An attempt to standardize the calculation of growth velocity of preterm infants-evaluation of practical bedside methods
dc.contributor.author | Fenton, Tanis R. | |
dc.contributor.author | Anderson, Diane | |
dc.contributor.author | Groh-Wargo, Sharon | |
dc.contributor.author | Hoyos, Angela | |
dc.contributor.author | Ehrenkranz, Richard A. | |
dc.contributor.author | Senterre, Thibault | |
dc.date.accessioned | 2020-05-15T17:10:09Z | |
dc.date.available | 2020-05-15T17:10:09Z | |
dc.date.issued | 2018 | |
dc.description.abstractenglish | Objective To examine how well growth velocity recommendations for preterm infants fit with current growth references: Fenton 2013, Olsen 2010, INTERGROWTH 2015, and the World Health Organization Growth Standard 2006. Study design The Average (2-point), Exponential (2-point), Early (1-point) method weight-gains were calculated for 1,4,8,12, and 16-week time-periods. Growth references' weekly velocities (g/kg/d, gram/day and cm/week) were illustrated graphically with frequently-quoted 15 g/kg/d, 10-30 grams/day and 1 cm/week rates superimposed. The 15 g/kg/d and 1 cm/week growth velocity rates were calculated from 24-50 weeks, superimposed on the Fenton and Olsen preterm growth charts. Results The Average and Exponential g/kg/d estimates showed close agreement for all ages (range 5.0-18.9 g/kg/d), while the Early method yielded values as high as 41 g/kg/d. All 3 preterm growth references were similar to 15 g/kg/d rate at 34 weeks, but rates were higher prior and lower at older ages. For gram/day, the growth references changed from 10 to 30 grams/day for 24-33 weeks. Head growth rates generally fit the 1 cm/week velocity for 23-30 weeks, and length growth rates fit for 37-40 weeks. The calculated g/kg/d curves deviated from the growth charts, first downward, then steeply crossed the median curves near term. Conclusions Human growth is not constant through gestation and early infancy. The frequently-quoted 15 g/kg/d, 10-30 gram/day and 1 cm/week only fit current growth references for limited time periods. Rates of 15-20 g/kg/d (calculated using average or exponential methods) are a reasonable goal for infants 23-36 weeks, but not beyond. | eng |
dc.format.mimetype | application/pdf | |
dc.identifier.doi | https://doi.org/10.1016/j.jpeds.2017.10.005 | |
dc.identifier.issn | 0022-3476 | |
dc.identifier.uri | https://hdl.handle.net/20.500.12495/2834 | |
dc.language.iso | eng | |
dc.publisher | Elsevier | spa |
dc.publisher.journal | Journal of pediatrics | spa |
dc.relation.ispartofseries | Journal of pediatrics, 0022-3476, Vol 196, 2018, pag 77-83 | spa |
dc.relation.uri | https://www.jpeds.com/article/S0022-3476(17)31346-X/abstract | |
dc.rights.creativecommons | 2018 | |
dc.rights.local | Acceso cerrado | spa |
dc.subject.decs | Recien nacido prematuro | spa |
dc.subject.decs | Feto | spa |
dc.subject.keywords | Infant | spa |
dc.subject.keywords | Premature | spa |
dc.subject.keywords | Weight | spa |
dc.subject.keywords | Head circumference | spa |
dc.subject.keywords | Length | spa |
dc.subject.keywords | Exponential | spa |
dc.title | An attempt to standardize the calculation of growth velocity of preterm infants-evaluation of practical bedside methods | spa |
dc.title.translated | An attempt to standardize the calculation of growth velocity of preterm infants-evaluation of practical bedside methods | spa |
dc.type | article | spa |
dc.type.hasversion | info:eu-repo/semantics/publishedVersion | |
dc.type.local | artículo | spa |
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