Prevalence of an elevated resting energy expenditure in patients with chronic obstructive pulmonary disease in relation to body composition and lung function

Article Abstract:

Patients with chronic obstructive pulmonary disease (COPD) commonly suffer from hypermetabolism. This was found in a study of the prevalence and characteristics of an elevated resting energy expenditure in COPD patients, using patients in an in-patient pulmonary rehabilitation center. Based on adjustment for fat-free mass (FFM), 26% of 172 clinically stable patients with COPD were hypermetabolic, characterized by lower age and lower total lung capacity. When body composition is not factored in, results of Harris & Benedict prediction equations showed that 54% of the patients were hypermetabolic, characterized by a higher age, and a lower body mass and FFM.

Lung diseases, Obstructive, Chronic obstructive lung disease, Metabolism

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A comparison of four methods of estimating body composition of male endurance athletes

Article Abstract:

Methods of estimating male endurance athlete's body composition were compared. Included among the methods examined were underwater weighing, total body weight and total body potassium which operate on the principle that the body can be divided into two compartments, namely: fat-mass and fat free mass. A newer technology, dual energy x-ray absorptiometry, on the other hand, measures bone mineral content. Results reveal that DEXA-derived mean were greater than those of the other three methods. Analysis of the results were performed and limitations were discussed.

Bones, Body weight, Adipose tissues, Adipose tissue, Athletes, Radionuclide imaging

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The influence of a breakfast meal on the assessment of body composition using bioelectrical impedance

Article Abstract:

The effect of breakfast meals on the analysis of body composition using bioelectrical impedance was investigated. Young, healthy subjects participated in a university-based study designed to determine whether an actual meal influences bioelectrical impedance differently compared to a liquid meal. Results showed that bioelectrical impedance decreased significantly from the fasting value two hours after consumption of a breakfast meal. This decrease was found to be independent of the fat content of the breakfast meal.

Health aspects, Usage, Impedance, Bioelectric, Bioelectric impedance, Breakfast foods

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