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Related Concept Videos

Review and Preview01:10

Review and Preview

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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
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Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
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The Fluid Mosaic Model01:34

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The fluid mosaic model was first proposed as a visual representation of research observations. The model comprises the composition and dynamics of membranes and serves as a foundation for future membrane-related studies. The model depicts the structure of the plasma membrane with a variety of components, which include phospholipids, proteins, and carbohydrates. These integral molecules are loosely bound, defining the cell’s border and providing fluidity for optimal function.
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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Overview of Advanced Functional Groups

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Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
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Related Experiment Video

Updated: Jan 24, 2026

Development of a Neonatal Piglet Acute Lung Injury Model Recreating the Early Environment of Preterm Infant Lungs
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Advancements in research on fluid overload in preterm infants-a narrative review.

Xinyi Liu1,2,3, Shuyue Deng1,2,3, Siyu Chen1,2,3

  • 1Department of Neonatology, Children's Medical Center, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.

Frontiers in Pediatrics
|January 23, 2026
PubMed
Summary

Fluid overload (FO) in preterm infants causes organ dysfunction. Effective management involves monitoring and fluid restriction, diuretics, and albumin for better neonatal outcomes.

Keywords:
adverse outcomefluid overloadmanagement of fluidsmechanismspreterm infant

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Area of Science:

  • Neonatalogy
  • Pediatric Nephrology
  • Critical Care Medicine

Background:

  • Fluid overload (FO) is a significant clinical issue in preterm infants, leading to multiorgan dysfunction and poor outcomes.
  • Understanding the pathophysiology of FO is crucial for improving management strategies in neonates.

Purpose of the Study:

  • To review the pathophysiology, clinical implications, and management of fluid overload in preterm infants.
  • To advance fluid management practices for preterm neonates.

Main Methods:

  • A narrative review of existing literature was conducted.
  • Literature was identified and data extracted based on the research question and inclusion criteria.
  • Studies cited in the review obtained institutional ethics committee approval and informed consent.

Main Results:

  • Pathogenesis of FO involves renal immaturity, skin barrier defects, glycocalyx damage, and hypoalbuminemia.
  • Noninvasive monitoring tools like echocardiography, bioelectrical impedance analysis (BIA), and lung ultrasound are clinically useful.
  • Effective management strategies include fluid restriction, diuretics, and albumin infusion.

Conclusions:

  • Optimizing FO management requires multimodal monitoring and tailored fluid regimens.
  • Future research should focus on refining assessment standards and developing targeted interventions for improved neonatal outcomes.