Document Detail

Assessment of total body potassium in healthy Italian men.
MedLine Citation:
PMID:  15513689     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Whole-body (40)K counting is a valuable tool for assessing cellular changes in body composition with ageing. AIM: The objectives of this study were to assess total body potassium (TBK) and body cell mass (BCM) differences with age, and to compare TBK and BCM between individuals with a body mass index (BMI) < 25 kg m(-2) versus > 25 kg m(-2). SUBJECTS AND METHODS: Body composition of 840 healthy Italian men, 18-70 years of age, was measured by whole-body counting of (40)K. BCM (kg) was calculated as 0.00833 x TBK (mmol). RESULTS: Body weight did not differ among groups. TBK, TBK/height, TBK/body weight, and BCM were significantly lower for the 51-70-year-old group compared with all other groups. The 51-70-year-old group with a BMI < 25 kg m(-2) had significantly lower TBK, TBK/height, and BCM than all other decades with a BMI < 25 kg m(-2); whereas TBK/body weight was significantly lower than the 18-30 and 31-40-year-old groups. The 51-70-year-old group with a BMI > 25 kg m(-2) had significantly lower TBK, TBK/height, TBK/body weight, and BCM than all other decades with a BMI > 25 kg m(-2). CONCLUSION: TBK and BCM decrease significantly with ageing, which could result in decreased functional capacity in older adults.
A De Lorenzo; A Andreoli; P Battisti; N Candeloro; S L Volpe; N Di Daniele
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of human biology     Volume:  31     ISSN:  0301-4460     ISO Abbreviation:  Ann. Hum. Biol.     Publication Date:    2004 Jul-Aug
Date Detail:
Created Date:  2004-10-29     Completed Date:  2005-03-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404024     Medline TA:  Ann Hum Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  381-8     Citation Subset:  IM    
Human Nutrition Unit, Via Montpellier 1, University of Rome Tor Vergata, 00173 Rome, Italy.
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MeSH Terms
Aging / metabolism*
Body Composition / physiology*
Body Height / physiology
Body Mass Index
Body Weight / physiology
Cohort Studies
Middle Aged
Potassium / metabolism*
Reg. No./Substance:

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