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Bone densitometry

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https://www.readbyqxmd.com/read/28221141/-etiopathogenic-factors-of-the-different-types-of-urinary-litiasis
#1
Miguel Arrabal-Martín, María Carmen Cano-García, Miguel Ángel Arrabal-Polo, Alejandro Domínguez-Amillo, Nelson Canales-Casco, Javier de la Torre-Trillo, José Manuel Cózar-Olmo
In this review, we analyze the etiopathogenic principles of urinary lithiasis formation. In the kidney, calcifications that may cause renal lithiasis are produced as a consequence of processes that injury the urothelium at the papilla and Bellini's ducts. With the improvement of imaging techniques, mainly micro CT scan, it is possible to detect them and we may be able to anticipate to the formation of lithiasis. As we well know, there are different factors that influence the formation of the calculi depending on their composition...
January 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28217968/payer-type-and-low-value-care-comparing-choosing-wisely-services-across-commercial-and-medicare-populations
#2
Carrie H Colla, Nancy E Morden, Thomas D Sequist, Alexander J Mainor, Zhonghe Li, Meredith B Rosenthal
OBJECTIVE: To compare low-value health service use among commercially insured and Medicare populations and explore the influence of payer type on the provision of low-value care. DATA SOURCES: 2009-2011 national Medicare and commercial insurance administrative data. DESIGN: We created claims-based algorithms to measure seven Choosing Wisely-identified low-value services and examined the correlation between commercial and Medicare overuse overall and at the regional level...
February 19, 2017: Health Services Research
https://www.readbyqxmd.com/read/28199411/cortical-porosity-not-superior-to-conventional-densitometry-in-identifying-hemodialysis-patients-with-fragility-fracture
#3
Bernhard Bielesz, Janina M Patsch, Lukas Fischer, Marija Bojic, Wolfgang Winnicki, Michael Weber, Daniel Cejka
Hemodialysis (HD) patients face increased fracture risk, which is further associated with elevated risk of hospitalization and mortality. High-resolution peripheral computed tomography (HR-pQCT) has advanced our understanding of bone disease in chronic kidney disease by characterizing distinct changes in both the cortical and trabecular compartments. Increased cortical porosity (Ct.Po) has been shown to be associated with fracture in patients with osteopenia or in postmenopausal diabetic women. We tested whether the degree of Ct...
2017: PloS One
https://www.readbyqxmd.com/read/28188454/serum-25-hydroxyvitamin-d-cutoffs-for-functional-bone-measures-in-postmenopausal-osteoporosis
#4
D Y Lee, J H Jee, Y Y Cho, J Y Jang, T Y Yu, T H Kim, Y J Hong, W-J Hong, S-M Jin, K Y Hur, J H Kim, S W Kim, J H Chung, M K Lee, Y-K Min
: This study sought to determine the minimal serum 25-hydroxyvitamin D [25(OH)D] concentration required to maintain bone health in postmenopausal women with low bone mass. A serum 25(OH)D concentration of 20 ng/mL rather than 30 ng/mL was appropriate for bone health. INTRODUCTION: There is no consensus on the minimal serum 25-hydroxyvitamin D [25(OH)D] concentration required to maintain bone health. The aim of this study was to investigate the relationship between 25(OH)D measured via liquid chromatography-mass spectrometry (LC-MS/MS), which is the current gold standard, and biochemical markers of bone turnover, PTH, and bone mineral densitometry (BMD)...
February 10, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28188155/randomised-trial-assessing-the-impact-of-framing-of-fracture-risk-and-osteoporosis-treatment-benefits-in-patients-undergoing-bone-densitometry
#5
Rama Kalluru, Keith J Petrie, Andrew Grey, Zaynah Nisa, Anne M Horne, Greg D Gamble, Mark J Bolland
OBJECTIVES: The accuracy of patients' perception of risk is important for decisions about treatment in many diseases. We framed the risk of fracture and benefits of treatment in different ways and assessed the impact on patients' perception of fracture risk and intentions to take medication. DESIGN: Randomised trial of 4 different presentations of fracture risk and likely benefits from osteoporosis treatment. SETTING: Academic centre. PARTICIPANTS: 200 patients undergoing bone densitometry...
