Resting energy expenditure and body composition in patients with newly detected cancer. 2010

Dong-xing Cao, and Guo-hao Wu, and Bo Zhang, and Ying-jun Quan, and Jia Wei, and Huan Jin, and Yi Jiang, and Zi-ang Yang
Department of General Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China.

OBJECTIVE Elevated resting energy expenditure (REE) may be a major determinant in the development of cancer cachexia. The aim of the study was to evaluate REE and body composition in cancer patients and find out the relationship between energy expenditure and substrate utilization. METHODS Measured resting energy expenditure (mREE), carbohydrate oxidation (C-O), and fat oxidation (F-O) were measured by indirect calorimetry in 714 cancer patients and 642 controls. Extracellular fluid (ECF), intracellular fluid (ICF), and total water (TW) were measured by bioelectrical impedance appliance; fat mass (FM), fat free mass (FFM), and body cell mass (BCM) were further determined. RESULTS Compared with the controls, cancer patients showed no significant difference in mREE, but had higher mREE/FFM and mREE/pREE. 46.7% (n=333) of cancer patients were hypermetabolic, 43.5% (n=310) normometabolic, and 9.8% (n=71) hypometabolic; whereas 25.2% (n=162) of control subjects were hypermetabolic, 56.5% (n=363) normometabolic, and 18.3% (n=117) hypometabolic. Cancer patients showed an increase in F-O, ECF, TW/BW and ECF/BW; and a decrease in C-O, npRQ, ICF, ICF/BW. REE was correlated to substrate oxidation rate. Cancer patients exhibited an elevation in FM, FM/BW, FFM, and BCM, and a decrease in FFM/BW. CONCLUSIONS 1. Cancer patients had elevated REE. Cancer type, pathological stage and duration of disease influenced REE. 2. Aberrations in substrate utilization may contribute to the elevated REE in cancer patients. 3. FM, FFM, and BCM diminished in cancer patients, which may be related to the elevated REE.

UI MeSH Term Description Entries
D007424 Intracellular Fluid The fluid inside CELLS. Fluid, Intracellular,Fluids, Intracellular,Intracellular Fluids
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009369 Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. Benign Neoplasm,Cancer,Malignant Neoplasm,Tumor,Tumors,Benign Neoplasms,Malignancy,Malignant Neoplasms,Neoplasia,Neoplasm,Neoplasms, Benign,Cancers,Malignancies,Neoplasias,Neoplasm, Benign,Neoplasm, Malignant,Neoplasms, Malignant
D010190 Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA). Cancer of Pancreas,Pancreatic Cancer,Cancer of the Pancreas,Neoplasms, Pancreatic,Pancreas Cancer,Pancreas Neoplasms,Pancreatic Acinar Carcinoma,Pancreatic Carcinoma,Acinar Carcinoma, Pancreatic,Acinar Carcinomas, Pancreatic,Cancer, Pancreas,Cancer, Pancreatic,Cancers, Pancreas,Cancers, Pancreatic,Carcinoma, Pancreatic,Carcinoma, Pancreatic Acinar,Carcinomas, Pancreatic,Carcinomas, Pancreatic Acinar,Neoplasm, Pancreas,Neoplasm, Pancreatic,Neoplasms, Pancreas,Pancreas Cancers,Pancreas Neoplasm,Pancreatic Acinar Carcinomas,Pancreatic Cancers,Pancreatic Carcinomas,Pancreatic Neoplasm
D001823 Body Composition The relative amounts of various components in the body, such as percentage of body fat. Body Compositions,Composition, Body,Compositions, Body
D002153 Calorimetry, Indirect Calculation of the energy expenditure in the form of heat production of the whole body or individual organs based on respiratory gas exchange. Calorimetry, Respiration,Calorimetries, Indirect,Calorimetries, Respiration,Indirect Calorimetries,Indirect Calorimetry,Respiration Calorimetries,Respiration Calorimetry
D002289 Carcinoma, Non-Small-Cell Lung A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy. Carcinoma, Non-Small Cell Lung,Non-Small Cell Lung Cancer,Non-Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinoma,Nonsmall Cell Lung Cancer,Carcinoma, Non Small Cell Lung,Carcinomas, Non-Small-Cell Lung,Lung Carcinoma, Non-Small-Cell,Lung Carcinomas, Non-Small-Cell,Non Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinomas
D004040 Dietary Carbohydrates Carbohydrates present in food comprising digestible sugars and starches and indigestible cellulose and other dietary fibers. The former are the major source of energy. The sugars are in beet and cane sugar, fruits, honey, sweet corn, corn syrup, milk and milk products, etc.; the starches are in cereal grains, legumes (FABACEAE), tubers, etc. (From Claudio & Lagua, Nutrition and Diet Therapy Dictionary, 3d ed, p32, p277) Carbohydrates, Dietary,Carbohydrate, Dietary,Dietary Carbohydrate
D004041 Dietary Fats Fats present in food, especially in animal products such as meat, meat products, butter, ghee. They are present in lower amounts in nuts, seeds, and avocados. Fats, Dietary,Dietary Fat,Fat, Dietary

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