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Bioelectrical imped...
Bioelectrical impedance spectroscopy in growth hormone-deficient adults.
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- Tengvall, Marja, 1982 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för klinisk näringslära,Institute of Medicine, Department of Clinical Nutrition,University of Gothenburg
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- Ellegård, Lars, 1958 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för klinisk näringslära,Institute of Medicine, Department of Clinical Nutrition,University of Gothenburg
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- Bosaeus, Niklas, 1982 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för klinisk näringslära,Institute of Medicine, Department of Clinical Nutrition,University of Gothenburg
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- Isaksson, Mats, 1961 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiofysik,Institute of Clinical Sciences, Department of Radiation Physics,University of Gothenburg
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- Johannsson, Gudmundur, 1960 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin,Institute of Medicine, Department of Internal Medicine,University of Gothenburg
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- Bosaeus, Ingvar, 1950 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för klinisk näringslära,Institute of Medicine, Department of Clinical Nutrition,University of Gothenburg
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(creator_code:org_t)
- 2009-11-26
- 2010
- Engelska.
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Ingår i: Physiological measurement. - : IOP Publishing. - 1361-6579 .- 0967-3334. ; 31:1, s. 59-75
- Relaterad länk:
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http://dx.doi.org/10...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This study evaluated water compartment assessment by bioelectrical impedance spectroscopy (BIS) by Xitron 4000B in 164 growth hormone-deficient adults on growth hormone replacement therapy, examined the assumed constant body density and gender-specific resistivities in BIS methodology and evaluated a published BMI-adjusted BIS equation. Body composition was measured by BIS, total body potassium (TBK), tritium dilution and dual-energy x-ray absorptiometry (DXA). Tritium dilution and TBK were combined to a reference method for water compartments. Average difference for total body water (TBW) by tritium dilution and by BIS was 0.6 l in women (p > 0.05) and -0.2 l in men (p > 0.05). Average extracellular water (ECW) by the reference method and by BIS differed 1.5 l in women (p < 0.05) and 1.2 l in men (p < 0.05). Average intracellular water (ICW) by the reference method and by BIS differed -0.9 l in women (p < 0.05) and -1.3 l in men (p < 0.05). However, average ECW and ICW could be successfully estimated by BIS with use of unisex resistivity constants that were derived from this population, although with large individual variation. Average individual body density was lower than assumed. Application of individual body density did not improve agreement between methods. BMI-adjusted equations were not fully accurate in this population.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Nyckelord
- Absorptiometry
- Photon
- Adolescent
- Adult
- Aged
- Aged
- 80 and over
- Body Composition
- Body Water
- Electric Impedance
- Extracellular Fluid
- Female
- Hormone Replacement Therapy
- Human Growth Hormone
- deficiency
- therapeutic use
- Humans
- Intracellular Fluid
- Male
- Middle Aged
- Potassium
- analysis
- Radioisotope Dilution Technique
- Sex Characteristics
- Tritium
- Young Adult
- Adolescent
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas
- Av författaren/redakt...
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Tengvall, Marja, ...
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Ellegård, Lars, ...
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Bosaeus, Niklas, ...
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Isaksson, Mats, ...
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Johannsson, Gudm ...
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Bosaeus, Ingvar, ...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Radiologi och bi ...
- Artiklar i publikationen
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Physiological me ...
- Av lärosätet
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Göteborgs universitet
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Chalmers tekniska högskola