February 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28159711/quality-in-dual-energy-x-ray-absorptiometry-scans
#6
Sarah L Morgan, Ginnie L Prater
Dual-energy X-ray absorptiometry (DXA) is the gold standard for measuring bone mineral density (BMD), making the diagnosis of osteoporosis, and for monitoring changes in BMD over time. DXA data are also used in the determination of fracture risk. Procedural steps in DXA scanning can be broken down into scan acquisition, analysis, interpretation, and reporting. Careful attention to quality control pertaining to these procedural steps should theoretically be beneficial in patient management. Inattention to procedural steps and errors that may occur at each step has the possibility of providing information that would inform inappropriate clinical decisions, generating unnecessary healthcare expenses and ultimately causing avoidable harm to patients...
January 31, 2017: Bone
https://www.readbyqxmd.com/read/28159459/osteoporosis-in-stickler-syndrome-a-new-family-case-with-bone-histology-study
#7
P Insalaco, E Legrand, B Bouvard, M Audran
The Stickler syndrome (SS) has been described as a "hereditary progressive arthro-ophtalmopathy" by Stickler in 1965, due to mutations on the collagen genes. Currently about 40 different genes have been identified which encode for at least 27 different collagens. The majority of mutations occur in the COL2A1 gene on chromosome 12q13 (SS type I). Mutations in COL11A1 are less frequent (SS type II). More recently, mutations in COL11A2 and in the COL9A1 gene have been reported with particular phenotypes. The main features of this autosomal inherited disease are ocular, auditory with orofacial abnormalities and early-onset osteoarthritis...
January 31, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/28152965/early-experience-with-puerto-rico-effective-use-management-of-bone-agents
#8
Dinah Faith Q Huff, Lourdes Feliciano, Charles L Bennett, Kevin Knopf, William J Hrushesky, Anna DiMarco, Michael Baum
: 130 Background: Oncology Analytics is a cancer care decision support group recently entering the Puerto Rican cancer care marketplace. Bone agents are used in metastatic cancer management to delay the progression of lytic bone metastases. These agents are also used for the treatment of demonstrated osteoporosis with bone densitometry (DEXA scan). Oncology Analytics has found these agents are sometimes used in the absence of lytic metastases or osteoporosis. When this is discussed with treating physicians, practice patterns promptly improve...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28149187/biochemical-analysis-and-bone-remodeling-in-response-to-oophorectomy-and-aquatic-training
#9
Helena Ribeiro Souza, Ana Paula Girol, Adriana Paula Sanchez Schiaveto, Mairto Roberis Geromel, Melina Mizusaki Iyomasa, Maurício Ferraz DE Arruda
OBJECTIVE: To investigate whether swimming could prevent bone loss and could be indicated to assist in treatment of osteoporosis. METHODS: Female rats were divided into 4 groups (n=6), two of them were oophorectomized. Animals from two groups, one oophorectomized and another not oophorectomized, underwent aquatic training for eight weeks. After training, the animals were sacrificed and their blood was collected for calcium and alkaline phosphatase serum dosage; the femur was removed and subjected to radiological and histological densitometry analysis to assess bone loss and osteoclast counting on femoral head and neck...
September 2016: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28139500/variation-in-inflammatory-bowel-disease-care-among-saudi-pediatric-gastroenterologists
#10
Ahmed A Al-Sarkhy
BACKGROUND/AIM: Although international guidelines in inflammatory bowel disease (IBD) management are currently available, variations in IBD care still exist. The aim of this study was to determine the extent of the variation in IBD care among Saudi pediatric gastroenterologists. MATERIALS AND METHODS: A cross-sectional survey was conducted among all pediatric gastroenterologists who were members of the Saudi Society of Pediatric Gastroenterology, Hepatology, and Nutrition (SASPGHAN) from August 2015 to December 2015...
