نتایج جستجو برای: bioelectrical impedance

تعداد نتایج: 36435  

Journal: :iranian journal of basic medical sciences 0
satish kumar department of physiology, yenepoya medical college, deralakatte, mangalore-575018. karnataka, india aswini dutt department of physiology, yenepoya medical college, deralakatte, mangalore-575018. karnataka, india sandhya hemraj department of radiology, yenepoya medical college, deralakatte, mangalore-575018. karnataka, india shankar bhat department of physiology, yenepoya medical college, deralakatte, mangalore-575018. karnataka, india bhat manipadybhima department of physiology, yenepoya medical college, deralakatte, mangalore-575018. karnataka, india

objective(s)bioelectrical impedance is the measure of impedance of the body. impedance consists of electric resistance and reactance. phase angle (pa) is the tan value of the ratio of reactance versus electric resistance. pa depends on cell membrane integrity and on body cell mass. there exists a correlation between pa values and body cell mass.the objective of this study was to compare the pa ...

Journal: :Critical care medicine 2002
Nobuaki Shime Hiromi Ashida Eiichi Chihara Kyoko Kageyama Yuko Katoh Masaaki Yamagishi Yoshifumi Tanaka

OBJECTIVE To investigate whether perioperative changes in bioelectrical impedance reflect the severity of illness in pediatric patients after heart surgery. DESIGN Prospective, controlled study. SETTING University-affiliated children's hospital. PATIENTS A total of 107 patients admitted to a pediatric intensive care unit after congenital heart surgery. INTERVENTIONS None. MEASUREMENTS...

Journal: :iranian journal of diabetes and obesity 0
mohammad javad shekari-ardekani assistant professor of sport's medicine, shahid beheshti university, tehran, iran mohammad afkhami-ardekani professor of endocrinology, yazd diabetes research center, shahid sadoughi university of medical sciences, yazd, iran mehrshad poorsaid isfahani assistant professor of sport's medicine, shahid beheshti university, tehran, iran shahzad khosravi assistant professor of sport's medicine, shahid beheshti university, tehran, iran

objective: nowadays the value of bioelectrical impedance analysis (bia) in the estimation of body adiposity both on a clinical basis in the individual and epidemiologically in large populations is of great interest. the current study determine accuracy of bia compared with body mass index (bmi) measurement for estimating body composition in a group of normal weight employee women with a sedenta...

Journal: :Dynamic medicine : DM 2003
Fredric Goss Robert Robertson Allison Williams Kathy Sward Kristi Abt Melissa Ladewig Jeffrey Timmer Curt Dixon

BACKGROUND: This field-based investigation examined the congruence between skinfolds and bioelectrical impedance in assessing body composition in children. METHODS: Subjects were 162 female and 160 male children 10-15 years of age. Skinfold measures obtained at the triceps and medial calf and a leg-to-leg bioelectrical impedance system were used to determine percent fat using child-specific equ...

Journal: :European Journal of Clinical Nutrition 2013

Journal: :Jornal de pediatria 2007
Rômulo A Fernandes Clara S C Rosa Camila Buonani Arli R de Oliveira Ismael F Freitas Júnior

OBJECTIVE To analyze bioelectrical impedance performance in detecting the presence of excess visceral fat and overweight/obesity in young Brazilians and how its values are related with them. METHODS Study sample consisted of 811 adolescents of both genders (11 to 17 years of age). Nutritional status was determined based on triceps skinfold thickness (TSF), relative body fat (bioelectrical imp...

2015
Matthias Daniel Zink Sören Weyer Karolin Pauly Andreas Napp Michael Dreher Steffen Leonhardt Nikolaus Marx Patrick Schauerte Karl Mischke

BACKGROUND Bioelectrical impedance spectroscopy is applied to measure changes in tissue composition. The aim of this study was to evaluate its feasibility in measuring the fluid shift after thoracentesis in patients with pleural effusion. METHODS 45 participants (21 with pleural effusion and 24 healthy subjects) were included. Bioelectrical impedance was analyzed for "Transthoracic," "Foot to...

Aswini Dutt Bhat Manipadybhima Sandhya Hemraj, Satish Kumar, Shankar Bhat

Objective(s)Bioelectrical impedance is the measure of impedance of the body. Impedance consists of electric resistance and reactance. Phase angle (PA) is the tan value of the ratio of reactance versus electric resistance. PA depends on cell membrane integrity and on body cell mass. There exists a correlation between PA values and body cell mass.The objective of this study was to compare the PA ...

2017
Kanako Fujii Akiko Ishizaki Ayano Ogawa Takuya Asami Hyosong Kwon Akinobu Tanaka Noboru Sekiya Shouji Hironaka

[Purposes] Although it is recommended to develop a habit of physical activities, there is no easy way to measure skeletal muscle mass in preschool children, which cause the difficulty of evaluation. The purpose of this study was to examine the validity of body composition including the skeletal muscle mass assessment using multi-frequency bioelectrical impedance analysis by comparing body fat m...

Journal: :The journal of nutrition, health & aging 2012
K Pfrimer J C Moriguti N K C Lima J S Marchini E Ferriolli

BACKGROUND There is no consensus regarding the accuracy of bioimpedance for the determination of body composition in older persons. OBJECTIVE This study aimed to compare the assessment of lean body mass of healthy older volunteers obtained by the deuterium dilution method (reference) with those obtained by two frequently used bioelectrical impedance formulas and one formula specifically devel...

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