Body composition, nutrition, and fluid balance during the first two weeks of life in preterm neonates weighing less than 1500 grams

Bauer, Karl; Bovermann, Günter; Roithmaier, Alexander; Götz, Martín; Prölss, A; Versmold, Hans T.

doi:10.1016/s0022-3476(05)83390-6

Cited by 99 publications

(58 citation statements)

References 34 publications

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“…While Ussher and Lind [70] show a very slight decrease over time (R 2 = 0.04), Bauer et al [62] shows a slight increase. Therefore, VP could be assumed to remain essentially constant over time, with an average volume of 47 mL/kg.…”

Section: Fluid Volume Analysismentioning

confidence: 88%

“…A total of 10 studies (n = 18 -32, exception [62] with n = 5) examined typical fluid volumes in preterm neonates with an average study cohort gestation age <33 weeks and birth weight <2kg. Of these, 7 reported ECV values [62][63][64][65][66][67] and 4 reported VP [62,[68][69][70].…”

Section: Fluid Volume Analysismentioning

confidence: 99%

“…Of these, 7 reported ECV values [62][63][64][65][66][67] and 4 reported VP [62,[68][69][70]. Figure 1 shows a significant drop in ECV over the first 1-2 weeks post natal age (PNA), followed by a relative plateau.…”

Section: Fluid Volume Analysismentioning

confidence: 99%

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Insulin kinetics and the Neonatal Intensive Care Insulin–Nutrition–Glucose (NICING) model

Dickson

Pretty

Alsweiler

et al. 2017

Mathematical Biosciences

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Background: Models of human glucose-insulin physiology have been developed for a range of uses, with similarly different levels of complexity and accuracy. STAR (Stochastic Targeted) is a modelbased approach to glycaemic control. Elevated blood glucose concentrations (hyperglycaemia) are a common complication of stress and prematurity in very premature infants, and have been associated with worsened outcomes and higher mortality. This research identifies and validates the model parameters for model-based glycaemic control in neonatal intensive care.

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Section: Fluid Volume Analysismentioning

confidence: 88%

Section: Fluid Volume Analysismentioning

confidence: 99%

See 1 more Smart Citation

Insulin kinetics and the Neonatal Intensive Care Insulin–Nutrition–Glucose (NICING) model

Dickson

Pretty

Alsweiler

et al. 2017

Mathematical Biosciences

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“…Parameters for the assessment of body energy and protein reserves have been developed over the last century 11 . Despite progress and the development of new techniques to assess nutritional status, assessment still remains complicated for the pediatric surgical patient, and a reliable assessment of nutritional status depends on various parameters.…”

Section: Assessment Of Nutritional Statusmentioning

confidence: 99%

Nutrition for the pediatric surgical patient: approach in the peri-operative period

Falcão

Tannuri

2002

Rev. Hosp. Clin.

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Nutrition is essential for maintenance of physiologic homeostasis and growth. Hypermetabolic states lead to a depletion of body stores, with decreased immunocompetence and increased morbidity and mortality. The purpose of this paper is to provide an update regarding the provision of appropriate nutrition for the pediatric surgical patient, emphasizing the preoperative and postoperative periods. Modern nutritional support for the surgical patient comprises numerous stages, including assessment of nutritional status, nutritional requirements, and nutritional therapy. Nutritional assessment is performed utilizing the clinical history, clinical examination, anthropometry, and biochemical evaluation. Anthropometric parameters include body weight, height, arm and head circumference, and skinfold thickness measurements. The biochemical evaluation is conducted using determinations of plasma levels of proteins, including album, pre-albumin, transferrin, and retinol-binding protein. These parameters are subject to error and are influenced by the rapid changes in body composition in the peri-operative period. Nutritional therapy includes enteral and/or parenteral nutrition. Enteral feeding is the first choice for nutritional therapy. If enteral feeding is not indicated, parenteral nutrition must be utilized. In all cases, an individualized, adequate diet (enteral formula or parenteral solution) is obligatory to decrease the occurrence of overfeeding and its undesirable consequences.

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“…Water balance in the preterm infant is of major importance (15). Various studies state that a slightly negative water balance is favorable, because excess fluid can result in patent ductus arteriosus, bronchopulmonary dysplasia, congestive heart failure, and necrotizing enterocolitis (16 -21).…”

Section: Subjectsmentioning

confidence: 99%

Transepidermal Water Loss During Halogen Spotlight Phototherapy in Preterm Infants

et al. 2002

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Among preterm infants there is a relationship between skin blood flow and transepidermal water loss (TEWL). The aim of this study was to assess whether halogen spotlight phototherapy without significant heat stress increases TEWL and affects maintenance fluid requirements in preterm infants. TEWL was measured noninvasively before the start and after 1 h of halogen spotlight phototherapy in a group of preterm infants, nursed in double-walled incubators with moderately high relative humidity. Relative humidity and ambient temperature in the incubator were tightly controlled. Mean Ϯ SD birth weight of the 18 infants was 1412 Ϯ 256 g, gestational age 30.6 Ϯ 1.6 wk, and age at measurement 5 Ϯ 3 d. Nine infants received ventilatory assistance. Relative humidity was 40 -80% (mean 52%). Average TEWL increased from 13.6 to 16.5 g/m 2 /h during phototherapy. These data show that TEWL increases by approximately 20% during phototherapy despite constant skin temperature and relative humidity. Maintenance fluids of preterm infants should be increased by 0.35 mL/kg/h during exposure to halogen spotlight phototherapy. (Pediatr Res 51: 402-405, 2002) Abbreviations H conv , heat exchange through convection H evap , heat exchange through evaporation H rad , heat exchange through radiation H tot , total heat loss RH, relative humidity TEWL, transepidermal water loss T amb , ambient temperature in the incubator T roof , temperature of the incubator roof T skin , skin temperature Phototherapy is a standard therapy for hyperbilirubinemia in the newborn. Although it has proven to be an effective and relatively safe treatment (1), uncertainty still exists about whether phototherapy influences the fluid balance of the infant. Previously, studies on the effect of phototherapy upon insensible water loss reported a range of extra water loss between 0 and well over 100% (2-4). All of these studies were using bank lights.The present study is designed to assess the amount of extra water loss through evaporation during phototherapy, given by the currently used halogen spotlights instead of the older bank lights. Various studies have demonstrated that the radiative energy of the phototherapy lamp increases skin blood flow (5-8). We therefore expect that the heat balance of a newborn infant during phototherapy is affected by heat loss through evaporation. Extra fluid intake will then be necessary. We measured TEWL in 18 preterm infants receiving halogen spotlight phototherapy to examine this hypothesis. METHODS Subjects.All subjects were admitted to the neonatal intensive care unit of the Leiden University Medical Center/the Juliana Children's Hospital for treatment of prematurity and developed nonhemolytic hyperbilirubinemia during their nursery course for which they received phototherapy. Infants selected for this study were born after a gestational age of Ͻ34 wk, appropriate for gestational age, and nursed in a doublewalled incubator (type 8000, Dräger, Lübeck, Germany) in which the RH was at least 40% at the time of the measurements. The infa...

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Body composition, nutrition, and fluid balance during the first two weeks of life in preterm neonates weighing less than 1500 grams

Cited by 99 publications

References 34 publications

Insulin kinetics and the Neonatal Intensive Care Insulin–Nutrition–Glucose (NICING) model

Insulin kinetics and the Neonatal Intensive Care Insulin–Nutrition–Glucose (NICING) model

Nutrition for the pediatric surgical patient: approach in the peri-operative period

Transepidermal Water Loss During Halogen Spotlight Phototherapy in Preterm Infants

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