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https://www.readbyqxmd.com/read/27911454/steady-state-acetabular-cartilage-wear-after-bipolar-hemiarthroplasty-a-case-series-of-10-patients-with-radiostereometric-analysis
#1
Masako Tsukanaka, Ragnhild Ø Støen, Wender Figved, Frede Frihagen, Lars Nordsletten, Stephan M Röhrl
INTRODUCTION: Cartilage wear is a concern after hemiarthroplasty. The precise pattern of the progression of wear has not been evaluated. We previously reported the application of radiostereonetric analysis (RSA) for the measurement of cartilage wear in patients. The purpose of this study was to report the amount and the orientation of the steady state wear of cartilage between 1 and 3 years after bipolar hemiarthroplasty. METHODS: 22 patients with a bipolar hemiarthroplasty for displaced femoral neck fracture were included...
December 2, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27910102/association-of-serum-klotho-with-loss-of-bone-mineral-density-and-fracture-risk-in-older-adults
#2
Didier Chalhoub, Elisa Marques, Osorio Meirelles, Richard D Semba, Luigi Ferrucci, Suzanne Satterfield, Michael Nevitt, Jane A Cauley, Tamara Harris
OBJECTIVES: Klotho deficiency has been previously linked to aging-like phenotypes such as osteoporosis, cognitive impairment, and sarcopenia. Low serum klotho was shown to be related to grip strength and disability. Nonetheless, no previous study has explored the association between serum klotho and fractures. The purpose of this report is to examine the relationship of serum klotho with bone mineral density (BMD) loss and fractures in older adults. DESIGN: The Health, Aging, and Body Composition (Health ABC) Study is a longitudinal cohort study of 3,075 community-dwelling older adults...
December 2, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27909782/associations-between-serum-vitamin-e-concentration-and-bone-mineral-density-in-the-us-elderly-population
#3
J Zhang, X Hu, J Zhang
: Mixed findings regarding effects of vitamin E on bone metabolism existed. We were the first to find a negative association between serum α-tocopherol concentration and bone mineral density in the US elderly population. Using vitamin E supplement as α-tocopherol to promote bone health was not warranted at this time. INTRODUCTION: The aim of the study is to examine the associations between serum vitamin E (α-tocopherol and γ-tocopherol) status and bone mineral density (BMD) among the US elderly population...
December 1, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27909118/the-relative-contribution-of-the-medial-and-lateral-femoral-circumflex-arteries-to-the-vascularity-of-the-head-and-neck-of-the-femur-a-quantitative-mri-based-assessment
#4
D C Dewar, L E Lazaro, C E Klinger, P K Sculco, J P Dyke, A Y Ni, D L Helfet, D G Lorich
AIMS: We aimed to quantify the relative contributions of the medial femoral circumflex artery (MFCA) and lateral femoral circumflex artery (LFCA) to the arterial supply of the head and neck of the femur. MATERIALS AND METHODS: We acquired ten cadaveric pelvises. In each of these, one hip was randomly assigned as experimental and the other as a matched control. The MFCA and LFCA were cannulated bilaterally. The hips were designated LFCA-experimental or MFCA-experimental and underwent quantitative MRI using a 2 mm slice thickness before and after injection of MRI-contrast diluted 3:1 with saline (15 ml Gd-DTPA) into either the LFCA or MFCA...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27908809/a-combination-of-thoracic-and-abdominal-grafts-to-treat-an-abdominal-aortic-aneurysm-with-hostile-proximal-neck
#5
Mafalda Massara, Roberto Prunella, Pasquale Gerardi, Giovanni De Caridi, Raffaele Serra, Stefano Notarstefano, Giovanni Impedovo
