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Updated: May 23, 2026

Rat Burn Model to Study Full-Thickness Cutaneous Thermal Burn and Infection
Published on: August 23, 2022
Burns, metabolism and nutritional requirements
N Mendonça Machado1, A Gragnani, L Masako Ferreira
1Universidade Federal de São Paulo, São Paulo, Brasil.
Indirect calorimetry is crucial for accurate nutritional support in burn patients, as common formulas often overestimate needs. This method ensures safe and adequate energy delivery for recovery.
Area of Science:
- Critical care medicine
- Nutritional science
- Burn management
Background:
- Thermal injury triggers the most significant metabolic response in critically ill patients.
- Numerous formulas exist to estimate nutritional needs in burn patients.
- Indirect calorimetry is the gold standard for measuring energy expenditure.
Purpose of the Study:
- To review nutritional evaluation methods for burn patients.
- To assess energy requirements in this population.
- To compare literature data with clinical practice.
Main Methods:
- Comprehensive literature review.
- Data collection from LILACS, EMBASE, and PubMed databases.
Main Results:
- Hypermetabolism supports immune function, healing, and tissue preservation.
- Body weight is a key indicator for nutritional status assessment.
- Most formulas overestimate needs; indirect calorimetry provides accurate support.
Conclusions:
- Traditional evaluation includes anthropometry, biochemistry, and estimated needs.
- Weight is a practical basis for clinical decisions.
- Indirect calorimetry is essential for safe and effective nutritional support in burn patients.
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