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https://www.readbyqxmd.com/read/28073094/the-role-of-lesser-trochanter-fragment-in-unstable-pertrochanteric-a2-proximal-femur-fractures-is-refixation-of-the-lesser-trochanter-worth-the-effort
#1
Christian Ehrnthaller, Alain Christoph Olivier, Florian Gebhard, Lutz Dürselen
BACKGROUND: Instability of osteoporotic pertrochanteric fractures is defined by loss of medial/lateral cortical integrity with the posteromedial fragment including the lesser trochanter being pivotal for load distribution. Literature addressing the importance of lesser trochanter refixation is scarce. To clarify the effect of lesser trochanter refixation on primary stability in these fractures, following study was performed. METHODS: 21 femora were match-paired in 3 groups and osteotomized, creating pertrochanteric fractures (AO-31A2)...
December 30, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/28071874/medicare-program-advancing-care-coordination-through-episode-payment-models-epms-cardiac-rehabilitation-incentive-payment-model-and-changes-to-the-comprehensive-care-for-joint-replacement-model-cjr-final-rule
#2
(no author information available yet)
This final rule implements three new Medicare Parts A and B episode payment models, a Cardiac Rehabilitation (CR) Incentive Payment model and modifications to the existing Comprehensive Care for Joint Replacement model under section 1115A of the Social Security Act. Acute care hospitals in certain selected geographic areas will participate in retrospective episode payment models targeting care for Medicare fee-forservice beneficiaries receiving services during acute myocardial infarction, coronary artery bypass graft, and surgical hip/femur fracture treatment episodes...
3, 2017: Federal Register
https://www.readbyqxmd.com/read/28071822/responses-to-treatment-with-teriparatide-in-patients-with-atypical-femur-fractures-previously-treated-with-bisphosphonates
#3
Nelson B Watts, Deborah Aggers, Edward F McCarthy, Tina Savage, Stephanie Martinez, Rachel Patterson, Erin Carrithers, Paul D Miller
If over-suppression of bone turnover explained the association between bisphosphonate use and atypical subtrochanteric femur fractures (AFF), this could be reversed with anabolic treatment such as teriparatide. We conducted a prospective, open label study in patients previously treated with bisphosphonates who sustained AFF, examining the response to 24 months treatment with teriparatide on bone mineral density (BMD), trabecular bone score (TBS), bone turnover markers (BTM) and fracture healing as well as quantitative histomorphometry...
January 10, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28061849/do-size-shape-and-alignment-parameters-of-the-femoral-condyle-affect-the-trochlear-groove-tracking-a-morphometric-study-based-on-3d-computed-tomography-models-in-chinese-people
#4
Zhe Du, Shichang Chen, Mengning Yan, Bing Yue, Yiming Zeng, You Wang
BACKGROUND: Our study aimed to investigate whether geometrical features (size, shape, or alignment parameters) of the femoral condyle affect the morphology of the trochlear groove. METHODS: Computed tomography models of 195 femurs (97 and 98 knees from male and female subjects, respectively) were reconstructed into three-dimensional models and categorised into four types of trochlear groove morphology based on the position of the turning point in relation to the mechanical axis (types 45°, 60°, 75°, and 90°)...
January 6, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28056711/optimization-of-custom-cementless-stem-using-finite-element-analysis-and-elastic-modulus-distribution-for-reducing-stress-shielding-effect
#5
Gurunathan Saravana Kumar, Subin Philip George
This work proposes a methodology involving stiffness optimization for subject-specific cementless hip implant design based on finite element analysis for reducing stress-shielding effect. To assess the change in the stress-strain state of the femur and the resulting stress-shielding effect due to insertion of the implant, a finite element analysis of the resected femur with implant assembly is carried out for a clinically relevant loading condition. Selecting the von Mises stress as the criterion for discriminating regions for elastic modulus difference, a stiffness minimization method was employed by varying the elastic modulus distribution in custom implant stem...
