نتایج جستجو برای: آزمایش dexa

تعداد نتایج: 66974  

2018
Jong-Min Lim Young Joon Lee Hyung-Rae Cho Dong-Chan Park Go-Woon Jung Sae Kwang Ku Jae-Suk Choi

The present study assessed the beneficial skeletal muscle‑preserving effects of extracellular polysaccharides from Aureobasidium pullulans SM‑2001 (Polycan) (EAP) on dexamethasone (DEXA)‑induced catabolic muscle atrophy in mice. To investigate whether EAP prevented catabolic DEXA‑induced muscle atrophy, and to examine its mechanisms of action, EAP (100, 200 and 400 mg/kg) was administered orall...

Journal: :American journal of kidney diseases : the official journal of the National Kidney Foundation 2011
Nazanin Noori Csaba P Kovesdy Rachelle Bross Martin Lee Antigone Oreopoulos Deborah Benner Rajnish Mehrotra Joel D Kopple Kamyar Kalantar-Zadeh

BACKGROUND Lean body mass (LBM) is an important nutritional measure representing muscle mass and somatic protein in hemodialysis patients, for whom we developed and tested equations to estimate LBM. STUDY DESIGN A study of diagnostic test accuracy. SETTING & PARTICIPANTS The development cohort included 118 hemodialysis patients with LBM measured using dual-energy x-ray absorptiometry (DEXA)...

Journal: :Journal of the American Society of Nephrology : JASN 1999
E C van den Ham J P Kooman M H Christiaans F H Nieman B K Van Kreel G A Heidendal J P Van Hooff

Whether multifrequency bioelectrical impedance analysis (MF-BIA), a relatively new method for measuring body composition, is also applicable for accurate body composition measurements in renal transplant (RTx) patients is not known. Therefore, the use of MF-BIA is validated in 77 RTx patients with a stable renal function at least 2 yr posttransplantation. MF-BIA is compared to isotope dilution ...

Journal: :Journal of the American Podiatric Medical Association 2007
Jacqueline R Cryer Simon J Otter Catherine J Bowen

BACKGROUND Patients with rheumatoid arthritis are recognized as being at risk for osteoporosis as a result of the disease process as well as the medication used to treat it. This study was conducted to consider the use of calcaneal scanning with quantitative ultrasound-contact ultrasound bone analysis (CUBA)-to diagnose osteoporosis in patients with rheumatoid arthritis. METHODS Forty-six pat...

2017
Charlotte R. Bjørnvad Mie E. Nielsen Susanna E. M. Hansen Dorte H. Nielsen

Dual-energy X-ray absorptiometry (DEXA) has been used to assess body composition in dogs and cats in several studies, but studies are difficult to compare for several reasons. The aim of the present study was to evaluate whether positioning of dogs or cats in either dorsal or ventral recumbency during DEXA scanning influences results. Dogs and cats that were brought to the University Hospital f...

Journal: :Journal of applied physiology 2007
Luciana Gomes Menezes Cláudia Sobreira Luciano Neder Antonio Luis Rodrigues-Júnior José A Baddini Martinez

The objective of the present study was to investigate whether creatine (Cr) could attenuate the deleterious effects of high doses of dexamethasone (Dexa) on body mass, exercise performance, and respiratory variables of rodents. Forty-four Wistar rats performed incremental maximal exercise tests. They were then assigned to four groups: G1: subcutaneous (s.c.) and intraperitoneal (i.p.) saline; G...

Journal: :Endocrinology 1998
C Jux K Leiber U Hügel W Blum C Ohlsson G Klaus O Mehls

Growth depression as a side effect of glucocorticoid therapy in childhood is partially mediated by alterations of the somatotropic hormone axis. The mechanisms of interaction between glucocorticoids and somatotropic hormones on the cellular and molecular level are poorly understood. In an experimental model of primary cultured rat growth plate chondrocytes, basal as well as GH (40 ng/ml) or ins...

2018
Xinyan Bi Yi Ting Loo Christiani Jeyakumar Henry

Few studies have been conducted to measure body composition in Asian populations. In this study, we determined the percent body fat (PBF) by using dual-energy X-ray absorptiometry (DEXA), air-displacement plethysmography (ADP or BOD POD), bioelectrical impedance analysis (BIA) and skinfold (SKF) in 445 healthy Singaporean adults. We observed that the BOD POD, BIA and SKF estimates of PBF were h...

2014
Lin Wang Stanley Sai-chuen Hui Stephen Heung-sang Wong

BACKGROUND The current study aimed to examine the validity of various published bioelectrical impedance analysis (BIA) equations in estimating FFM among Chinese children and adolescents and to develop BIA equations for the estimation of fat-free mass (FFM) appropriate for Chinese children and adolescents. MATERIAL/METHODS A total of 255 healthy Chinese children and adolescents aged 9 to 19 ye...

2017

25-hydroxyvitamin-D (25[OH]D) and Dual-energy x-ray Background absorptiometry (DEXA) are routinely evaluated in bone health clinics, but existing literature is conflicting with regard to whether these factors predict fragility fractures. We hypothesized that both serum 25(OH)D levels and bone density are lower in patients who have sustained fragility fracture(s) prior to initial presentation co...

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