{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T10:37:52Z","timestamp":1776681472805,"version":"3.51.2"},"reference-count":25,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2017,7,16]],"date-time":"2017-07-16T00:00:00Z","timestamp":1500163200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["P30\u2010DK\u201026687"],"award-info":[{"award-number":["P30\u2010DK\u201026687"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["UL1 TR000040"],"award-info":[{"award-number":["UL1 TR000040"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Obesity"],"published-print":{"date-parts":[[2017,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>The precision and accuracy of a quantitative magnetic resonance (EchoMRI Infants) system in newborns were determined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Canola oil and drinking water phantoms (increments of 10 g to 1.9 kg) were scanned four times. Instrument reproducibility was assessed from three scans (within 10 minutes) in 42 healthy term newborns (12\u201070 hours post birth). Instrument precision was determined from the coefficient of variation (CV) of repeated scans for total water, lean mass, and fat measures for newborns and the mean difference between weight and measurement for phantoms. In newborns, the system accuracy for total body water (TBW) was tested against deuterium dilution (D<jats:sub>2<\/jats:sub>O).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In phantoms, the repeatability and accuracy of fat and water measurements increased as the weight of oil and water increased. TBW was overestimated in amounts\u2009&gt;200\u2009g. In newborns weighing 3.14\u2009kg, fat, lean mass, and TBW were 0.52\u2009kg (16.48%), 2.28\u2009kg, and 2.40\u2009kg, respectively. EchoMRI's reproducibility (CV) was 3.27%, 1.83%, and 1.34% for total body fat, lean mass, and TBW, respectively. EchoMRI\u2010TBW values did not differ from D<jats:sub>2<\/jats:sub>O; mean difference, \u22121.95\u2009\u00b1\u20096.76%, <jats:italic>P\u2009<\/jats:italic>=\u20090.387; mean bias (limits of agreement), 0.046\u2009kg (\u22120.30 to 0.39\u2009kg).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The EchoMRI Infants system's precision and accuracy for total body fat and lean mass are better than established techniques and equivalent to D<jats:sub>2<\/jats:sub>O for TBW in phantoms and newborns.<\/jats:p><\/jats:sec>","DOI":"10.1002\/oby.21918","type":"journal-article","created":{"date-parts":[[2017,7,16]],"date-time":"2017-07-16T13:32:33Z","timestamp":1500211953000},"page":"1577-1583","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Reliability of the EchoMRI Infants System for Water and Fat Measurements in Newborns"],"prefix":"10.1002","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4153-3316","authenticated-orcid":false,"given":"Tatiana","family":"Toro\u2010Ramos","sequence":"first","affiliation":[{"name":"New York Obesity Nutrition Research Center Department of Medicine, Columbia University New York New York USA"},{"name":"Institute of Human Nutrition Columbia University New York New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles","family":"Paley","sequence":"additional","affiliation":[{"name":"New York Obesity Nutrition Research Center Department of Medicine, Columbia University New York New York USA"},{"name":"Department of Pediatrics Mount Sinai\u2010Roosevelt Hospital New York New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William W.","family":"Wong","sequence":"additional","affiliation":[{"name":"USDA\/ARS Children's Nutrition Research Center, Baylor College of Medicine Houston Texas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F. Xavier","family":"Pi\u2010Sunyer","sequence":"additional","affiliation":[{"name":"New York Obesity Nutrition Research Center Department of Medicine, Columbia University New York New York USA"},{"name":"Institute of Human Nutrition Columbia University New York New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wen W.","family":"Yu","sequence":"additional","affiliation":[{"name":"New York Obesity Nutrition Research Center Department of Medicine, Columbia University New York New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John","family":"Thornton","sequence":"additional","affiliation":[{"name":"New York Obesity Nutrition Research Center Department of Medicine, Columbia University New York New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1769-9754","authenticated-orcid":false,"given":"Dympna","family":"Gallagher","sequence":"additional","affiliation":[{"name":"New York 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