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Bone densitometry

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https://www.readbyqxmd.com/read/28328530/imaging-methods-for-bone-mass-evaluation-during-childhood-and-adolescence-an-update
#1
Isabela Leite Pezzuti, Adriana Maria Kakehasi, Maria Tereza Filgueiras, Juliana Albano de Guimarães, Isabela Alves Campos de Lacerda, Ivani Novato Silva
The objective of the work was to prepare an update on imaging methods for bone evaluation during childhood and adolescence. The text was based on original and review articles on imaging methods for clinical evaluation of bone mass in children and adolescents up to 20 years old. They were selected from BIREME and PUBMED by means of the following keywords: bone density; osteoporosis/diagnosis; densitometry; tomography; ultrasonography; magnetic resonance imaging; and radiogrammetry and published in Portuguese or English, in the last 10 years (2006-2016)...
March 22, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28326297/coronary-artery-calcium-score-and-bone-metabolism-a-pilot-study-in-postmenopausal-women
#2
Pooneh Salari, Abbasali Keshtkar, Shapour Shirani, Leila Mounesan
BACKGROUND: Since 1991 many studies evaluated the link between cardiovascular diseases and osteoporosis, two age-related conditions, but the main common pathologic pathway has not been determined yet. The histological similarity between arterial calcified plaque and bone matrix and involvement of similar cells and mediators provide a special field of research. Therefore in the present study, we aimed to evaluate the relationship between coronary artery calcium score (CACS) as a surrogate marker of atherosclerosis and bone mediators and parameters in postmenopausal women...
February 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28321531/bone-quality-in-beta-thalassemia-intermedia-relationships-with-bone-quantity-and-endocrine-and-hematologic-variables
#3
Marina Baldini, A Marcon, F M Ulivieri, S Seghezzi, R Cassin, C Messina, M D Cappellini, G Graziadei
We report the first evaluation of bone quality in 70 thalassemia intermedia (TI) patients (37 males, 33 females, age 41 ± 12 years). Thirty-three patients (47%) had been transfused, 34 (49%) had been splenectomized, 39 (56%) were on iron chelation therapy, and 11 (16%) were on hydroxyurea. Mean hemoglobin was 9.2 ± 1.5 g/dl, median ferritin 537 ng/dl (range 14-4893), and mean liver iron concentration 7.6 ± 6.4 mg Fe/g dw. Fifteen patients (21%) had endocrinopathies, and 29 (41%) had vitamin D deficiency...
March 20, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28298497/anorexia-nervosa-and-bone-densitometry
#4
Havilah Adkins
Anorexia nervosa is a psychological disorder with extensive physical complications that require care and monitoring from a diverse team of health care professionals. Although it can affect people of various ages and both sexes, anorexia most frequently occurs in adolescent girls during a crucial period of skeletal development. This article presents an overview of anorexia nervosa, followed by focused discussions of its effects on bone development, treatment of bone loss, and the radiologic technologist's role in caring for anorexic patients...