January 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28053824/low-normal-tsh-levels-are-associated-with-impaired-bmd-and-hip-geometry-in-the-elderly
#6
Su Jin Lee, Kyoung Min Kim, Eun Young Lee, Mi Kyung Song, Dae Ryong Kang, Hyeon Chang Kim, Yoosik Youm, Young Mi Yun, Hyun-Young Park, Chang Oh Kim, Yumie Rhee
Subclinical hyperthyroidism is known to be associated with the risk of fractures in elderly people. However, there are few studies assessing whether low normal thyroid-stimulating hormone (TSH) levels affect bone density and geometry. Here, we aimed to assess the influence of the TSH level on bone mineral density (BMD) and geometry in elderly euthyroid subjects. This was a cross-sectional cohort study. A total of 343 men and 674 women with euthyroidism were included and analyzed separately. The subjects were divided into tertiles based on the serum TSH level...
December 2016: Aging and Disease
https://www.readbyqxmd.com/read/28053268/implant-options-for-the-treatment-of-intertrochanteric-fractures-of-the-hip-rationale-evidence-and-recommendations
#7
A R Socci, N E Casemyr, M P Leslie, M R Baumgaertner
AIMS: The aim of this paper is to review the evidence relating to the anatomy of the proximal femur, the geometry of the fracture and the characteristics of implants and methods of fixation of intertrochanteric fractures of the hip. MATERIALS AND METHODS: Relevant papers were identified from appropriate clinical databases and a narrative review was undertaken. RESULTS: Stable, unstable, and subtrochanteric intertrochanteric fractures vary widely in their anatomical and biomechanical characteristics, as do the implants used for their fixation...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28050531/femoroacetabular-impingement
#8
REVIEW
José Batista Volpon
The femoroacetabular impingement (FAI) is as condition recently characterized that results from the abnormal anatomic and functional relation between the proximal femur and the acetabular border, associated with repetitive movements, which lead labrum and acetabular cartilage injuries. Such alterations result from anatomical variations such as acetabular retroversion or decrease of the femoroacetabular offset. In addition, FAI may result from acquired conditions as malunited femoral neck fractures, or retroverted acetabulum after pelvic osteotomies...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28049234/chronic-kidney-disease-mineral-bone-disorder-in-korean-patients-a-report-from-the-korean-cohort-study-for-outcomes-in-patients-with-chronic-kidney-disease-know-ckd
#9
Chang Seong Kim, Eun Hui Bae, Seong Kwon Ma, Seung Hyeok Han, Kyu Beck Lee, Joongyub Lee, Kook Hwan Oh, Dong Wan Chae, Soo Wan Kim
This study examined the characteristics of biochemical parameters, bone diseases, and vascular calcification in Korean patients with chronic kidney disease (CKD) not yet on dialysis. Serum levels of fibroblast growth factor 23 (FGF23), intact parathyroid hormone (iPTH), 25-hydroxyvitamin D3 (25D), and 1,25-dihydroxyvitamin D3 (1,25D); lumbar spine, total hip, and femur neck bone mineral densities; and brachial-to-ankle pulse wave velocity (baPWV) representing vascular calcification were measured at baseline for 2,238 CKD patients in the KoreaN Cohort Study for Outcomes in Patients With CKD (KNOW-CKD)...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28045945/greater-intake-of-fruit-and-vegetables-is-associated-with-greater-bone-mineral-density-and-lower-osteoporosis-risk-in-middle-aged-and-elderly-adults
#10
Rui Qiu, Wen-Ting Cao, Hui-Yuan Tian, Juan He, Geng-Dong Chen, Yu-Ming Chen
OBJECTIVE: A few studies have suggested that the consumption of fruit and vegetables (FV) may benefit bone health, but limited data are available in Asian subjects. We examined the association between FV intake and bone mineral density (BMD) and osteoporosis in Chinese adults. METHODS: This population-based cross-sectional study involved 2083 women and 1006 men aged 40-75 years in Guangzhou, China. Habitual dietary data was collected from a 79-item food frequency questionnaire by face-to-face interviews...