Endovascular aneurysm repair (EVAR) actually represents the treatment of choice for most patients affected by aneurysm of the abdominal aorta (AAA). However, the feasibility of EVAR depends on anatomical characteristics of abdominal aorta and ilio-femoral axis. We present the case of a 82-years old man affected by severe left hydronephrosis, kidney and ureteral tumor requiring nephrectomy, that presented also a very voluminous AAA with a large diameter (96 mm), presenting also with a large proximal neck (39 mm) and with a severe angulation of the proximal neck (> 60°)...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908545/association-between-fat-mass-and-bone-mineral-density-among-brazilian-women-differs-by-menopausal-status-the-pr%C3%A3-sa%C3%A3%C2%BAde-study
#6
Amina Chain, Marise Crivelli, Eduardo Faerstein, Flávia F Bezerra
OBJECTIVE: The aim of this study was to investigate the association between bone mineral density (BMD) and fat mass (FM) in a multiethnic population of Brazilian women and to evaluate the influence of total body mass and lean mass on this association. METHODS: This was a cross-sectional study nested within the Pro-Saúde Study, a prospective cohort of university civil servants in Rio de Janeiro. Participants were pre- (n = 100) and postmenopausal (n = 166) women...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27908213/determinants-of-low-bone-mineral-density-in-premenopausal-polycystic-ovary-syndrome-patients
#7
Cihan Karadağ, Tevfik Yoldemir, Dilek Gogas Yavuz
OBJECTIVE: The aim of this study was to evaluate the bone mineral density (BMD) values and to determine the associations between BMD and insulin sensitivity, hyperandrogenemia, body mass index (BMI), and sex hormones in premenopausal polycystic ovary syndrome (PCOS) patients. METHODS: A hundred and three women with PCOS and sixty age- and BMI-matched healthy control women were enrolled to this cross-sectional study. Serum androgen and estradiol (E2) levels were measured...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27904511/correlation-research-between-osteoporosis-and-left-ventricular-hypertrophy-in-older-men
#8
Chenshu Huang, Shaolin Li
INTRODUCTION: The aim of the study was to correlate between osteoporosis and left ventricular hypertrophy (LVH) in older men. MATERIAL AND METHODS: One hundred and forty-six cases of senile male subjects were selected and divided into a normal bone mineral density group, an osteopenia group, and an osteoporosis group based on bone mineral density (BMD). Detailed history inquiry and clinical examination were used to determine biochemical indicators. Femoral neck BMD and lumbar BMD were determined...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904219/results-of-a-compression-pin-alongwith-trochanteric-external-fixation-in-management-of-high-risk-elderly-intertrochanteric-fractures
#9
Aydın Arslan, Ali Utkan, Tuba Tulay Koca
BACKGROUND: External fixation is a well-known procedure for the management of intertrochanteric fractures in very elderly high-risk patients. A new compression pin that can be adapted to all fixators was designed to provide inter fragmentary compression. In the present study, its effects on the fracture stability and healing were evaluated. MATERIALS AND METHODS: Thirty-one patients treated using compression pin and thirty-six patients treated using standard pins were evaluated retrospectively between January 2009 and July 2014...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27902687/limb-bone-structural-proportions-and-locomotor-behavior-in-a-l-288-1-lucy
#10
Christopher B Ruff, M Loring Burgess, Richard A Ketcham, John Kappelman
While there is broad agreement that early hominins practiced some form of terrestrial bipedality, there is also evidence that arboreal behavior remained a part of the locomotor repertoire in some taxa, and that bipedal locomotion may not have been identical to that of modern humans. It has been difficult to evaluate such evidence, however, because of the possibility that early hominins retained primitive traits (such as relatively long upper limbs) of little contemporaneous adaptive significance. Here we examine bone structural properties of the femur and humerus in the Australopithecus afarensis A...
