Neonatal Water and Electrolyte Metabolism

Costarino, Andrew T.; Baumgart, Stephen

doi:10.1007/978-1-4612-1642-1_46

Cited by 6 publications

(3 citation statements)

References 175 publications

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“…The fluid volume per kg body weight is higher in newborns than in older patients [ 4 ]. Contributing factors for this are renal immaturity (diminished ability to concentrate urine resulting in increased urine volume) [ 5 ], higher energy expenditure , greater body surface area compared to body volume and epidermis immaturity resulting in high insensible perspiration [ 6 ]. The regulatory mechanisms in the water and electrolyte balance are reduced in comparison to adults due to renal immaturity.…”

Section: Physiological Principlesmentioning

confidence: 99%

Neonatology/Paediatrics – Guidelines on Parenteral Nutrition, Chapter 13

Fusch

Bauer²,

Böhles³

et al. 2009

GMS German Medical Science; 7:Doc15; ISSN 1612-3174

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Section: Physiological Principlesmentioning

confidence: 99%

Neonatology/Paediatrics – Guidelines on Parenteral Nutrition, Chapter 13

Fusch

Bauer²,

Böhles³

et al. 2009

GMS German Medical Science; 7:Doc15; ISSN 1612-3174

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“…Investigators estimate that approximately 10-15% of PTNBs in intensive care show some type of possible neurological morbidity related to plasma hyperosmolality, with a risk of peri-and intraventricular hemorrhage (Agren et al, 2003;Lorenz, 2003). Though TEWL is related more to the body surface area than to weight, clinicians use weight more widely to assess the condition than surface area because weight is easier to measure on a daily basis (Costarino & Baumgart, 2000).…”

mentioning

confidence: 99%

Effects of the Use of Semipermeable Membranes on Fluid Loss in Low-Birth-Weight Premature Newborns

Gurgel

Lopes

Caetano

et al. 2011

Biological Research For Nursing

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Studies have shown that the application of semipermeable membranes to the skin of premature newborns (NBs) can aid in protecting the skin, reduce disturbances in fluid and electrolyte levels, and decrease neonatal mortality. The aim of this study was to verify the effect of using semipermeable membranes in low-birth-weight preterm newborns (PTNBs). A randomized controlled trial was carried out in the neonatal intensive care unit (NICU) with 42 NBs split evenly into an intervention group (IG), in which semipermeable membranes were used to cover large areas of the skin for the first 7 days of life, and a control group (CG), which received normal care. The variables investigated for the study were weight, hydration status, urinary density, glycemic control, sodium concentration, and daily hydration quota. The following variables displayed significant daily variation: weight, hydration quota, and sodium concentration. Statistically significant individual effects by day and by group were found only for sodium concentration. In the overall analysis of the intersubject effects, sodium concentration, alone, proved to be significant (p = .055). Significant effects by group in relation to the sodium concentration were found, with the IG showing a lower average sodium concentration than the CG. Thus, the use of semipermeable membranes reduced fluid loss in premature NBs in the current study, confirming the findings of previous studies. Guidelines for practice may now be warranted.

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“…Der Flüssigkeitsumsatz pro kg Körpergewicht ist bei Neugebore− nen höher als bei älteren Patienten [4]. Hierzu tragen die Unreife der Niere (verminderte Konzentrationsfähigkeit, dadurch größe− res Urinvolumen) [5], der höhere Energieumsatz, die größere Körperoberfläche im Vergleich zum Körpervolumen und die Un− reife der Epidermis mit daraus resultierender hoher Perspiratio insensibilis bei [6]. Die Regulationsmechanismen des Wasser− und Elektrolythaushaltes sind durch die Unreife der Niere im Vergleich zum Erwachsenen vermindert.…”

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