January 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28067892/impact-of-type-1-diabetes-mellitus-and-celiac-disease-on-nutrition-and-quality-of-life
#11
J G Nunes-Silva, V S Nunes, R P Schwartz, S Mlss Trecco, D Evazian, M L Correa-Giannella, M Nery, M S Queiroz
OBJECTIVE: Type 1 diabetes mellitus (T1DM) and celiac disease (CD) are autoimmune diseases and have similar genetic patterns. T1DM treatment is based on diet, physical activity and insulin therapy, whereas CD depends on dietary changes with restriction of wheat, rye and barley. The aim of the study was to evaluate the quality of life (QoL) of individuals with the association of T1DM and CD, to characterize their nutritional status and to compare it with those with only one disease and healthier controls...
January 9, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28060972/-vitamin-d-and-parathyroid-hormone-levels-and-bone-mineral-density-in-patients-undergoing-hematopoietic-cell-transplantation
#12
Pablo Florenzano, Daniel Ernst, Nicole Lustig, Patricio Rojas, Pablo Ramírez, Claudia Campusano
BACKGROUND: Patients undergoing hematopoietic cell transplantation (HCT) are at increased risk of developing osteoporosis. AIM: To determine the frequency and severity of Vitamin D deficiency, secondary hyperparathyroidism and low bone mass in patients undergoing HCT. PATIENTS AND METHODS: Analysis of the database of patients undergoing HCT in our institution in the 2010-2015 period. We searched for patients with measurements of 25-OH vitamin D (25OHD), parathyroid hormone (PTH) and bone densitometry by double beam X ray absorptiometry (DXA) prior and up to one year after HCT...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28049249/prevalence-of-osteoporosis-and-effectiveness-of-screening-test-using-ultrasound-bone-densitometry-and-education-in-a-community-dwelling-population
#13
Yu Jun Kwon, Ki Soo Park, Bong Hoi Choi, Byung Sung Kim, Yong Chan Ha
This prospective intervention study was undertaken to estimate the prevalence and treatment rate of osteoporosis following osteoporosis screening tests in the same cohort. From November 1, 2014 to August 31, 2015, participants received screening tests for osteoporosis using ultrasound bone densitometry and education concerning osteoporosis and related conditions. The participants were interviewed using a questionnaire on the diagnosis and initiation of osteoporosis treatment during the follow-up period. Of 960 potential participants, 595 people (68...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28024830/relationship-between-metabolic-syndrome-and-its-components-with-bone-densitometry-in-postmenopausal-women
#14
Mahnaz Abbasi, Seyed Amir Farzam, Zahra Mamaghani, Zohreh Yazdi
BACKGROUND: Prevention of osteoporosis and bone fracture and the relationship between metabolic syndrome and bone density are controversial issues. THE AIM OF THIS STUDY: The aim of this study was to evaluate the association between metabolic syndrome and its components with bone mineral density in post menopausal women referred for bone mineral density (BMD) test. METHODS: A total of 143 postmenopausal women with at least one year of menopause experience participated in this cross-sectional study...
December 15, 2016: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28010139/association-of-serum-leptin-with-bone-mineral-density-in-postmenopausal-osteoporotic-females
#15
Saba Tariq, Mukhtiar Baig, Sundus Tariq, Muhammad Shahzad
OBJECTIVE: Present study was designed to find out whether leptin is a predictor of bone mass density (BMD) in premenopausal women (PMW) and postmenopausal osteoporotic women (PMOPW) or it has no association with BMD. METHODS: One hundred and ninety two women (98 PMOPW and 94 PMW) were recruited for this study. The control group was BMI matched with osteoporotic subjects. BMD assessment was done on calcaneus by peripheral ultrasound bone densitometry and T scores were determined...
December 23, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28005656/skeletal-changes-of-an-osteomyocutaneous-facial-allograft-five-years-following-transplantation
#16
Bahar Bassiri Gharb, Antonio Rampazzo, Gaby Doumit, Steven Bernard, Maria Siemionow, Francis Papay, Risal Djohan
BACKGROUND: More than 30 face transplantations have been performed worldwide, most including part of the facial skeletal framework. In this study, the modifications of the skeletal component of a facial allograft were evaluated. METHODS: Standard head computed tomography (CT) scans, CT angiogram, and bone mineral densitometry were evaluated. Cephalometric analysis was performed. The pre and postoperative CT images were overlapped and the skeletal changes were expressed in a numeric and color-coded scale...