2017: PloS One
https://www.readbyqxmd.com/read/28043896/marrow-adipose-tissue-composition-in-adults-with-morbid-obesity
#11
Elaine W Yu, Logan Greenblatt, Alireza Eajazi, Martin Torriani, Miriam A Bredella
Patients with type 2 diabetes mellitus (T2DM) have increased fracture risk despite normal or increased bone mineral density (BMD). Elevations in marrow adipose tissue (MAT) and declines in MAT unsaturation are both associated with increased skeletal fragility. The objective of our study was to characterize the quantity and composition of MAT in adults with morbid obesity and T2DM, and to evaluate determinants of MAT. We studied 21 adults with morbid obesity prior to bariatric surgery, 8 of whom had T2DM. All subjects underwent 1H-MR spectroscopy of the lumbar spine and femur for assessment of MAT and dual-energy x-ray absorptiometry (DXA) and quantitative computed tomography (QCT) of the lumbar spine and hip for assessment of areal BMD (aBMD) and volumetric BMD (vBMD)...
December 30, 2016: Bone
https://www.readbyqxmd.com/read/28036322/effects-of-femoral-rotational-taping-on-dynamic-postural-stability-in-female-patients-with-patellofemoral-pain
#12
Chen-Yi Song, Jiu-Jenq Lin, Alison H Chang
OBJECTIVE: To investigate the effects of femoral rotational taping on task performance, dynamic postural control, and pain during the Star Excursion Balance Test (SEBT) in patients with patellofemoral pain (PFP) compared to healthy controls. DESIGN: Case-control study, pretest-posttest. SETTING: Laboratory. PARTICIPANTS: Twenty-four female participants (16 with PFP, 8 controls). INTERVENTIONS: Participants in both the PFP and control groups performed SEBT with no taping, sham taping, and femoral rotational taping...
October 10, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28034591/women-with-polycystic-ovary-syndrome-have-comparable-hip-bone-geometry-to-age-matched-control-women
#13
Laura E McBreairty, Gordon A Zello, Julianne J Gordon, Shani B Serrao, Roger A Pierson, Donna R Chizen, Philip D Chilibeck
Polycystic ovary syndrome (PCOS) is an endocrine disorder affecting women of reproductive age manifesting with polycystic ovaries, menstrual irregularities, hyperandrogenism, hirsutism, and insulin resistance. The oligomenorrhea and amenorrhea characteristic to PCOS are associated with low bone mineral density (BMD); conversely, the hyperandrogenism and hyperinsulinemia may elicit a protective effect on BMD. As bone geometric properties provide additional information about bone strength, the objective of this study was to compare measures of hip geometry in women with PCOS to a healthy female population...
December 26, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28032707/surgical-technique-for-subtrochanteric-fracture-of-femur
#14
Peng-Cheng Wang, Dong Ren, Chao-Hui Song, Bing Zhou
A 56-year-old woman had fell over herself 4 h prior to her presentation to our hospital. The diagnosis was a subtrochanteric fracture of the right femur (AO-32-A3). The patient was placed in a supine position was set up on a fracture traction table after general anesthesia. The right leg was placed in abduction while the left leg was positioned so that there was flexion of the knee and hip joint. The C-arm was placed on the left side. The surgical field was sterilized and draped. Deformity and external rotation are always present for this type of fracture, so the first step was to place a joystick in the proximal fragment to correct the external rotation...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28032030/lessons-learned-from-study-of-congenital-hip-disease-in-adults
#15
REVIEW
George Hartofilakidis, Kalliopi Lampropoulou-Adamidou
Orthopaedic surgeons specialising in adult hip reconstruction surgery often face the problem of osteoarthritis secondary to congenital hip disease (CHD). To achieve better communication among physicians, better treatment planning and evaluation of the results of various treatment options, an agreed terminology is needed to describe the entire pathology. Furthermore, a generally accepted classification of the deformities is necessary. Herein, the authors propose the use of the term "congenital hip disease" and its classification as dysplasia, low dislocation and high dislocation...
