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Related Concept Videos

Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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,...
Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding01:15

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding

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.
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube through...
Enteral Nutrition I: Orogastric and Nasogastric Feeding01:26

Enteral Nutrition I: Orogastric and Nasogastric Feeding

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.
Orogastric (OG) and nasogastric (NG) feeding are two standard methods used for enteral nutrition. Enteral nutrition is often preferred over...
Drug Delivery: Parenteral Route01:29

Drug Delivery: Parenteral Route

The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
Routes of Drug Administration: Parenteral01:25

Routes of Drug Administration: Parenteral

The administration of drugs via parenteral routes allows for direct drug introduction into the systemic circulation, resulting in high bioavailability because the medication bypasses the harsh conditions of the gastrointestinal tract and hepatic metabolism.
The intravenous route (IV) of drug administration can be further categorized into two types. The bolus injection administers the entire dose rapidly, while an intravenous infusion slowly delivers smaller doses steadily.
The IV route is often...
Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices01:28

Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices

Parenteral drug delivery systems play a crucial role in modern therapeutics by enabling the direct administration of drugs into the systemic circulation, bypassing the gastrointestinal tract. These systems are particularly valuable for poorly absorbed oral medications that are unstable in the digestive environment or require rapid onset or sustained therapeutic levels. Delivery is achieved through intravenous, intramuscular, or subcutaneous routes, each selected based on the drug's properties...

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A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
04:53

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition

Published on: September 20, 2019

Parenteral nutrition.

Ronan Thibault, Claude Pichard

    World Review of Nutrition and Dietetics
    |October 19, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Parenteral nutrition (PN) can improve outcomes for intensive care unit (ICU) patients when used judiciously. Supplemental PN, combined with enteral nutrition, helps prevent energy deficits and preserve muscle mass.

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    Area of Science:

    • Critical Care Medicine
    • Nutritional Support
    • Metabolic Disorders

    Background:

    • Parenteral nutrition (PN) involves intravenous delivery of nutrients.
    • Early PN use was linked to increased mortality and infections due to hyperglycemia and overfeeding.
    • Enteral nutrition (EN) became standard in ICUs but often provides insufficient energy, leading to deficits and worse outcomes.

    Purpose of the Study:

    • To evaluate the role of PN in ICU nutritional management.
    • To explore strategies for preventing complications associated with PN.
    • To assess the benefit of supplemental PN in combination with EN.

    Main Methods:

    • Review of early studies on PN and its complications.
    • Analysis of the limitations of EN alone in ICU patients.
    • Evaluation of protocols for safe and effective PN administration.
    • Assessment of supplemental PN (combination of PN and EN) in patients with significant energy deficits.

    Main Results:

    • Detrimental effects of early PN were attributed to hyperglycemia and overfeeding.
    • EN alone often leads to insufficient energy and protein-energy deficits.
    • PN complications can be prevented with trained teams, protocols, and appropriate timing (not within the first 2 days).
    • Supplemental PN from day 4 improved outcomes compared to EN alone in patients with >40% energy deficit.

    Conclusions:

    • PN should be used cautiously in ICUs, only when indicated and with strict protocols.
    • Optimizing energy delivery, glucose control, and timing are crucial for safe PN.
    • Supplemental PN can prevent worsening energy deficits, preserve lean body mass, and reduce undernutrition complications in ICU patients.