2016: PloS One
https://www.readbyqxmd.com/read/27902169/risk-factors-for-contralateral-hip-fractures-following-femoral-neck-fractures-in-elderly-analysis-of-the-hungarian-nationwide-health-insurance-database
#11
Krisztina Juhász, Imre Boncz, Balázs Patczai, Tibor Mintál, Andor Sebestyén
OBJECTIVES: This study aims to investigate the significance of demographic and clinical factors on incidence of second (contralateral) hip fracture in elderly Hungarian population using the nationwide health insurance database in Hungary. PATIENTS AND METHODS: The study included a total of 3,783 patients (917 males, 2,866 females) treated for primary monotraumatic femoral neck fractures caused by low-energy trauma in the year 2000. Cox regression and Kaplan-Meier survival analyses, and log-rank test were performed to evaluate the following prognostic factors: age, gender, place of living, type of primary fracture and surgical intervention, hospital providing treatment for primary fracture, and comorbidities...
December 2016: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/27900426/the-lumbar-spine-age-related-degenerative-disease-influences-the-bmd-not-the-tbs-the-osteolaus-cohort
#12
I Padlina, E Gonzalez-Rodriguez, D Hans, M Metzger, D Stoll, B Aubry-Rozier, O Lamy
: We evaluated the influence of degenerative disease and fractured vertebra on lumbar spine bone mineral density (BMD) and trabecular bone score (TBS) in 1500 women aged 50-80 years. TBS was not affected by a degenerative disease. While BMD increases after 62.5 years, TBS continues to decline. TBS should play a leading role in lumbar spine evaluation. INTRODUCTION: After menopause, lumbar spine (LS) BMD and TBS values decrease. Degenerative disease (DD) increases with age and affect LS BMD...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27889839/what-is-the-fate-of-the-neck-after-a-collum-femoris-preserving-prosthesis-a-nineteen-years-single-center-experience
#13
Matteo Formica, Luca Cavagnaro, Marco Basso, Andrea Zanirato, Augusto Palermo, Lamberto Felli
PURPOSE: The aim of our study is to evaluate long-term outcomes from a cohort of patients treated with collum femoris preserving (CFP) stem correlating neck resorption with comorbidities, clinical outcomes, and complications. METHODS: One hundred seventy-six patients (194 hips) were retrospectively reviewed with a minimum follow-up (f.u.) of ten years. Demographic and surgical data were collected. Clinical and radiological evaluation was performed at the last follow up...
November 26, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27889406/is-surgeons-experience-important-on-intra-and-inter-observer-reliability-of-classifications-used-for-adult-femoral-neck-fracture
#14
Ali Turgut, Mert Kumbaracı, Önder Kalenderer, Gökhan İlyas, Tayfun Bacaksız, Levent Karapınar
PURPOSE: To evaluate whether surgeons' experience affect inter- and intra-observer reliability among mostly used classification systems for femoral neck fractures. MATERIAL AND METHODS: A power point presentation was prepared with 107 slides which were antero-posterior radiographs of each femoral neck fracture. Five residents, 5 orthopaedic surgeons and 5 senior orthopaedic surgeons reviewed this presentation and classified the fractures according to Garden, Pauwels and AO classifications...
November 23, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27888285/efficacy-of-statins-for-osteoporosis-a-systematic-review-and-meta-analysis
#15
REVIEW
T An, J Hao, S Sun, R Li, M Yang, G Cheng, M Zou
Our meta-analysis assessed the efficacy of statins on the risk of fracture, bone mineral density (BMD), and the markers of bone metabolism by collecting data from 33 clinical trials. We found that statin treatment was associated with bone metabolism. And statins seemed to be more effective on male patients with osteoporosis. The efficacy of statins for the treatment of osteoporosis has been controversial in previous studies and meta-analyses. Our meta-analysis was conducted to examine in detail the efficacy of statins on osteoporosis...