March 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28293641/functional-effects-of-prebiotic-fructans-in-colon-cancer-and-calcium-metabolism-in-animal-models
#5
Marisol Rivera-Huerta, Vania Lorena Lizárraga-Grimes, Ibrahim Guillermo Castro-Torres, Mabel Tinoco-Méndez, Lucía Macías-Rosales, Francisco Sánchez-Bartéz, Graciela Guadalupe Tapia-Pérez, Laura Romero-Romero, María Isabel Gracia-Mora
Inulin-type fructans are polymers of fructose molecules and are known for their capacity to enhance absorption of calcium and magnesium, to modulate gut microbiota and energy metabolism, and to improve glycemia. We evaluated and compared the effects of Chicory inulin "Synergy 1®" and inulin from Mexican agave "Metlin®" in two experimental models of colon cancer and bone calcium metabolism in mice and rats. Inulins inhibited the development of dextran sulfate sodium-induced colitis and colon cancer in mice; these fructans reduced the concentration of tumor necrosis factor alpha and prevented the formation of intestinal polyps, villous atrophy, and lymphoid hyperplasia...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28291437/evaluation-of-proximal-femoral-nail-antirotation-and-cemented-bipolar-hemiarthroplasty-with-calcar-replacement-in-treatment-of-intertrochanteric-femoral-fractures-in-terms-of-mortality-and-morbidity-ratios
#6
Erdinç Esen, Hakan Dur, M Baybars Ataoğlu, Tacettin Ayanoğlu, Sacit Turanlı
OBJECTIVES: This study aims to assess the mortality and morbidity rates of patients with intertrochanteric femoral fractures who were performed proximal femoral nail-antirotation (PFNA) or cemented, bipolar hemiarthroplasty with calcar replacement. PATIENTS AND METHODS: A total of 127 patients (42 males, 85 females; mean age 79.2 years; range 55 to 98 years) who were treated due to proximal femoral fracture between January 2008 and January 2011 were compared retrospectively in terms of intraoperative mortality, total mortality, and monthly distribution of mortality rates...
April 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28291401/pelvic-insufficiency-fracture-pif-incidence-in-patients-treated-with-intensity-modulated-radiation-therapy-imrt-for-gynaecological-or-anal-cancer-single-institution-experience-and-review-of-the-literature
#7
Louis Bazire, Haoping Xu, Jean-Philippe Foy, Malika Amessis, Caroline Malhaire, Kim Cao, Anne De La Rochefordiere, Youlia M Kirova
OBJECTIVE: To summarize the results of pelvic insufficiency fracture (PIF) incidence in patients with anal or gynaecological cancer treated by pelvic intensity-modulated radiation therapy (IMRT). METHODS: The clinical and morphological (CT and/or pelvic MRI) characteristics of patients treated by IMRT at our institution between 2007 and 2014 were analyzed. The global incidence of PIF after external beam radiotherapy and the impact of tumour site (gynaecological or anal cancer) were determined...
March 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28285470/the-effect-of-a-muscle-weight-bearing-and-aerobic-exercise-program-on-the-body-composition-muscular-strength-biochemical-markers-and-bone-mass-of-obese-patients-who-have-undergone-gastric-bypass-surgery
#8
Luciana Campanha-Versiani, Danielle Aparecida Gomes Pereira, Giane Amorim Ribeiro-Samora, Adauto Versiani Ramos, Maria Fatima H de Sander Diniz, Luiz Armando De Marco, Maria Marta Sarquis Soares
BACKGROUND: The effect of an exercise program on the body composition, muscular strength (MS), biochemical markers, and bone mineral density (BMD) of individuals undergoing gastric bypass is unclear. We assessed lean mass (LM), MS, bone remodeling markers, and BMD before and after supervised weight-bearing and aerobic exercise training in obese patients who underwent Roux-en-Y gastric bypass (RYGB). METHODS: This study included 37 obese patients (81.1% women, mean age 38...
March 11, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28282759/japanese-female-kendo-practitioners-are-associated-with-high-radial-bone-mineral-density
#9
Daisuke Matsui, Isao Watanabe, Teruhide Koyama, Etsuko Ozaki, Nagato Kuriyama, Shigeto Mizuno, Yoshiyuki Watanabe
Osteopenia is a condition in which bone mineral density (BMD) is lower than normal. Exercise increases BMD in both the young and adults. This study aimed to compare the radial apparent BMD (aBMD) in Japanese females who are Kendo practitioners (KPs) and those with no regular exercise habits (no-REH). The analysis participants consisted of 45 KPs (mean age: 49.4 years old) and 110 no-REH (mean age: 48.8 years old). Radial aBMD was measured using an ultrasonic bone densitometry system. Radial aBMD in KPs was 196...
