibia. A measure that includes the pelvis may provide a more comprehensive and accurate indicator of lower=extremity movement. Hypothesis/Purpose: The purpose of the study was to describe the utility of a two=dimensional dynamic valgus index (DVI) in females with patellofemoral pain. The hypothesis was that the DVI would be more reliable and valid than the knee frontal plane projection angle, be greater in females with patellofemoral pain during a single=limb squat than in females without patellofemoral pain, and decrease in females with patellofemoral pain following instruction...
June 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28591963/-extensively-porous-coated-distal-fixation-long-stem-prosthesis-for-unstable-proximal-femur-fracture-with-complex-hip-disease
#19
Song Hong, Jia-Sheng Lin, Yong Zhou, Chang Zou, Wen-Li Zhang, Hong Duan, Chong-Qi Tu
OBJECTIVES: To evaluate the clinical results of femoral proximal fracture with complex hip diseases using an uncemented extensively porous-coated long femoral stems. METHODS: 15 cases of femoral proximal fracture with complex hip diseases treated with the uncemented extensively porous-coated long femoral stem were retrospectively reviewed. All patients were followed up at 1, 3, 6, 12 months in the first year postoperatively and once a year from the second year on...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28589052/safe-and-effective-reduction-technique-for-intertrochanteric-fracture-with-ipsilateral-below-knee-amputated-limb
#20
Hironori Ochi, Tomonori Baba, Takahiro Hamanaka, Yu Ozaki, Taiji Watari, Yasuhiro Homma, Mikio Matsumoto, Kazuo Kaneko
The positioning of the patient on the fracture table is critical for the successful reduction and operative fixation of intertrochanteric hip fractures. However, this manipulation is challenging with patients who have undergone amputations of their legs. A 97-year-old man presented to the emergency department with symptom of right hip pain following a mechanical fall. He had a below-knee amputation on his right leg following a traffic accident as a 19-year-old and had a below-knee patellar tendon bearing prosthesis fitted to his lower limb for mobility...
2017: Case Reports in Orthopedics
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