Body composition in cachexia resulting from malignant and non-malignant diseases

Body composition in cachexia resulting from malignant and non-malignant diseases

Watson WS; Sammon AM

Cancer

1980

Female; Humans; Male; Adult; Aged; Middle Aged; adolescent; Body Weight; Neoplasms/complications; Blood Volume; Body Composition; Body Water/analysis; Cachexia/etiology/metabolism; Erythrocyte Volume; Inflammation/complications; Potassium/analysis; Skinfold Thickness

The body composition of 23 patients with cachexia resulting from malignant or benign inflammatory disease was studied. Skinfold thickness and radioisotope tracer measurements enabled us to estimate total body fat, lean body mass, the ratio of fat loss to lean body loss, erythrocyte and plasma volumes, total body water, extra-, and intracellular water volumes, total body potassium, and intracellular potassium concentration. The total body fat and lean body mass information suggests that the body composition in cancerous cachexia differs from that in cachexia caused by benign inflammatory disease, in that lean tissue appears to be better conserved in the former. The radioactive tracer studies showed that the cachectic patients were anemic, potassium-deficient, and overhydrated; however, fluid partitioning into extra- and intracellular compartments was normal.

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