September 26, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28282704/comparison-of-bone-density-of-distal-radius-with-hip-and-spine-using-dxa
#10
Leila Amiri, Azita Kheiltash, Shafieh Movassaghi, Maryam Moghaddassi, Leila Seddigh
Osteoporosis diagnosis is usually based on examination of the hip bone and vertebrae density; however, the radius bone has gained attention recently in terms of feasibility and accessibility as it is done by portable devices with proper precision. This study aims to compare hip and spine density with radius, knowing whether radius may be an appropriate alternative for osteoporosis diagnosis. 120 females who were referred to one Densitometry Center checked their skeletal status using a hologic unit for densitometry of spine, femoral neck, and one-third radius...
February 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28277592/evaluation-of-the-effects-of-the-metha-short-stem-on-periprosthetic-bone-remodelling-in-total-hip-arthroplasties-results-at-48-months
#11
Paolo D Parchi, Gianluca Ciapini, Iacopo Castellini, Claudia Mannucci, Anna Maria Nucci, Nicola Piolanti, Silvia Maffei, Michele Lisanti
INTRODUCTION: Total hip arthroplasty is one of the most performed procedures in orthopaedic surgery. Implantation of a prosthesis determines changes in the distribution of loads on the host bone, and this phenomenon, known as stress shielding, is related to the biomechanical characteristics of the implant. Usually stress shielding involves the proximal portion of the femur by reducing the mechanical strength and ability to withstand the transmitted loads. The aim of our study is to demonstrate how the use of a short hip stem reduces the stress shielding phenomenon to the proximal femur...
March 9, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28271302/pediatric-osteoporosis-diagnosis-and-treatment-considerations
#12
REVIEW
Edoardo Marrani, Teresa Giani, Gabriele Simonini, Rolando Cimaz
Osteoporosis is now increasingly recognized in children due to the increased prevalence of disorders associated with bone loss. Fragility fractures represent the cardinal clinical features of pediatric osteoporosis and children presenting with fragility fractures deserve an accurate assessment to rule out a secondary cause. Indeed, in the pediatric population, a low bone mass is often a consequence of a chronic disease or its treatment; genetic bone disorders represent the cause of only a small fraction of cases...
March 7, 2017: Drugs
https://www.readbyqxmd.com/read/28265896/use-of-cone-beam-computed-tomography-in-identifying-postmenopausal-women-with-osteoporosis
#13
C B Brasileiro, L L F H Chalub, M H N G Abreu, I D Barreiros, T M P Amaral, A M Kakehasi, R A Mesquita
The aim of this study is to correlate radiometric indices from cone beam computed tomography (CBCT) images and bone mineral density (BMD) in postmenopausal women. Quantitative CBCT indices can be used to screen for women with low BMD. PURPOSE: Osteoporosis is a disease characterized by the deterioration of bone tissue and the consequent decrease in BMD and increase in bone fragility. Several studies have been performed to assess radiometric indices in panoramic images as low-BMD predictors...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28259363/androgen-deprivation-in-prostate-cancer-and-the-long-term-risk-of-fracture
#14
S Ojeda, M Lloret, A Naranjo, F Déniz, N Chesa, C Domínguez, P C Lara
OBJECTIVES: To determine the rate of bone mass loss and the risk of fracture induced by androgen deprivation therapy in patients with prostate cancer. MATERIAL AND METHODS: Prospective study in 2 phases. In the first phase, demographic variables, FRAX(®), bone mineral density and clinical fractures were collected, before starting the therapy and up to 1 year after ending the therapy. In the second phase, we conducted a telephone interview a mean of 8.5 years after the start of the study to assess new fractures...
