重症外科患者的能量消耗。预测方程与间接测热法的比较分析。
Energy expenditure in critically ill surgical patients. Comparative analysis of predictive equation and indirect calorimetry.
作者信息
Auxiliadora Martins Maria, Menegueti Mayra Gonçalves, Nicolini Edson Antônio, Picolo Michele Ferreira, Lago Alessandra Fabiane, Martins Filho Olindo Assis, Basile Filho Anibal
机构信息
Department of Surgery and Anatomy, FMRP, USP, Ribeirao Preto, SP, Brazil.
出版信息
Acta Cir Bras. 2011;26 Suppl 2:51-6. doi: 10.1590/s0102-86502011000800010.
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.
目的
本研究旨在比较哈里斯-本尼迪克特方程（REE HB）计算出的静息能量消耗与间接测热法测量的机械通气重症外科患者的静息能量消耗（REE IC）。
方法
本研究纳入30例患者。使用实际体重通过哈里斯-本尼迪克特方程计算REE（REE HB），并通过间接测热法测量REE（REE IC），测量时间为30分钟。
结果
REE HB与REE IC具有显著相关性（p < 0.0005），但相关性较低（斯皮尔曼r = 0.57），平均偏差为12千卡·天⁻¹，通过布兰德-奥特曼分析检测到的一致性界限为-599.7至623.7千卡·天⁻¹。
结论
这些发现表明，对于机械通气的重症外科患者，REE IC似乎比REE HB更适合准确测量REE。
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