November 25, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27885410/is-osteoporosis-a-predictor-for-future-sarcopenia-or-vice-versa-four-year-observations-between-the-second-and-third-road-study-surveys
#16
N Yoshimura, S Muraki, H Oka, T Iidaka, R Kodama, H Kawaguchi, K Nakamura, S Tanaka, T Akune
: In a 4-year follow-up study that enrolled 1099 subjects aged ≥60 years, sarcopenia prevalence was estimated at 8.2%. Moreover, the presence of osteoporosis was significantly associated with short-term sarcopenia occurrence, but the reciprocal relationship was not observed, suggesting that osteoporosis would increase the risk of osteoporotic fracture and sarcopenia occurrence. INTRODUCTION: The present 4-year follow-up study was performed to clarify the prevalence, incidence, and relationships between sarcopenia (SP) and osteoporosis (OP) in older Japanese men and women...
November 24, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27875059/cortical-bone-area-predicts-incident-fractures-independently-of-areal-bone-mineral-density-in-older-men
#17
Claes Ohlsson, Daniel Sundh, Andreas Wallerek, Martin Nilsson, Magnus Karlsson, Helena Johansson, Dan Mellström, Mattias Lorentzon
CONTEXT: Areal bone mineral density (aBMD) measured using dual-energy X-ray absorptiometry (DXA) is used clinically to predict fracture but does not allow discrimination between the trabecular and cortical bone compartments or assessment of cortical porosity. OBJECTIVE: To investigate if distinct information on cortical and trabecular bone parameters predict fracture risk independently of aBMD and clinical risk factors. DESIGN & PARTICIPANTS: Cortical area, cortical bone mass, trabecular bone volume fraction, and cortical porosity were measured at the tibia using high-resolution peripheral quantitative computed tomography (HR-pQCT) in 456 men (80...
November 22, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27873074/a-cross-sectional-study-of-the-association-between-adipokine-levels-and-bone-mineral-density-according-to-obesity-and-menopausal-status-in-korean-women
#18
Ji-Hee Haam, Young-Sang Kim, Moon Jong Kim, Hyung Suk Koo, Hyung Yuk Kim, Hye-Jung Kim, Ki Hyun Park, Nam-Seok Joo, Kyung-Chae Park
Results regarding the association between adipokine levels and bone mineral density (BMD) have been inconsistent; the effects of sex, menopause, and central obesity remain unknown. We evaluated the association between serum leptin, adiponectin, and high-molecular-weight (HMW) adiponectin levels and BMD according to menopause and central obesity status in Korean women. This cross-sectional study comprised 255 women undergoing examinations at the CHA Bundang Medical Center. Participants were divided according to menopause, and central obesity status...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27872955/iliopsoas-bursal-extension-of-lipohemarthrosis-a-novel-imaging-finding-associated-with-hip-fracture
#19
Gregory J Czuczman, Jacob C Mandell, Bharti Khurana
Lipohemarthrosis is well known to be associated with intra-articular fractures throughout the body. Despite the relatively common occurrence of hip fracture and the frequency of communication between the hip joint and iliopsoas bursa, to the best of our knowledge, a fat-fluid level involving the iliopsoas bursa secondary to a hip fracture has not previously been reported. The following is a case report of a 48-year-old male who sustained an acute femoral neck fracture and was found to have distension of the iliopsoas bursa with a fat-fluid level resulting from extra-capsular extension of a lipohemarthrosis...
November 21, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27871812/effects-of-roux-en-y-gastric-bypass-and-sleeve-gastrectomy-on-bone-mineral-density-and-marrow-adipose-tissue
#20
Miriam A Bredella, Logan B Greenblatt, Alireza Eajazi, Martin Torriani, Elaine W Yu
Bariatric surgery is associated with bone loss but skeletal consequences may differ between Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG), the two most commonly performed bariatric procedures. Furthermore, severe weight loss is associated with high marrow adipose tissue (MAT); however, MAT is also increased in visceral adiposity. The purpose of our study was to determine the effects of RYGB and SG on BMD and MAT. We hypothesized that both bariatric procedures would lead to a decrease in BMD and MAT...
November 15, 2016: Bone
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