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American Journal of Clinical Nutrition, Vol 40, 1001-1006, Copyright © 1984 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Excretion of urinary catecholamine metabolites in anorexia nervosa: effect of body composition and energy intake

JL Johnston, LA Leiter, GN Burrow, PE Garfinkel and GH Anderson

Metabolites of norepinephrine and dopamine were measured in urine from 12 women of normal body weight and from six women undergoing treatment for anorexia nervosa. The women with anorexia nervosa had 48% less body fat (14 +/- 1 versus 27 +/- 1%, p less than 0.001), 9% less fat-free mass (36 +/- 1 versus 40 +/- 1 kg, p = 0.05), and 26% higher energy intake (2217 +/- 147 versus 1750 +/- 43 kcal, p less than 0.01) on collection days compared to the normal weight women. Twenty-four-hour excretions of norepinephrine metabolites, 3-methoxy-4- hydroxyphenylethylglycol, 3,4-dihydroxyphenylethylglycol, and vanilmandelic acid were reduced (p less than 0.01) in anorexia nervosa by 44, 48, and 39%, respectively. Excretion of homovanillic acid, the dopamine metabolite, was the same for both groups. Urinary 3-methoxy-4- hydroxyphenylethylglycol content was best predicted by percentage body fat in the normals (r = 0.63, p less than 0.05) and for both groups combined (r = 0.79, p less than 0.001). Urinary vanilmandelic acid showed a strong relationship with fat-free mass in the normal group (r = 0.84, p less than 0.001) and for both groups combined (r = 0.79, p less than 0.001). In contrast, urinary 3-methoxy-4- hydroxyphenylethylglycol and vanilmandelic acid and energy intakes were only weekly associated in the normals, but unrelated in the anorexics, or when the data from both groups were combined.(ABSTRACT TRUNCATED AT 250 WORDS)


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V. Van Wymelbeke, L. Brondel, J. Marcel Brun, and D. Rigaud
Factors associated with the increase in resting energy expenditure during refeeding in malnourished anorexia nervosa patients
Am. J. Clinical Nutrition, December 1, 2004; 80(6): 1469 - 1477.
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