Related Experiment Video
Updated: Jun 19, 2026

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
Published on: September 20, 2019
Iron and parenteral nutrition
1University College, London, United Kingdom. a.forbes@ucl.ac.uk
Parenteral nutrition (PN) requires careful iron management. This study clarifies iron delivery needs for various patient groups, emphasizing individualized dosing and monitoring to ensure adequate iron status.
Area of Science:
- Nutritional Science
- Trace Element Metabolism
Background:
- Iron is essential, but its assessment and delivery in parenteral nutrition (PN) remain unclear.
- Acute illness may reduce iron needs, yet blood loss and deficiency risk necessitate maintaining basal delivery levels.
- Emerging data challenge the presumed safety of iron delivery in PN.
Purpose of the Study:
- To clarify iron status assessment and delivery guidelines for patients on PN.
- To establish appropriate elemental iron dosages for different patient demographics on PN.
- To highlight the importance of monitoring iron status in PN patients.
Main Methods:
- Review of existing evidence on iron requirements and metabolism in the context of PN.
- Analysis of specific iron needs based on physiological states (menstruation, pregnancy, lactation, growth).
- Dose recommendations derived from evidence favoring intravenous administration.
Main Results:
- Adult men and postmenopausal women require approximately 1 mg of elemental iron daily.
- Menstruating women need 1.5 mg/d, while pregnant or lactating women require 2.0 mg/d.
- Growing children necessitate a calibrated response, and all patients require ongoing iron status monitoring.
Conclusions:
- Iron is a critical component for most PN regimens.
- Individualized iron quantities in PN should align with predicted requirements and specific patient needs.
- Standardized monitoring and adjusted dosing are crucial for optimizing iron status in PN patients.
Related Concept Videos
Parentral Nutrition: Centeral and Peripheral Parental Nutrition
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 Feeding
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube through...
Enteral Nutrition I: Orogastric and Nasogastric Feeding
Orogastric (OG) and nasogastric (NG) feeding are two standard methods used for enteral nutrition. Enteral nutrition is often preferred over...
Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices
Routes of Drug Administration: Parenteral
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...
Drug Delivery: Parenteral Route
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...
