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Energy expenditure in critically ill surgical patients. Comparative analysis of predictive equation and indirect calorimetry.
Acta Cir Bras. 2011; 26 Suppl 2:51-6.AC

Abstract

PURPOSE

The aim of this investigation was to compare the resting energy expenditure (REE) calculated by the Harris-Benedict equation (REE HB) with the REE measured by indirect calorimetry (REE IC) in critically ill surgical patients under mechanical ventilation.

METHODS

Thirty patients were included in this work. REE was calculated by the Harris-Benedict equation (REE HB) using real body weight, and it was also measured by indirect calorimetry (REE IC), which was performed for 30 minutes.

RESULTS

REE HB had significant (p < 0.0005) but low correlation (Spearman r = 0.57) with REE IC, with a mean bias of 12 kcal.d-1 and limits of agreement ranging from - 599.7 to 623.7 kcal.d-1 as detected by the Bland-Altman analysis.

CONCLUSION

These findings suggest that REE IC seems to be more appropriate than REE HB for accurate measurement of REE in critically ill surgical patients under mechanical ventilation.

Authors+Show Affiliations

Department of Surgery and Anatomy, FMRP, USP, Ribeirao Preto, SP, Brazil. mamartins@hcrp.usp.brNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

22030815

Citation

Auxiliadora Martins, Maria, et al. "Energy Expenditure in Critically Ill Surgical Patients. Comparative Analysis of Predictive Equation and Indirect Calorimetry." Acta Cirurgica Brasileira, vol. 26 Suppl 2, 2011, pp. 51-6.
Auxiliadora Martins M, Menegueti MG, Nicolini EA, et al. Energy expenditure in critically ill surgical patients. Comparative analysis of predictive equation and indirect calorimetry. Acta Cir Bras. 2011;26 Suppl 2:51-6.
Auxiliadora Martins, M., Menegueti, M. G., Nicolini, E. A., Picolo, M. F., Lago, A. F., Martins Filho, O. A., & Basile Filho, A. (2011). Energy expenditure in critically ill surgical patients. Comparative analysis of predictive equation and indirect calorimetry. Acta Cirurgica Brasileira, 26 Suppl 2, 51-6.
Auxiliadora Martins M, et al. Energy Expenditure in Critically Ill Surgical Patients. Comparative Analysis of Predictive Equation and Indirect Calorimetry. Acta Cir Bras. 2011;26 Suppl 2:51-6. PubMed PMID: 22030815.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Energy expenditure in critically ill surgical patients. Comparative analysis of predictive equation and indirect calorimetry. AU - Auxiliadora Martins,Maria, AU - Menegueti,Mayra Gonçalves, AU - Nicolini,Edson Antônio, AU - Picolo,Michele Ferreira, AU - Lago,Alessandra Fabiane, AU - Martins Filho,Olindo Assis, AU - Basile Filho,Anibal, PY - 2011/10/28/entrez PY - 2011/11/2/pubmed PY - 2012/6/20/medline SP - 51 EP - 6 JF - Acta cirurgica brasileira JO - Acta Cir Bras VL - 26 Suppl 2 N2 - PURPOSE: The aim of this investigation was to compare the resting energy expenditure (REE) calculated by the Harris-Benedict equation (REE HB) with the REE measured by indirect calorimetry (REE IC) in critically ill surgical patients under mechanical ventilation. METHODS: Thirty patients were included in this work. REE was calculated by the Harris-Benedict equation (REE HB) using real body weight, and it was also measured by indirect calorimetry (REE IC), which was performed for 30 minutes. RESULTS: REE HB had significant (p < 0.0005) but low correlation (Spearman r = 0.57) with REE IC, with a mean bias of 12 kcal.d-1 and limits of agreement ranging from - 599.7 to 623.7 kcal.d-1 as detected by the Bland-Altman analysis. CONCLUSION: These findings suggest that REE IC seems to be more appropriate than REE HB for accurate measurement of REE in critically ill surgical patients under mechanical ventilation. SN - 1678-2674 UR - https://www.unboundmedicine.com/medline/citation/22030815/Energy_expenditure_in_critically_ill_surgical_patients__Comparative_analysis_of_predictive_equation_and_indirect_calorimetry_ L2 - http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0102-86502011000800010&amp;lng=en&amp;nrm=iso&amp;tlng=en DB - PRIME DP - Unbound Medicine ER -