December 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28031510/use-of-a-magnetic-bone-nail-for-lengthening-of-the-femur-and-tibia
#16
Ozgur Karakoyun, Sami Sokucu, Mehmet Fatih Erol, Metin Kucukkaya, Yavuz Selim Kabukçuoğlu
PURPOSE: To report our experience with the PRECICE nail for limb lengthening in 23 patients. METHODS: Records of 15 female and 8 male patients aged 14 to 38 (mean, 23.6) years who underwent lengthening of the tibia (n=6) or femur (n=21) using the PRECICE nail were reviewed. The reasons for lengthening included trauma (n=7), hemihypertrophy (n=2), focal femoral deficiency (n=2), Ellis-van Creveld syndrome (n=1), hip septic arthritis sequelae (n=1), hereditary multiple exostosis (n=1), club foot sequela (n=1), congenital tibial pseudoarthrosis (n=1), fibrous dysplasia (n=1), idiopathic limb length discrepancy (n=7), and cosmetic (n=1)...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28031507/combined-use-of-ibandronate-and-eldecalcitol-in-postmenopausal-japanese-women-with-osteoporosis
#17
Junichi Takada, Hiroshi Wada, Kousuke Iba, Kouichi Sasaki, Takayuki Dohke, Kumiko Kanaya, Takashi Yoshizaki, Toshihiko Yamashita
PURPOSE: To evaluate the effect of combined use of ibandronate and eldecalcitol for 6 to 12 months on bone mineral density (BMD) and bone strength of the proximal femur in postmenopausal Japanese women with osteoporosis. METHODS: BMD and bone strength of the proximal femur were evaluated in 78 postmenopausal women (mean age, 73.6 years) who underwent treatment for osteoporosis with combined use of ibandronate and eldecalcitol for at least 6 months. BMD was measured at the lumbar spine, femoral neck, and total hip using dual-energy X-ray absorptiometry (DXA) at baseline and every 6 months thereafter...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28031499/mid-term-outcome-of-total-hip-arthroplasty-using-a-short-stem
#18
Rajesh Malhotra, Vijay Kumar
PURPOSE: To review the outcome of total hip arthroplasty (THA) using a short femoral stem in 33 hips. METHODS: Records of 33 hips in 20 men and 10 women aged 25 to 40 (mean, 30) years who underwent cementless THA using a short femoral stem by a single senior surgeon were reviewed. The diagnosis included avascular necrosis (n=9), ankylosing spondylitis (n=12), rheumatoid arthritis (n=7), posttraumatic arthritis (n=4), and Hurler syndrome (n=1). Clinical outcome was assessed using the Harris Hip Score...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28026733/long-term-function-following-periprosthetic-fractures
#19
J Zwingmann, M Krieg, F Thielemann, N Südkamp, P Helwig
PURPOSE OF THE STUDY Clinical results of long-term follow-up after traumatic periprosthetic femur fractures and different therapies (ORIF vs. revision arthroplasty) MATERIAL AND METHODS The Visual Analog Scale (VAS), Harris-Hip-Score (HHS), Oxford-Hip-Score (OHS), Oxford-Knee-Score (OKS), Knee-Society-Score (KSS), SF-36 Questionnaire and Funktionsfragebogen Hannover (FFH) were used to evaluate outcome and functionality. Radiological examinations were performed and the Vancouver (THA) and Lewis and Rorabeck (TKA) classifications used...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28026728/-influence-of-the-weather-on-the-incidence-of-fractures-in-the-elderly
#20
F Burget, O Foltán, J Kraus, K Kudrna, M Novák, J Ulrych
PURPOSE OF THE STUDY The incidence of geriatric fractures (proximal femur, distal radius, proximal humerus and thoracolumbar spine injuries) in the population increases with ageing. However, the role of weather conditions, such as icy and slippery winter, should not be overlooked. A deeper insight into this relationship may bring about a better understanding of the fracture aetiology and thus allow for improvement in the prevention of fractures in elderly people. MATERIAL AND METHODS This prospective study included 676 patients (469 women and 207 men) aged 65 and over...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
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