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Related Concept Videos

The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
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Microbial Nutrition01:28

Microbial Nutrition

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Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
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Relative Risk01:12

Relative Risk

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Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
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Factors Affecting the Risk of Infection01:26

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
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Key Elements for Plant Nutrition02:35

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Nutritional support therapy after GLIM criteria may neglect the benefit of reducing infection complications compared with NRS2002: Reanalysis of a cohort study.

Nutrition (Burbank, Los Angeles County, Calif.)·2020
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Management and prevention of refeeding syndrome in medical inpatients: An evidence-based and consensus-supported algorithm.

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Early goal-directed nutrition versus standard of care in adult intensive care patients: the single-centre, randomised, outcome assessor-blinded EAT-ICU trial.

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Assessment of adult malnutrition and prognosis with bioelectrical impedance analysis: phase angle and impedance ratio.

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Related Experiment Video

Updated: Jan 31, 2026

Objective Nociceptive Assessment in Ventilated ICU Patients: A Feasibility Study Using Pupillometry and the Nociceptive Flexion Reflex
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Nutrition risk screening in the ICU.

Jens Kondrup1

  • 1Clinical Nutrition Unit, Copenhagen University Hospital, Rigshospitalet, Denmark.

Current Opinion in Clinical Nutrition and Metabolic Care
|January 3, 2019
PubMed
Summary

Recent studies on intensive care unit (ICU) nutrition support show mixed results. While one trial found no benefit, observational data suggest it may help high-risk patients identified by the nutric score.

Area of Science:

  • Critical Care Medicine
  • Nutritional Support
  • Clinical Nutrition

Background:

  • Identifying intensive care unit (ICU) patients who benefit from nutrition support is crucial.
  • Previous understanding suggested broad benefits of nutrition support in critically ill patients.

Purpose of the Study:

  • To review recent studies to identify ICU patients who may benefit from nutrition support.
  • To evaluate current evidence regarding the efficacy of nutrition support in critical care.

Main Methods:

  • Review of recent controlled trials and observational studies.
  • Analysis of patient selection criteria and outcomes related to nutrition support.

Main Results:

  • A recent controlled trial found no clinical benefit of nutrition support in a sample of ICU patients.

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  • Observational studies indicate potential benefits for patients with a high nutric score, derived from observational data.

    • Conclusions:

    • The decision for nutrition support in ICU patients remains complex, often relying on physiological reasoning.
    • Patient fragility, inflammation, and stress metabolism are key factors influencing the need for and potential benefit of nutrition support.