December 21, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27995940/precision-of-dual-energy-x-ray-absorptiometry-of-the-knee-and-heel-methodology-and-implications-for-research-to-reduce-bone-mineral-loss-after-spinal-cord-injury
#17
W T Peppler, W J Kim, K Ethans, K C Cowley
STUDY DESIGN: Methodological validation of dual-energy x-ray absorptiometry (DXA)-based measures of leg bone mineral density (BMD) based on the guidelines of the International Society for Clinical Densitometry. OBJECTIVES: The primary objective of this study was to determine the precision of BMD estimates at the knee and heel using the manufacturer provided DXA acquisition algorithm. The secondary objective was to determine the smallest change in DXA-based measurement of BMD that should be surpassed (least significant change (LSC)) before suggesting that a biological change has occurred in the distal femur, proximal tibia and calcaneus...
December 20, 2016: Spinal Cord
https://www.readbyqxmd.com/read/27993196/milk-fat-globule-epidermal-growth-factor-factor-viii-derived-peptide-msp68-is-a-cytoskeletal-immunomodulator-of-neutrophils-that-inhibits-rac1
#18
Louie Hendricks, Monowar Aziz, Weng-Lang Yang, Jeffrey Nicastro, Gene F Coppa, Marc Symons, Ping Wang
BACKGROUND: Prolonged neutrophil infiltration leads to exaggerated inflammation and tissue damage during sepsis. Neutrophil migration requires rearrangement of their cytoskeleton. Milk fat globule-epidermal growth factor-factor VIII-derived short peptide 68 (MSP68) has recently been shown to be beneficial in sepsis-induced tissue injury and mortality. We hypothesize that MSP68 inhibits neutrophil migration by modulating small GTPase Rac1-dependent cytoskeletal rearrangements. METHODS: Bone marrow-derived neutrophils (BMDNs) or whole lung digest isolated neutrophils were isolated from 8 to 10 wk old C57BL/6 mice by Percoll density gradient centrifugation...
February 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/27990194/predictors-of-bone-status-by-quantitative-ultrasound-measurements-in-a-mountain-village-in-japan
#19
Tsuyoshi Tajika, Atsushi Yamamoto, Takashi Ohsawa, Noboru Oya, Haku Iizuka, Kenji Takagishi
BACKGROUND: It seems to be important to recognize predictors of bone health condition in Japanese super-aged society. The purpose of this study was to investigate predictors of the speed of sound (SOS) of calcaneus by quantitative ultrasound measurements of mountain village residents. MATERIALS AND METHODS: Medical examinations were conducted on 214 participants (69 men, 145 women; average age of 63.6 years). Each had completed a self-administered questionnaire including items such as gender, dominant hand, occupation, and history of smoking and drinking alcohol, experience of falls, and the EuroQol-5-dimensions-3-level Japanese version and a 25-question geriatric locomotive function scale proposed by the Japanese Orthopaedic Association...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/27982167/correlation-between-ultrasound-velocity-and-densitometry-in-fresh-and-demineralized-cortical-bone
#20
Alessandro Queiroz de Mesquita, Giuliano Barbieri, Claudio Henrique Barbieri
OBJECTIVE: To compare ultrasound propagation velocity with densitometry in the diaphyseal compact cortical bone of whole sheep metatarsals. METHODS: The transverse ultrasound velocity and bone mineral density of 5-cm-long diaphyseal bone segments were first measured. The bone segments were then divided into four groups of 15 segments each and demineralized in an aqueous 0.5 N hydrochloric acid solution for 6, 12, 24 or 36 hours. All measurements were repeated after demineralization for each time duration and the values measured before and after demineralization were compared...
November 1, 2016: Clinics
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