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Related Concept Videos

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding01:15

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Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
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Methods for Studying Drug Absorption: In vitro01:16

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In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
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In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
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Enteral Nutrition I: Orogastric and Nasogastric Feeding01:26

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Enteral nutrition delivers nutrients directly to the stomach or small intestine through a tube. This method is appropriate for patients who cannot eat but still have a functioning digestive system. It is also beneficial for individuals with swallowing difficulties, anorexia, malabsorption, or those who have undergone gastrointestinal (GI) surgery.
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Drug absorption involves the movement of drugs from the point of administration into the systemic circulation. Initially, Gastrointestinal (GI) motility propels the drug through the digestive tract and into the stomach. However, the stomach's high acidity and limited surface area restrict its role in drug absorption for most drugs. The drug then moves from the stomach to the small intestine via gastric emptying, which can be slowed by various factors, including interactions with other...
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The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
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Updated: Mar 22, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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Enteral approaches in malabsorption.

Yaron Avitzur1, Glenda Courtney-Martin2

  • 1Research Institute, The Hospital for Sick Children, Toronto, Canada; Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, Canada; Transplant Centre, The Hospital for Sick Children, University of Toronto, Toronto, Canada; Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Canada.

Best Practice & Research. Clinical Gastroenterology
|April 19, 2016
PubMed
Summary
This summary is machine-generated.

Achieving enteral autonomy is key for children with intestinal failure. This review explores enteral nutrition strategies to promote bowel adaptation and reduce parenteral nutrition dependency.

Keywords:
ChildrenEnteral nutritionFormulaG-tubeIntestinal failureJ-tubeShort bowel syndromeSolid food

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Area of Science:

  • Pediatric Gastroenterology
  • Nutritional Science
  • Intestinal Rehabilitation

Background:

  • Enteral autonomy is the primary goal for children with intestinal failure.
  • Short bowel syndrome necessitates effective management strategies.
  • Parenteral nutrition dependency poses significant challenges.

Purpose of the Study:

  • To review current evidence and practice recommendations for enteral nutrition in short bowel syndrome.
  • To provide a practical framework for managing pediatric intestinal failure.
  • To highlight areas needing further research.

Main Methods:

  • Comprehensive literature review of physiological principles and clinical evidence.
  • Analysis of current practices in enteral nutrition delivery and composition.
  • Synthesis of expert opinion and center-specific approaches.

Main Results:

  • Enteral nutrition is crucial for physiological development and bowel adaptation.
  • Optimal enteral feeding methods, nutrient types, and timing remain debated.
  • Lack of high-quality human data impacts evidence-based practice.

Conclusions:

  • Enteral nutrition strategies are vital for weaning from parenteral nutrition.
  • Further collaborative, high-quality clinical trials are essential.
  • A standardized, evidence-based approach to enteral nutrition is needed.