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Abnormal caloric requirements for weight maintenance in patients with anorexia and bulimia nervosa.
Am J Psychiatry 1991; 148(12):1675-82AJ

Abstract

OBJECTIVE

This study tested previous findings that patients with eating disorders who attain normal weight have abnormal caloric requirements for maintaining weight.

METHOD

Fifty-three female patients meeting the DSM-III-R criteria for anorexia nervosa and/or bulimia nervosa were divided into four subgroups, and their daily caloric intake was measured over a weight-stable period. Patients with anorexia nervosa (restricting and bulimic subtypes) were studied 4 weeks after refeeding and weight gain, when they had attained 95% of average body weight. Patients with normal-weight bulimia (previously anorexic or never previously anorexic) were studied 1-4 weeks after admission to an inpatient unit.

RESULTS

After weight restoration, restricting anorexic patients required significantly more calories per day to maintain weight than did bulimic anorexic patients, as measured with corrections for weight, body surface area, and fat-free mass. Previously anorexic normal-weight bulimic patients required significantly more calories per day to maintain weight than never-anorexic normal-weight bulimic patients, as measured with correction for weight but not with the other factors used to correct caloric intake.

CONCLUSIONS

To maintain stable weight after weight restoration, restricting anorexic patients require a significantly higher caloric intake than do bulimic anorexic patients. Differences in caloric needs between normal-weight bulimic patients with and without histories of anorexia may depend on the methods used to correct caloric requirements. Body surface area may be the most precise correction factor across different subgroups of eating disorder patients. Elevated caloric requirements, when coupled with reduced food intake, may particularly contribute to relapse in anorexic patients.

Authors+Show Affiliations

Department of Psychiatry, University of Pittsburgh School of Medicine, PA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

1957930

Citation

Weltzin, T E., et al. "Abnormal Caloric Requirements for Weight Maintenance in Patients With Anorexia and Bulimia Nervosa." The American Journal of Psychiatry, vol. 148, no. 12, 1991, pp. 1675-82.
Weltzin TE, Fernstrom MH, Hansen D, et al. Abnormal caloric requirements for weight maintenance in patients with anorexia and bulimia nervosa. Am J Psychiatry. 1991;148(12):1675-82.
Weltzin, T. E., Fernstrom, M. H., Hansen, D., McConaha, C., & Kaye, W. H. (1991). Abnormal caloric requirements for weight maintenance in patients with anorexia and bulimia nervosa. The American Journal of Psychiatry, 148(12), pp. 1675-82.
Weltzin TE, et al. Abnormal Caloric Requirements for Weight Maintenance in Patients With Anorexia and Bulimia Nervosa. Am J Psychiatry. 1991;148(12):1675-82. PubMed PMID: 1957930.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Abnormal caloric requirements for weight maintenance in patients with anorexia and bulimia nervosa. AU - Weltzin,T E, AU - Fernstrom,M H, AU - Hansen,D, AU - McConaha,C, AU - Kaye,W H, PY - 1991/12/1/pubmed PY - 1991/12/1/medline PY - 1991/12/1/entrez SP - 1675 EP - 82 JF - The American journal of psychiatry JO - Am J Psychiatry VL - 148 IS - 12 N2 - OBJECTIVE: This study tested previous findings that patients with eating disorders who attain normal weight have abnormal caloric requirements for maintaining weight. METHOD: Fifty-three female patients meeting the DSM-III-R criteria for anorexia nervosa and/or bulimia nervosa were divided into four subgroups, and their daily caloric intake was measured over a weight-stable period. Patients with anorexia nervosa (restricting and bulimic subtypes) were studied 4 weeks after refeeding and weight gain, when they had attained 95% of average body weight. Patients with normal-weight bulimia (previously anorexic or never previously anorexic) were studied 1-4 weeks after admission to an inpatient unit. RESULTS: After weight restoration, restricting anorexic patients required significantly more calories per day to maintain weight than did bulimic anorexic patients, as measured with corrections for weight, body surface area, and fat-free mass. Previously anorexic normal-weight bulimic patients required significantly more calories per day to maintain weight than never-anorexic normal-weight bulimic patients, as measured with correction for weight but not with the other factors used to correct caloric intake. CONCLUSIONS: To maintain stable weight after weight restoration, restricting anorexic patients require a significantly higher caloric intake than do bulimic anorexic patients. Differences in caloric needs between normal-weight bulimic patients with and without histories of anorexia may depend on the methods used to correct caloric requirements. Body surface area may be the most precise correction factor across different subgroups of eating disorder patients. Elevated caloric requirements, when coupled with reduced food intake, may particularly contribute to relapse in anorexic patients. SN - 0002-953X UR - https://www.unboundmedicine.com/medline/citation/1957930/Abnormal_caloric_requirements_for_weight_maintenance_in_patients_with_anorexia_and_bulimia_nervosa_ L2 - https://ajp.psychiatryonline.org/doi/full/10.1176/ajp.148.12.1675?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -