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Trace elements in parenteral micronutrition

F Y Leung1

  • 1Department of Laboratory Medicine, University Hospital, London, Ontario, Canada.

Clinical Biochemistry
|December 1, 1995
PubMed
Summary
This summary is machine-generated.

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Essential trace metals like chromium, copper, and zinc are crucial for preventing deficiencies in parenteral nutrition. Monitoring these nutrients is vital for patient safety, especially in infants and those on long-term total parenteral nutrition (TPN).

Area of Science:

  • Clinical Nutrition
  • Trace Element Metabolism
  • Parenteral Therapy

Background:

  • Total parenteral nutrition (TPN) is a life-sustaining therapy for patients unable to absorb nutrients orally.
  • The precise requirements for essential trace metals in TPN have evolved, necessitating updated guidelines.
  • Potential contamination of TPN solutions with trace metals like aluminum and chromium poses a risk.

Purpose of the Study:

  • To provide an updated overview of essential trace metals required for total parenteral nutrition.
  • To highlight the importance of monitoring trace metal levels in patients receiving TPN.

Main Methods:

  • Review of current literature and clinical guidelines on trace metal requirements in TPN.
  • Analysis of potential sources of trace metal contamination in parenteral solutions.

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Main Results:

  • Essential trace metals include chromium, copper, manganese, molybdenum, selenium, and zinc.
  • These metals are critical for preventing deficiency syndromes in TPN patients.
  • Monitoring is recommended even for short-term TPN to prevent deficiency or toxicity.

Conclusions:

  • Regular monitoring of essential trace metals is crucial for patients on TPN.
  • Particular attention is needed for infants and individuals on long-term TPN due to increased risk.
  • Awareness of potential contamination in TPN components is essential for safe administration.