March 1, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28250248/comparative-effects-of-denosumab-or-bisphosphonate-treatment-on-bone-mineral-density-and-calcium-metabolism-in-postmenopausal-women
#15
A Augoulea, E Tsakonas, I Triantafyllopoulos, D Rizos, E Armeni, N Tsoltos, S Tournis, E Deligeoroglou, A Antoniou, I Lambrinoudaki
OBJECTIVES: To clarify potential differences between denosumab (DNS) and bisphosphonates (BIS) in terms of bone density and bone metabolism, in a sample of postmenopausal women. METHODS: A total of 113 postmenopausal women aged 53-66 years were treated with either DNS or BIS for 12 months. Bone densitometry and laboratory tests were compared between baseline and follow-up. RESULTS: Femoral neck BMD increased in both treatment-arms (FN-BMD, DNS: 0...
March 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/28249955/clinical-and-biochemical-characteristics-and-bone-mineral-density-of-homozygous-compound-heterozygous-and-heterozygous-carriers-of-three-novel-igfals-mutations
#16
Emregül Işık, Belma Haliloglu, Jaap Van Doorn, Huseyin Demirbilek, Sitha A Scheltinga, Monique Losekoot, Jan M Wit
OBJECTIVE: Acid Labile Subunit (ALS) deficiency (ACLSD), caused by homozygous or compound heterozygous IGFALS mutations, is associated with moderate short stature, delayed puberty, low serum IGF-I and ALS and extremely low serum IGFBP-3. The effect on birth weight, head circumference, bone mineral density (BMD), serum IGF-II and IGFBP-2 is uncertain, as well as the phenotype of heterozygous carriers of IGFALS mutations (partial ACLSD). DESIGN: From all available members of five Turkish families, carrying three novel mutations in exon 2 of IGFALS (c...
March 1, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28228779/a-retrospective-study-on-screening-and-management-of-osteoporosis-in-breast-cancer-women-treated-with-aromatase-inhibitors-in-libya
#17
Hanan Saaddedin Abushwereb, M Elhabash, S Elhamshari, H Eshaefi
Negative health effects of aromatase inhibitors (AI) treatments on bones such as osteoporosis are evidenced. This impact of the aromatase inhibitors on bone. This study aimed to improve the medical assistance given to patients under AI treatment to minimize secondary osteoporosis. Fifty Libyan postmenopausal women treated with AI to fight breast cancer were selected from attendants Tripoli Medical Center (TMC), Oncology Department during year 2014. A closed questionnaire was requested from each women including data about age, age at AI therapy, and types of AI, age at bone densitometry measurement, onset and symptoms of osteoporosis, treatment of osteoporosis and measurement of vitamin D and calcium supplement given...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28225873/alert-for-bone-alterations-and-low-serum-concentrations-of-vitamin-d-in-patients-with-intestinal-inflammatory-disease
#18
Lorete Maria da Silva Kotze, Carolina Tabata Costa, Murilo Franco Cavassani, Renato Mitsunori Nisihara
BACKGROUND: Inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are characterized by chronic inflammation of the intestine that can reduce the absorption of nutrients such as vitamin D and calcium. OBJECTIVE: To investigate bone alterations and serum levels of vitamin D in patients with IBD. METHOD: This was a cross-sectional study based on a review of medical records of patients from a private office in Curitiba, PR, Brazil...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28223125/different-doses-of-strontium-ranelate-and-mechanical-vibration-modulate-distinct-responses-in-the-articular-cartilage-of-ovariectomized-rats
#19
A G H Mierzwa, J F Campos, M F Jesus, H B Nader, M Lazaretti-Castro, R D Reginato
OBJECTIVE: To investigate the effects of different strontium ranelate (SrR) doses alone or in combination with low-intensity and high-frequency mechanical vibration (MV) on articular cartilage in ovariectomized rats. DESIGN: Fifty 6-month-old female Wistar rats underwent ovariectomy (OVX) and after 3 months were divided into: control group (Control); SrR 300 mg/kg/day (SrR300); SrR 625 mg/kg/day (SrR625); MV; SrR 625 mg/kg/day plus MV (SrR625 + MV). The vehicle and the SrR were administered by gavage 7 days/week and vibration (0...
February 20, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28221141/-etiopathogenic-factors-of-the-different-types-of-urinary-litiasis
#20
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
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