The prediction of resting energy expenditure in type 2 diabetes mellitus is improved by factoring for glycemia

被引:48
|
作者
Gougeon, R [1 ]
Lamarche, M [1 ]
Yale, JF [1 ]
Venuta, T [1 ]
机构
[1] Royal Victoria Hosp, McGill Nutr & Food Sci Ctr, Montreal, PQ H3A 1A1, Canada
关键词
resting metabolic rate; type 2 diabetes mellitus; resting energy expenditure; predictive equations; hemoglobin A(1c); obesity; fat mass;
D O I
10.1038/sj.ijo.0802178
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
BACKGROUND: Predictive equations have been reported to overestimate resting energy expenditure (REE) for obese persons. The presence of hyperglycemia results in elevated REE in obese persons with type 2 diabetes, and its effect on the validity of these equations is unknown. OBJECTIVE: We tested whether (1) indicators of diabetes control were independent associates of REE in type 2 diabetes and (2) their inclusion would improve predictive equations. DESIGN: A cross-sectional study of 65 (25 men, 40 women) obese type 2 diabetic subjects. Variables measured were: REE by ventilated-hood indirect calorimetry, body composition by bioimpedance analysis, body circumferences, fasting plasma glucose (FPG) and hemoglobin A(1c). Data were analyzed using stepwise multiple linear regression. RESULTS: REE, corrected for weight, fat-free mass, age and gender, was significantly greater with FPG > 10 mmol/l (P = 0.017) and correlated with FPG (P = 0.013) and hemoglobin A(1c) as percentage upper limit of normal (P = 0.02). Weight was the main determinant of REE. Together with hip circumference and FPG, it explained 81% of the variation. FPG improved the predictability of the equation by > 3%. With poor glycemic control, it can represent an increase in REE of up to 8%. CONCLUSION: Our data indicate that in a population of obese subjects with type 2 diabetes mellitus, REE is better predicted when fasting plasma glucose is included as a variable.
引用
收藏
页码:1547 / 1552
页数:6
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