{"title":"Validation of a portable indirect calorimeter (Metavine) for measuring energy expenditure in an elderly population.","authors":"Masahiko Kato, Masahiro Tajika, Yoshiyuki Miwa, Hisataka Moriwaki","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>1. The aim of the present study was to evaluate the usefulness and reliability of a portable indirect calorimeter (Metavine; Vine, Tokyo, Japan). 2. We measured energy expenditure (EE) of elderly people (n = 191) at nursing homes using both Metavine and an authorized indirect calorimeter (Deltatrac Metabolic Monitor; Datex, Helsinki, Finland) and compared them. 3. Energy expenditure measured by Metavine significantly correlated with EE measured by the Deltatrac Metabolic Monitor (P < 0.001). 4. In particular, Metavine gave almost same results as the Deltatrac Metabolic Monitor, showing an excellent reliability, within the range of EE from 800 to 1500 kcal/day. However EE measured by Metavine below 800 kcal/day or above 1500 kcal/day required correction to agree with EE as measured by the Deltatrac Metabolic Monitor. 5. In conclusion, Metavine is a useful portable calorimeter for measuring EE in elderly people when used with sufficient recognition of its characteristics of data acquisition.</p>","PeriodicalId":75710,"journal":{"name":"Clinical and experimental pharmacology & physiology. Supplement","volume":" 29","pages":"S9-12"},"PeriodicalIF":0.0000,"publicationDate":"2002-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Clinical and experimental pharmacology & physiology. Supplement","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
1. The aim of the present study was to evaluate the usefulness and reliability of a portable indirect calorimeter (Metavine; Vine, Tokyo, Japan). 2. We measured energy expenditure (EE) of elderly people (n = 191) at nursing homes using both Metavine and an authorized indirect calorimeter (Deltatrac Metabolic Monitor; Datex, Helsinki, Finland) and compared them. 3. Energy expenditure measured by Metavine significantly correlated with EE measured by the Deltatrac Metabolic Monitor (P < 0.001). 4. In particular, Metavine gave almost same results as the Deltatrac Metabolic Monitor, showing an excellent reliability, within the range of EE from 800 to 1500 kcal/day. However EE measured by Metavine below 800 kcal/day or above 1500 kcal/day required correction to agree with EE as measured by the Deltatrac Metabolic Monitor. 5. In conclusion, Metavine is a useful portable calorimeter for measuring EE in elderly people when used with sufficient recognition of its characteristics of data acquisition.
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